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    <link:label id="lab_bsac_PersonalGuaranteesInForeignCurrency_documentation_en-US" xlink:label="lab_bsac_PersonalGuaranteesInForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Personal guarantees in foreign currency.</link:label>
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    <link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial liabilities [axis]</link:label>
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    <link:label id="lab_bsac_FinancialDerivativeContractsDomainDomain_label_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsDomainDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">FinancialDerivativeContractsDomain [Domain]</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsDomainDomain_documentation_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsDomainDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">FinancialDerivativeContractsDomain [Domain]</link:label>
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    <link:label id="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAndAmortisationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated depreciation and amortisation [member]</link:label>
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    <link:label id="lab_bsac_ForeignDebtFinancialInstrumentsMember_label_en-US" xlink:label="lab_bsac_ForeignDebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Debt Financial Instruments [Member]</link:label>
    <link:label id="lab_bsac_ForeignDebtFinancialInstrumentsMember_documentation_en-US" xlink:label="lab_bsac_ForeignDebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Debt Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ForeignDebtFinancialInstrumentsMember" xlink:href="bsac-20251231.xsd#bsac_ForeignDebtFinancialInstrumentsMember"/>
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    <link:label id="lab_bsac_FinancialAssetsDerivativesContractsCategoryMember_e2677394-5e6b-4ea0-82ef-770bb39801df_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsDerivativesContractsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial derivative contracts</link:label>
    <link:label id="lab_bsac_FinancialAssetsDerivativesContractsCategoryMember_label_en-US" xlink:label="lab_bsac_FinancialAssetsDerivativesContractsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets Derivatives Contracts Category [Member]</link:label>
    <link:label id="lab_bsac_FinancialAssetsDerivativesContractsCategoryMember_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsDerivativesContractsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Assets Derivatives Contracts Category</link:label>
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    <link:label id="lab_ifrs-full_OtherOperatingIncomeExpense_79fc8fb3-d0fd-4419-9190-94313aed0adc_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherOperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other operating income</link:label>
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    <link:label id="lab_ifrs-full_OtherOperatingIncomeExpense_58f9e62f-b825-4a87-a96e-7cb26d9237e8_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherOperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other operating income and expenses</link:label>
    <link:label id="lab_ifrs-full_OtherOperatingIncomeExpense_label_en-US" xlink:label="lab_ifrs-full_OtherOperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other operating income (expense)</link:label>
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    <link:label id="lab_bsac_LegalAndNotaryExpenses_897ef41d-a753-45b8-bde7-13a80121dfcf_negatedTerseLabel_en-US" xlink:label="lab_bsac_LegalAndNotaryExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Judicial and notarial expenses</link:label>
    <link:label id="lab_bsac_LegalAndNotaryExpenses_label_en-US" xlink:label="lab_bsac_LegalAndNotaryExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal And Notary Expenses</link:label>
    <link:label id="lab_bsac_LegalAndNotaryExpenses_documentation_en-US" xlink:label="lab_bsac_LegalAndNotaryExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Legal and notary expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LegalAndNotaryExpenses" xlink:href="bsac-20251231.xsd#bsac_LegalAndNotaryExpenses"/>
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    <link:label id="lab_bsac_OtherIncomeFromAssetsReceivedOfPayment_100881e6-c5fa-423e-88e4-8d0c24bf0ec8_terseLabel_en-US" xlink:label="lab_bsac_OtherIncomeFromAssetsReceivedOfPayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other income from assets received in lieu of payment</link:label>
    <link:label id="lab_bsac_OtherIncomeFromAssetsReceivedOfPayment_label_en-US" xlink:label="lab_bsac_OtherIncomeFromAssetsReceivedOfPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Income From Assets Received Of Payment</link:label>
    <link:label id="lab_bsac_OtherIncomeFromAssetsReceivedOfPayment_documentation_en-US" xlink:label="lab_bsac_OtherIncomeFromAssetsReceivedOfPayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other income from assets received in lieu of payment.</link:label>
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    <link:label id="lab_ifrs-full_InsuranceContractsIssuedThatAreAssets_db490d53-5034-4a53-b37c-48890d1d8ccb_terseLabel_en-US" xlink:label="lab_ifrs-full_InsuranceContractsIssuedThatAreAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exposure to currency risk</link:label>
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    <link:label id="lab_bsac_ScheduleOfAnalysisOfChangesCorrespondingECLAllowanceTableTextBlock_34e02360-8583-4a7d-975d-7b7693071929_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAnalysisOfChangesCorrespondingECLAllowanceTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Provisions for Contingent Loan Risk</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAnalysisOfChangesCorrespondingECLAllowanceTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAnalysisOfChangesCorrespondingECLAllowanceTableTextBlock"/>
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    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets_85c6a11f-4180-4d5a-a01a-93b2993b8adb_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in measurement of financial assets</link:label>
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    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through transfers, financial assets</link:label>
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    <link:label id="lab_bsac_DiscountsAppliedToT2_ec38bc54-141b-430e-bdbd-166e6ba9d050_terseLabel_en-US" xlink:label="lab_bsac_DiscountsAppliedToT2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discounts applied to T2</link:label>
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    <link:label id="lab_bsac_OtherDerivativeFinancialLiability_afc8f386-9540-4b28-aed3-52b1ce902ed4_terseLabel_en-US" xlink:label="lab_bsac_OtherDerivativeFinancialLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liability</link:label>
    <link:label id="lab_bsac_OtherDerivativeFinancialLiability_label_en-US" xlink:label="lab_bsac_OtherDerivativeFinancialLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Derivative Financial Liability</link:label>
    <link:label id="lab_bsac_OtherDerivativeFinancialLiability_documentation_en-US" xlink:label="lab_bsac_OtherDerivativeFinancialLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Liability derivative financial instruments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherDerivativeFinancialLiability" xlink:href="bsac-20251231.xsd#bsac_OtherDerivativeFinancialLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherDerivativeFinancialLiability" xlink:to="lab_bsac_OtherDerivativeFinancialLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_KlareCorredoraDeSegurosSAMember_d535dd64-52a4-4699-b10e-fa80af3862d7_terseLabel_en-US" xlink:label="lab_bsac_KlareCorredoraDeSegurosSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Klare Corredora de Seguros S.A.</link:label>
    <link:label id="lab_bsac_KlareCorredoraDeSegurosSAMember_label_en-US" xlink:label="lab_bsac_KlareCorredoraDeSegurosSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Klare Corredora De Seguros SA [Member]</link:label>
    <link:label id="lab_bsac_KlareCorredoraDeSegurosSAMember_documentation_en-US" xlink:label="lab_bsac_KlareCorredoraDeSegurosSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Klare Corredora De Seguros SA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_KlareCorredoraDeSegurosSAMember" xlink:href="bsac-20251231.xsd#bsac_KlareCorredoraDeSegurosSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_KlareCorredoraDeSegurosSAMember" xlink:to="lab_bsac_KlareCorredoraDeSegurosSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_TradingSymbol_237375c8-f3e7-4db6-b96e-03e732eeca43_terseLabel_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trading Symbol</link:label>
    <link:label id="lab_dei_TradingSymbol_label_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Symbol</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_TradingSymbol"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_TradingSymbol" xlink:to="lab_dei_TradingSymbol" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesAxis_f810ed77-838c-4576-87e2-5f4efee91e9b_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected Credit Losses [Axis]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAxis_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses [Axis]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAxis_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Credit Losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesAxis" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesAxis" xlink:to="lab_bsac_ExpectedCreditLossesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember_e9a27dbc-90cd-4a5c-98c4-6d629e53e6d8_verboseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IndustrySectorDomainDomain_9ceba58a-9153-4004-95df-b07b577fa301_terseLabel_en-US" xlink:label="lab_bsac_IndustrySectorDomainDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">IndustrySectorDomain [Domain]</link:label>
    <link:label id="lab_bsac_IndustrySectorDomainDomain_label_en-US" xlink:label="lab_bsac_IndustrySectorDomainDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IndustrySectorDomain [Domain]</link:label>
    <link:label id="lab_bsac_IndustrySectorDomainDomain_documentation_en-US" xlink:label="lab_bsac_IndustrySectorDomainDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">IndustrySectorDomain [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IndustrySectorDomainDomain" xlink:href="bsac-20251231.xsd#bsac_IndustrySectorDomainDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IndustrySectorDomainDomain" xlink:to="lab_bsac_IndustrySectorDomainDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesStage1Member_757f2844-13ab-4a41-b10e-b4933cc22257_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesStage1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stage 1</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesStage1Member_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesStage1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Stage1 [Member]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesStage1Member_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesStage1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Stage1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesStage1Member" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesStage1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesStage1Member" xlink:to="lab_bsac_ExpectedCreditLossesStage1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherBanksTransactionsMember_019b9f16-ec6d-7049-bd86-4275c8fc78d2_terseLabel_en-US" xlink:label="lab_bsac_OtherBanksTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other banks transactions</link:label>
    <link:label id="lab_bsac_OtherBanksTransactionsMember_label_en-US" xlink:label="lab_bsac_OtherBanksTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other banks transactions [Member]</link:label>
    <link:label id="lab_bsac_OtherBanksTransactionsMember_documentation_en-US" xlink:label="lab_bsac_OtherBanksTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other banks transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherBanksTransactionsMember" xlink:href="bsac-20251231.xsd#bsac_OtherBanksTransactionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherBanksTransactionsMember" xlink:to="lab_bsac_OtherBanksTransactionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsAwardedAtJudicialSale_bdeb1386-9916-486c-99c1-7fb181d49e31_terseLabel_en-US" xlink:label="lab_bsac_AssetsAwardedAtJudicialSale" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets awarded at judicial sale</link:label>
    <link:label id="lab_bsac_AssetsAwardedAtJudicialSale_label_en-US" xlink:label="lab_bsac_AssetsAwardedAtJudicialSale" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Awarded At Judicial Sale</link:label>
    <link:label id="lab_bsac_AssetsAwardedAtJudicialSale_documentation_en-US" xlink:label="lab_bsac_AssetsAwardedAtJudicialSale" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of assets received at judicial sale.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsAwardedAtJudicialSale" xlink:href="bsac-20251231.xsd#bsac_AssetsAwardedAtJudicialSale"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsAwardedAtJudicialSale" xlink:to="lab_bsac_AssetsAwardedAtJudicialSale" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransactionsRelatedToContingentEvents_dee32a3b-fdfb-47d2-86d5-75c967454d60_totalLabel_en-US" xlink:label="lab_bsac_TransactionsRelatedToContingentEvents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Transactions related to contingent events</link:label>
    <link:label id="lab_bsac_TransactionsRelatedToContingentEvents_label_en-US" xlink:label="lab_bsac_TransactionsRelatedToContingentEvents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transactions Related To Contingent Events</link:label>
    <link:label id="lab_bsac_TransactionsRelatedToContingentEvents_documentation_en-US" xlink:label="lab_bsac_TransactionsRelatedToContingentEvents" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transactions related to contingent events.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransactionsRelatedToContingentEvents" xlink:href="bsac-20251231.xsd#bsac_TransactionsRelatedToContingentEvents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransactionsRelatedToContingentEvents" xlink:to="lab_bsac_TransactionsRelatedToContingentEvents" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CashItemsInProcessOfCollectionMember_9319a343-b021-4a5e-a6bc-6e3a86f68dde_terseLabel_en-US" xlink:label="lab_bsac_CashItemsInProcessOfCollectionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash items in process of collection</link:label>
    <link:label id="lab_bsac_CashItemsInProcessOfCollectionMember_label_en-US" xlink:label="lab_bsac_CashItemsInProcessOfCollectionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Items In Process Of Collection [Member]</link:label>
    <link:label id="lab_bsac_CashItemsInProcessOfCollectionMember_documentation_en-US" xlink:label="lab_bsac_CashItemsInProcessOfCollectionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash Items In Process Of Collection</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CashItemsInProcessOfCollectionMember" xlink:href="bsac-20251231.xsd#bsac_CashItemsInProcessOfCollectionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CashItemsInProcessOfCollectionMember" xlink:to="lab_bsac_CashItemsInProcessOfCollectionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain_df68138c-a594-488c-994a-2995969649ce_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of intangible assets other than goodwill [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of intangible assets other than goodwill [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:to="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CurrentPortionSubtotal_53cf9355-0505-4260-a4d6-59933af5b62a_totalLabel_en-US" xlink:label="lab_bsac_CurrentPortionSubtotal" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Current portion subtotal</link:label>
    <link:label id="lab_bsac_CurrentPortionSubtotal_label_en-US" xlink:label="lab_bsac_CurrentPortionSubtotal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Portion Subtotal</link:label>
    <link:label id="lab_bsac_CurrentPortionSubtotal_documentation_en-US" xlink:label="lab_bsac_CurrentPortionSubtotal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current portion subtotal.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CurrentPortionSubtotal" xlink:href="bsac-20251231.xsd#bsac_CurrentPortionSubtotal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CurrentPortionSubtotal" xlink:to="lab_bsac_CurrentPortionSubtotal" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfOtherOperatingExpensesTableTextBlock_fd6aa996-c3f2-493e-95e3-23018e3dd8f4_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfOtherOperatingExpensesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other Operating Expenses</link:label>
    <link:label id="lab_bsac_DisclosureOfOtherOperatingExpensesTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfOtherOperatingExpensesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Other Operating Expenses [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfOtherOperatingExpensesTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfOtherOperatingExpensesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of other operating expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfOtherOperatingExpensesTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfOtherOperatingExpensesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfOtherOperatingExpensesTableTextBlock" xlink:to="lab_bsac_DisclosureOfOtherOperatingExpensesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GraduallyImplementedPercentage_50b79d52-626a-4b90-bc07-567a2f6797d9_terseLabel_en-US" xlink:label="lab_bsac_GraduallyImplementedPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gradually implemented percentage</link:label>
    <link:label id="lab_bsac_GraduallyImplementedPercentage_label_en-US" xlink:label="lab_bsac_GraduallyImplementedPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gradually Implemented Percentage</link:label>
    <link:label id="lab_bsac_GraduallyImplementedPercentage_documentation_en-US" xlink:label="lab_bsac_GraduallyImplementedPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gradually implemented percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GraduallyImplementedPercentage" xlink:href="bsac-20251231.xsd#bsac_GraduallyImplementedPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GraduallyImplementedPercentage" xlink:to="lab_bsac_GraduallyImplementedPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeFromSaleOfFixedAssets_8f650c55-02e6-496f-a5bb-53b99ac42a2b_terseLabel_en-US" xlink:label="lab_bsac_NetIncomeFromSaleOfFixedAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income from sale of fixed assets</link:label>
    <link:label id="lab_bsac_NetIncomeFromSaleOfFixedAssets_label_en-US" xlink:label="lab_bsac_NetIncomeFromSaleOfFixedAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income From Sale Of Fixed Assets</link:label>
    <link:label id="lab_bsac_NetIncomeFromSaleOfFixedAssets_documentation_en-US" xlink:label="lab_bsac_NetIncomeFromSaleOfFixedAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net income from sale of fixed assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeFromSaleOfFixedAssets" xlink:href="bsac-20251231.xsd#bsac_NetIncomeFromSaleOfFixedAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomeFromSaleOfFixedAssets" xlink:to="lab_bsac_NetIncomeFromSaleOfFixedAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain_01b47174-b8fe-406c-ab42-4e4f66c5f0d5_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities [domain]</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:to="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ForwardsMember_bb050c7b-eb85-41a7-af84-4daf7ebae39f_terseLabel_en-US" xlink:label="lab_bsac_ForwardsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forwards</link:label>
    <link:label id="lab_bsac_ForwardsMember_label_en-US" xlink:label="lab_bsac_ForwardsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forwards [Member]</link:label>
    <link:label id="lab_bsac_ForwardsMember_documentation_en-US" xlink:label="lab_bsac_ForwardsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forwards</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ForwardsMember" xlink:href="bsac-20251231.xsd#bsac_ForwardsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ForwardsMember" xlink:to="lab_bsac_ForwardsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToTheStandardMethodologyRAW_be22689e-ac90-4c4f-9dee-5c49a11c157c_terseLabel_en-US" xlink:label="lab_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToTheStandardMethodologyRAW" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets weighted for credit risk, estimated according to the standard methodology (RAW)</link:label>
    <link:label id="lab_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToTheStandardMethodologyRAW_label_en-US" xlink:label="lab_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToTheStandardMethodologyRAW" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Weighted For Credit Risk Estimated According To The Standard Methodology RAW</link:label>
    <link:label id="lab_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToTheStandardMethodologyRAW_documentation_en-US" xlink:label="lab_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToTheStandardMethodologyRAW" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of assets weighted for credit risk, estimated according to the standard methodology (RAW).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToTheStandardMethodologyRAW" xlink:href="bsac-20251231.xsd#bsac_AssetsWeightedForCreditRiskEstimatedAccordingToTheStandardMethodologyRAW"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToTheStandardMethodologyRAW" xlink:to="lab_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToTheStandardMethodologyRAW" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterestIncomeAndInflationIndexationAdjustments_74fe1154-6d06-4b80-a62d-f6d541dbcc5c_terseLabel_en-US" xlink:label="lab_bsac_InterestIncomeAndInflationIndexationAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest income and inflation-indexation adjustments</link:label>
    <link:label id="lab_bsac_InterestIncomeAndInflationIndexationAdjustments_label_en-US" xlink:label="lab_bsac_InterestIncomeAndInflationIndexationAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Income And Inflation Indexation Adjustments</link:label>
    <link:label id="lab_bsac_InterestIncomeAndInflationIndexationAdjustments_documentation_en-US" xlink:label="lab_bsac_InterestIncomeAndInflationIndexationAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about interest income and inflation indexation adjustments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterestIncomeAndInflationIndexationAdjustments" xlink:href="bsac-20251231.xsd#bsac_InterestIncomeAndInflationIndexationAdjustments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterestIncomeAndInflationIndexationAdjustments" xlink:to="lab_bsac_InterestIncomeAndInflationIndexationAdjustments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommercialLoansWithCollateralMember_97f9cf2a-60b2-413d-be0b-149245a220bf_terseLabel_en-US" xlink:label="lab_bsac_CommercialLoansWithCollateralMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial loans with collateral</link:label>
    <link:label id="lab_bsac_CommercialLoansWithCollateralMember_label_en-US" xlink:label="lab_bsac_CommercialLoansWithCollateralMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial Loans With Collateral [Member]</link:label>
    <link:label id="lab_bsac_CommercialLoansWithCollateralMember_documentation_en-US" xlink:label="lab_bsac_CommercialLoansWithCollateralMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercial Loans With Collateral</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommercialLoansWithCollateralMember" xlink:href="bsac-20251231.xsd#bsac_CommercialLoansWithCollateralMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommercialLoansWithCollateralMember" xlink:to="lab_bsac_CommercialLoansWithCollateralMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_JPYMember_d3d616ed-463d-44c5-93ce-1fd272f5023f_terseLabel_en-US" xlink:label="lab_bsac_JPYMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current bonds in JPY</link:label>
    <link:label id="lab_bsac_JPYMember_c3d2b735-73e1-4d4b-a273-40740431e5a9_verboseLabel_en-US" xlink:label="lab_bsac_JPYMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">JPY</link:label>
    <link:label id="lab_bsac_JPYMember_label_en-US" xlink:label="lab_bsac_JPYMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">JPY [Member]</link:label>
    <link:label id="lab_bsac_JPYMember_documentation_en-US" xlink:label="lab_bsac_JPYMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">JPY</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_JPYMember" xlink:href="bsac-20251231.xsd#bsac_JPYMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_JPYMember" xlink:to="lab_bsac_JPYMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherAdjustmentsAmount_9a5619a0-def9-4698-bdf7-9eec458b7dfd_terseLabel_en-US" xlink:label="lab_bsac_OtherAdjustmentsAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other adjustments</link:label>
    <link:label id="lab_bsac_OtherAdjustmentsAmount_label_en-US" xlink:label="lab_bsac_OtherAdjustmentsAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Adjustments Amount</link:label>
    <link:label id="lab_bsac_OtherAdjustmentsAmount_documentation_en-US" xlink:label="lab_bsac_OtherAdjustmentsAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount used for other adjustments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherAdjustmentsAmount" xlink:href="bsac-20251231.xsd#bsac_OtherAdjustmentsAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherAdjustmentsAmount" xlink:to="lab_bsac_OtherAdjustmentsAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountLineItems_5dbf591d-6f79-4f2d-b98a-dda26c401942_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfGrossCarryingAmountLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfGrossCarryingAmountLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfGrossCarryingAmountLineItems" xlink:to="lab_bsac_ScheduleOfGrossCarryingAmountLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_EquityMethodInvesteeNameDomain_e1929738-aceb-4b30-b166-be3402c9ed47_terseLabel_en-US" xlink:label="lab_srt_EquityMethodInvesteeNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment, Name [Domain]</link:label>
    <link:label id="lab_srt_EquityMethodInvesteeNameDomain_label_en-US" xlink:label="lab_srt_EquityMethodInvesteeNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment, Name [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_EquityMethodInvesteeNameDomain" xlink:to="lab_srt_EquityMethodInvesteeNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD2308224Member_019bf9a0-a747-78cc-b8ce-f9000c1ffb36_terseLabel_en-US" xlink:label="lab_bsac_BSTD2308224Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD230822</link:label>
    <link:label id="lab_bsac_BSTD2308224Member_label_en-US" xlink:label="lab_bsac_BSTD2308224Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD230822-4 [Member]</link:label>
    <link:label id="lab_bsac_BSTD2308224Member_documentation_en-US" xlink:label="lab_bsac_BSTD2308224Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD230822-4</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD2308224Member" xlink:href="bsac-20251231.xsd#bsac_BSTD2308224Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD2308224Member" xlink:to="lab_bsac_BSTD2308224Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD1806242Member_019b9f53-6ff2-7848-bf51-79cff13b76e6_terseLabel_en-US" xlink:label="lab_bsac_BSTD1806242Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD180624</link:label>
    <link:label id="lab_bsac_BSTD1806242Member_label_en-US" xlink:label="lab_bsac_BSTD1806242Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD180624-2 [Member]</link:label>
    <link:label id="lab_bsac_BSTD1806242Member_documentation_en-US" xlink:label="lab_bsac_BSTD1806242Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD180624-2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD1806242Member" xlink:href="bsac-20251231.xsd#bsac_BSTD1806242Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD1806242Member" xlink:to="lab_bsac_BSTD1806242Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossAbstract_7d4535fb-3b54-4a5d-b1df-34435857a423_terseLabel_en-US" xlink:label="lab_ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]</link:label>
    <link:label id="lab_ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossAbstract_label_en-US" xlink:label="lab_ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossAbstract" xlink:to="lab_ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AllowanceForCreditLossDecreaseForNewTransactions_019c8c0e-e39b-7fc6-ae3e-d07c513536c6_negatedLabel_en-US" xlink:label="lab_bsac_AllowanceForCreditLossDecreaseForNewTransactions" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">New transactions</link:label>
    <link:label id="lab_bsac_AllowanceForCreditLossDecreaseForNewTransactions_label_en-US" xlink:label="lab_bsac_AllowanceForCreditLossDecreaseForNewTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance For Credit Loss, Decrease For New Transactions</link:label>
    <link:label id="lab_bsac_AllowanceForCreditLossDecreaseForNewTransactions_documentation_en-US" xlink:label="lab_bsac_AllowanceForCreditLossDecreaseForNewTransactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Allowance For Credit Loss, Decrease For New Transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AllowanceForCreditLossDecreaseForNewTransactions" xlink:href="bsac-20251231.xsd#bsac_AllowanceForCreditLossDecreaseForNewTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AllowanceForCreditLossDecreaseForNewTransactions" xlink:to="lab_bsac_AllowanceForCreditLossDecreaseForNewTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteoffValue_81292b01-3776-48b6-8be3-9d1558ad8331_terseLabel_en-US" xlink:label="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteoffValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets derecognised or matured (excluding write-off)</link:label>
    <link:label id="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteoffValue_ca953445-4252-4aec-91a7-ab171dd46cd2_negatedTerseLabel_en-US" xlink:label="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteoffValue" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Assets derecognised or matured (excluding write-off)</link:label>
    <link:label id="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteoffValue_label_en-US" xlink:label="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteoffValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Derecognized Or Matured, Excluding Writeoff Value</link:label>
    <link:label id="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteoffValue_documentation_en-US" xlink:label="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteoffValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Assets derecognized or matured (excluding write-off).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsDerecognizedOrMaturedExcludingWriteoffValue" xlink:href="bsac-20251231.xsd#bsac_AssetsDerecognizedOrMaturedExcludingWriteoffValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsDerecognizedOrMaturedExcludingWriteoffValue" xlink:to="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteoffValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionsExplanatory_94128c6b-5c05-4e08-8cd7-75babb6eb4c0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions and Contingent Provisions</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfProvisionsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of provisions [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfProvisionsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfProvisionsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD2110243Member_019bf9a4-198a-7f68-a686-85512eda6e04_terseLabel_en-US" xlink:label="lab_bsac_BSTD2110243Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD211024</link:label>
    <link:label id="lab_bsac_BSTD2110243Member_label_en-US" xlink:label="lab_bsac_BSTD2110243Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD211024-3 [Member]</link:label>
    <link:label id="lab_bsac_BSTD2110243Member_documentation_en-US" xlink:label="lab_bsac_BSTD2110243Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD211024-3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD2110243Member" xlink:href="bsac-20251231.xsd#bsac_BSTD2110243Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD2110243Member" xlink:to="lab_bsac_BSTD2110243Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_USDMember_a761bfbf-70e3-4bdd-be43-3a58ee9aa131_terseLabel_en-US" xlink:label="lab_bsac_USDMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander bonds in USD</link:label>
    <link:label id="lab_bsac_USDMember_09b0f0ec-3aca-4486-b115-d5d773b65d24_verboseLabel_en-US" xlink:label="lab_bsac_USDMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">USD</link:label>
    <link:label id="lab_bsac_USDMember_label_en-US" xlink:label="lab_bsac_USDMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">USD [Member]</link:label>
    <link:label id="lab_bsac_USDMember_documentation_en-US" xlink:label="lab_bsac_USDMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">USD</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_USDMember" xlink:href="bsac-20251231.xsd#bsac_USDMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_USDMember" xlink:to="lab_bsac_USDMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ShortTermExposureToInterestRateRisk_b564c95b-d7fb-4bc5-9717-61b668327029_terseLabel_en-US" xlink:label="lab_bsac_ShortTermExposureToInterestRateRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short Term Exposure to Interest Rate Risk</link:label>
    <link:label id="lab_bsac_ShortTermExposureToInterestRateRisk_label_en-US" xlink:label="lab_bsac_ShortTermExposureToInterestRateRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short Term Exposure To Interest Rate Risk</link:label>
    <link:label id="lab_bsac_ShortTermExposureToInterestRateRisk_documentation_en-US" xlink:label="lab_bsac_ShortTermExposureToInterestRateRisk" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Short term exposure to interest rate risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ShortTermExposureToInterestRateRisk" xlink:href="bsac-20251231.xsd#bsac_ShortTermExposureToInterestRateRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ShortTermExposureToInterestRateRisk" xlink:to="lab_bsac_ShortTermExposureToInterestRateRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_UFInflationEffect_c59482f2-6dea-4db3-9815-358ad39e65f5_terseLabel_en-US" xlink:label="lab_bsac_UFInflationEffect" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">UF Inflation effect</link:label>
    <link:label id="lab_bsac_UFInflationEffect_label_en-US" xlink:label="lab_bsac_UFInflationEffect" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">UFInflation Effect</link:label>
    <link:label id="lab_bsac_UFInflationEffect_documentation_en-US" xlink:label="lab_bsac_UFInflationEffect" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">UF Inflation effect.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_UFInflationEffect" xlink:href="bsac-20251231.xsd#bsac_UFInflationEffect"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_UFInflationEffect" xlink:to="lab_bsac_UFInflationEffect" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Subtotal_225e7106-04b4-4ccc-b1e4-9df8ef0c0fa6_totalLabel_en-US" xlink:label="lab_bsac_Subtotal" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_bsac_Subtotal_label_en-US" xlink:label="lab_bsac_Subtotal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_bsac_Subtotal_documentation_en-US" xlink:label="lab_bsac_Subtotal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of deposit liabilities from customers held by the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Subtotal" xlink:href="bsac-20251231.xsd#bsac_Subtotal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Subtotal" xlink:to="lab_bsac_Subtotal" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialInformationOfAssociatesTable_e28433f0-d7b2-4832-944e-d62b16a5a866_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInformationOfAssociatesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Information of Associates [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInformationOfAssociatesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInformationOfAssociatesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Information of Associates [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInformationOfAssociatesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInformationOfAssociatesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Information of Associates [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialInformationOfAssociatesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialInformationOfAssociatesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialInformationOfAssociatesTable" xlink:to="lab_bsac_ScheduleOfFinancialInformationOfAssociatesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_899da048-1231-45cb-af09-52d39a19323e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of preparation</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of basis of preparation of financial statements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Between3And12MonthsMember_5f0eadde-f9ce-441c-8a49-7a6175e3a1e2_terseLabel_en-US" xlink:label="lab_bsac_Between3And12MonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Between 3 and 12 months</link:label>
    <link:label id="lab_bsac_Between3And12MonthsMember_label_en-US" xlink:label="lab_bsac_Between3And12MonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Between3 And12 Months [Member]</link:label>
    <link:label id="lab_bsac_Between3And12MonthsMember_documentation_en-US" xlink:label="lab_bsac_Between3And12MonthsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Between3 And12 Months</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Between3And12MonthsMember" xlink:href="bsac-20251231.xsd#bsac_Between3And12MonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Between3And12MonthsMember" xlink:to="lab_bsac_Between3And12MonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BusinessContinuitySystemsMember_58506cb0-1d60-4ad9-9b87-38e1d2bbde86_terseLabel_en-US" xlink:label="lab_bsac_BusinessContinuitySystemsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business interruption and system failures</link:label>
    <link:label id="lab_bsac_BusinessContinuitySystemsMember_label_en-US" xlink:label="lab_bsac_BusinessContinuitySystemsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Continuity Systems [Member]</link:label>
    <link:label id="lab_bsac_BusinessContinuitySystemsMember_documentation_en-US" xlink:label="lab_bsac_BusinessContinuitySystemsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Business Continuity Systems</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BusinessContinuitySystemsMember" xlink:href="bsac-20251231.xsd#bsac_BusinessContinuitySystemsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BusinessContinuitySystemsMember" xlink:to="lab_bsac_BusinessContinuitySystemsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DerivativesContractHaveGuaranteesForLiabilities_93c1571b-dcef-40bb-bcf4-2eb7fa1f24e0_terseLabel_en-US" xlink:label="lab_bsac_DerivativesContractHaveGuaranteesForLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivatives contract guarantees for liabilities</link:label>
    <link:label id="lab_bsac_DerivativesContractHaveGuaranteesForLiabilities_label_en-US" xlink:label="lab_bsac_DerivativesContractHaveGuaranteesForLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives Contract Have Guarantees For Liabilities</link:label>
    <link:label id="lab_bsac_DerivativesContractHaveGuaranteesForLiabilities_documentation_en-US" xlink:label="lab_bsac_DerivativesContractHaveGuaranteesForLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivatives Contract Have Guarantees For Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DerivativesContractHaveGuaranteesForLiabilities" xlink:href="bsac-20251231.xsd#bsac_DerivativesContractHaveGuaranteesForLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DerivativesContractHaveGuaranteesForLiabilities" xlink:to="lab_bsac_DerivativesContractHaveGuaranteesForLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DepreciationAndAmortisationAbstract_9b369b6b-7e23-4497-8902-29dcc976c1ee_terseLabel_en-US" xlink:label="lab_bsac_DepreciationAndAmortisationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortisation</link:label>
    <link:label id="lab_bsac_DepreciationAndAmortisationAbstract_label_en-US" xlink:label="lab_bsac_DepreciationAndAmortisationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation And Amortisation Abstract</link:label>
    <link:label id="lab_bsac_DepreciationAndAmortisationAbstract_documentation_en-US" xlink:label="lab_bsac_DepreciationAndAmortisationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Depreciation And Amortisation Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DepreciationAndAmortisationAbstract" xlink:href="bsac-20251231.xsd#bsac_DepreciationAndAmortisationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DepreciationAndAmortisationAbstract" xlink:to="lab_bsac_DepreciationAndAmortisationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProvisionForCreditCommitmentsMember_3f28c37d-759f-4f10-ae23-9a224225e4e0_terseLabel_en-US" xlink:label="lab_ifrs-full_ProvisionForCreditCommitmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions for contingent loan</link:label>
    <link:label id="lab_ifrs-full_ProvisionForCreditCommitmentsMember_label_en-US" xlink:label="lab_ifrs-full_ProvisionForCreditCommitmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for credit commitments [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProvisionForCreditCommitmentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProvisionForCreditCommitmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProvisionForCreditCommitmentsMember" xlink:to="lab_ifrs-full_ProvisionForCreditCommitmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LevelTransferLiabilities_b1353a24-8eeb-43bf-b90b-a020f62dab66_terseLabel_en-US" xlink:label="lab_bsac_LevelTransferLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level transfer</link:label>
    <link:label id="lab_bsac_LevelTransferLiabilities_label_en-US" xlink:label="lab_bsac_LevelTransferLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Level Transfer Liabilities</link:label>
    <link:label id="lab_bsac_LevelTransferLiabilities_documentation_en-US" xlink:label="lab_bsac_LevelTransferLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount related to Level transfer.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LevelTransferLiabilities" xlink:href="bsac-20251231.xsd#bsac_LevelTransferLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LevelTransferLiabilities" xlink:to="lab_bsac_LevelTransferLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract_aa7a9bf1-95c9-497c-8f5e-0769c55606d6_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax liabilities</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax assets and liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="lab_ifrs-full_DeferredTaxAssetsAndLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterestRateCurveMember_2a672e24-e68e-4a2d-97b3-96978bf83399_terseLabel_en-US" xlink:label="lab_bsac_InterestRateCurveMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate curve</link:label>
    <link:label id="lab_bsac_InterestRateCurveMember_label_en-US" xlink:label="lab_bsac_InterestRateCurveMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest rate curve [Member]</link:label>
    <link:label id="lab_bsac_InterestRateCurveMember_documentation_en-US" xlink:label="lab_bsac_InterestRateCurveMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest rate curve</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterestRateCurveMember" xlink:href="bsac-20251231.xsd#bsac_InterestRateCurveMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterestRateCurveMember" xlink:to="lab_bsac_InterestRateCurveMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset_61ec2f3a-c436-4ddf-968e-d88869d9301e_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in net defined benefit liability (asset) resulting from other changes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdministrativeAndOtherExpenses_3b51552c-879d-4dac-ac98-3eae747987bf_negatedTerseLabel_en-US" xlink:label="lab_bsac_AdministrativeAndOtherExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Administrative and other expenses</link:label>
    <link:label id="lab_bsac_AdministrativeAndOtherExpenses_label_en-US" xlink:label="lab_bsac_AdministrativeAndOtherExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Administrative And Other Expenses</link:label>
    <link:label id="lab_bsac_AdministrativeAndOtherExpenses_documentation_en-US" xlink:label="lab_bsac_AdministrativeAndOtherExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about administrative and other expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdministrativeAndOtherExpenses" xlink:href="bsac-20251231.xsd#bsac_AdministrativeAndOtherExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdministrativeAndOtherExpenses" xlink:to="lab_bsac_AdministrativeAndOtherExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtInstrumentsAtFvociAbstract3_7e8fedb6-8122-40fd-948c-ff0495dea790_terseLabel_en-US" xlink:label="lab_bsac_DebtInstrumentsAtFvociAbstract3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instruments at FVOCI</link:label>
    <link:label id="lab_bsac_DebtInstrumentsAtFvociAbstract3_label_en-US" xlink:label="lab_bsac_DebtInstrumentsAtFvociAbstract3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instruments At Fvoci Abstract3</link:label>
    <link:label id="lab_bsac_DebtInstrumentsAtFvociAbstract3_documentation_en-US" xlink:label="lab_bsac_DebtInstrumentsAtFvociAbstract3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instruments At Fvoci Abstract3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtInstrumentsAtFvociAbstract3" xlink:href="bsac-20251231.xsd#bsac_DebtInstrumentsAtFvociAbstract3"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtInstrumentsAtFvociAbstract3" xlink:to="lab_bsac_DebtInstrumentsAtFvociAbstract3" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderCorredoresdeBolsaLimitadaMember_2ce3b9a6-eb34-4669-967c-fcb92791fdf4_terseLabel_en-US" xlink:label="lab_bsac_SantanderCorredoresdeBolsaLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Corredores de Bolsa Limitada</link:label>
    <link:label id="lab_bsac_SantanderCorredoresdeBolsaLimitadaMember_label_en-US" xlink:label="lab_bsac_SantanderCorredoresdeBolsaLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Corredoresde Bolsa Limitada [Member]</link:label>
    <link:label id="lab_bsac_SantanderCorredoresdeBolsaLimitadaMember_documentation_en-US" xlink:label="lab_bsac_SantanderCorredoresdeBolsaLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Corredoresde Bolsa Limitada</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderCorredoresdeBolsaLimitadaMember" xlink:href="bsac-20251231.xsd#bsac_SantanderCorredoresdeBolsaLimitadaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderCorredoresdeBolsaLimitadaMember" xlink:to="lab_bsac_SantanderCorredoresdeBolsaLimitadaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MortgageLoans_830c80b0-1ad1-4686-813d-8e0bf2db9984_terseLabel_en-US" xlink:label="lab_ifrs-full_MortgageLoans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage loans</link:label>
    <link:label id="lab_ifrs-full_MortgageLoans_label_en-US" xlink:label="lab_ifrs-full_MortgageLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MortgageLoans" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MortgageLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MortgageLoans" xlink:to="lab_ifrs-full_MortgageLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionofLeaseLiabilityBalancesLineItems_7833b268-53aa-415a-857f-d2ecd162f796_terseLabel_en-US" xlink:label="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionofLeaseLiabilityBalancesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Composition of Lease Liability Balances [Line Items]</link:label>
    <link:label id="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionofLeaseLiabilityBalancesLineItems_label_en-US" xlink:label="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionofLeaseLiabilityBalancesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Composition of Lease Liability Balances [Line Items]</link:label>
    <link:label id="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionofLeaseLiabilityBalancesLineItems_documentation_en-US" xlink:label="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionofLeaseLiabilityBalancesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Composition of Lease Liability Balances [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionofLeaseLiabilityBalancesLineItems" xlink:href="bsac-20251231.xsd#bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionofLeaseLiabilityBalancesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionofLeaseLiabilityBalancesLineItems" xlink:to="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionofLeaseLiabilityBalancesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SubordinatedBondDenominatedInUSD_72928d34-06d1-408c-8a1b-c6d95d0ec556_terseLabel_en-US" xlink:label="lab_bsac_SubordinatedBondDenominatedInUSD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subordinated bonds denominated in USD</link:label>
    <link:label id="lab_bsac_SubordinatedBondDenominatedInUSD_label_en-US" xlink:label="lab_bsac_SubordinatedBondDenominatedInUSD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subordinated Bond Denominated In USD</link:label>
    <link:label id="lab_bsac_SubordinatedBondDenominatedInUSD_documentation_en-US" xlink:label="lab_bsac_SubordinatedBondDenominatedInUSD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of liabilities that are subordinate to bond denominate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubordinatedBondDenominatedInUSD" xlink:href="bsac-20251231.xsd#bsac_SubordinatedBondDenominatedInUSD"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubordinatedBondDenominatedInUSD" xlink:to="lab_bsac_SubordinatedBondDenominatedInUSD" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory_55c62a38-1c8a-4097-b89a-3dd35f79e0cd_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets at Fair Value Through Other Comprehensive Income</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of fair value of financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_C3Member_96242735-f34e-498f-8c75-18852edad815_terseLabel_en-US" xlink:label="lab_bsac_C3Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">C3</link:label>
    <link:label id="lab_bsac_C3Member_label_en-US" xlink:label="lab_bsac_C3Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">C3 [Member]</link:label>
    <link:label id="lab_bsac_C3Member_documentation_en-US" xlink:label="lab_bsac_C3Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">C3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_C3Member" xlink:href="bsac-20251231.xsd#bsac_C3Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_C3Member" xlink:to="lab_bsac_C3Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_07521de9-eee7-4f68-9f3a-e47db9bfb133_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest cost</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in net defined benefit liability (asset) resulting from interest expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChileanCentralBankAndGovernmentFinancialInstrumentsMember_7da08a24-56b6-4feb-9b77-f13f6a19f254_terseLabel_en-US" xlink:label="lab_bsac_ChileanCentralBankAndGovernmentFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chilean Central Bank and Government financial instruments</link:label>
    <link:label id="lab_bsac_ChileanCentralBankAndGovernmentFinancialInstrumentsMember_label_en-US" xlink:label="lab_bsac_ChileanCentralBankAndGovernmentFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chilean Central Bank and Government financial instruments [Member]</link:label>
    <link:label id="lab_bsac_ChileanCentralBankAndGovernmentFinancialInstrumentsMember_documentation_en-US" xlink:label="lab_bsac_ChileanCentralBankAndGovernmentFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chilean Central Bank and Government financial instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChileanCentralBankAndGovernmentFinancialInstrumentsMember" xlink:href="bsac-20251231.xsd#bsac_ChileanCentralBankAndGovernmentFinancialInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChileanCentralBankAndGovernmentFinancialInstrumentsMember" xlink:to="lab_bsac_ChileanCentralBankAndGovernmentFinancialInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupAccountingServicesMonthlyMember_019b9f64-bbc0-7c68-bbbe-c750e871c0fb_terseLabel_en-US" xlink:label="lab_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupAccountingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gesban Santander Servicios Profesionales Contables Limitada| Chile| Group| Accounting Services| Monthly</link:label>
    <link:label id="lab_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupAccountingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupAccountingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gesban Santander Servicios Profesionales Contables Limitada| Chile| Group| Accounting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupAccountingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupAccountingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gesban Santander Servicios Profesionales Contables Limitada| Chile| Group| Accounting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupAccountingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupAccountingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupAccountingServicesMonthlyMember" xlink:to="lab_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupAccountingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD1209232Member_019b9f54-8ad0-7c5b-9c14-cb9a6d1ac080_terseLabel_en-US" xlink:label="lab_bsac_BSTD1209232Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD120923</link:label>
    <link:label id="lab_bsac_BSTD1209232Member_label_en-US" xlink:label="lab_bsac_BSTD1209232Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD120923-2 [Member]</link:label>
    <link:label id="lab_bsac_BSTD1209232Member_documentation_en-US" xlink:label="lab_bsac_BSTD1209232Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD120923-2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD1209232Member" xlink:href="bsac-20251231.xsd#bsac_BSTD1209232Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD1209232Member" xlink:to="lab_bsac_BSTD1209232Member" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_4ed00cdb-2127-4050-809f-e840af54932b_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding" xlink:to="lab_dei_EntityCommonStockSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Between1And3MonthsMember_0c15fb37-d0f6-40e4-82c3-e92106c52d9d_terseLabel_en-US" xlink:label="lab_bsac_Between1And3MonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Between 1 and 3 months</link:label>
    <link:label id="lab_bsac_Between1And3MonthsMember_label_en-US" xlink:label="lab_bsac_Between1And3MonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Between1 And3 Months [Member]</link:label>
    <link:label id="lab_bsac_Between1And3MonthsMember_documentation_en-US" xlink:label="lab_bsac_Between1And3MonthsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Between1 And3 Months</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Between1And3MonthsMember" xlink:href="bsac-20251231.xsd#bsac_Between1And3MonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Between1And3MonthsMember" xlink:to="lab_bsac_Between1And3MonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InternalCreditGradesDomain_75cdf57f-cb4b-4b59-b261-673507ffdb51_terseLabel_en-US" xlink:label="lab_ifrs-full_InternalCreditGradesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Internal credit grades [domain]</link:label>
    <link:label id="lab_ifrs-full_InternalCreditGradesDomain_label_en-US" xlink:label="lab_ifrs-full_InternalCreditGradesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Internal credit grades [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InternalCreditGradesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InternalCreditGradesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InternalCreditGradesDomain" xlink:to="lab_ifrs-full_InternalCreditGradesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherNonfinancialLiabilities_3a641181-c1ee-4de0-81df-0ab66de91a3f_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherNonfinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_OtherNonfinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherNonfinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other non-financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherNonfinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherNonfinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNonfinancialLiabilities" xlink:to="lab_ifrs-full_OtherNonfinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfFinancialAssetsAxis_61113225-edcb-4a74-9fe1-38ef68aa235e_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of financial assets [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of financial assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfFinancialAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfFinancialAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_TypesOfFinancialAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RevolvingCreditCardsMember_8dc23c2f-755c-4da7-8a50-66b4dd363eb5_terseLabel_en-US" xlink:label="lab_bsac_RevolvingCreditCardsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revolving (Credit cards)</link:label>
    <link:label id="lab_bsac_RevolvingCreditCardsMember_label_en-US" xlink:label="lab_bsac_RevolvingCreditCardsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revolving Credit Cards [Member]</link:label>
    <link:label id="lab_bsac_RevolvingCreditCardsMember_documentation_en-US" xlink:label="lab_bsac_RevolvingCreditCardsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for revolving credit cards.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RevolvingCreditCardsMember" xlink:href="bsac-20251231.xsd#bsac_RevolvingCreditCardsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RevolvingCreditCardsMember" xlink:to="lab_bsac_RevolvingCreditCardsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ZurcherKantonalbankMember_0690aa0d-b386-4af6-8435-12eaded09752_terseLabel_en-US" xlink:label="lab_bsac_ZurcherKantonalbankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Zurcher Kantonalbank</link:label>
    <link:label id="lab_bsac_ZurcherKantonalbankMember_label_en-US" xlink:label="lab_bsac_ZurcherKantonalbankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Zurcher Kantonalbank [Member]</link:label>
    <link:label id="lab_bsac_ZurcherKantonalbankMember_documentation_en-US" xlink:label="lab_bsac_ZurcherKantonalbankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Zurcher Kantonalbank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ZurcherKantonalbankMember" xlink:href="bsac-20251231.xsd#bsac_ZurcherKantonalbankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ZurcherKantonalbankMember" xlink:to="lab_bsac_ZurcherKantonalbankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CurrentAndDeferredTaxesAbstract_dccd5bf6-45de-4787-a47d-e462dbee9d18_terseLabel_en-US" xlink:label="lab_bsac_CurrentAndDeferredTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current and Deferred Taxes [Abstract]</link:label>
    <link:label id="lab_bsac_CurrentAndDeferredTaxesAbstract_label_en-US" xlink:label="lab_bsac_CurrentAndDeferredTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current and Deferred Taxes [Abstract]</link:label>
    <link:label id="lab_bsac_CurrentAndDeferredTaxesAbstract_documentation_en-US" xlink:label="lab_bsac_CurrentAndDeferredTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current and Deferred Taxes [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CurrentAndDeferredTaxesAbstract" xlink:href="bsac-20251231.xsd#bsac_CurrentAndDeferredTaxesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CurrentAndDeferredTaxesAbstract" xlink:to="lab_bsac_CurrentAndDeferredTaxesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfDeferredTaxesNonDeductibleExpenses_bf7e417d-1b44-4be1-a6cb-59eb8a56e4bd_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfDeferredTaxesNonDeductibleExpenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Single penalty tax (rejected expenses), tax rate</link:label>
    <link:label id="lab_bsac_PercentageOfDeferredTaxesNonDeductibleExpenses_label_en-US" xlink:label="lab_bsac_PercentageOfDeferredTaxesNonDeductibleExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Deferred Taxes Non Deductible Expenses</link:label>
    <link:label id="lab_bsac_PercentageOfDeferredTaxesNonDeductibleExpenses_documentation_en-US" xlink:label="lab_bsac_PercentageOfDeferredTaxesNonDeductibleExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of deferred taxes nondeductible expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfDeferredTaxesNonDeductibleExpenses" xlink:href="bsac-20251231.xsd#bsac_PercentageOfDeferredTaxesNonDeductibleExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfDeferredTaxesNonDeductibleExpenses" xlink:to="lab_bsac_PercentageOfDeferredTaxesNonDeductibleExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChangesInMeasurementOfFinancialAssets_b4ad0a96-26d3-4343-ad37-87eaacdaaf07_terseLabel_en-US" xlink:label="lab_bsac_ChangesInMeasurementOfFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in measurement of financial assets</link:label>
    <link:label id="lab_bsac_ChangesInMeasurementOfFinancialAssets_label_en-US" xlink:label="lab_bsac_ChangesInMeasurementOfFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changes In Measurement Of Financial Assets</link:label>
    <link:label id="lab_bsac_ChangesInMeasurementOfFinancialAssets_documentation_en-US" xlink:label="lab_bsac_ChangesInMeasurementOfFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Changes In Measurement Of Financial Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChangesInMeasurementOfFinancialAssets" xlink:href="bsac-20251231.xsd#bsac_ChangesInMeasurementOfFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChangesInMeasurementOfFinancialAssets" xlink:to="lab_bsac_ChangesInMeasurementOfFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationPropertyPlantAndEquipment_090c8fae-c081-4289-8736-2ad687ccb350_negatedLabel_en-US" xlink:label="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Depreciation charges in the period</link:label>
    <link:label id="lab_ifrs-full_DepreciationPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepreciationPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_DepreciationPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfBreakdownOfBanksFixedIncomeByLevelsTextBlockTableTextBlock_a60edda1-440b-4342-9371-363633eaa4d8_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfBreakdownOfBanksFixedIncomeByLevelsTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Breakdown of Bank's Fixed Income by Levels</link:label>
    <link:label id="lab_bsac_ScheduleOfBreakdownOfBanksFixedIncomeByLevelsTextBlockTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfBreakdownOfBanksFixedIncomeByLevelsTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Breakdown Of Banks Fixed Income By Levels Text Block [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfBreakdownOfBanksFixedIncomeByLevelsTextBlockTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfBreakdownOfBanksFixedIncomeByLevelsTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of breakdown of bank's fixed income by levels.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfBreakdownOfBanksFixedIncomeByLevelsTextBlockTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfBreakdownOfBanksFixedIncomeByLevelsTextBlockTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfBreakdownOfBanksFixedIncomeByLevelsTextBlockTableTextBlock" xlink:to="lab_bsac_ScheduleOfBreakdownOfBanksFixedIncomeByLevelsTextBlockTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesAbstract_6b373502-6f0c-4d1b-8ea2-5af221b8527a_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">LIABILITIES</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesAbstract_3f8a66ad-4f7e-4e66-837c-a188deb6fc4b_verboseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesAbstract" xlink:to="lab_ifrs-full_LiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AFairValueOfPlanAssetsAbstract_727b9038-0bb7-425e-9eb1-6c8764480025_terseLabel_en-US" xlink:label="lab_bsac_AFairValueOfPlanAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">a) Fair value of plan assets</link:label>
    <link:label id="lab_bsac_AFairValueOfPlanAssetsAbstract_label_en-US" xlink:label="lab_bsac_AFairValueOfPlanAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AFair Value Of Plan Assets Abstract</link:label>
    <link:label id="lab_bsac_AFairValueOfPlanAssetsAbstract_documentation_en-US" xlink:label="lab_bsac_AFairValueOfPlanAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">AFair Value Of Plan Assets Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AFairValueOfPlanAssetsAbstract" xlink:href="bsac-20251231.xsd#bsac_AFairValueOfPlanAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AFairValueOfPlanAssetsAbstract" xlink:to="lab_bsac_AFairValueOfPlanAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfInflation_197209e9-7657-4387-a0d3-fc1fdf5900d6_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfInflation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of inflation</link:label>
    <link:label id="lab_bsac_PercentageOfInflation_label_en-US" xlink:label="lab_bsac_PercentageOfInflation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Inflation</link:label>
    <link:label id="lab_bsac_PercentageOfInflation_documentation_en-US" xlink:label="lab_bsac_PercentageOfInflation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of inflation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfInflation" xlink:href="bsac-20251231.xsd#bsac_PercentageOfInflation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfInflation" xlink:to="lab_bsac_PercentageOfInflation" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AgricultureandLivestockSectorMember_f20bbd8a-159e-4b46-9bf8-2a1d9c079363_terseLabel_en-US" xlink:label="lab_bsac_AgricultureandLivestockSectorMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Agriculture and livestock</link:label>
    <link:label id="lab_bsac_AgricultureandLivestockSectorMember_label_en-US" xlink:label="lab_bsac_AgricultureandLivestockSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Agricultureand Livestock Sector [Member]</link:label>
    <link:label id="lab_bsac_AgricultureandLivestockSectorMember_documentation_en-US" xlink:label="lab_bsac_AgricultureandLivestockSectorMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information about industry sector.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AgricultureandLivestockSectorMember" xlink:href="bsac-20251231.xsd#bsac_AgricultureandLivestockSectorMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AgricultureandLivestockSectorMember" xlink:to="lab_bsac_AgricultureandLivestockSectorMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember_c315c788-adf6-4ff6-bc0b-0fccd9f0d264_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost, class [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtAmortisedCostMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:to="lab_ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss1_e5f1a43a-df5b-41c9-a317-652a36456433_totalLabel_en-US" xlink:label="lab_bsac_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total deferred tax assets</link:label>
    <link:label id="lab_bsac_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss1_1d6857cd-11c3-4189-9a70-7600fda52d44_verboseLabel_en-US" xlink:label="lab_bsac_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Recognised through profit or loss</link:label>
    <link:label id="lab_bsac_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss1_label_en-US" xlink:label="lab_bsac_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Expense Income Recognised In Profit Or Loss1</link:label>
    <link:label id="lab_bsac_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss1_documentation_en-US" xlink:label="lab_bsac_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of tax expense or income relating to changes in deferred tax liabilities and deferred tax assets, recognised in profit or loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss1" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss1" xlink:to="lab_bsac_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CassaDiRisparmioDiParmaEMember_760e5bcf-ec13-46c5-989c-f963c8304546_terseLabel_en-US" xlink:label="lab_bsac_CassaDiRisparmioDiParmaEMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cassa Di Risparmio Di Parma E</link:label>
    <link:label id="lab_bsac_CassaDiRisparmioDiParmaEMember_label_en-US" xlink:label="lab_bsac_CassaDiRisparmioDiParmaEMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cassa Di Risparmio Di Parma E [Member]</link:label>
    <link:label id="lab_bsac_CassaDiRisparmioDiParmaEMember_documentation_en-US" xlink:label="lab_bsac_CassaDiRisparmioDiParmaEMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cassa Di Risparmio Di Parma E</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CassaDiRisparmioDiParmaEMember" xlink:href="bsac-20251231.xsd#bsac_CassaDiRisparmioDiParmaEMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CassaDiRisparmioDiParmaEMember" xlink:to="lab_bsac_CassaDiRisparmioDiParmaEMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxLiabilityAbstract_94bbbb35-9dad-4378-a0ce-919d9b64c958_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxLiabilityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax liabilities</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilityAbstract_label_en-US" xlink:label="lab_bsac_DeferredTaxLiabilityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liability Abstract</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilityAbstract_documentation_en-US" xlink:label="lab_bsac_DeferredTaxLiabilityAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Tax Liability Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxLiabilityAbstract" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxLiabilityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxLiabilityAbstract" xlink:to="lab_bsac_DeferredTaxLiabilityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansAndAccountsReceivableFromClientsMember_019b9f06-ee66-7a61-b8f7-7cc582c4a278_terseLabel_en-US" xlink:label="lab_bsac_LoansAndAccountsReceivableFromClientsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and accounts receivable from clients</link:label>
    <link:label id="lab_bsac_LoansAndAccountsReceivableFromClientsMember_label_en-US" xlink:label="lab_bsac_LoansAndAccountsReceivableFromClientsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Accounts Receivable From Clients [Member]</link:label>
    <link:label id="lab_bsac_LoansAndAccountsReceivableFromClientsMember_documentation_en-US" xlink:label="lab_bsac_LoansAndAccountsReceivableFromClientsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans And Accounts Receivable From Clients</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansAndAccountsReceivableFromClientsMember" xlink:href="bsac-20251231.xsd#bsac_LoansAndAccountsReceivableFromClientsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansAndAccountsReceivableFromClientsMember" xlink:to="lab_bsac_LoansAndAccountsReceivableFromClientsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IssuanceRate_9f48122d-65a5-40b7-b05b-9138e27144fa_terseLabel_en-US" xlink:label="lab_bsac_IssuanceRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance rate (% annual)</link:label>
    <link:label id="lab_bsac_IssuanceRate_label_en-US" xlink:label="lab_bsac_IssuanceRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issuance Rate</link:label>
    <link:label id="lab_bsac_IssuanceRate_documentation_en-US" xlink:label="lab_bsac_IssuanceRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Issuance Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IssuanceRate" xlink:href="bsac-20251231.xsd#bsac_IssuanceRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IssuanceRate" xlink:to="lab_bsac_IssuanceRate" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RegulatoryCapitalFinancialInstrumentsMember_82a0407d-e8f6-4352-a3fc-df1c8f522ac0_terseLabel_en-US" xlink:label="lab_bsac_RegulatoryCapitalFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory capital financial instruments</link:label>
    <link:label id="lab_bsac_RegulatoryCapitalFinancialInstrumentsMember_label_en-US" xlink:label="lab_bsac_RegulatoryCapitalFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulatory Capital Financial Instruments [Member]</link:label>
    <link:label id="lab_bsac_RegulatoryCapitalFinancialInstrumentsMember_documentation_en-US" xlink:label="lab_bsac_RegulatoryCapitalFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Regulatory Capital Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RegulatoryCapitalFinancialInstrumentsMember" xlink:href="bsac-20251231.xsd#bsac_RegulatoryCapitalFinancialInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RegulatoryCapitalFinancialInstrumentsMember" xlink:to="lab_bsac_RegulatoryCapitalFinancialInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AmericanDepositarySharesADSEachRepresentingTheRightToReceive400SharesOfCommonStockWithoutParValueMember_a7a9f382-ceff-47d6-8503-ae8a7c85399d_terseLabel_en-US" xlink:label="lab_bsac_AmericanDepositarySharesADSEachRepresentingTheRightToReceive400SharesOfCommonStockWithoutParValueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">American Depositary Shares (&#8220;ADS&#8221;), each representing the right to receive 400 Shares of Common Stock without par value</link:label>
    <link:label id="lab_bsac_AmericanDepositarySharesADSEachRepresentingTheRightToReceive400SharesOfCommonStockWithoutParValueMember_label_en-US" xlink:label="lab_bsac_AmericanDepositarySharesADSEachRepresentingTheRightToReceive400SharesOfCommonStockWithoutParValueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">American Depositary Shares ADSEach Representing The Right To Receive400 Shares Of Common Stock Without Par Value [Member]</link:label>
    <link:label id="lab_bsac_AmericanDepositarySharesADSEachRepresentingTheRightToReceive400SharesOfCommonStockWithoutParValueMember_documentation_en-US" xlink:label="lab_bsac_AmericanDepositarySharesADSEachRepresentingTheRightToReceive400SharesOfCommonStockWithoutParValueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">American Depositary Shares ADSEach Representing The Right To Receive400 Shares Of Common Stock Without Par Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AmericanDepositarySharesADSEachRepresentingTheRightToReceive400SharesOfCommonStockWithoutParValueMember" xlink:href="bsac-20251231.xsd#bsac_AmericanDepositarySharesADSEachRepresentingTheRightToReceive400SharesOfCommonStockWithoutParValueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AmericanDepositarySharesADSEachRepresentingTheRightToReceive400SharesOfCommonStockWithoutParValueMember" xlink:to="lab_bsac_AmericanDepositarySharesADSEachRepresentingTheRightToReceive400SharesOfCommonStockWithoutParValueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncreaseInCapitalAmount_019b9e6a-2caa-7a01-a21f-40068b2b449c_terseLabel_en-US" xlink:label="lab_bsac_IncreaseInCapitalAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in capital to the subsidiary</link:label>
    <link:label id="lab_bsac_IncreaseInCapitalAmount_label_en-US" xlink:label="lab_bsac_IncreaseInCapitalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase In Capital, Amount</link:label>
    <link:label id="lab_bsac_IncreaseInCapitalAmount_documentation_en-US" xlink:label="lab_bsac_IncreaseInCapitalAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase In Capital, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncreaseInCapitalAmount" xlink:href="bsac-20251231.xsd#bsac_IncreaseInCapitalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncreaseInCapitalAmount" xlink:to="lab_bsac_IncreaseInCapitalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetsHeldForTrading_816fe7db-3416-47fa-855a-8c4949aee94c_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsHeldForTrading" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets held for trading</link:label>
    <link:label id="lab_bsac_FinancialAssetsHeldForTrading_label_en-US" xlink:label="lab_bsac_FinancialAssetsHeldForTrading" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets Held For Trading</link:label>
    <link:label id="lab_bsac_FinancialAssetsHeldForTrading_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsHeldForTrading" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of derivative financial assets held for trading. [Refer: Derivative financial assets; Financial assets at fair value through profit or loss, classified as held for trading]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsHeldForTrading" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsHeldForTrading"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsHeldForTrading" xlink:to="lab_bsac_FinancialAssetsHeldForTrading" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CORFOMember_019bf958-9583-791d-b6d5-05e43e4ef498_terseLabel_en-US" xlink:label="lab_bsac_CORFOMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CORFO</link:label>
    <link:label id="lab_bsac_CORFOMember_label_en-US" xlink:label="lab_bsac_CORFOMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CORFO [Member]</link:label>
    <link:label id="lab_bsac_CORFOMember_documentation_en-US" xlink:label="lab_bsac_CORFOMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">CORFO</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CORFOMember" xlink:href="bsac-20251231.xsd#bsac_CORFOMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CORFOMember" xlink:to="lab_bsac_CORFOMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_6d6df63a-0229-4d68-86a9-f25dd84268dd_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total cash flow used in investment activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfRisksAxis_75e2a148-07e0-4638-bf26-26c3c6d458d5_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of risks [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfRisksAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfRisksAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of risks [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfRisksAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfRisksAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfRisksAxis" xlink:to="lab_ifrs-full_TypesOfRisksAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TimeDeposit_51630486-284a-4d3f-89f6-84be93b7378a_terseLabel_en-US" xlink:label="lab_bsac_TimeDeposit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Time deposits</link:label>
    <link:label id="lab_bsac_TimeDeposit_label_en-US" xlink:label="lab_bsac_TimeDeposit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Time Deposit</link:label>
    <link:label id="lab_bsac_TimeDeposit_documentation_en-US" xlink:label="lab_bsac_TimeDeposit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of time deposits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TimeDeposit" xlink:href="bsac-20251231.xsd#bsac_TimeDeposit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TimeDeposit" xlink:to="lab_bsac_TimeDeposit" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_QuantitativeCriteriaOtherCommercialRevolvingCreditCards_66690fdb-2957-4f99-9bc7-ceeed3d45edb_terseLabel_en-US" xlink:label="lab_bsac_QuantitativeCriteriaOtherCommercialRevolvingCreditCards" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other commercial, Revolving (Credit cards)</link:label>
    <link:label id="lab_bsac_QuantitativeCriteriaOtherCommercialRevolvingCreditCards_label_en-US" xlink:label="lab_bsac_QuantitativeCriteriaOtherCommercialRevolvingCreditCards" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Quantitative Criteria Other Commercial Revolving Credit Cards</link:label>
    <link:label id="lab_bsac_QuantitativeCriteriaOtherCommercialRevolvingCreditCards_documentation_en-US" xlink:label="lab_bsac_QuantitativeCriteriaOtherCommercialRevolvingCreditCards" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Quantitative Criteria Other Commercial Revolving Credit Cards</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_QuantitativeCriteriaOtherCommercialRevolvingCreditCards" xlink:href="bsac-20251231.xsd#bsac_QuantitativeCriteriaOtherCommercialRevolvingCreditCards"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_QuantitativeCriteriaOtherCommercialRevolvingCreditCards" xlink:to="lab_bsac_QuantitativeCriteriaOtherCommercialRevolvingCreditCards" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherChileanDebtFinancialInstrumentsMember_25cbd810-9181-434b-a0e7-d7ce31499c32_terseLabel_en-US" xlink:label="lab_bsac_OtherChileanDebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Chilean debt financial instruments</link:label>
    <link:label id="lab_bsac_OtherChileanDebtFinancialInstrumentsMember_label_en-US" xlink:label="lab_bsac_OtherChileanDebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Chilean debt financial instruments [Member]</link:label>
    <link:label id="lab_bsac_OtherChileanDebtFinancialInstrumentsMember_documentation_en-US" xlink:label="lab_bsac_OtherChileanDebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Chilean debt financial instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherChileanDebtFinancialInstrumentsMember" xlink:href="bsac-20251231.xsd#bsac_OtherChileanDebtFinancialInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherChileanDebtFinancialInstrumentsMember" xlink:to="lab_bsac_OtherChileanDebtFinancialInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_feb9ca28-33ac-4a38-87b5-704afe982be4_totalLabel_en-US" xlink:label="lab_ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Contingent loans</link:label>
    <link:label id="lab_ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements_label_en-US" xlink:label="lab_ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross financial assets subject to offsetting, enforceable master netting arrangements or similar agreements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:to="lab_ifrs-full_GrossFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrencySwapContractMember_cfeffed0-1c98-4307-921e-855fc906a0ea_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrencySwapContractMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cross currency swaps</link:label>
    <link:label id="lab_ifrs-full_CurrencySwapContractMember_d9dcfffc-5c32-4e31-a74e-e32f8d7e75a3_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrencySwapContractMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cross currency swaps</link:label>
    <link:label id="lab_ifrs-full_CurrencySwapContractMember_label_en-US" xlink:label="lab_ifrs-full_CurrencySwapContractMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency swap contract [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrencySwapContractMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrencySwapContractMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrencySwapContractMember" xlink:to="lab_ifrs-full_CurrencySwapContractMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderInvestmentChileLimitadaChileGroupConsultingServicesMonthlyMember_019bf9ea-aab4-73a1-8d24-d348a72a10bd_terseLabel_en-US" xlink:label="lab_bsac_SantanderInvestmentChileLimitadaChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Investment Chile Limitada| Chile| Group| Consulting Services| Monthly</link:label>
    <link:label id="lab_bsac_SantanderInvestmentChileLimitadaChileGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderInvestmentChileLimitadaChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Investment Chile Limitada| Chile| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderInvestmentChileLimitadaChileGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderInvestmentChileLimitadaChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Investment Chile Limitada| Chile| Group| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderInvestmentChileLimitadaChileGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderInvestmentChileLimitadaChileGroupConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderInvestmentChileLimitadaChileGroupConsultingServicesMonthlyMember" xlink:to="lab_bsac_SantanderInvestmentChileLimitadaChileGroupConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankObligations_83679c47-788e-4272-a1cb-3f9df78f22e8_terseLabel_en-US" xlink:label="lab_bsac_BankObligations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank obligations</link:label>
    <link:label id="lab_bsac_BankObligations_label_en-US" xlink:label="lab_bsac_BankObligations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Obligations</link:label>
    <link:label id="lab_bsac_BankObligations_documentation_en-US" xlink:label="lab_bsac_BankObligations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of bank obligations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankObligations" xlink:href="bsac-20251231.xsd#bsac_BankObligations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankObligations" xlink:to="lab_bsac_BankObligations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable_012cd12c-768f-41d5-a7b2-3e6e0a0742df_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets at Fair Value Through Other Comprehensive Income [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets at Fair Value Through Other Comprehensive Income [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets at Fair Value Through Other Comprehensive Income [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xlink:to="lab_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ReportingSegmentsDetailsLineItems_2bca20a1-204f-4737-9ca0-1a27cc05056f_terseLabel_en-US" xlink:label="lab_bsac_ReportingSegmentsDetailsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reporting Segments [Line Items]</link:label>
    <link:label id="lab_bsac_ReportingSegmentsDetailsLineItems_label_en-US" xlink:label="lab_bsac_ReportingSegmentsDetailsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reporting Segments (Details) [Line Items]</link:label>
    <link:label id="lab_bsac_ReportingSegmentsDetailsLineItems_documentation_en-US" xlink:label="lab_bsac_ReportingSegmentsDetailsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reporting Segments (Details) [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ReportingSegmentsDetailsLineItems" xlink:href="bsac-20251231.xsd#bsac_ReportingSegmentsDetailsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ReportingSegmentsDetailsLineItems" xlink:to="lab_bsac_ReportingSegmentsDetailsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetsAtFVOCIMember_ab29bc8b-47f7-4f82-a1c0-bd897ffb9574_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsAtFVOCIMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at FVOCI</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFVOCIMember_label_en-US" xlink:label="lab_bsac_FinancialAssetsAtFVOCIMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets At FVOCI [Member]</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFVOCIMember_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsAtFVOCIMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Assets At FVOCI</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsAtFVOCIMember" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsAtFVOCIMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsAtFVOCIMember" xlink:to="lab_bsac_FinancialAssetsAtFVOCIMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfInvestmentsInAssociatesAndOtherTable_4906d2ad-f73d-4014-8671-259358f21736_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfInvestmentsInAssociatesAndOtherTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Investments in Associates and Other [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfInvestmentsInAssociatesAndOtherTable_label_en-US" xlink:label="lab_bsac_ScheduleOfInvestmentsInAssociatesAndOtherTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Investments in Associates and Other [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfInvestmentsInAssociatesAndOtherTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfInvestmentsInAssociatesAndOtherTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Investments in Associates and Other [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfInvestmentsInAssociatesAndOtherTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfInvestmentsInAssociatesAndOtherTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfInvestmentsInAssociatesAndOtherTable" xlink:to="lab_bsac_ScheduleOfInvestmentsInAssociatesAndOtherTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OutsourcedServicesAbstract_a4edc467-f27d-4427-a6b3-2bac0ceeef24_terseLabel_en-US" xlink:label="lab_bsac_OutsourcedServicesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outsourced services</link:label>
    <link:label id="lab_bsac_OutsourcedServicesAbstract_label_en-US" xlink:label="lab_bsac_OutsourcedServicesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Outsourced Services Abstract</link:label>
    <link:label id="lab_bsac_OutsourcedServicesAbstract_documentation_en-US" xlink:label="lab_bsac_OutsourcedServicesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Outsourced Services Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OutsourcedServicesAbstract" xlink:href="bsac-20251231.xsd#bsac_OutsourcedServicesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OutsourcedServicesAbstract" xlink:to="lab_bsac_OutsourcedServicesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesOthers_fd0230d4-2c53-47fc-98da-7afda5884820_negatedTerseLabel_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesOthers" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesOthers_label_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesOthers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities Others</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesOthers_documentation_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesOthers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of deferred tax liability attributable to taxable temporary differences classified as other.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxLiabilitiesOthers" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxLiabilitiesOthers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxLiabilitiesOthers" xlink:to="lab_bsac_DeferredTaxLiabilitiesOthers" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RiskManagementLineItems_a2e6e1bb-f50b-47d9-9a20-4a30a6672c06_terseLabel_en-US" xlink:label="lab_bsac_RiskManagementLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk Management [Line Items]</link:label>
    <link:label id="lab_bsac_RiskManagementLineItems_label_en-US" xlink:label="lab_bsac_RiskManagementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Management [Line Items]</link:label>
    <link:label id="lab_bsac_RiskManagementLineItems_documentation_en-US" xlink:label="lab_bsac_RiskManagementLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Management (Details) [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RiskManagementLineItems" xlink:href="bsac-20251231.xsd#bsac_RiskManagementLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RiskManagementLineItems" xlink:to="lab_bsac_RiskManagementLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTable_31275b15-6ae0-4e58-9366-cac4cdeaee85_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Income (Expense) from Financial Operations [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Income (Expense) from Financial Operations [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Income (Expense) from Financial Operations [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTable" xlink:to="lab_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TradeAndOtherCurrentReceivable_6f24471a-fcf7-492e-8dad-a57c7744e8c0_terseLabel_en-US" xlink:label="lab_bsac_TradeAndOtherCurrentReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_TradeAndOtherCurrentReceivable_label_en-US" xlink:label="lab_bsac_TradeAndOtherCurrentReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade And Other Current Receivable</link:label>
    <link:label id="lab_bsac_TradeAndOtherCurrentReceivable_documentation_en-US" xlink:label="lab_bsac_TradeAndOtherCurrentReceivable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current trade receivables and current other receivable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TradeAndOtherCurrentReceivable" xlink:href="bsac-20251231.xsd#bsac_TradeAndOtherCurrentReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TradeAndOtherCurrentReceivable" xlink:to="lab_bsac_TradeAndOtherCurrentReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExchangeRate_019c45ea-82f6-794a-9376-1e5493017ebf_terseLabel_en-US" xlink:label="lab_bsac_ExchangeRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exchange rate</link:label>
    <link:label id="lab_bsac_ExchangeRate_label_en-US" xlink:label="lab_bsac_ExchangeRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exchange Rate</link:label>
    <link:label id="lab_bsac_ExchangeRate_documentation_en-US" xlink:label="lab_bsac_ExchangeRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exchange Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExchangeRate" xlink:href="bsac-20251231.xsd#bsac_ExchangeRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExchangeRate" xlink:to="lab_bsac_ExchangeRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level2OfFairValueHierarchyMember_41ebaa04-fd58-44ee-a74e-089d1ffd43ad_terseLabel_en-US" xlink:label="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 2</link:label>
    <link:label id="lab_ifrs-full_Level2OfFairValueHierarchyMember_9a34820e-6405-4ca0-899f-b2503e9fa229_verboseLabel_en-US" xlink:label="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Stage 2</link:label>
    <link:label id="lab_ifrs-full_Level2OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Level 2 of fair value hierarchy [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level2OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Level2OfFairValueHierarchyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level2OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level2OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NumberOfShareOptionsExercisedInShareBasedPaymentArrangement1_65b6111c-9127-45a4-bd20-2f2c2ef5c2b7_terseLabel_en-US" xlink:label="lab_bsac_NumberOfShareOptionsExercisedInShareBasedPaymentArrangement1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock options exercised (in shares)</link:label>
    <link:label id="lab_bsac_NumberOfShareOptionsExercisedInShareBasedPaymentArrangement1_label_en-US" xlink:label="lab_bsac_NumberOfShareOptionsExercisedInShareBasedPaymentArrangement1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Share Options Exercised In Share-Based Payment Arrangement1</link:label>
    <link:label id="lab_bsac_NumberOfShareOptionsExercisedInShareBasedPaymentArrangement1_documentation_en-US" xlink:label="lab_bsac_NumberOfShareOptionsExercisedInShareBasedPaymentArrangement1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">It represents number of option exercised in share based payment arrangement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NumberOfShareOptionsExercisedInShareBasedPaymentArrangement1" xlink:href="bsac-20251231.xsd#bsac_NumberOfShareOptionsExercisedInShareBasedPaymentArrangement1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NumberOfShareOptionsExercisedInShareBasedPaymentArrangement1" xlink:to="lab_bsac_NumberOfShareOptionsExercisedInShareBasedPaymentArrangement1" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentRegistrationStatement_b1bea080-4e77-4ae9-bfa2-3474b5121a51_terseLabel_en-US" xlink:label="lab_dei_DocumentRegistrationStatement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Registration Statement</link:label>
    <link:label id="lab_dei_DocumentRegistrationStatement_label_en-US" xlink:label="lab_dei_DocumentRegistrationStatement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Registration Statement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentRegistrationStatement" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentRegistrationStatement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentRegistrationStatement" xlink:to="lab_dei_DocumentRegistrationStatement" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMovementsOfSubordinatedBondsTableTextBlock_788cecc1-a207-405f-9350-85a98256ac8e_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMovementsOfSubordinatedBondsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Movements of Subordinated Bonds</link:label>
    <link:label id="lab_bsac_ScheduleOfMovementsOfSubordinatedBondsTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfMovementsOfSubordinatedBondsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Movements Of Subordinated Bonds [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfMovementsOfSubordinatedBondsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMovementsOfSubordinatedBondsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of movements of subordinated bonds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMovementsOfSubordinatedBondsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMovementsOfSubordinatedBondsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfMovementsOfSubordinatedBondsTableTextBlock" xlink:to="lab_bsac_ScheduleOfMovementsOfSubordinatedBondsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory_26479082-44f4-49df-9847-70617d5cc5e1_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee benefits</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for employee benefits [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesOtherCommercialMember_8dc4795c-74b6-4421-9cf8-30e7bd715d09_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesOtherCommercialMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other commercial</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesOtherCommercialMember_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesOtherCommercialMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Other Commercial [Member]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesOtherCommercialMember_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesOtherCommercialMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Other Commercial</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesOtherCommercialMember" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesOtherCommercialMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesOtherCommercialMember" xlink:to="lab_bsac_ExpectedCreditLossesOtherCommercialMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfGrossBalanceTableExplanatoryTableTextBlock_9f8185ef-8e48-4eaf-815f-af5596a5d7fc_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfGrossBalanceTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Gross Balance</link:label>
    <link:label id="lab_bsac_DisclosureOfGrossBalanceTableExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfGrossBalanceTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Gross Balance Table Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfGrossBalanceTableExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfGrossBalanceTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of gross balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfGrossBalanceTableExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfGrossBalanceTableExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfGrossBalanceTableExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfGrossBalanceTableExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IndustrySectorAxisAxis_99b67600-a60f-4691-b5f9-9556e2537128_terseLabel_en-US" xlink:label="lab_bsac_IndustrySectorAxisAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Industry sector [Axis]</link:label>
    <link:label id="lab_bsac_IndustrySectorAxisAxis_label_en-US" xlink:label="lab_bsac_IndustrySectorAxisAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Industry Sector Axis [Axis]</link:label>
    <link:label id="lab_bsac_IndustrySectorAxisAxis_documentation_en-US" xlink:label="lab_bsac_IndustrySectorAxisAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information about industry sector by type.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IndustrySectorAxisAxis" xlink:href="bsac-20251231.xsd#bsac_IndustrySectorAxisAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IndustrySectorAxisAxis" xlink:to="lab_bsac_IndustrySectorAxisAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RealEstateContributions_cf68c94f-a790-479e-b8f3-1c0929deb601_negatedTerseLabel_en-US" xlink:label="lab_bsac_RealEstateContributions" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Real estate taxes</link:label>
    <link:label id="lab_bsac_RealEstateContributions_label_en-US" xlink:label="lab_bsac_RealEstateContributions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Contributions</link:label>
    <link:label id="lab_bsac_RealEstateContributions_documentation_en-US" xlink:label="lab_bsac_RealEstateContributions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Real estate contributions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RealEstateContributions" xlink:href="bsac-20251231.xsd#bsac_RealEstateContributions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RealEstateContributions" xlink:to="lab_bsac_RealEstateContributions" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionUsedOtherProvision_e406e3d1-e434-42d1-b896-ceac576e1fee_terseLabel_en-US" xlink:label="lab_bsac_ProvisionUsedOtherProvision" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for loan losses</link:label>
    <link:label id="lab_bsac_ProvisionUsedOtherProvision_label_en-US" xlink:label="lab_bsac_ProvisionUsedOtherProvision" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision Used Other Provision</link:label>
    <link:label id="lab_bsac_ProvisionUsedOtherProvision_documentation_en-US" xlink:label="lab_bsac_ProvisionUsedOtherProvision" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision used other provision.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionUsedOtherProvision" xlink:href="bsac-20251231.xsd#bsac_ProvisionUsedOtherProvision"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionUsedOtherProvision" xlink:to="lab_bsac_ProvisionUsedOtherProvision" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesTable_047224eb-d32b-4946-b448-1c89b0561743_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Income (Expense) Recorded Due to Transactions With Related Parties [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Income (Expense) Recorded Due to Transactions With Related Parties [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Income (Expense) Recorded Due to Transactions With Related Parties [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesTable" xlink:to="lab_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncreaseDecreaseInOtherFinancialObligations_cfee6b03-a1c8-49aa-8bcb-14c51a19b685_terseLabel_en-US" xlink:label="lab_bsac_IncreaseDecreaseInOtherFinancialObligations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase/(decrease) of other demand liabilities or time obligations</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseInOtherFinancialObligations_label_en-US" xlink:label="lab_bsac_IncreaseDecreaseInOtherFinancialObligations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease In Other Financial Obligations</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseInOtherFinancialObligations_documentation_en-US" xlink:label="lab_bsac_IncreaseDecreaseInOtherFinancialObligations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in other financial obligations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncreaseDecreaseInOtherFinancialObligations" xlink:href="bsac-20251231.xsd#bsac_IncreaseDecreaseInOtherFinancialObligations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncreaseDecreaseInOtherFinancialObligations" xlink:to="lab_bsac_IncreaseDecreaseInOtherFinancialObligations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HeatingAndOtherUtilities_ef4f02a7-bcc2-41a7-80d7-a170094b036b_negatedTerseLabel_en-US" xlink:label="lab_bsac_HeatingAndOtherUtilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Heating, and other utilities</link:label>
    <link:label id="lab_bsac_HeatingAndOtherUtilities_label_en-US" xlink:label="lab_bsac_HeatingAndOtherUtilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Heating And Other Utilities</link:label>
    <link:label id="lab_bsac_HeatingAndOtherUtilities_documentation_en-US" xlink:label="lab_bsac_HeatingAndOtherUtilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about heating and other utilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HeatingAndOtherUtilities" xlink:href="bsac-20251231.xsd#bsac_HeatingAndOtherUtilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HeatingAndOtherUtilities" xlink:to="lab_bsac_HeatingAndOtherUtilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfHedgesAxis_44da7313-1e54-401f-9238-024484029daa_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfHedgesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of hedges [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfHedgesAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfHedgesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of hedges [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfHedgesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfHedgesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfHedgesAxis" xlink:to="lab_ifrs-full_TypesOfHedgesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DueAfterFourYearButWithinFiveYearsMember_cb7b2741-7693-4def-8f26-5fbd074059bc_verboseLabel_en-US" xlink:label="lab_bsac_DueAfterFourYearButWithinFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Due after 4 year but within 5 years</link:label>
    <link:label id="lab_bsac_DueAfterFourYearButWithinFiveYearsMember_label_en-US" xlink:label="lab_bsac_DueAfterFourYearButWithinFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due After Four Year But Within Five Years [Member]</link:label>
    <link:label id="lab_bsac_DueAfterFourYearButWithinFiveYearsMember_documentation_en-US" xlink:label="lab_bsac_DueAfterFourYearButWithinFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Due After Four Year But Within Five Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DueAfterFourYearButWithinFiveYearsMember" xlink:href="bsac-20251231.xsd#bsac_DueAfterFourYearButWithinFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DueAfterFourYearButWithinFiveYearsMember" xlink:to="lab_bsac_DueAfterFourYearButWithinFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ObservabilityMember_ea2210eb-7b41-43df-a9ba-1ed7505935fd_terseLabel_en-US" xlink:label="lab_bsac_ObservabilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Observability</link:label>
    <link:label id="lab_bsac_ObservabilityMember_label_en-US" xlink:label="lab_bsac_ObservabilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Observability [Member]</link:label>
    <link:label id="lab_bsac_ObservabilityMember_documentation_en-US" xlink:label="lab_bsac_ObservabilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Observability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ObservabilityMember" xlink:href="bsac-20251231.xsd#bsac_ObservabilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ObservabilityMember" xlink:to="lab_bsac_ObservabilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesMember_edf3b5fc-9edd-483a-a987-527e6f83a571_terseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease liability</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesMember_bdf4d36f-5af8-4af5-9a5e-cc48424d2898_verboseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilitiesMember_label_en-US" xlink:label="lab_ifrs-full_LeaseLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease liabilities [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseLiabilitiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LeaseLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilitiesMember" xlink:to="lab_ifrs-full_LeaseLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember_f3e616a6-27b0-47cc-a0d7-74bb5ae98582_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collective</link:label>
    <link:label id="lab_ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember_label_en-US" xlink:label="lab_ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected credit losses collectively assessed [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember" xlink:to="lab_ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetsForTradingAtFvtplAbstract_2c2f0c74-4ceb-431b-935b-e1f83e7561e4_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsForTradingAtFvtplAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets for trading at FVTPL</link:label>
    <link:label id="lab_bsac_FinancialAssetsForTradingAtFvtplAbstract_label_en-US" xlink:label="lab_bsac_FinancialAssetsForTradingAtFvtplAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets For Trading At Fvtpl [Abstract]</link:label>
    <link:label id="lab_bsac_FinancialAssetsForTradingAtFvtplAbstract_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsForTradingAtFvtplAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Assets For Trading At Fvtpl</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsForTradingAtFvtplAbstract" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsForTradingAtFvtplAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsForTradingAtFvtplAbstract" xlink:to="lab_bsac_FinancialAssetsForTradingAtFvtplAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PlacementOfPerpetualBondAmount_3da687a2-e220-4fdb-b41d-a9bc8bc67e36_terseLabel_en-US" xlink:label="lab_bsac_PlacementOfPerpetualBondAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount</link:label>
    <link:label id="lab_bsac_PlacementOfPerpetualBondAmount_label_en-US" xlink:label="lab_bsac_PlacementOfPerpetualBondAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Placement Of Perpetual Bond Amount</link:label>
    <link:label id="lab_bsac_PlacementOfPerpetualBondAmount_documentation_en-US" xlink:label="lab_bsac_PlacementOfPerpetualBondAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Placement Of Perpetual Bond Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PlacementOfPerpetualBondAmount" xlink:href="bsac-20251231.xsd#bsac_PlacementOfPerpetualBondAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PlacementOfPerpetualBondAmount" xlink:to="lab_bsac_PlacementOfPerpetualBondAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DemandDepositsAndTimeDeposits_107f81b9-0899-4139-bf02-d92da40ea26d_terseLabel_en-US" xlink:label="lab_bsac_DemandDepositsAndTimeDeposits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits and other demand deposits</link:label>
    <link:label id="lab_bsac_DemandDepositsAndTimeDeposits_label_en-US" xlink:label="lab_bsac_DemandDepositsAndTimeDeposits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Demand Deposits And Time Deposits</link:label>
    <link:label id="lab_bsac_DemandDepositsAndTimeDeposits_documentation_en-US" xlink:label="lab_bsac_DemandDepositsAndTimeDeposits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Demand Deposits And Time Deposits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DemandDepositsAndTimeDeposits" xlink:href="bsac-20251231.xsd#bsac_DemandDepositsAndTimeDeposits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DemandDepositsAndTimeDeposits" xlink:to="lab_bsac_DemandDepositsAndTimeDeposits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LeaseLiabilities_c7979af7-582c-46a0-80da-48a71fa48eb6_terseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilities_3e86cb7b-81d0-4893-938f-0959e601b4da_verboseLabel_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_LeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_LeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LeaseLiabilities" xlink:to="lab_ifrs-full_LeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesDueToCentralBanks_4eaff7c4-9789-4a21-8efe-785e827c7cc5_negatedLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesDueToCentralBanks" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Funds payable</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesDueToCentralBanks_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesDueToCentralBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities due to central banks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesDueToCentralBanks" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LiabilitiesDueToCentralBanks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesDueToCentralBanks" xlink:to="lab_ifrs-full_LiabilitiesDueToCentralBanks" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BondIssuedAmount_019b9e71-9822-747e-88d8-0dbb2d4fdfd2_verboseLabel_en-US" xlink:label="lab_bsac_BondIssuedAmount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Bonds issued, amount</link:label>
    <link:label id="lab_bsac_BondIssuedAmount_label_en-US" xlink:label="lab_bsac_BondIssuedAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bond Issued Amount</link:label>
    <link:label id="lab_bsac_BondIssuedAmount_documentation_en-US" xlink:label="lab_bsac_BondIssuedAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of bond issued.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BondIssuedAmount" xlink:href="bsac-20251231.xsd#bsac_BondIssuedAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BondIssuedAmount" xlink:to="lab_bsac_BondIssuedAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FairValueReserveMember_befa5826-b986-4585-9c5b-fe2d9a38eadc_terseLabel_en-US" xlink:label="lab_bsac_FairValueReserveMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value reserve</link:label>
    <link:label id="lab_bsac_FairValueReserveMember_label_en-US" xlink:label="lab_bsac_FairValueReserveMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Reserve [Member]</link:label>
    <link:label id="lab_bsac_FairValueReserveMember_documentation_en-US" xlink:label="lab_bsac_FairValueReserveMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for fair value reserve.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FairValueReserveMember" xlink:href="bsac-20251231.xsd#bsac_FairValueReserveMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FairValueReserveMember" xlink:to="lab_bsac_FairValueReserveMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetStableFundingRatio_9b2de780-ec44-4b6c-b1c2-1779a31a2745_terseLabel_en-US" xlink:label="lab_bsac_NetStableFundingRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NSFR</link:label>
    <link:label id="lab_bsac_NetStableFundingRatio_label_en-US" xlink:label="lab_bsac_NetStableFundingRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Stable Funding Ratio</link:label>
    <link:label id="lab_bsac_NetStableFundingRatio_documentation_en-US" xlink:label="lab_bsac_NetStableFundingRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of net stable funding ratio is a liquidity standard requiring banks to hold enough stable funding to cover the duration of their long-term assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetStableFundingRatio" xlink:href="bsac-20251231.xsd#bsac_NetStableFundingRatio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetStableFundingRatio" xlink:to="lab_bsac_NetStableFundingRatio" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FoodBeveragesAndTobaccoMember_f940e17b-4237-4926-96cf-c24870216629_terseLabel_en-US" xlink:label="lab_bsac_FoodBeveragesAndTobaccoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Food, beverages and tobacco</link:label>
    <link:label id="lab_bsac_FoodBeveragesAndTobaccoMember_label_en-US" xlink:label="lab_bsac_FoodBeveragesAndTobaccoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Food Beverages And Tobacco [Member]</link:label>
    <link:label id="lab_bsac_FoodBeveragesAndTobaccoMember_documentation_en-US" xlink:label="lab_bsac_FoodBeveragesAndTobaccoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Food Beverages And Tobacco</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FoodBeveragesAndTobaccoMember" xlink:href="bsac-20251231.xsd#bsac_FoodBeveragesAndTobaccoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FoodBeveragesAndTobaccoMember" xlink:to="lab_bsac_FoodBeveragesAndTobaccoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfEquityAxis_3c22f5ff-64df-40cf-bd1c-542af21d5797_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of equity [axis]</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfEquityAxis_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of equity [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComponentsOfEquityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfEquityAxis" xlink:to="lab_ifrs-full_ComponentsOfEquityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BancoSantanderS.A.SpainGroupConsultingServicesMonthlyMember_019b9f64-bbc0-7a3d-b06d-c12f609e7190_terseLabel_en-US" xlink:label="lab_bsac_BancoSantanderS.A.SpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Banco Santander, S.A.| Spain| Group| Consulting Services| Monthly</link:label>
    <link:label id="lab_bsac_BancoSantanderS.A.SpainGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_BancoSantanderS.A.SpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banco Santander, S.A.| Spain| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_BancoSantanderS.A.SpainGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_BancoSantanderS.A.SpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banco Santander, S.A.| Spain| Group| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BancoSantanderS.A.SpainGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_BancoSantanderS.A.SpainGroupConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BancoSantanderS.A.SpainGroupConsultingServicesMonthlyMember" xlink:to="lab_bsac_BancoSantanderS.A.SpainGroupConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EffectiveTaxRatesAndExpensesForIncomeTaxAmount_0729ee2a-3214-4b86-9eda-1250ba3a90c4_totalLabel_en-US" xlink:label="lab_bsac_EffectiveTaxRatesAndExpensesForIncomeTaxAmount" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Effective tax rates and expenses for income tax, amount</link:label>
    <link:label id="lab_bsac_EffectiveTaxRatesAndExpensesForIncomeTaxAmount_label_en-US" xlink:label="lab_bsac_EffectiveTaxRatesAndExpensesForIncomeTaxAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Tax Rates And Expenses For Income Tax Amount</link:label>
    <link:label id="lab_bsac_EffectiveTaxRatesAndExpensesForIncomeTaxAmount_documentation_en-US" xlink:label="lab_bsac_EffectiveTaxRatesAndExpensesForIncomeTaxAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Effective tax rates and expenses for income tax, Amount.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EffectiveTaxRatesAndExpensesForIncomeTaxAmount" xlink:href="bsac-20251231.xsd#bsac_EffectiveTaxRatesAndExpensesForIncomeTaxAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EffectiveTaxRatesAndExpensesForIncomeTaxAmount" xlink:to="lab_bsac_EffectiveTaxRatesAndExpensesForIncomeTaxAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FairValueOfAcquiredReceivables_76db4bcf-65bb-46e6-830f-4947ff07ff83_terseLabel_en-US" xlink:label="lab_ifrs-full_FairValueOfAcquiredReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortised cost</link:label>
    <link:label id="lab_ifrs-full_FairValueOfAcquiredReceivables_label_en-US" xlink:label="lab_ifrs-full_FairValueOfAcquiredReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair value of acquired receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FairValueOfAcquiredReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FairValueOfAcquiredReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FairValueOfAcquiredReceivables" xlink:to="lab_ifrs-full_FairValueOfAcquiredReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HedgedItemOutflowsMember_b78cf900-4d4e-4d3a-a3cf-e20acbcac678_terseLabel_en-US" xlink:label="lab_bsac_HedgedItemOutflowsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outflows</link:label>
    <link:label id="lab_bsac_HedgedItemOutflowsMember_label_en-US" xlink:label="lab_bsac_HedgedItemOutflowsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedged Item Outflows [Member]</link:label>
    <link:label id="lab_bsac_HedgedItemOutflowsMember_documentation_en-US" xlink:label="lab_bsac_HedgedItemOutflowsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hedged Item Outflows</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HedgedItemOutflowsMember" xlink:href="bsac-20251231.xsd#bsac_HedgedItemOutflowsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HedgedItemOutflowsMember" xlink:to="lab_bsac_HedgedItemOutflowsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfProvisionsForContingentLoanRiskLineItems_aba81d38-38cd-43f9-9b6d-971ccfd9c6ce_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfProvisionsForContingentLoanRiskLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Provisions for Contingent Loan Risk [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfProvisionsForContingentLoanRiskLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfProvisionsForContingentLoanRiskLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Provisions for Contingent Loan Risk [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfProvisionsForContingentLoanRiskLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfProvisionsForContingentLoanRiskLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Provisions for Contingent Loan Risk [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfProvisionsForContingentLoanRiskLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfProvisionsForContingentLoanRiskLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfProvisionsForContingentLoanRiskLineItems" xlink:to="lab_bsac_ScheduleOfProvisionsForContingentLoanRiskLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FeesAndCommissionsForFinancialAdvice_542dc9f7-0b91-47d5-b4eb-a103c890e906_verboseLabel_en-US" xlink:label="lab_bsac_FeesAndCommissionsForFinancialAdvice" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fees and commissions for financial advice</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForFinancialAdvice_label_en-US" xlink:label="lab_bsac_FeesAndCommissionsForFinancialAdvice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees And Commissions For Financial Advice</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForFinancialAdvice_documentation_en-US" xlink:label="lab_bsac_FeesAndCommissionsForFinancialAdvice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of fees and commissions for financial advice.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FeesAndCommissionsForFinancialAdvice" xlink:href="bsac-20251231.xsd#bsac_FeesAndCommissionsForFinancialAdvice"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FeesAndCommissionsForFinancialAdvice" xlink:to="lab_bsac_FeesAndCommissionsForFinancialAdvice" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesLineItems_80c727e9-e4bc-4715-9478-388e4ab69858_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of the Bank holds Portfolio of Financial Liabilities [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of the Bank holds Portfolio of Financial Liabilities [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of the Bank holds Portfolio of Financial Liabilities [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesLineItems" xlink:to="lab_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InvestmentsAndOthersMember_34d19519-214d-4e52-81ca-879845b962fb_terseLabel_en-US" xlink:label="lab_bsac_InvestmentsAndOthersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments and others</link:label>
    <link:label id="lab_bsac_InvestmentsAndOthersMember_label_en-US" xlink:label="lab_bsac_InvestmentsAndOthersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments And Others [Member]</link:label>
    <link:label id="lab_bsac_InvestmentsAndOthersMember_documentation_en-US" xlink:label="lab_bsac_InvestmentsAndOthersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A classes of financial assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InvestmentsAndOthersMember" xlink:href="bsac-20251231.xsd#bsac_InvestmentsAndOthersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InvestmentsAndOthersMember" xlink:to="lab_bsac_InvestmentsAndOthersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FairValueOfFinancialAssetsAndLiabilitiesDetailsScheduleOfCreditExposureInItsFinancialDerivativeOperationsLineItems_306c2806-dba2-4e59-b657-170b8ce30cb4_terseLabel_en-US" xlink:label="lab_bsac_FairValueOfFinancialAssetsAndLiabilitiesDetailsScheduleOfCreditExposureInItsFinancialDerivativeOperationsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Credit Exposure in its Financial Derivative Operations [Line Items]</link:label>
    <link:label id="lab_bsac_FairValueOfFinancialAssetsAndLiabilitiesDetailsScheduleOfCreditExposureInItsFinancialDerivativeOperationsLineItems_label_en-US" xlink:label="lab_bsac_FairValueOfFinancialAssetsAndLiabilitiesDetailsScheduleOfCreditExposureInItsFinancialDerivativeOperationsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value of Financial Assets and Liabilities (Details) - Schedule of Credit Exposure in its Financial Derivative Operations [Line Items]</link:label>
    <link:label id="lab_bsac_FairValueOfFinancialAssetsAndLiabilitiesDetailsScheduleOfCreditExposureInItsFinancialDerivativeOperationsLineItems_documentation_en-US" xlink:label="lab_bsac_FairValueOfFinancialAssetsAndLiabilitiesDetailsScheduleOfCreditExposureInItsFinancialDerivativeOperationsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Credit Exposure in its Financial Derivative Operations [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FairValueOfFinancialAssetsAndLiabilitiesDetailsScheduleOfCreditExposureInItsFinancialDerivativeOperationsLineItems" xlink:href="bsac-20251231.xsd#bsac_FairValueOfFinancialAssetsAndLiabilitiesDetailsScheduleOfCreditExposureInItsFinancialDerivativeOperationsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FairValueOfFinancialAssetsAndLiabilitiesDetailsScheduleOfCreditExposureInItsFinancialDerivativeOperationsLineItems" xlink:to="lab_bsac_FairValueOfFinancialAssetsAndLiabilitiesDetailsScheduleOfCreditExposureInItsFinancialDerivativeOperationsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Between1And3YearsMember_a0caffc6-3527-4da8-ad01-5ce6570957a6_terseLabel_en-US" xlink:label="lab_bsac_Between1And3YearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Between 1 and 3 years</link:label>
    <link:label id="lab_bsac_Between1And3YearsMember_label_en-US" xlink:label="lab_bsac_Between1And3YearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Between1 And3 Years [Member]</link:label>
    <link:label id="lab_bsac_Between1And3YearsMember_documentation_en-US" xlink:label="lab_bsac_Between1And3YearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Between1 And3 Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Between1And3YearsMember" xlink:href="bsac-20251231.xsd#bsac_Between1And3YearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Between1And3YearsMember" xlink:to="lab_bsac_Between1And3YearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A1XBSTDBI0525Member_019bf9be-3510-75f1-b3c5-9517c05e5536_terseLabel_en-US" xlink:label="lab_bsac_A1XBSTDBI0525Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">1XBSTDBI0525</link:label>
    <link:label id="lab_bsac_A1XBSTDBI0525Member_label_en-US" xlink:label="lab_bsac_A1XBSTDBI0525Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">1XBSTDBI0525 [Member]</link:label>
    <link:label id="lab_bsac_A1XBSTDBI0525Member_documentation_en-US" xlink:label="lab_bsac_A1XBSTDBI0525Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">1XBSTDBI0525</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A1XBSTDBI0525Member" xlink:href="bsac-20251231.xsd#bsac_A1XBSTDBI0525Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A1XBSTDBI0525Member" xlink:to="lab_bsac_A1XBSTDBI0525Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithCentralBankOfChile_2d5f7014-e682-455e-ae70-d5789254b7b9_terseLabel_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithCentralBankOfChile" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase/(decrease) of obligations with Central Bank of Chile</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithCentralBankOfChile_label_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithCentralBankOfChile" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Decrease Increase In Obligations With Central Bank Of Chile</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithCentralBankOfChile_documentation_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithCentralBankOfChile" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustments for decrease increase in obligations with central bank of Chile.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithCentralBankOfChile" xlink:href="bsac-20251231.xsd#bsac_AdjustmentsForDecreaseIncreaseInObligationsWithCentralBankOfChile"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithCentralBankOfChile" xlink:to="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithCentralBankOfChile" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_UnfavorableScenarioTwoMember_13443361-b695-4342-a8bf-fd6e9e128ec4_terseLabel_en-US" xlink:label="lab_bsac_UnfavorableScenarioTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unfavorable scenario 2</link:label>
    <link:label id="lab_bsac_UnfavorableScenarioTwoMember_019b3722-3bc1-7c41-a304-5610e2b01b45_verboseLabel_en-US" xlink:label="lab_bsac_UnfavorableScenarioTwoMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unfavorable scenarios 1</link:label>
    <link:label id="lab_bsac_UnfavorableScenarioTwoMember_label_en-US" xlink:label="lab_bsac_UnfavorableScenarioTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unfavorable Scenario Two [Member]</link:label>
    <link:label id="lab_bsac_UnfavorableScenarioTwoMember_documentation_en-US" xlink:label="lab_bsac_UnfavorableScenarioTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for unfavorable scenario two.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_UnfavorableScenarioTwoMember" xlink:href="bsac-20251231.xsd#bsac_UnfavorableScenarioTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_UnfavorableScenarioTwoMember" xlink:to="lab_bsac_UnfavorableScenarioTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsNetCompensationAmount_a2ff2638-3700-4e7b-bb47-2c71f45dc9b0_terseLabel_en-US" xlink:label="lab_bsac_AssetsNetCompensationAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net amount presented in balance</link:label>
    <link:label id="lab_bsac_AssetsNetCompensationAmount_label_en-US" xlink:label="lab_bsac_AssetsNetCompensationAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Net Compensation Amount</link:label>
    <link:label id="lab_bsac_AssetsNetCompensationAmount_documentation_en-US" xlink:label="lab_bsac_AssetsNetCompensationAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about assets net compensation amount.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsNetCompensationAmount" xlink:href="bsac-20251231.xsd#bsac_AssetsNetCompensationAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsNetCompensationAmount" xlink:to="lab_bsac_AssetsNetCompensationAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SellingGeneralAndAdministrativeExpense_8247c139-aa8b-46b6-9e1c-5a5c5c24722d_negatedLabel_en-US" xlink:label="lab_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Administrative expenses</link:label>
    <link:label id="lab_ifrs-full_SellingGeneralAndAdministrativeExpense_label_en-US" xlink:label="lab_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling, general and administrative expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SellingGeneralAndAdministrativeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:to="lab_ifrs-full_SellingGeneralAndAdministrativeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderSASociedadSecuritizadoraMember_a3d71033-1524-430b-86ad-c091e737287c_terseLabel_en-US" xlink:label="lab_bsac_SantanderSASociedadSecuritizadoraMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander S.A. Sociedad Securitizadora</link:label>
    <link:label id="lab_bsac_SantanderSASociedadSecuritizadoraMember_label_en-US" xlink:label="lab_bsac_SantanderSASociedadSecuritizadoraMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander SASociedad Securitizadora [Member]</link:label>
    <link:label id="lab_bsac_SantanderSASociedadSecuritizadoraMember_documentation_en-US" xlink:label="lab_bsac_SantanderSASociedadSecuritizadoraMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander SASociedad Securitizadora</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderSASociedadSecuritizadoraMember" xlink:href="bsac-20251231.xsd#bsac_SantanderSASociedadSecuritizadoraMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderSASociedadSecuritizadoraMember" xlink:to="lab_bsac_SantanderSASociedadSecuritizadoraMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTableTextBlock_57ab65cf-fc34-42d1-b2f3-02d146e24f55_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Business Operations of the Bank With their Clients</link:label>
    <link:label id="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Business Operations Of The Bank With Their Clients [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Business Operations Of The Bank With Their Clients</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTableTextBlock" xlink:to="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommercialLoans_75586a92-607b-4eb2-8faf-cdea8577b9a9_terseLabel_en-US" xlink:label="lab_bsac_CommercialLoans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial loans</link:label>
    <link:label id="lab_bsac_CommercialLoans_label_en-US" xlink:label="lab_bsac_CommercialLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial Loans</link:label>
    <link:label id="lab_bsac_CommercialLoans_documentation_en-US" xlink:label="lab_bsac_CommercialLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercial loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommercialLoans" xlink:href="bsac-20251231.xsd#bsac_CommercialLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommercialLoans" xlink:to="lab_bsac_CommercialLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BancoSantanderMember_019bf955-5cd2-79ba-ae6f-7126d51e183a_terseLabel_en-US" xlink:label="lab_bsac_BancoSantanderMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Banco Santander</link:label>
    <link:label id="lab_bsac_BancoSantanderMember_label_en-US" xlink:label="lab_bsac_BancoSantanderMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banco Santander [Member]</link:label>
    <link:label id="lab_bsac_BancoSantanderMember_documentation_en-US" xlink:label="lab_bsac_BancoSantanderMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banco Santander</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BancoSantanderMember" xlink:href="bsac-20251231.xsd#bsac_BancoSantanderMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BancoSantanderMember" xlink:to="lab_bsac_BancoSantanderMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RiskWeightedAssetsRWA_9146cb07-03d2-4306-bc6b-01e9dd1f5c5d_totalLabel_en-US" xlink:label="lab_bsac_RiskWeightedAssetsRWA" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">= (8.a/8.b+9+10) Risk Weighted Assets (RWA)</link:label>
    <link:label id="lab_bsac_RiskWeightedAssetsRWA_label_en-US" xlink:label="lab_bsac_RiskWeightedAssetsRWA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Weighted Assets RWA</link:label>
    <link:label id="lab_bsac_RiskWeightedAssetsRWA_documentation_en-US" xlink:label="lab_bsac_RiskWeightedAssetsRWA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of risk weighted assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RiskWeightedAssetsRWA" xlink:href="bsac-20251231.xsd#bsac_RiskWeightedAssetsRWA"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RiskWeightedAssetsRWA" xlink:to="lab_bsac_RiskWeightedAssetsRWA" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FeesAndCommissionIncome_d82b80ae-18ef-4a16-bdd7-8d0ae9a22af4_terseLabel_en-US" xlink:label="lab_bsac_FeesAndCommissionIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net fee and commission income</link:label>
    <link:label id="lab_bsac_FeesAndCommissionIncome_label_en-US" xlink:label="lab_bsac_FeesAndCommissionIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees And Commission Income</link:label>
    <link:label id="lab_bsac_FeesAndCommissionIncome_documentation_en-US" xlink:label="lab_bsac_FeesAndCommissionIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of fees and commission income, resulting from related party transactions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FeesAndCommissionIncome" xlink:href="bsac-20251231.xsd#bsac_FeesAndCommissionIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FeesAndCommissionIncome" xlink:to="lab_bsac_FeesAndCommissionIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeFromNonCurrentAssetsAndGroupsAvailableForSaleNotAdmissibleAsDiscontinuedOperationsAbstract_label_en-US" xlink:label="lab_bsac_NetIncomeFromNonCurrentAssetsAndGroupsAvailableForSaleNotAdmissibleAsDiscontinuedOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income from Non-Current Assets and Groups Available for Sale Not Admissible as Discontinued Operations [Abstract]</link:label>
    <link:label id="lab_bsac_NetIncomeFromNonCurrentAssetsAndGroupsAvailableForSaleNotAdmissibleAsDiscontinuedOperationsAbstract_documentation_en-US" xlink:label="lab_bsac_NetIncomeFromNonCurrentAssetsAndGroupsAvailableForSaleNotAdmissibleAsDiscontinuedOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Income from Non-Current Assets and Groups Available for Sale Not Admissible as Discontinued Operations [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeFromNonCurrentAssetsAndGroupsAvailableForSaleNotAdmissibleAsDiscontinuedOperationsAbstract" xlink:href="bsac-20251231.xsd#bsac_NetIncomeFromNonCurrentAssetsAndGroupsAvailableForSaleNotAdmissibleAsDiscontinuedOperationsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomeFromNonCurrentAssetsAndGroupsAvailableForSaleNotAdmissibleAsDiscontinuedOperationsAbstract" xlink:to="lab_bsac_NetIncomeFromNonCurrentAssetsAndGroupsAvailableForSaleNotAdmissibleAsDiscontinuedOperationsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionIncomeOfficeBanking_518d4ee1-a2fa-4e40-b910-c300011bb86c_terseLabel_en-US" xlink:label="lab_bsac_CommissionIncomeOfficeBanking" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Office banking</link:label>
    <link:label id="lab_bsac_CommissionIncomeOfficeBanking_label_en-US" xlink:label="lab_bsac_CommissionIncomeOfficeBanking" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commission Income, Office Banking</link:label>
    <link:label id="lab_bsac_CommissionIncomeOfficeBanking_documentation_en-US" xlink:label="lab_bsac_CommissionIncomeOfficeBanking" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commission Income, Office Banking</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionIncomeOfficeBanking" xlink:href="bsac-20251231.xsd#bsac_CommissionIncomeOfficeBanking"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionIncomeOfficeBanking" xlink:to="lab_bsac_CommissionIncomeOfficeBanking" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3LineItems_26a5c08b-3360-4305-a96a-18dc66997d66_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3LineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Instruments Classified As Level 3 [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3LineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3LineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Instruments Classified As Level 3 [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3LineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3LineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Instruments Classified As Level 3 [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3LineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3LineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3LineItems" xlink:to="lab_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3LineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsTable_a98aa221-f528-422b-99ae-1a121c41a733_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value of these Equity Investments [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value of these Equity Investments [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value of these Equity Investments [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFairValueOfTheseEquityInvestmentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsTable" xlink:to="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RightofuseAssets_8b5c8ad2-c516-490b-972a-02be82bb0cc0_terseLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Right of use assets</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssets_ec4f173c-c46f-40ce-bbc8-ac1256e2b612_totalLabel_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net balance</link:label>
    <link:label id="lab_ifrs-full_RightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_RightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RightofuseAssets" xlink:to="lab_ifrs-full_RightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SaudiNationalBankMember_78b428fc-607d-46bd-9dad-9863d5bf26be_terseLabel_en-US" xlink:label="lab_bsac_SaudiNationalBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Saudi National Bank</link:label>
    <link:label id="lab_bsac_SaudiNationalBankMember_label_en-US" xlink:label="lab_bsac_SaudiNationalBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Saudi National Bank [Member]</link:label>
    <link:label id="lab_bsac_SaudiNationalBankMember_documentation_en-US" xlink:label="lab_bsac_SaudiNationalBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Saudi National Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SaudiNationalBankMember" xlink:href="bsac-20251231.xsd#bsac_SaudiNationalBankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SaudiNationalBankMember" xlink:to="lab_bsac_SaudiNationalBankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_73977806-1f40-4da4-bf1a-3158a41ba21a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of cash and cash equivalents [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCashAndCashEquivalentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForDescriptionOfAccountingPolicyForNonControllingInterestExplanatoryNonControllingInterestExplanatoryPolicyTextBlock_9c2978b4-3d4d-4fa4-a2b6-9b3ddc7282c7_terseLabel_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForDescriptionOfAccountingPolicyForNonControllingInterestExplanatoryNonControllingInterestExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interest</link:label>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForDescriptionOfAccountingPolicyForNonControllingInterestExplanatoryNonControllingInterestExplanatoryPolicyTextBlock_label_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForDescriptionOfAccountingPolicyForNonControllingInterestExplanatoryNonControllingInterestExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Description Of Accounting Policy For Non Controlling Interest Explanatory Non Controlling Interest Explanatory [Policy Text Block]</link:label>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForDescriptionOfAccountingPolicyForNonControllingInterestExplanatoryNonControllingInterestExplanatoryPolicyTextBlock_documentation_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForDescriptionOfAccountingPolicyForNonControllingInterestExplanatoryNonControllingInterestExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The description of the entity's accounting policy for non-controlling interest.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DescriptionOfAccountingPolicyForDescriptionOfAccountingPolicyForNonControllingInterestExplanatoryNonControllingInterestExplanatoryPolicyTextBlock" xlink:href="bsac-20251231.xsd#bsac_DescriptionOfAccountingPolicyForDescriptionOfAccountingPolicyForNonControllingInterestExplanatoryNonControllingInterestExplanatoryPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DescriptionOfAccountingPolicyForDescriptionOfAccountingPolicyForNonControllingInterestExplanatoryNonControllingInterestExplanatoryPolicyTextBlock" xlink:to="lab_bsac_DescriptionOfAccountingPolicyForDescriptionOfAccountingPolicyForNonControllingInterestExplanatoryNonControllingInterestExplanatoryPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Liabilities_f66e0a98-8c29-46a5-9532-6741d5d9b256_totalLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">TOTAL LIABILITIES</link:label>
    <link:label id="lab_ifrs-full_Liabilities_4b744b45-13ee-42d9-a50a-23ae6557a546_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance</link:label>
    <link:label id="lab_ifrs-full_Liabilities_1ba58e04-9275-4a51-a8f1-573356351e09_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance</link:label>
    <link:label id="lab_ifrs-full_Liabilities_label_en-US" xlink:label="lab_ifrs-full_Liabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Liabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Liabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Liabilities" xlink:to="lab_ifrs-full_Liabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits_e6bc3215-615d-4ca9-8107-d85b22f31ab5_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for other personnel benefits</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation, other long-term employee benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationOtherLongtermBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfCompositionOfLeaseLiabilityBalancesTable_b18c3704-feee-45b6-94fe-c1a6c90c21df_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfCompositionOfLeaseLiabilityBalancesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Composition of Lease Liability Balances [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfCompositionOfLeaseLiabilityBalancesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfCompositionOfLeaseLiabilityBalancesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Composition of Lease Liability Balances [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfCompositionOfLeaseLiabilityBalancesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfCompositionOfLeaseLiabilityBalancesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Composition of Lease Liability Balances [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfCompositionOfLeaseLiabilityBalancesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfCompositionOfLeaseLiabilityBalancesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfCompositionOfLeaseLiabilityBalancesTable" xlink:to="lab_bsac_ScheduleOfCompositionOfLeaseLiabilityBalancesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCost_fd41fde6-dcb9-4cf9-bdce-2b6c9d7ec011_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and account receivable from customers</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCost_79853020-f965-4cff-bce3-93e79bdccce6_verboseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtAmortisedCost_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtAmortisedCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtAmortisedCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtAmortisedCost" xlink:to="lab_ifrs-full_FinancialAssetsAtAmortisedCost" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutBanksDebtsBothCurrentAndNoncurrentTableTextBlock_8dc3f06a-cc66-485c-816e-87f3058b4a33_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutBanksDebtsBothCurrentAndNoncurrentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Bank&#8217;s Debts, both Current and Non-Current</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutBanksDebtsBothCurrentAndNoncurrentTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutBanksDebtsBothCurrentAndNoncurrentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Banks Debts Both Current And Noncurrent [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutBanksDebtsBothCurrentAndNoncurrentTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutBanksDebtsBothCurrentAndNoncurrentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of bank&#8217;s debts, both current and non-current.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutBanksDebtsBothCurrentAndNoncurrentTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutBanksDebtsBothCurrentAndNoncurrentTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutBanksDebtsBothCurrentAndNoncurrentTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutBanksDebtsBothCurrentAndNoncurrentTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SummaryOfCurrentTaxLiabilitiesAssetsAbstract_f49e685e-ea7a-4cdb-8cc0-9793bc1a447a_terseLabel_en-US" xlink:label="lab_bsac_SummaryOfCurrentTaxLiabilitiesAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of current tax liabilities (assets)</link:label>
    <link:label id="lab_bsac_SummaryOfCurrentTaxLiabilitiesAssetsAbstract_label_en-US" xlink:label="lab_bsac_SummaryOfCurrentTaxLiabilitiesAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Summary Of Current Tax Liabilities Assets Abstract</link:label>
    <link:label id="lab_bsac_SummaryOfCurrentTaxLiabilitiesAssetsAbstract_documentation_en-US" xlink:label="lab_bsac_SummaryOfCurrentTaxLiabilitiesAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Summary Of Current Tax Liabilities Assets Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SummaryOfCurrentTaxLiabilitiesAssetsAbstract" xlink:href="bsac-20251231.xsd#bsac_SummaryOfCurrentTaxLiabilitiesAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SummaryOfCurrentTaxLiabilitiesAssetsAbstract" xlink:to="lab_bsac_SummaryOfCurrentTaxLiabilitiesAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChileanBankDebtFinancialInstrumentsMember_f480f309-abeb-486d-8d41-4e2e96f2ee49_terseLabel_en-US" xlink:label="lab_bsac_ChileanBankDebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Chilean bank financial instruments</link:label>
    <link:label id="lab_bsac_ChileanBankDebtFinancialInstrumentsMember_label_en-US" xlink:label="lab_bsac_ChileanBankDebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chilean Bank Debt Financial Instruments [Member]</link:label>
    <link:label id="lab_bsac_ChileanBankDebtFinancialInstrumentsMember_documentation_en-US" xlink:label="lab_bsac_ChileanBankDebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chilean Bank Debt Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChileanBankDebtFinancialInstrumentsMember" xlink:href="bsac-20251231.xsd#bsac_ChileanBankDebtFinancialInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChileanBankDebtFinancialInstrumentsMember" xlink:to="lab_bsac_ChileanBankDebtFinancialInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CurrentCreditForTrainingExpenses_60ad0e24-abe5-4357-8f0e-464e99e723b3_negatedTerseLabel_en-US" xlink:label="lab_bsac_CurrentCreditForTrainingExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Credit for training expenses</link:label>
    <link:label id="lab_bsac_CurrentCreditForTrainingExpenses_label_en-US" xlink:label="lab_bsac_CurrentCreditForTrainingExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Credit For Training Expenses</link:label>
    <link:label id="lab_bsac_CurrentCreditForTrainingExpenses_documentation_en-US" xlink:label="lab_bsac_CurrentCreditForTrainingExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current credit for training expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CurrentCreditForTrainingExpenses" xlink:href="bsac-20251231.xsd#bsac_CurrentCreditForTrainingExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CurrentCreditForTrainingExpenses" xlink:to="lab_bsac_CurrentCreditForTrainingExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilities_609c125b-0347-4047-a882-9d7453729d83_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilities_59de79a2-09c1-4a2e-a108-5af204156d44_netLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilities" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Other financial liabilities</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilities_8e9e761b-baea-47be-90f6-65483f5cb534_verboseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Book value, liabilities</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilities" xlink:to="lab_ifrs-full_FinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_b46bf5c0-36a4-4f85-bafd-fe34b658d18b_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus" xlink:to="lab_dei_DocumentFiscalPeriodFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesAssetsReceivedInLieuOfPayment_c7559bfe-c9d6-4831-99ff-eb71cf5cd2f1_negatedTerseLabel_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesAssetsReceivedInLieuOfPayment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Assets received in lieu of payment</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesAssetsReceivedInLieuOfPayment_label_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesAssetsReceivedInLieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Assets Received In Lieu Of Payment</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesAssetsReceivedInLieuOfPayment_documentation_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesAssetsReceivedInLieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Assets Received In Lieu Of Payment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxLiabilitiesAssetsReceivedInLieuOfPayment" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxLiabilitiesAssetsReceivedInLieuOfPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxLiabilitiesAssetsReceivedInLieuOfPayment" xlink:to="lab_bsac_DeferredTaxLiabilitiesAssetsReceivedInLieuOfPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TeatinosSigloXXIInversionesLimitadaMember_756c434f-0e5a-452c-ba9e-a063fc515d99_terseLabel_en-US" xlink:label="lab_bsac_TeatinosSigloXXIInversionesLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Teatinos Siglo XXI Inversiones S.A.</link:label>
    <link:label id="lab_bsac_TeatinosSigloXXIInversionesLimitadaMember_label_en-US" xlink:label="lab_bsac_TeatinosSigloXXIInversionesLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Teatinos Siglo XXIInversiones Limitada [Member]</link:label>
    <link:label id="lab_bsac_TeatinosSigloXXIInversionesLimitadaMember_documentation_en-US" xlink:label="lab_bsac_TeatinosSigloXXIInversionesLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Teatinos Siglo XXIInversiones Limitada</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TeatinosSigloXXIInversionesLimitadaMember" xlink:href="bsac-20251231.xsd#bsac_TeatinosSigloXXIInversionesLimitadaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TeatinosSigloXXIInversionesLimitadaMember" xlink:to="lab_bsac_TeatinosSigloXXIInversionesLimitadaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_March2024SeniorJPYMember_1c0034de-2fc9-4a92-aa2a-9bb61c1fe1fa_terseLabel_en-US" xlink:label="lab_bsac_March2024SeniorJPYMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">March 2024, Senior, JPY</link:label>
    <link:label id="lab_bsac_March2024SeniorJPYMember_label_en-US" xlink:label="lab_bsac_March2024SeniorJPYMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">March 2024, Senior, JPY [Member]</link:label>
    <link:label id="lab_bsac_March2024SeniorJPYMember_documentation_en-US" xlink:label="lab_bsac_March2024SeniorJPYMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">March 2024, Senior, JPY</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_March2024SeniorJPYMember" xlink:href="bsac-20251231.xsd#bsac_March2024SeniorJPYMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_March2024SeniorJPYMember" xlink:to="lab_bsac_March2024SeniorJPYMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfEffectiveInterestRateDeterminedOnDateOfReclassification_3b965682-a668-448f-9cd3-74b6e02ce001_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfEffectiveInterestRateDeterminedOnDateOfReclassification" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profit or loss, percentage</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfEffectiveInterestRateDeterminedOnDateOfReclassification_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfEffectiveInterestRateDeterminedOnDateOfReclassification" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective interest rate determined on date of reclassification for assets reclassified out of fair value through profit or loss category into amortised cost or fair value through other comprehensive income category</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfEffectiveInterestRateDeterminedOnDateOfReclassification" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfEffectiveInterestRateDeterminedOnDateOfReclassification"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfEffectiveInterestRateDeterminedOnDateOfReclassification" xlink:to="lab_ifrs-full_DescriptionOfEffectiveInterestRateDeterminedOnDateOfReclassification" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AccumulatedAmortizationsGrossBalance_bb82245e-8a79-457e-a79c-ea998861130f_periodStartLabel_en-US" xlink:label="lab_bsac_AccumulatedAmortizationsGrossBalance" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Accumulated amortization, beginning balance</link:label>
    <link:label id="lab_bsac_AccumulatedAmortizationsGrossBalance_label_en-US" xlink:label="lab_bsac_AccumulatedAmortizationsGrossBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Amortizations Gross Balance</link:label>
    <link:label id="lab_bsac_AccumulatedAmortizationsGrossBalance_documentation_en-US" xlink:label="lab_bsac_AccumulatedAmortizationsGrossBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accumulated amortization, beginning balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AccumulatedAmortizationsGrossBalance" xlink:href="bsac-20251231.xsd#bsac_AccumulatedAmortizationsGrossBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AccumulatedAmortizationsGrossBalance" xlink:to="lab_bsac_AccumulatedAmortizationsGrossBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_ca8cdef3-a1b4-4635-853b-21b9eb56b0d7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of share capital, reserves and other equity interest [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:to="lab_ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentType_f7034369-a619-4190-a5db-872f90635d47_terseLabel_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_label_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentType"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType" xlink:to="lab_dei_DocumentType" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesLineItems_6c333fd6-daf6-4e0c-8b89-ca6813b6dc73_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Time Deposits and Other Time Liabilities [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Time Deposits and Other Time Liabilities [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Time Deposits and Other Time Liabilities [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesLineItems" xlink:to="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RetainedEarningsOfPriorYearsMember_41213c83-8f97-4ded-b324-2336e0ba9a9d_terseLabel_en-US" xlink:label="lab_bsac_RetainedEarningsOfPriorYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained earnings of prior years</link:label>
    <link:label id="lab_bsac_RetainedEarningsOfPriorYearsMember_label_en-US" xlink:label="lab_bsac_RetainedEarningsOfPriorYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings Of Prior Years [Member]</link:label>
    <link:label id="lab_bsac_RetainedEarningsOfPriorYearsMember_documentation_en-US" xlink:label="lab_bsac_RetainedEarningsOfPriorYearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Retained earnings of prior years.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RetainedEarningsOfPriorYearsMember" xlink:href="bsac-20251231.xsd#bsac_RetainedEarningsOfPriorYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RetainedEarningsOfPriorYearsMember" xlink:to="lab_bsac_RetainedEarningsOfPriorYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations_24b33144-3b1d-4142-910f-f48dac977911_terseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted earnings (in Pesos per share)</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations_label_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Diluted earnings (loss) per share from continuing operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations" xlink:to="lab_ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AmericanDepositoryReceipts_196e2cfa-9478-417a-820c-6ceb40a59bd6_terseLabel_en-US" xlink:label="lab_bsac_AmericanDepositoryReceipts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">American Depository Receipts (ADRs) (in shares)</link:label>
    <link:label id="lab_bsac_AmericanDepositoryReceipts_label_en-US" xlink:label="lab_bsac_AmericanDepositoryReceipts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">American Depository Receipts</link:label>
    <link:label id="lab_bsac_AmericanDepositoryReceipts_documentation_en-US" xlink:label="lab_bsac_AmericanDepositoryReceipts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of shares that have been subject to American Depository Receipt.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AmericanDepositoryReceipts" xlink:href="bsac-20251231.xsd#bsac_AmericanDepositoryReceipts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AmericanDepositoryReceipts" xlink:to="lab_bsac_AmericanDepositoryReceipts" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NotionalAmountFairValue_fb984b7a-6324-46eb-8463-8241f7782f98_terseLabel_en-US" xlink:label="lab_bsac_NotionalAmountFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notional amount</link:label>
    <link:label id="lab_bsac_NotionalAmountFairValue_label_en-US" xlink:label="lab_bsac_NotionalAmountFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notional Amount Fair Value</link:label>
    <link:label id="lab_bsac_NotionalAmountFairValue_documentation_en-US" xlink:label="lab_bsac_NotionalAmountFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notional Amount Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NotionalAmountFairValue" xlink:href="bsac-20251231.xsd#bsac_NotionalAmountFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NotionalAmountFairValue" xlink:to="lab_bsac_NotionalAmountFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionForLoanLossesForOtherFinancialAssetsAtAmortizedCostAndFinancialAssetsAtFairValue_671c7f99-8405-4c4a-9393-fb6f267ef2de_terseLabel_en-US" xlink:label="lab_bsac_ProvisionForLoanLossesForOtherFinancialAssetsAtAmortizedCostAndFinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for loan losses for other financial assets at amortised cost and financial assets at fair value through OCI</link:label>
    <link:label id="lab_bsac_ProvisionForLoanLossesForOtherFinancialAssetsAtAmortizedCostAndFinancialAssetsAtFairValue_label_en-US" xlink:label="lab_bsac_ProvisionForLoanLossesForOtherFinancialAssetsAtAmortizedCostAndFinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision For Loan Losses For Other Financial Assets At Amortized Cost And Financial Assets At Fair Value</link:label>
    <link:label id="lab_bsac_ProvisionForLoanLossesForOtherFinancialAssetsAtAmortizedCostAndFinancialAssetsAtFairValue_documentation_en-US" xlink:label="lab_bsac_ProvisionForLoanLossesForOtherFinancialAssetsAtAmortizedCostAndFinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision For Loan Losses For Other Financial Assets At Amortized Cost And Financial Assets At Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionForLoanLossesForOtherFinancialAssetsAtAmortizedCostAndFinancialAssetsAtFairValue" xlink:href="bsac-20251231.xsd#bsac_ProvisionForLoanLossesForOtherFinancialAssetsAtAmortizedCostAndFinancialAssetsAtFairValue"/>
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    <link:label id="lab_bsac_MortgageLoansMember_e93e8f92-2b9c-40ef-9668-e1d2d28b0276_verboseLabel_en-US" xlink:label="lab_bsac_MortgageLoansMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Mortgage loans</link:label>
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    <link:label id="lab_ifrs-full_BottomOfRangeMember_0df4111f-ee17-4529-8ce4-5a012a60ca7e_terseLabel_en-US" xlink:label="lab_ifrs-full_BottomOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Low</link:label>
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    <link:label id="lab_bsac_IncomeTaxExpenseAbstract_c5ccbf22-1ee2-4668-ba13-1f1bac991f93_terseLabel_en-US" xlink:label="lab_bsac_IncomeTaxExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax expense</link:label>
    <link:label id="lab_bsac_IncomeTaxExpenseAbstract_label_en-US" xlink:label="lab_bsac_IncomeTaxExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Expense Abstract</link:label>
    <link:label id="lab_bsac_IncomeTaxExpenseAbstract_documentation_en-US" xlink:label="lab_bsac_IncomeTaxExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income Tax Expense Abstract</link:label>
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    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory_04ff5f1a-2f00-4bdd-b494-d9e1a58c6bbc_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant, and equipment</link:label>
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    <link:label id="lab_bsac_FinancialManagementPortfolioLocalAbstract_bfb04832-8411-49ad-9746-fa2899f5d342_terseLabel_en-US" xlink:label="lab_bsac_FinancialManagementPortfolioLocalAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial management portfolio</link:label>
    <link:label id="lab_bsac_FinancialManagementPortfolioLocalAbstract_label_en-US" xlink:label="lab_bsac_FinancialManagementPortfolioLocalAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Management Portfolio Local [Abstract]</link:label>
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    <link:label id="lab_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities_fa8ad27c-1430-4469-8dd0-57124983b214_negatedLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Purchases of intangible assets</link:label>
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    <link:label id="lab_bsac_OpenDigitalServicesS.L.SpainGroupConsultingServicesMonthlyMember_019bf9fa-e5f1-788a-a622-eab43d0897d4_terseLabel_en-US" xlink:label="lab_bsac_OpenDigitalServicesS.L.SpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Open Digital Services, S.L.| Spain| Group| Consulting Services| Monthly</link:label>
    <link:label id="lab_bsac_OpenDigitalServicesS.L.SpainGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_OpenDigitalServicesS.L.SpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Open Digital Services, S.L.| Spain| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_OpenDigitalServicesS.L.SpainGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_OpenDigitalServicesS.L.SpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Open Digital Services, S.L.| Spain| Group| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OpenDigitalServicesS.L.SpainGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_OpenDigitalServicesS.L.SpainGroupConsultingServicesMonthlyMember"/>
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    <link:label id="lab_ifrs-full_FinanceIncome_9e3a9a1d-6f76-46d4-8c23-92fd757871e8_terseLabel_en-US" xlink:label="lab_ifrs-full_FinanceIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income MCh$</link:label>
    <link:label id="lab_ifrs-full_FinanceIncome_label_en-US" xlink:label="lab_ifrs-full_FinanceIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceIncome"/>
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    <link:label id="lab_ifrs-full_DisclosureOfOtherOperatingExpenseExplanatory_30acc3dd-36df-4592-ae6d-e7c31fc9ca8a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherOperatingExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Operating Income and Expenses</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherOperatingExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherOperatingExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other operating expense [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherOperatingExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherOperatingExpenseExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherOperatingExpenseExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherOperatingExpenseExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfPlacementOfPerpetualBondLineItems_5cdcd5fb-f905-4caf-8ed9-6bd6dc0f7909_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfPlacementOfPerpetualBondLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Placement of Perpetual Bond [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfPlacementOfPerpetualBondLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfPlacementOfPerpetualBondLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Placement of Perpetual Bond [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfPlacementOfPerpetualBondLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfPlacementOfPerpetualBondLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Placement of Perpetual Bond [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfPlacementOfPerpetualBondLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfPlacementOfPerpetualBondLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfPlacementOfPerpetualBondLineItems" xlink:to="lab_bsac_ScheduleOfPlacementOfPerpetualBondLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory_4b78cd1d-fc82-4dec-84ac-c323a20f98c0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non Current Assets and Disposal Groups for Sale</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of non-current assets or disposal groups classified as held for sale [text block]</link:label>
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    <link:label id="lab_bsac_AA10Member_7732c5b0-954b-4222-a96b-97bf0aafc640_terseLabel_en-US" xlink:label="lab_bsac_AA10Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AA10</link:label>
    <link:label id="lab_bsac_AA10Member_label_en-US" xlink:label="lab_bsac_AA10Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AA10 [Member]</link:label>
    <link:label id="lab_bsac_AA10Member_documentation_en-US" xlink:label="lab_bsac_AA10Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">AA10</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AA10Member" xlink:href="bsac-20251231.xsd#bsac_AA10Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AA10Member" xlink:to="lab_bsac_AA10Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfFinancialLiabilitiesDomain_027abfc4-6220-49b0-8eef-0faa743c90e0_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total financial liabilities</link:label>
    <link:label id="lab_ifrs-full_TypesOfFinancialLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of financial liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfFinancialLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfFinancialLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfFinancialLiabilitiesDomain" xlink:to="lab_ifrs-full_TypesOfFinancialLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_YearsOfInsuranceClaimDomain_5a8e1a48-2346-4401-9e43-87cc2ce1f6fd_terseLabel_en-US" xlink:label="lab_ifrs-full_YearsOfInsuranceClaimDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Years of insurance claim [domain]</link:label>
    <link:label id="lab_ifrs-full_YearsOfInsuranceClaimDomain_label_en-US" xlink:label="lab_ifrs-full_YearsOfInsuranceClaimDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Years of insurance claim [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_YearsOfInsuranceClaimDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_YearsOfInsuranceClaimDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_YearsOfInsuranceClaimDomain" xlink:to="lab_ifrs-full_YearsOfInsuranceClaimDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTable_a8748bdf-239f-4348-87cb-71956929995a_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets for Trading at Fair Value through Profit and Loss [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTable_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets for Trading at Fair Value through Profit and Loss [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets for Trading at Fair Value through Profit and Loss [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTable" xlink:to="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationBoardMembersSalariesAndExpenses_e5aebe1c-741f-4125-9cb3-23ddac11deff_terseLabel_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationBoardMembersSalariesAndExpenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Board members&#8217; salaries and expenses</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationBoardMembersSalariesAndExpenses_label_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationBoardMembersSalariesAndExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key Management Personnel Compensation Board Members Salaries And Expenses</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationBoardMembersSalariesAndExpenses_documentation_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationBoardMembersSalariesAndExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of professional compensation paid to key management.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_KeyManagementPersonnelCompensationBoardMembersSalariesAndExpenses" xlink:href="bsac-20251231.xsd#bsac_KeyManagementPersonnelCompensationBoardMembersSalariesAndExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_KeyManagementPersonnelCompensationBoardMembersSalariesAndExpenses" xlink:to="lab_bsac_KeyManagementPersonnelCompensationBoardMembersSalariesAndExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_67e7a5e9-7000-417b-8f41-ef0dc486a17b_terseLabel_en-US" xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment, Name [Axis]</link:label>
    <link:label id="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_label_en-US" xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment, Name [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
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    <link:label id="lab_bsac_BCashFlowsFromInvestmentActivitiesAbstract_59527a00-1a04-4487-b828-f59995989133_terseLabel_en-US" xlink:label="lab_bsac_BCashFlowsFromInvestmentActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">B - CASH FLOWS FROM INVESTMENT ACTIVITIES:</link:label>
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    <link:label id="lab_bsac_BCashFlowsFromInvestmentActivitiesAbstract_documentation_en-US" xlink:label="lab_bsac_BCashFlowsFromInvestmentActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BCash Flows From Investment Activities Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BCashFlowsFromInvestmentActivitiesAbstract" xlink:href="bsac-20251231.xsd#bsac_BCashFlowsFromInvestmentActivitiesAbstract"/>
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    <link:label id="lab_bsac_DisclosureOfFairValueAndTheCorrespondingECLTableTextBlock_4a5d5831-ed3b-4cde-b9cd-ea636c5b98d6_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfFairValueAndTheCorrespondingECLTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value and the Corresponding ECL</link:label>
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    <link:label id="lab_bsac_DisclosureOfFairValueAndTheCorrespondingECLTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfFairValueAndTheCorrespondingECLTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Fair Value And The Corresponding ECL</link:label>
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    <link:label id="lab_bsac_RecoveriesOfExpensesMember_ee3c25a8-117f-49ca-9eb2-44de6462dc75_terseLabel_en-US" xlink:label="lab_bsac_RecoveriesOfExpensesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recoveries of expenses in the period due to operational risk events</link:label>
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    <link:label id="lab_bsac_RecoveriesOfExpensesMember_documentation_en-US" xlink:label="lab_bsac_RecoveriesOfExpensesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Recoveries Of Expenses</link:label>
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    <link:label id="lab_ifrs-full_DividendsPaidOrdinarySharesPerShare_d2d4d62e-5d5b-4024-bcce-e2e2d1a1e9f4_terseLabel_en-US" xlink:label="lab_ifrs-full_DividendsPaidOrdinarySharesPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends paid, ordinary shares per share</link:label>
    <link:label id="lab_ifrs-full_DividendsPaidOrdinarySharesPerShare_label_en-US" xlink:label="lab_ifrs-full_DividendsPaidOrdinarySharesPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends paid, ordinary shares per share</link:label>
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    <link:label id="lab_bsac_DeferredTaxesInEquityAttributableToParent_88efcedc-57c7-4ee1-ba9d-f3c3faab4a8b_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxesInEquityAttributableToParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred taxes in equity attributable to shareholders of the Bank</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxesInEquityAttributableToParent" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxesInEquityAttributableToParent"/>
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    <link:label id="lab_ifrs-full_CarryingAmountMember_f2de2d0c-5eb2-4c1a-98aa-d87fb3a1714c_terseLabel_en-US" xlink:label="lab_ifrs-full_CarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount</link:label>
    <link:label id="lab_ifrs-full_CarryingAmountMember_label_en-US" xlink:label="lab_ifrs-full_CarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Carrying amount [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CarryingAmountMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CarryingAmountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountMember" xlink:to="lab_ifrs-full_CarryingAmountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansFromForeignFinancialInstitutions_17309483-d578-449a-9448-884694be8234_terseLabel_en-US" xlink:label="lab_bsac_LoansFromForeignFinancialInstitutions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans from foreign financial institutions</link:label>
    <link:label id="lab_bsac_LoansFromForeignFinancialInstitutions_label_en-US" xlink:label="lab_bsac_LoansFromForeignFinancialInstitutions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans From Foreign Financial Institutions</link:label>
    <link:label id="lab_bsac_LoansFromForeignFinancialInstitutions_documentation_en-US" xlink:label="lab_bsac_LoansFromForeignFinancialInstitutions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans from foreign financial institutions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansFromForeignFinancialInstitutions" xlink:href="bsac-20251231.xsd#bsac_LoansFromForeignFinancialInstitutions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansFromForeignFinancialInstitutions" xlink:to="lab_bsac_LoansFromForeignFinancialInstitutions" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfFavorableScenarioTwo_2009db02-26c2-485e-b3db-297f81af0293_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfFavorableScenarioTwo" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Favorable scenario 2</link:label>
    <link:label id="lab_bsac_PercentageOfFavorableScenarioTwo_label_en-US" xlink:label="lab_bsac_PercentageOfFavorableScenarioTwo" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Favorable Scenario Two</link:label>
    <link:label id="lab_bsac_PercentageOfFavorableScenarioTwo_documentation_en-US" xlink:label="lab_bsac_PercentageOfFavorableScenarioTwo" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Favorable Scenario Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfFavorableScenarioTwo" xlink:href="bsac-20251231.xsd#bsac_PercentageOfFavorableScenarioTwo"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfFavorableScenarioTwo" xlink:to="lab_bsac_PercentageOfFavorableScenarioTwo" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ContingentCredits_9399fa5d-924f-4109-83c2-2dce901040b6_terseLabel_en-US" xlink:label="lab_bsac_ContingentCredits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent credits</link:label>
    <link:label id="lab_bsac_ContingentCredits_label_en-US" xlink:label="lab_bsac_ContingentCredits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Credits</link:label>
    <link:label id="lab_bsac_ContingentCredits_documentation_en-US" xlink:label="lab_bsac_ContingentCredits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent credits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ContingentCredits" xlink:href="bsac-20251231.xsd#bsac_ContingentCredits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ContingentCredits" xlink:to="lab_bsac_ContingentCredits" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsAxis_0971e56d-f359-4ae0-bd71-5b12fe745f1b_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial assets [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionsForIntermediationAndManagementOfSecurities_ef77a608-1a48-4763-9f8e-6f583cdf804b_terseLabel_en-US" xlink:label="lab_bsac_CommissionsForIntermediationAndManagementOfSecurities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commissions for intermediation and management of securities</link:label>
    <link:label id="lab_bsac_CommissionsForIntermediationAndManagementOfSecurities_label_en-US" xlink:label="lab_bsac_CommissionsForIntermediationAndManagementOfSecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commissions For Intermediation And Management Of Securities</link:label>
    <link:label id="lab_bsac_CommissionsForIntermediationAndManagementOfSecurities_documentation_en-US" xlink:label="lab_bsac_CommissionsForIntermediationAndManagementOfSecurities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of commissions for intermediation and management of securities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionsForIntermediationAndManagementOfSecurities" xlink:href="bsac-20251231.xsd#bsac_CommissionsForIntermediationAndManagementOfSecurities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionsForIntermediationAndManagementOfSecurities" xlink:to="lab_bsac_CommissionsForIntermediationAndManagementOfSecurities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDeferredAndCurrentTaxesInTheFinancialStatementsTableTextBlock_0139a49d-100f-4abb-a928-89b4dd7cfbdd_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDeferredAndCurrentTaxesInTheFinancialStatementsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of the Deferred Taxes and Current Taxes in Financial Statements</link:label>
    <link:label id="lab_bsac_DisclosureOfDeferredAndCurrentTaxesInTheFinancialStatementsTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDeferredAndCurrentTaxesInTheFinancialStatementsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Deferred And Current Taxes In The Financial Statements [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDeferredAndCurrentTaxesInTheFinancialStatementsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDeferredAndCurrentTaxesInTheFinancialStatementsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Deferred And Current Taxes In The Financial Statements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDeferredAndCurrentTaxesInTheFinancialStatementsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDeferredAndCurrentTaxesInTheFinancialStatementsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDeferredAndCurrentTaxesInTheFinancialStatementsTableTextBlock" xlink:to="lab_bsac_DisclosureOfDeferredAndCurrentTaxesInTheFinancialStatementsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AllowanceAccountForCreditLossesOfFinancialAssetsPercentage_0ebc3245-a883-4870-ba65-40ec6d35f00b_terseLabel_en-US" xlink:label="lab_bsac_AllowanceAccountForCreditLossesOfFinancialAssetsPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total ECL Percentage</link:label>
    <link:label id="lab_bsac_AllowanceAccountForCreditLossesOfFinancialAssetsPercentage_label_en-US" xlink:label="lab_bsac_AllowanceAccountForCreditLossesOfFinancialAssetsPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance Account For Credit Losses Of Financial Assets Percentage</link:label>
    <link:label id="lab_bsac_AllowanceAccountForCreditLossesOfFinancialAssetsPercentage_documentation_en-US" xlink:label="lab_bsac_AllowanceAccountForCreditLossesOfFinancialAssetsPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about allowance account for credit losses of financial assets percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AllowanceAccountForCreditLossesOfFinancialAssetsPercentage" xlink:href="bsac-20251231.xsd#bsac_AllowanceAccountForCreditLossesOfFinancialAssetsPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AllowanceAccountForCreditLossesOfFinancialAssetsPercentage" xlink:to="lab_bsac_AllowanceAccountForCreditLossesOfFinancialAssetsPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTable_c6c6afc2-86b6-4860-bbf9-e0d64ddadd4a_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Interbank Loans and Loans and Account Receivable from Customers [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTable_label_en-US" xlink:label="lab_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Interbank Loans and Loans and Account Receivable from Customers [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Interbank Loans and Loans and Account Receivable from Customers [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTable" xlink:to="lab_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RecoveryOfLoansPreviouslyCharged_0f5f340e-f697-44d2-998d-80ebe6e8e0f4_terseLabel_en-US" xlink:label="lab_bsac_RecoveryOfLoansPreviouslyCharged" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recovery of loans previously charged off</link:label>
    <link:label id="lab_bsac_RecoveryOfLoansPreviouslyCharged_label_en-US" xlink:label="lab_bsac_RecoveryOfLoansPreviouslyCharged" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recovery Of Loans Previously Charged</link:label>
    <link:label id="lab_bsac_RecoveryOfLoansPreviouslyCharged_documentation_en-US" xlink:label="lab_bsac_RecoveryOfLoansPreviouslyCharged" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about recovery of loans previously charged.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RecoveryOfLoansPreviouslyCharged" xlink:href="bsac-20251231.xsd#bsac_RecoveryOfLoansPreviouslyCharged"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RecoveryOfLoansPreviouslyCharged" xlink:to="lab_bsac_RecoveryOfLoansPreviouslyCharged" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProductSaleAndDistributionServices_7303172b-f847-4eb6-8a31-451c92af884e_negatedTerseLabel_en-US" xlink:label="lab_bsac_ProductSaleAndDistributionServices" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Product sale and distribution services</link:label>
    <link:label id="lab_bsac_ProductSaleAndDistributionServices_label_en-US" xlink:label="lab_bsac_ProductSaleAndDistributionServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product Sale And Distribution Services</link:label>
    <link:label id="lab_bsac_ProductSaleAndDistributionServices_documentation_en-US" xlink:label="lab_bsac_ProductSaleAndDistributionServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of product sale and distribution services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProductSaleAndDistributionServices" xlink:href="bsac-20251231.xsd#bsac_ProductSaleAndDistributionServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProductSaleAndDistributionServices" xlink:to="lab_bsac_ProductSaleAndDistributionServices" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChinaCITICBankMember_019b31d3-748f-726c-84c8-e112c3c4098f_terseLabel_en-US" xlink:label="lab_bsac_ChinaCITICBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">China CITIC Bank</link:label>
    <link:label id="lab_bsac_ChinaCITICBankMember_label_en-US" xlink:label="lab_bsac_ChinaCITICBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">China CITIC Bank [Member]</link:label>
    <link:label id="lab_bsac_ChinaCITICBankMember_documentation_en-US" xlink:label="lab_bsac_ChinaCITICBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">China CITIC Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChinaCITICBankMember" xlink:href="bsac-20251231.xsd#bsac_ChinaCITICBankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChinaCITICBankMember" xlink:to="lab_bsac_ChinaCITICBankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansAndAccountReceivable_aa66aec5-a71c-4bcb-82dd-49254b6aea6f_terseLabel_en-US" xlink:label="lab_bsac_LoansAndAccountReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and account receivable</link:label>
    <link:label id="lab_bsac_LoansAndAccountReceivable_label_en-US" xlink:label="lab_bsac_LoansAndAccountReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Account Receivable</link:label>
    <link:label id="lab_bsac_LoansAndAccountReceivable_documentation_en-US" xlink:label="lab_bsac_LoansAndAccountReceivable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of non-derivative financial assets with fixed or determinable payments that are not quoted in an active market, other than: (a) those that the entity intends to sell immediately or in the near term, which shall be classified as held for trading, and those that the entity, upon initial recognition, designates as at fair value through profit or loss; (b) those that the entity, upon initial recognition, designates as available for sale; or (c) those for which the holder may not recover substantially all of its initial investment, other than because of credit deterioration, which shall be classified as available for sale. An interest acquired in a pool of assets that are not loans or receivables (for example, an interest in a mutual fund or a similar fund) is not a loan or receivable. [Refer: Derivative financial assets]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansAndAccountReceivable" xlink:href="bsac-20251231.xsd#bsac_LoansAndAccountReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansAndAccountReceivable" xlink:to="lab_bsac_LoansAndAccountReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD211024Member_019bf99d-645c-7294-823f-3876be63bcb7_terseLabel_en-US" xlink:label="lab_bsac_BSTD211024Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD211024</link:label>
    <link:label id="lab_bsac_BSTD211024Member_label_en-US" xlink:label="lab_bsac_BSTD211024Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD211024 [Member]</link:label>
    <link:label id="lab_bsac_BSTD211024Member_documentation_en-US" xlink:label="lab_bsac_BSTD211024Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD211024</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD211024Member" xlink:href="bsac-20251231.xsd#bsac_BSTD211024Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD211024Member" xlink:to="lab_bsac_BSTD211024Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AmortisationExpenseOther_2a4baf85-dbb7-45f9-a882-bf5d34152310_terseLabel_en-US" xlink:label="lab_bsac_AmortisationExpenseOther" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_bsac_AmortisationExpenseOther_label_en-US" xlink:label="lab_bsac_AmortisationExpenseOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortisation Expense Other</link:label>
    <link:label id="lab_bsac_AmortisationExpenseOther_documentation_en-US" xlink:label="lab_bsac_AmortisationExpenseOther" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortisation Expense Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AmortisationExpenseOther" xlink:href="bsac-20251231.xsd#bsac_AmortisationExpenseOther"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AmortisationExpenseOther" xlink:to="lab_bsac_AmortisationExpenseOther" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_2b426fd3-016c-49f9-8c0c-4bddc543aebe_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency transactions</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for foreign currency translation [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearDomain_019c58a3-4c55-7ef4-afca-acfb9d850500_terseLabel_en-US" xlink:label="lab_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustment For Distribution Of Income From Previous Year [Domain]</link:label>
    <link:label id="lab_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearDomain_label_en-US" xlink:label="lab_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment For Distribution Of Income From Previous Year [Domain]</link:label>
    <link:label id="lab_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearDomain_documentation_en-US" xlink:label="lab_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustment For Distribution Of Income From Previous Year [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearDomain" xlink:href="bsac-20251231.xsd#bsac_AdjustmentForDistributionOfIncomeFromPreviousYearDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearDomain" xlink:to="lab_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationBonusesOrGratifications_5dde9a3a-4a37-4fc5-a9ab-818f45cd51ba_terseLabel_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationBonusesOrGratifications" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonuses or gratifications</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationBonusesOrGratifications_label_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationBonusesOrGratifications" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key Management Personnel Compensation Bonuses Or Gratifications</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationBonusesOrGratifications_documentation_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationBonusesOrGratifications" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about key management personnel compensation bonuses or gratifications.</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_KeyManagementPersonnelCompensationBonusesOrGratifications" xlink:to="lab_bsac_KeyManagementPersonnelCompensationBonusesOrGratifications" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsTable_58e3d9bf-f1ee-40b7-81b4-b229b179b22c_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Obligations Related to Instruments Sold under Repurchase Agreements [Table]</link:label>
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    <link:label id="lab_bsac_NoncurrentBankDebts_5a544afb-038f-4a33-a615-786940bd9f23_terseLabel_en-US" xlink:label="lab_bsac_NoncurrentBankDebts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
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    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain_d370a4dc-8d9f-4396-97a0-7b5e9f5ef76e_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [domain]</link:label>
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    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInCommercialLoansTable_84321101-a59c-443c-82cf-01e3f08914ce_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInCommercialLoansTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Table]</link:label>
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    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInCommercialLoansTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInCommercialLoansTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInCommercialLoansTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInCommercialLoansTable"/>
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    <link:label id="lab_bsac_ScenariosAxis_6f5cc66a-08e5-4c08-a923-bbc3a1a2e99e_terseLabel_en-US" xlink:label="lab_bsac_ScenariosAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Scenarios [Axis]</link:label>
    <link:label id="lab_bsac_ScenariosAxis_label_en-US" xlink:label="lab_bsac_ScenariosAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenarios [Axis]</link:label>
    <link:label id="lab_bsac_ScenariosAxis_documentation_en-US" xlink:label="lab_bsac_ScenariosAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent of scenarios axis.</link:label>
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    <link:label id="lab_bsac_ScheduleOfChartsShowDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeCumulativeUnrealizedProfitAndLossLineItems_4e38e4f6-cb64-42c6-a0fc-1dce1f35e11b_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfChartsShowDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeCumulativeUnrealizedProfitAndLossLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Charts Show Debt Instruments at Fair Value Through Other Comprehensive Income Cumulative Unrealized Profit and Loss [Line Items]</link:label>
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    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLineItems_0c8320b8-ecb4-4516-b385-e721a05761af_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss [Line Items]</link:label>
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    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLineItems"/>
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    <link:label id="lab_bsac_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsIncludedInOtherComprehensiveIncome_35b9e1b5-1361-4582-b848-f80fb7f6f70e_verboseLabel_en-US" xlink:label="lab_bsac_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsIncludedInOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Included in other comprehensive income</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_bsac_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsIncludedInOtherComprehensiveIncome" xlink:href="bsac-20251231.xsd#bsac_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsIncludedInOtherComprehensiveIncome"/>
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    <link:label id="lab_bsac_AA15Member_a1b5e2ac-b2e5-4870-ad4f-298a50aed448_terseLabel_en-US" xlink:label="lab_bsac_AA15Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AA15</link:label>
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    <link:label id="lab_bsac_DeferredTaxAssetsLeasedAssets_14b21771-49cf-45bd-ae4f-eedd996e9fd5_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxAssetsLeasedAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leased assets</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsLeasedAssets_label_en-US" xlink:label="lab_bsac_DeferredTaxAssetsLeasedAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Leased Assets</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsLeasedAssets_documentation_en-US" xlink:label="lab_bsac_DeferredTaxAssetsLeasedAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amounts of leased assets subject to deferred tax assets.</link:label>
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    <link:label id="lab_ifrs-full_LoansAndAdvancesToBanks_8ae650e2-ce95-4134-b11d-b99f8dce9772_terseLabel_en-US" xlink:label="lab_ifrs-full_LoansAndAdvancesToBanks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interbank loans</link:label>
    <link:label id="lab_ifrs-full_LoansAndAdvancesToBanks_label_en-US" xlink:label="lab_ifrs-full_LoansAndAdvancesToBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and advances to banks</link:label>
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    <link:label id="lab_bsac_ScheduleOfNonControllingInterestIncludedInTheEquityAndTheIncomeLineItems_80537b6f-8956-422b-aff3-1a6ea68592d6_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfNonControllingInterestIncludedInTheEquityAndTheIncomeLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Non-Controlling Interest Included in the Equity and the Income [Line Items]</link:label>
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    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain_580dacde-08df-451b-83c3-534c54bd751d_terseLabel_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsidiaries [domain]</link:label>
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    <link:label id="lab_ifrs-full_DividendsPaidClassifiedAsFinancingActivities_13d23340-7340-419d-83a5-aa7b274c6c37_negatedLabel_en-US" xlink:label="lab_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Dividends paid</link:label>
    <link:label id="lab_ifrs-full_DividendsPaidClassifiedAsFinancingActivities_04ddb7a8-7544-4971-9df1-8d7d1722b0e6_terseLabel_en-US" xlink:label="lab_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends paid, classified as financing activities</link:label>
    <link:label id="lab_ifrs-full_DividendsPaidClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends paid, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsPaidClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_DividendsPaidClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetsAtAmortisedCostAbstract3_be395de5-2710-40cd-8fbf-4ad412aae684_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsAtAmortisedCostAbstract3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtAmortisedCostAbstract3_label_en-US" xlink:label="lab_bsac_FinancialAssetsAtAmortisedCostAbstract3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets At Amortised Cost Abstract3</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtAmortisedCostAbstract3_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsAtAmortisedCostAbstract3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Assets At Amortised Cost Abstract3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsAtAmortisedCostAbstract3" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsAtAmortisedCostAbstract3"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsAtAmortisedCostAbstract3" xlink:to="lab_bsac_FinancialAssetsAtAmortisedCostAbstract3" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_b49eb84c-788c-4f3d-9e39-239f21388012_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due after 3 years but within 4 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than three years and not later than four years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:to="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFourYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod_f57d1231-4a85-4c89-9af3-fefeac651633_terseLabel_en-US" xlink:label="lab_ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profit and loss</link:label>
    <link:label id="lab_ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod_label_en-US" xlink:label="lab_ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share of profit (loss) of associates accounted for using equity method</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xlink:to="lab_ifrs-full_ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeSubtotalNonCurrent_f9f2c6a5-bec9-4ff1-ba08-627146bd591f_totalLabel_en-US" xlink:label="lab_bsac_NetIncomeSubtotalNonCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Sale of non-current assets</link:label>
    <link:label id="lab_bsac_NetIncomeSubtotalNonCurrent_label_en-US" xlink:label="lab_bsac_NetIncomeSubtotalNonCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Subtotal Non Current</link:label>
    <link:label id="lab_bsac_NetIncomeSubtotalNonCurrent_documentation_en-US" xlink:label="lab_bsac_NetIncomeSubtotalNonCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net income subtotal non current.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeSubtotalNonCurrent" xlink:href="bsac-20251231.xsd#bsac_NetIncomeSubtotalNonCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomeSubtotalNonCurrent" xlink:to="lab_bsac_NetIncomeSubtotalNonCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossCommercialLoans_01fef17c-074c-4638-8c52-9ae59721f1bf_negatedTerseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossCommercialLoans" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Commercial loans</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossCommercialLoans_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossCommercialLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Loss Commercial Loans</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossCommercialLoans_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossCommercialLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercial loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossCommercialLoans" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossCommercialLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossCommercialLoans" xlink:to="lab_bsac_ExpectedCreditLossCommercialLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DividendsRecognized_019c5895-9568-781c-9270-2c75ebd5fb82_terseLabel_en-US" xlink:label="lab_bsac_DividendsRecognized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends Recognized</link:label>
    <link:label id="lab_bsac_DividendsRecognized_label_en-US" xlink:label="lab_bsac_DividendsRecognized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends Recognized</link:label>
    <link:label id="lab_bsac_DividendsRecognized_documentation_en-US" xlink:label="lab_bsac_DividendsRecognized" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Dividends Recognized</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DividendsRecognized" xlink:href="bsac-20251231.xsd#bsac_DividendsRecognized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DividendsRecognized" xlink:to="lab_bsac_DividendsRecognized" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_StudentLoansMember_744d6e0a-9967-4213-ad95-b15225ee822b_verboseLabel_en-US" xlink:label="lab_bsac_StudentLoansMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Student loans</link:label>
    <link:label id="lab_bsac_StudentLoansMember_label_en-US" xlink:label="lab_bsac_StudentLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Student Loans [Member]</link:label>
    <link:label id="lab_bsac_StudentLoansMember_documentation_en-US" xlink:label="lab_bsac_StudentLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents Student loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_StudentLoansMember" xlink:href="bsac-20251231.xsd#bsac_StudentLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_StudentLoansMember" xlink:to="lab_bsac_StudentLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfNoncontrollingInterestIncludedInTheEquityAndTheIncomeTableTextBlock_da7c0a63-bf62-4c08-bd4d-cb217f1b6155_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfNoncontrollingInterestIncludedInTheEquityAndTheIncomeTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Non-Controlling Interest Included in the Equity and the Income</link:label>
    <link:label id="lab_bsac_ScheduleOfNoncontrollingInterestIncludedInTheEquityAndTheIncomeTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfNoncontrollingInterestIncludedInTheEquityAndTheIncomeTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Noncontrolling Interest Included In The Equity And The Income [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfNoncontrollingInterestIncludedInTheEquityAndTheIncomeTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfNoncontrollingInterestIncludedInTheEquityAndTheIncomeTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about non-controlling interest included in the equity and the income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfNoncontrollingInterestIncludedInTheEquityAndTheIncomeTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfNoncontrollingInterestIncludedInTheEquityAndTheIncomeTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfNoncontrollingInterestIncludedInTheEquityAndTheIncomeTableTextBlock" xlink:to="lab_bsac_ScheduleOfNoncontrollingInterestIncludedInTheEquityAndTheIncomeTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ReservesAndOtherRetainedEarningMember_8b37532a-cab8-40f3-a20a-f9e648030207_terseLabel_en-US" xlink:label="lab_bsac_ReservesAndOtherRetainedEarningMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reserves and other retained earnings</link:label>
    <link:label id="lab_bsac_ReservesAndOtherRetainedEarningMember_label_en-US" xlink:label="lab_bsac_ReservesAndOtherRetainedEarningMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserves And Other Retained Earning [Member]</link:label>
    <link:label id="lab_bsac_ReservesAndOtherRetainedEarningMember_documentation_en-US" xlink:label="lab_bsac_ReservesAndOtherRetainedEarningMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for reserves and other retained earnings.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ReservesAndOtherRetainedEarningMember" xlink:href="bsac-20251231.xsd#bsac_ReservesAndOtherRetainedEarningMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ReservesAndOtherRetainedEarningMember" xlink:to="lab_bsac_ReservesAndOtherRetainedEarningMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LifeInsuranceAndGeneralProductInsurancePolicies_e8483e2f-7bd4-4682-9de1-13edd9c41dc3_negatedLabel_en-US" xlink:label="lab_bsac_LifeInsuranceAndGeneralProductInsurancePolicies" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Life insurance and general product insurance policies</link:label>
    <link:label id="lab_bsac_LifeInsuranceAndGeneralProductInsurancePolicies_label_en-US" xlink:label="lab_bsac_LifeInsuranceAndGeneralProductInsurancePolicies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Life Insurance And General Product Insurance Policies</link:label>
    <link:label id="lab_bsac_LifeInsuranceAndGeneralProductInsurancePolicies_documentation_en-US" xlink:label="lab_bsac_LifeInsuranceAndGeneralProductInsurancePolicies" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of life insurance and general product insurance policies.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LifeInsuranceAndGeneralProductInsurancePolicies" xlink:href="bsac-20251231.xsd#bsac_LifeInsuranceAndGeneralProductInsurancePolicies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LifeInsuranceAndGeneralProductInsurancePolicies" xlink:to="lab_bsac_LifeInsuranceAndGeneralProductInsurancePolicies" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTableTextBlock_7d364995-970d-46ba-99d6-4dbb7572e93c_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Income (Expense) from Financial Operations</link:label>
    <link:label id="lab_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Income Expense From Financial Operations [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule disclosing information related to the income (expense) from financial operations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTableTextBlock" xlink:to="lab_bsac_ScheduleOfIncomeExpenseFromFinancialOperationsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfCashFlowHedgesAmountReclassifiedFromOtherComprehensiveIncomeExplanatoryTableTextBlock_de7c1e27-6fab-4c7c-ab7c-6af0c32da937_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfCashFlowHedgesAmountReclassifiedFromOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other Comprehensive Income to Income</link:label>
    <link:label id="lab_bsac_ScheduleOfCashFlowHedgesAmountReclassifiedFromOtherComprehensiveIncomeExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfCashFlowHedgesAmountReclassifiedFromOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Cash Flow Hedges Amount Reclassified From Other Comprehensive Income Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfCashFlowHedgesAmountReclassifiedFromOtherComprehensiveIncomeExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfCashFlowHedgesAmountReclassifiedFromOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure about cash flow hedges amount reclassified from other comprehensive income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfCashFlowHedgesAmountReclassifiedFromOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfCashFlowHedgesAmountReclassifiedFromOtherComprehensiveIncomeExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfCashFlowHedgesAmountReclassifiedFromOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfCashFlowHedgesAmountReclassifiedFromOtherComprehensiveIncomeExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfDetailedInformationAboutPaymentsToBoardMembersAndKeyManagementPersonnelExplanatoryTableTextBlock_92aac7c6-d0ae-42fa-8684-af195e141677_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfDetailedInformationAboutPaymentsToBoardMembersAndKeyManagementPersonnelExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Personnel Salaries and Expenses</link:label>
    <link:label id="lab_bsac_ScheduleOfDetailedInformationAboutPaymentsToBoardMembersAndKeyManagementPersonnelExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfDetailedInformationAboutPaymentsToBoardMembersAndKeyManagementPersonnelExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Detailed Information About Payments To Board Members And Key Management Personnel Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfDetailedInformationAboutPaymentsToBoardMembersAndKeyManagementPersonnelExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfDetailedInformationAboutPaymentsToBoardMembersAndKeyManagementPersonnelExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Detailed Information About Payments To Board Members And Key Management Personnel Explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfDetailedInformationAboutPaymentsToBoardMembersAndKeyManagementPersonnelExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfDetailedInformationAboutPaymentsToBoardMembersAndKeyManagementPersonnelExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfDetailedInformationAboutPaymentsToBoardMembersAndKeyManagementPersonnelExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfDetailedInformationAboutPaymentsToBoardMembersAndKeyManagementPersonnelExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SegmentConsolidationsItemsAxisDomain_10277abd-65ab-42f6-a4a4-d1af2217a4aa_terseLabel_en-US" xlink:label="lab_bsac_SegmentConsolidationsItemsAxisDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment Consolidations Items Axis [Domain]</link:label>
    <link:label id="lab_bsac_SegmentConsolidationsItemsAxisDomain_label_en-US" xlink:label="lab_bsac_SegmentConsolidationsItemsAxisDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Consolidations Items Axis [Domain]</link:label>
    <link:label id="lab_bsac_SegmentConsolidationsItemsAxisDomain_documentation_en-US" xlink:label="lab_bsac_SegmentConsolidationsItemsAxisDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Segment Consolidations Items Axis [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SegmentConsolidationsItemsAxisDomain" xlink:href="bsac-20251231.xsd#bsac_SegmentConsolidationsItemsAxisDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SegmentConsolidationsItemsAxisDomain" xlink:to="lab_bsac_SegmentConsolidationsItemsAxisDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NotionalAmount1_1add841e-d04b-4e03-8ed1-557891d41ff6_terseLabel_en-US" xlink:label="lab_bsac_NotionalAmount1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total notional amount</link:label>
    <link:label id="lab_bsac_NotionalAmount1_label_en-US" xlink:label="lab_bsac_NotionalAmount1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notional Amount1</link:label>
    <link:label id="lab_bsac_NotionalAmount1_documentation_en-US" xlink:label="lab_bsac_NotionalAmount1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NotionalAmount1" xlink:href="bsac-20251231.xsd#bsac_NotionalAmount1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NotionalAmount1" xlink:to="lab_bsac_NotionalAmount1" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_LegalEntityAxis_2a0bf0a5-bb78-41b9-86d1-39a80cba4755_terseLabel_en-US" xlink:label="lab_dei_LegalEntityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:label id="lab_dei_LegalEntityAxis_label_en-US" xlink:label="lab_dei_LegalEntityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LegalEntityAxis" xlink:to="lab_dei_LegalEntityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LiabilitieMember_a4216229-625f-4bc5-8648-7142272e0020_terseLabel_en-US" xlink:label="lab_bsac_LiabilitieMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:label id="lab_bsac_LiabilitieMember_label_en-US" xlink:label="lab_bsac_LiabilitieMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilitie [Member]</link:label>
    <link:label id="lab_bsac_LiabilitieMember_documentation_en-US" xlink:label="lab_bsac_LiabilitieMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Liabilitie</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LiabilitieMember" xlink:href="bsac-20251231.xsd#bsac_LiabilitieMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LiabilitieMember" xlink:to="lab_bsac_LiabilitieMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionoftheRightofUseAssetsLineItems_f50521ca-9603-4489-ac45-4972d1251e27_terseLabel_en-US" xlink:label="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionoftheRightofUseAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Composition of the Right of Use Assets [Line Items]</link:label>
    <link:label id="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionoftheRightofUseAssetsLineItems_label_en-US" xlink:label="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionoftheRightofUseAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Composition of the Right of Use Assets [Line Items]</link:label>
    <link:label id="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionoftheRightofUseAssetsLineItems_documentation_en-US" xlink:label="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionoftheRightofUseAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Composition of the Right of Use Assets [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionoftheRightofUseAssetsLineItems" xlink:href="bsac-20251231.xsd#bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionoftheRightofUseAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionoftheRightofUseAssetsLineItems" xlink:to="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofCompositionoftheRightofUseAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetDeferredTaxLiabilities_7b71f078-27d7-467b-a481-f64a4f7834c4_terseLabel_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred taxes</link:label>
    <link:label id="lab_ifrs-full_NetDeferredTaxLiabilities_9f200eed-0988-48e6-96cd-bf8ad59af50d_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Deferred tax liabilities after off-setting</link:label>
    <link:label id="lab_ifrs-full_NetDeferredTaxLiabilities_label_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net deferred tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetDeferredTaxLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetDeferredTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetDeferredTaxLiabilities" xlink:to="lab_ifrs-full_NetDeferredTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RiskManagementDetailsScheduleofLoansandAccountReceivablefromCustomersandInterbakLoansLineItems_db933aa3-2582-4cc3-8eac-5912af64ce4c_terseLabel_en-US" xlink:label="lab_bsac_RiskManagementDetailsScheduleofLoansandAccountReceivablefromCustomersandInterbakLoansLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loans and Account Receivable from Customers and Interbak Loans [Line Items]</link:label>
    <link:label id="lab_bsac_RiskManagementDetailsScheduleofLoansandAccountReceivablefromCustomersandInterbakLoansLineItems_label_en-US" xlink:label="lab_bsac_RiskManagementDetailsScheduleofLoansandAccountReceivablefromCustomersandInterbakLoansLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of Loans and Account Receivable from Customers and Interbak Loans [Line Items]</link:label>
    <link:label id="lab_bsac_RiskManagementDetailsScheduleofLoansandAccountReceivablefromCustomersandInterbakLoansLineItems_documentation_en-US" xlink:label="lab_bsac_RiskManagementDetailsScheduleofLoansandAccountReceivablefromCustomersandInterbakLoansLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of Loans and Account Receivable from Customers and Interbak Loans [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RiskManagementDetailsScheduleofLoansandAccountReceivablefromCustomersandInterbakLoansLineItems" xlink:href="bsac-20251231.xsd#bsac_RiskManagementDetailsScheduleofLoansandAccountReceivablefromCustomersandInterbakLoansLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RiskManagementDetailsScheduleofLoansandAccountReceivablefromCustomersandInterbakLoansLineItems" xlink:to="lab_bsac_RiskManagementDetailsScheduleofLoansandAccountReceivablefromCustomersandInterbakLoansLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutRecurringFairValueMeasurementExplanatoryTableTextBlock_d5e47cd0-bdb2-4535-a2c3-2670bb9b5e73_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutRecurringFairValueMeasurementExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities on Recurrent Basis</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutRecurringFairValueMeasurementExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutRecurringFairValueMeasurementExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Recurring Fair Value Measurement Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutRecurringFairValueMeasurementExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutRecurringFairValueMeasurementExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about recurring fair value measurement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutRecurringFairValueMeasurementExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutRecurringFairValueMeasurementExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutRecurringFairValueMeasurementExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutRecurringFairValueMeasurementExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankingRegulationCounterCyclicalCapitalBufferCapitalAdequacyMinimum_9bc01d64-4eda-4140-8c9e-8d3eb68095f5_terseLabel_en-US" xlink:label="lab_bsac_BankingRegulationCounterCyclicalCapitalBufferCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Counter-cyclical Capital buffer</link:label>
    <link:label id="lab_bsac_BankingRegulationCounterCyclicalCapitalBufferCapitalAdequacyMinimum_label_en-US" xlink:label="lab_bsac_BankingRegulationCounterCyclicalCapitalBufferCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banking Regulation, Counter-Cyclical Capital Buffer, Capital Adequacy, Minimum</link:label>
    <link:label id="lab_bsac_BankingRegulationCounterCyclicalCapitalBufferCapitalAdequacyMinimum_documentation_en-US" xlink:label="lab_bsac_BankingRegulationCounterCyclicalCapitalBufferCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banking Regulation, Counter-Cyclical Capital Buffer, Capital Adequacy, Minimum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankingRegulationCounterCyclicalCapitalBufferCapitalAdequacyMinimum" xlink:href="bsac-20251231.xsd#bsac_BankingRegulationCounterCyclicalCapitalBufferCapitalAdequacyMinimum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankingRegulationCounterCyclicalCapitalBufferCapitalAdequacyMinimum" xlink:to="lab_bsac_BankingRegulationCounterCyclicalCapitalBufferCapitalAdequacyMinimum" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CustodyOfSecuritiesAbstract_a8afd340-746f-4fa7-a900-c358394590e4_terseLabel_en-US" xlink:label="lab_bsac_CustodyOfSecuritiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Custody of securities</link:label>
    <link:label id="lab_bsac_CustodyOfSecuritiesAbstract_label_en-US" xlink:label="lab_bsac_CustodyOfSecuritiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Custody Of Securities Abstract</link:label>
    <link:label id="lab_bsac_CustodyOfSecuritiesAbstract_documentation_en-US" xlink:label="lab_bsac_CustodyOfSecuritiesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Custody Of Securities Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CustodyOfSecuritiesAbstract" xlink:href="bsac-20251231.xsd#bsac_CustodyOfSecuritiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CustodyOfSecuritiesAbstract" xlink:to="lab_bsac_CustodyOfSecuritiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_VoluntaryadditionalProvisionsAllocatedToTierTwoCapitalTTwoInRelationToAPRCs_c64cf4ed-223f-4871-a3c5-30dca0791a7b_terseLabel_en-US" xlink:label="lab_bsac_VoluntaryadditionalProvisionsAllocatedToTierTwoCapitalTTwoInRelationToAPRCs" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Voluntary (additional) provisions allocated to Tier 2 capital (T2) in relation to APRCs (T1_I26/ (T1_I8,a or I8,b)</link:label>
    <link:label id="lab_bsac_VoluntaryadditionalProvisionsAllocatedToTierTwoCapitalTTwoInRelationToAPRCs_label_en-US" xlink:label="lab_bsac_VoluntaryadditionalProvisionsAllocatedToTierTwoCapitalTTwoInRelationToAPRCs" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Voluntaryadditional Provisions Allocated To Tier Two Capital TTwo In Relation To APRCs</link:label>
    <link:label id="lab_bsac_VoluntaryadditionalProvisionsAllocatedToTierTwoCapitalTTwoInRelationToAPRCs_documentation_en-US" xlink:label="lab_bsac_VoluntaryadditionalProvisionsAllocatedToTierTwoCapitalTTwoInRelationToAPRCs" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage voluntary (additional) provisions allocated to Tier 2 capital (T2) in relation to APRCs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_VoluntaryadditionalProvisionsAllocatedToTierTwoCapitalTTwoInRelationToAPRCs" xlink:href="bsac-20251231.xsd#bsac_VoluntaryadditionalProvisionsAllocatedToTierTwoCapitalTTwoInRelationToAPRCs"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_VoluntaryadditionalProvisionsAllocatedToTierTwoCapitalTTwoInRelationToAPRCs" xlink:to="lab_bsac_VoluntaryadditionalProvisionsAllocatedToTierTwoCapitalTTwoInRelationToAPRCs" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CompaniesRelatedPartyLoanAmount_284570a5-1f25-4340-a310-09afd318cb5c_terseLabel_en-US" xlink:label="lab_bsac_CompaniesRelatedPartyLoanAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan with non-controlled companies</link:label>
    <link:label id="lab_bsac_CompaniesRelatedPartyLoanAmount_label_en-US" xlink:label="lab_bsac_CompaniesRelatedPartyLoanAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Companies Related Party Loan Amount</link:label>
    <link:label id="lab_bsac_CompaniesRelatedPartyLoanAmount_documentation_en-US" xlink:label="lab_bsac_CompaniesRelatedPartyLoanAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Companies Related party loan amount.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CompaniesRelatedPartyLoanAmount" xlink:href="bsac-20251231.xsd#bsac_CompaniesRelatedPartyLoanAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CompaniesRelatedPartyLoanAmount" xlink:to="lab_bsac_CompaniesRelatedPartyLoanAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_WellsFargoBankNAMember_32987ad5-6cfa-43a1-ac52-b37661df0947_terseLabel_en-US" xlink:label="lab_bsac_WellsFargoBankNAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Wells Fargo Bank NA</link:label>
    <link:label id="lab_bsac_WellsFargoBankNAMember_label_en-US" xlink:label="lab_bsac_WellsFargoBankNAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Wells Fargo Bank NA [Member]</link:label>
    <link:label id="lab_bsac_WellsFargoBankNAMember_documentation_en-US" xlink:label="lab_bsac_WellsFargoBankNAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Wells Fargo Bank NA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_WellsFargoBankNAMember" xlink:href="bsac-20251231.xsd#bsac_WellsFargoBankNAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_WellsFargoBankNAMember" xlink:to="lab_bsac_WellsFargoBankNAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BasisSpreadOnVariableRateForExchangeRate_c645dd2c-8b03-4b44-b8f6-f605146d5aa1_terseLabel_en-US" xlink:label="lab_bsac_BasisSpreadOnVariableRateForExchangeRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis spread on variable rate for exchange rate</link:label>
    <link:label id="lab_bsac_BasisSpreadOnVariableRateForExchangeRate_label_en-US" xlink:label="lab_bsac_BasisSpreadOnVariableRateForExchangeRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basis Spread On Variable Rate For Exchange Rate</link:label>
    <link:label id="lab_bsac_BasisSpreadOnVariableRateForExchangeRate_documentation_en-US" xlink:label="lab_bsac_BasisSpreadOnVariableRateForExchangeRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Basis Spread On Variable Rate For Exchange Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BasisSpreadOnVariableRateForExchangeRate" xlink:href="bsac-20251231.xsd#bsac_BasisSpreadOnVariableRateForExchangeRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BasisSpreadOnVariableRateForExchangeRate" xlink:to="lab_bsac_BasisSpreadOnVariableRateForExchangeRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities_f18b518b-d866-4413-bba3-af8ca8e0f45b_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Included in other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities_label_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) recognised in other comprehensive income including exchange differences, fair value measurement, liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities" xlink:to="lab_ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherComprehensiveIncomeCashFlowHedges_fe940cc7-1574-46b9-9770-01cdb0a08221_periodStartLabel_en-US" xlink:label="lab_bsac_OtherComprehensiveIncomeCashFlowHedges" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">As of beginning of period</link:label>
    <link:label id="lab_bsac_OtherComprehensiveIncomeCashFlowHedges_c15cc5c1-b792-44b2-851e-9eb069b2beaf_periodEndLabel_en-US" xlink:label="lab_bsac_OtherComprehensiveIncomeCashFlowHedges" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">As of end of period</link:label>
    <link:label id="lab_bsac_OtherComprehensiveIncomeCashFlowHedges_label_en-US" xlink:label="lab_bsac_OtherComprehensiveIncomeCashFlowHedges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income Cash Flow Hedges</link:label>
    <link:label id="lab_bsac_OtherComprehensiveIncomeCashFlowHedges_documentation_en-US" xlink:label="lab_bsac_OtherComprehensiveIncomeCashFlowHedges" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of cash flow hedges as of balance sheet date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherComprehensiveIncomeCashFlowHedges" xlink:href="bsac-20251231.xsd#bsac_OtherComprehensiveIncomeCashFlowHedges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherComprehensiveIncomeCashFlowHedges" xlink:to="lab_bsac_OtherComprehensiveIncomeCashFlowHedges" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AmountsDueToCreditCardOperators_25f0ba81-419a-45a0-b4c7-4ad4e99188f6_terseLabel_en-US" xlink:label="lab_bsac_AmountsDueToCreditCardOperators" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amounts due to credit card operators</link:label>
    <link:label id="lab_bsac_AmountsDueToCreditCardOperators_label_en-US" xlink:label="lab_bsac_AmountsDueToCreditCardOperators" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amounts Due To Credit Card Operators</link:label>
    <link:label id="lab_bsac_AmountsDueToCreditCardOperators_documentation_en-US" xlink:label="lab_bsac_AmountsDueToCreditCardOperators" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about amounts due to credit card operators.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AmountsDueToCreditCardOperators" xlink:href="bsac-20251231.xsd#bsac_AmountsDueToCreditCardOperators"/>
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    <link:label id="lab_bsac_ScheduleOfDebtInstrumentTableExplanatoryTableTextBlock_a9deeba1-84fc-452f-9a45-a1bcf7dfe51f_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfDebtInstrumentTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Debt Instruments at Amortized Cost</link:label>
    <link:label id="lab_bsac_ScheduleOfDebtInstrumentTableExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfDebtInstrumentTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Debt Instrument Table Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfDebtInstrumentTableExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfDebtInstrumentTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of schedule of debt instrument table explanatory.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfDebtInstrumentTableExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfDebtInstrumentTableExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfDebtInstrumentTableExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfDebtInstrumentTableExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ForeignLettersOfCreditConfirmed_b39ed383-5b2a-45cb-b46b-47263584132a_terseLabel_en-US" xlink:label="lab_bsac_ForeignLettersOfCreditConfirmed" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign letters of credit confirmed</link:label>
    <link:label id="lab_bsac_ForeignLettersOfCreditConfirmed_label_en-US" xlink:label="lab_bsac_ForeignLettersOfCreditConfirmed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Letters Of Credit Confirmed</link:label>
    <link:label id="lab_bsac_ForeignLettersOfCreditConfirmed_documentation_en-US" xlink:label="lab_bsac_ForeignLettersOfCreditConfirmed" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of foreign letters of credit confirmed.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ForeignLettersOfCreditConfirmed" xlink:href="bsac-20251231.xsd#bsac_ForeignLettersOfCreditConfirmed"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ForeignLettersOfCreditConfirmed" xlink:to="lab_bsac_ForeignLettersOfCreditConfirmed" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedConsultingServicesMonthlyMember_019bf9f1-a736-7245-a65b-d60ad462fd21_terseLabel_en-US" xlink:label="lab_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sociedad Operadora de la C&#225;mara de Compensaci&#243;n de Pagos de Alto Valor S.A.| Chile| Associated| Consulting Services| Monthly</link:label>
    <link:label id="lab_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sociedad Operadora de la C&#225;mara de Compensaci&#243;n de Pagos de Alto Valor S.A.| Chile| Associated| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sociedad Operadora de la C&#225;mara de Compensaci&#243;n de Pagos de Alto Valor S.A.| Chile| Associated| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedConsultingServicesMonthlyMember" xlink:to="lab_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EmployeeBenefitDayCareAndKindergarten_b1c6111d-842a-4ac5-b766-c544896ed229_negatedLabel_en-US" xlink:label="lab_bsac_EmployeeBenefitDayCareAndKindergarten" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Nursery school and kindergarten expenses</link:label>
    <link:label id="lab_bsac_EmployeeBenefitDayCareAndKindergarten_label_en-US" xlink:label="lab_bsac_EmployeeBenefitDayCareAndKindergarten" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Benefit Day Care And Kindergarten</link:label>
    <link:label id="lab_bsac_EmployeeBenefitDayCareAndKindergarten_documentation_en-US" xlink:label="lab_bsac_EmployeeBenefitDayCareAndKindergarten" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Day care and kindergarten.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EmployeeBenefitDayCareAndKindergarten" xlink:href="bsac-20251231.xsd#bsac_EmployeeBenefitDayCareAndKindergarten"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EmployeeBenefitDayCareAndKindergarten" xlink:to="lab_bsac_EmployeeBenefitDayCareAndKindergarten" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfUnfavorableScenarioTwo_3d8d8cf5-0c73-4135-b4ad-bc3877da711d_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfUnfavorableScenarioTwo" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unfavorable scenario 2</link:label>
    <link:label id="lab_bsac_PercentageOfUnfavorableScenarioTwo_label_en-US" xlink:label="lab_bsac_PercentageOfUnfavorableScenarioTwo" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Unfavorable Scenario Two</link:label>
    <link:label id="lab_bsac_PercentageOfUnfavorableScenarioTwo_documentation_en-US" xlink:label="lab_bsac_PercentageOfUnfavorableScenarioTwo" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Unfavorable Scenario Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfUnfavorableScenarioTwo" xlink:href="bsac-20251231.xsd#bsac_PercentageOfUnfavorableScenarioTwo"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfUnfavorableScenarioTwo" xlink:to="lab_bsac_PercentageOfUnfavorableScenarioTwo" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ConsumerPriceIndexMember_3d2a5b1f-105b-4eb8-a5d0-268126455bb4_terseLabel_en-US" xlink:label="lab_bsac_ConsumerPriceIndexMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consumer Price Index</link:label>
    <link:label id="lab_bsac_ConsumerPriceIndexMember_label_en-US" xlink:label="lab_bsac_ConsumerPriceIndexMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consumer Price Index [Member]</link:label>
    <link:label id="lab_bsac_ConsumerPriceIndexMember_documentation_en-US" xlink:label="lab_bsac_ConsumerPriceIndexMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consumer Price Index</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ConsumerPriceIndexMember" xlink:href="bsac-20251231.xsd#bsac_ConsumerPriceIndexMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ConsumerPriceIndexMember" xlink:to="lab_bsac_ConsumerPriceIndexMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EmployeeBenefitsPensionPlansExpense_896b4f58-8e88-49a3-b0b8-d22bc344cd82_negatedLabel_en-US" xlink:label="lab_bsac_EmployeeBenefitsPensionPlansExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Pension plans</link:label>
    <link:label id="lab_bsac_EmployeeBenefitsPensionPlansExpense_label_en-US" xlink:label="lab_bsac_EmployeeBenefitsPensionPlansExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Benefits Pension Plans Expense</link:label>
    <link:label id="lab_bsac_EmployeeBenefitsPensionPlansExpense_documentation_en-US" xlink:label="lab_bsac_EmployeeBenefitsPensionPlansExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The expense of pension plans form of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EmployeeBenefitsPensionPlansExpense" xlink:href="bsac-20251231.xsd#bsac_EmployeeBenefitsPensionPlansExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EmployeeBenefitsPensionPlansExpense" xlink:to="lab_bsac_EmployeeBenefitsPensionPlansExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LaborRelatedMember_f93fa4b9-4db1-476c-82a4-6cdb94496aa1_terseLabel_en-US" xlink:label="lab_bsac_LaborRelatedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Labor Practices and Business Safety</link:label>
    <link:label id="lab_bsac_LaborRelatedMember_label_en-US" xlink:label="lab_bsac_LaborRelatedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Labor Related [Member]</link:label>
    <link:label id="lab_bsac_LaborRelatedMember_documentation_en-US" xlink:label="lab_bsac_LaborRelatedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Labor Related</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LaborRelatedMember" xlink:href="bsac-20251231.xsd#bsac_LaborRelatedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LaborRelatedMember" xlink:to="lab_bsac_LaborRelatedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransfersAbstractAbstract_f39b5885-a1a9-4828-a4d4-d8c19f241249_terseLabel_en-US" xlink:label="lab_bsac_TransfersAbstractAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers:</link:label>
    <link:label id="lab_bsac_TransfersAbstractAbstract_label_en-US" xlink:label="lab_bsac_TransfersAbstractAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers Abstract [Abstract]</link:label>
    <link:label id="lab_bsac_TransfersAbstractAbstract_documentation_en-US" xlink:label="lab_bsac_TransfersAbstractAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transfers Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransfersAbstractAbstract" xlink:href="bsac-20251231.xsd#bsac_TransfersAbstractAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransfersAbstractAbstract" xlink:to="lab_bsac_TransfersAbstractAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtInstrumentsAtFairValueThroughOtherComprehensiveIncome_a2342cc8-b549-4419-ab33-ada0d0e9ffb7_terseLabel_en-US" xlink:label="lab_bsac_DebtInstrumentsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instruments at fair value through other comprehensive income</link:label>
    <link:label id="lab_bsac_DebtInstrumentsAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_bsac_DebtInstrumentsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instruments At Fair Value Through Other Comprehensive Income</link:label>
    <link:label id="lab_bsac_DebtInstrumentsAtFairValueThroughOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_bsac_DebtInstrumentsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instruments At Fair Value Through Other Comprehensive Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtInstrumentsAtFairValueThroughOtherComprehensiveIncome" xlink:href="bsac-20251231.xsd#bsac_DebtInstrumentsAtFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtInstrumentsAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_bsac_DebtInstrumentsAtFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfNetIncomeFromInterestAndReadjustmentsInterestRatesSensitiveCommissions_e77f15ac-5493-4436-8472-4a20f4972cf1_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfNetIncomeFromInterestAndReadjustmentsInterestRatesSensitiveCommissions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of (net income from interest and readjustments + interest rates sensitive commissions)</link:label>
    <link:label id="lab_bsac_PercentageOfNetIncomeFromInterestAndReadjustmentsInterestRatesSensitiveCommissions_label_en-US" xlink:label="lab_bsac_PercentageOfNetIncomeFromInterestAndReadjustmentsInterestRatesSensitiveCommissions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Net Income From Interest And Readjustments Interest Rates Sensitive Commissions</link:label>
    <link:label id="lab_bsac_PercentageOfNetIncomeFromInterestAndReadjustmentsInterestRatesSensitiveCommissions_documentation_en-US" xlink:label="lab_bsac_PercentageOfNetIncomeFromInterestAndReadjustmentsInterestRatesSensitiveCommissions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of (net income from interest and readjustments + interest rates sensitive commissions).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfNetIncomeFromInterestAndReadjustmentsInterestRatesSensitiveCommissions" xlink:href="bsac-20251231.xsd#bsac_PercentageOfNetIncomeFromInterestAndReadjustmentsInterestRatesSensitiveCommissions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfNetIncomeFromInterestAndReadjustmentsInterestRatesSensitiveCommissions" xlink:to="lab_bsac_PercentageOfNetIncomeFromInterestAndReadjustmentsInterestRatesSensitiveCommissions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax_019c53b6-68b1-7e06-93ce-644420256cef_terseLabel_en-US" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassification adjustments on financial assets measured at fair value through other comprehensive income, net of tax</link:label>
    <link:label id="lab_ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax_label_en-US" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification adjustments on financial assets measured at fair value through other comprehensive income, net of tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:to="lab_ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FuelAndEnergyExpenseAbstract_475ec02b-a2bf-4bb2-808d-18de747bc150_terseLabel_en-US" xlink:label="lab_ifrs-full_FuelAndEnergyExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fuel and energy expense [abstract]</link:label>
    <link:label id="lab_ifrs-full_FuelAndEnergyExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_FuelAndEnergyExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fuel and energy expense [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FuelAndEnergyExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FuelAndEnergyExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FuelAndEnergyExpenseAbstract" xlink:to="lab_ifrs-full_FuelAndEnergyExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome2_03caad8d-290b-42eb-8fe2-3f8b11acec5b_terseLabel_en-US" xlink:label="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers to stage 3</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome2_label_en-US" xlink:label="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease At Fair Value Through Other Comprehensive Income2</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome2_documentation_en-US" xlink:label="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transfers to stage 3.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome2" xlink:href="bsac-20251231.xsd#bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome2" xlink:to="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome2" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ABasicEarningsPerShareAbstract_409c071f-ef0d-4457-b621-ae7eb6af0f36_terseLabel_en-US" xlink:label="lab_bsac_ABasicEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">a) Basic earnings per share</link:label>
    <link:label id="lab_bsac_ABasicEarningsPerShareAbstract_label_en-US" xlink:label="lab_bsac_ABasicEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ABasic Earnings Per Share [Abstract]</link:label>
    <link:label id="lab_bsac_ABasicEarningsPerShareAbstract_documentation_en-US" xlink:label="lab_bsac_ABasicEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ABasic Earnings Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ABasicEarningsPerShareAbstract" xlink:href="bsac-20251231.xsd#bsac_ABasicEarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ABasicEarningsPerShareAbstract" xlink:to="lab_bsac_ABasicEarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome1_46f28f26-bfaa-4d08-975a-2b156d8e2182_terseLabel_en-US" xlink:label="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers to stage 2</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome1_label_en-US" xlink:label="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease At Fair Value Through Other Comprehensive Income1</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome1_documentation_en-US" xlink:label="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transfers to stage 2.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome1" xlink:href="bsac-20251231.xsd#bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome1" xlink:to="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfBaseScenario_b7c41c1a-5619-469d-bba5-bdb85f82ec4a_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfBaseScenario" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Base scenario</link:label>
    <link:label id="lab_bsac_PercentageOfBaseScenario_label_en-US" xlink:label="lab_bsac_PercentageOfBaseScenario" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Base Scenario</link:label>
    <link:label id="lab_bsac_PercentageOfBaseScenario_documentation_en-US" xlink:label="lab_bsac_PercentageOfBaseScenario" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Base Scenario</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfBaseScenario" xlink:href="bsac-20251231.xsd#bsac_PercentageOfBaseScenario"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfBaseScenario" xlink:to="lab_bsac_PercentageOfBaseScenario" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_CurrencyAxis_a6976286-8b81-4b2f-9158-706cf73ce21e_terseLabel_en-US" xlink:label="lab_srt_CurrencyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency [Axis]</link:label>
    <link:label id="lab_srt_CurrencyAxis_label_en-US" xlink:label="lab_srt_CurrencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CurrencyAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CurrencyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_CurrencyAxis" xlink:to="lab_srt_CurrencyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChileanCentralBankNotesMember_122391ff-8920-47ad-b6e8-672efd16f724_terseLabel_en-US" xlink:label="lab_bsac_ChileanCentralBankNotesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chilean Treasury bonds and notes</link:label>
    <link:label id="lab_bsac_ChileanCentralBankNotesMember_label_en-US" xlink:label="lab_bsac_ChileanCentralBankNotesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chilean Central Bank Notes [Member]</link:label>
    <link:label id="lab_bsac_ChileanCentralBankNotesMember_documentation_en-US" xlink:label="lab_bsac_ChileanCentralBankNotesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chilean Central Bank Notes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChileanCentralBankNotesMember" xlink:href="bsac-20251231.xsd#bsac_ChileanCentralBankNotesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChileanCentralBankNotesMember" xlink:to="lab_bsac_ChileanCentralBankNotesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AccountReceivable_45438e0d-a9c0-4dae-b850-957639d69bb7_terseLabel_en-US" xlink:label="lab_bsac_AccountReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Account receivable</link:label>
    <link:label id="lab_bsac_AccountReceivable_label_en-US" xlink:label="lab_bsac_AccountReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Account Receivable</link:label>
    <link:label id="lab_bsac_AccountReceivable_documentation_en-US" xlink:label="lab_bsac_AccountReceivable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of account receivable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AccountReceivable" xlink:href="bsac-20251231.xsd#bsac_AccountReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AccountReceivable" xlink:to="lab_bsac_AccountReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A14BSTD230822Member_019bf9b7-c0cc-7b15-b080-96924d9bf8a8_terseLabel_en-US" xlink:label="lab_bsac_A14BSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">14BSTD230822</link:label>
    <link:label id="lab_bsac_A14BSTD230822Member_label_en-US" xlink:label="lab_bsac_A14BSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">14BSTD230822 [Member]</link:label>
    <link:label id="lab_bsac_A14BSTD230822Member_documentation_en-US" xlink:label="lab_bsac_A14BSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">14BSTD230822</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A14BSTD230822Member" xlink:href="bsac-20251231.xsd#bsac_A14BSTD230822Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A14BSTD230822Member" xlink:to="lab_bsac_A14BSTD230822Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_June2024SeniorUFMember_31c88112-f6fb-4017-a702-8b3474007934_terseLabel_en-US" xlink:label="lab_bsac_June2024SeniorUFMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">June 2024, Senior, UF</link:label>
    <link:label id="lab_bsac_June2024SeniorUFMember_label_en-US" xlink:label="lab_bsac_June2024SeniorUFMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">June 2024, Senior, UF [Member]</link:label>
    <link:label id="lab_bsac_June2024SeniorUFMember_documentation_en-US" xlink:label="lab_bsac_June2024SeniorUFMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">June 2024, Senior, UF</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_June2024SeniorUFMember" xlink:href="bsac-20251231.xsd#bsac_June2024SeniorUFMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_June2024SeniorUFMember" xlink:to="lab_bsac_June2024SeniorUFMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersLineItems_7449e7a2-db6a-4901-9f64-e924947678be_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Interbank Loans and Loans and Account Receivable from Customers [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Interbank Loans and Loans and Account Receivable from Customers [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Interbank Loans and Loans and Account Receivable from Customers [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersLineItems" xlink:to="lab_bsac_ScheduleOfInterbankLoansAndLoansAndAccountReceivableFromCustomersLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostLineItems_1455e047-6100-4400-8a40-2251b93aa7c7_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Instruments Classified as Debt Instruments at Amortized Cost [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Instruments Classified as Debt Instruments at Amortized Cost [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Instruments Classified as Debt Instruments at Amortized Cost [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostLineItems" xlink:to="lab_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SubtotalMember_2ff7cc9a-169a-43e2-aee1-eb1d2becbd31_terseLabel_en-US" xlink:label="lab_bsac_SubtotalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_bsac_SubtotalMember_4ee6ae1b-8ca5-4188-ab49-9f045e4d247e_verboseLabel_en-US" xlink:label="lab_bsac_SubtotalMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_bsac_SubtotalMember_label_en-US" xlink:label="lab_bsac_SubtotalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subtotal [Member]</link:label>
    <link:label id="lab_bsac_SubtotalMember_documentation_en-US" xlink:label="lab_bsac_SubtotalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubtotalMember" xlink:href="bsac-20251231.xsd#bsac_SubtotalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubtotalMember" xlink:to="lab_bsac_SubtotalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInAssociatesDomain_b73e9496-4673-40ef-b92f-765805f83bee_terseLabel_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Associates [domain]</link:label>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInAssociatesDomain_label_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Associates [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:to="lab_ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialTransactionsNet_c7457cfe-271d-48c5-a606-c6f5e5308c33_terseLabel_en-US" xlink:label="lab_bsac_FinancialTransactionsNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income from financial operations</link:label>
    <link:label id="lab_bsac_FinancialTransactionsNet_label_en-US" xlink:label="lab_bsac_FinancialTransactionsNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Transactions Net</link:label>
    <link:label id="lab_bsac_FinancialTransactionsNet_documentation_en-US" xlink:label="lab_bsac_FinancialTransactionsNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of financial transactions, net.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialTransactionsNet" xlink:href="bsac-20251231.xsd#bsac_FinancialTransactionsNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialTransactionsNet" xlink:to="lab_bsac_FinancialTransactionsNet" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DepreciationAndAmortisationExpenses_aac1ffd5-5e35-480b-8b6f-3ff2be196b3f_negatedTotalLabel_en-US" xlink:label="lab_bsac_DepreciationAndAmortisationExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total depreciation and amortisation</link:label>
    <link:label id="lab_bsac_DepreciationAndAmortisationExpenses_label_en-US" xlink:label="lab_bsac_DepreciationAndAmortisationExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation And Amortisation Expenses</link:label>
    <link:label id="lab_bsac_DepreciationAndAmortisationExpenses_documentation_en-US" xlink:label="lab_bsac_DepreciationAndAmortisationExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of depreciation and amortisation expense. Depreciation and amortisation are the systematic allocations of depreciable amounts of assets over their useful lives.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DepreciationAndAmortisationExpenses" xlink:href="bsac-20251231.xsd#bsac_DepreciationAndAmortisationExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DepreciationAndAmortisationExpenses" xlink:to="lab_bsac_DepreciationAndAmortisationExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFairValueHedgesLineItems_c9968ede-c018-40c9-a2b7-2fd48d78a402_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFairValueHedgesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value Hedges [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueHedgesLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfFairValueHedgesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value Hedges [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueHedgesLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFairValueHedgesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value Hedges [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFairValueHedgesLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFairValueHedgesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFairValueHedgesLineItems" xlink:to="lab_bsac_ScheduleOfFairValueHedgesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments_69f4b6cd-62d2-4db5-87d3-3123ae874f36_periodStartLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">ECL allowance, beginning balance</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments_b31d28b4-d603-48c6-9854-c5f9be979246_periodEndLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">ECL allowance, ending balance</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Allowances Contingent Liabilities And Loan Commitments</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ECL allowance, beginning balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:to="lab_bsac_ExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfCashAndCashEquivalentsAbstract_label_en-US" xlink:label="lab_bsac_DisclosureOfCashAndCashEquivalentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Cash And Cash Equivalents [Abstract]</link:label>
    <link:label id="lab_bsac_DisclosureOfCashAndCashEquivalentsAbstract_documentation_en-US" xlink:label="lab_bsac_DisclosureOfCashAndCashEquivalentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Cash And Cash Equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfCashAndCashEquivalentsAbstract" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfCashAndCashEquivalentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfCashAndCashEquivalentsAbstract" xlink:to="lab_bsac_DisclosureOfCashAndCashEquivalentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMaturitiesOfSeniorBondsTable_fe83b345-8b51-4a7f-a973-fcefb2177607_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMaturitiesOfSeniorBondsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Maturities of Senior Bonds [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfMaturitiesOfSeniorBondsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfMaturitiesOfSeniorBondsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Maturities of Senior Bonds [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfMaturitiesOfSeniorBondsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMaturitiesOfSeniorBondsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Maturities of Senior Bonds [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMaturitiesOfSeniorBondsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMaturitiesOfSeniorBondsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfMaturitiesOfSeniorBondsTable" xlink:to="lab_bsac_ScheduleOfMaturitiesOfSeniorBondsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BansaSantanderSAMember_1bfc77ef-4ff1-4457-ac7f-2930ff097ef5_terseLabel_en-US" xlink:label="lab_bsac_BansaSantanderSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bansa Santander S.A.</link:label>
    <link:label id="lab_bsac_BansaSantanderSAMember_label_en-US" xlink:label="lab_bsac_BansaSantanderSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bansa Santander SA [Member]</link:label>
    <link:label id="lab_bsac_BansaSantanderSAMember_documentation_en-US" xlink:label="lab_bsac_BansaSantanderSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bansa Santander SA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BansaSantanderSAMember" xlink:href="bsac-20251231.xsd#bsac_BansaSantanderSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BansaSantanderSAMember" xlink:to="lab_bsac_BansaSantanderSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DemandAccountsAccountsMember_8be7223f-6671-4d99-929d-72dbced0fb44_terseLabel_en-US" xlink:label="lab_bsac_DemandAccountsAccountsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Demand accounts</link:label>
    <link:label id="lab_bsac_DemandAccountsAccountsMember_label_en-US" xlink:label="lab_bsac_DemandAccountsAccountsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Demand Accounts Accounts [Member]</link:label>
    <link:label id="lab_bsac_DemandAccountsAccountsMember_documentation_en-US" xlink:label="lab_bsac_DemandAccountsAccountsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Demand Accounts Accounts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DemandAccountsAccountsMember" xlink:href="bsac-20251231.xsd#bsac_DemandAccountsAccountsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DemandAccountsAccountsMember" xlink:to="lab_bsac_DemandAccountsAccountsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_49ef29d0-b219-46d1-b549-32438ce021bd_terseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted earnings (in Pesos per share)</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShare_label_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Diluted earnings (loss) per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutedEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DilutedEarningsLossPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutedEarningsLossPerShare" xlink:to="lab_ifrs-full_DilutedEarningsLossPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfRegulatoryCapital_a5f58787-550b-4a99-9194-931a6e2c248a_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfRegulatoryCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of Regulatory capital</link:label>
    <link:label id="lab_bsac_PercentageOfRegulatoryCapital_label_en-US" xlink:label="lab_bsac_PercentageOfRegulatoryCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Regulatory Capital</link:label>
    <link:label id="lab_bsac_PercentageOfRegulatoryCapital_documentation_en-US" xlink:label="lab_bsac_PercentageOfRegulatoryCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of regulatory capital.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfRegulatoryCapital" xlink:href="bsac-20251231.xsd#bsac_PercentageOfRegulatoryCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfRegulatoryCapital" xlink:to="lab_bsac_PercentageOfRegulatoryCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankOfBarodaMember_3216a21f-d874-473e-bcdb-2bf6a1661dfc_terseLabel_en-US" xlink:label="lab_bsac_BankOfBarodaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank Of Baroda</link:label>
    <link:label id="lab_bsac_BankOfBarodaMember_label_en-US" xlink:label="lab_bsac_BankOfBarodaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Of Baroda [Member]</link:label>
    <link:label id="lab_bsac_BankOfBarodaMember_documentation_en-US" xlink:label="lab_bsac_BankOfBarodaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bank Of Baroda</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankOfBarodaMember" xlink:href="bsac-20251231.xsd#bsac_BankOfBarodaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankOfBarodaMember" xlink:to="lab_bsac_BankOfBarodaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentForRedemptionOfSeniorBondsAndPaymentsOfInterest_3d809ab6-f3a0-4daa-b512-d11a372cb006_negatedLabel_en-US" xlink:label="lab_bsac_AdjustmentForRedemptionOfSeniorBondsAndPaymentsOfInterest" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Redemption of senior bonds and payments of interest</link:label>
    <link:label id="lab_bsac_AdjustmentForRedemptionOfSeniorBondsAndPaymentsOfInterest_label_en-US" xlink:label="lab_bsac_AdjustmentForRedemptionOfSeniorBondsAndPaymentsOfInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment For Redemption Of Senior Bonds And Payments Of Interest</link:label>
    <link:label id="lab_bsac_AdjustmentForRedemptionOfSeniorBondsAndPaymentsOfInterest_documentation_en-US" xlink:label="lab_bsac_AdjustmentForRedemptionOfSeniorBondsAndPaymentsOfInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustment for redemption of senior bonds and payments of interest.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentForRedemptionOfSeniorBondsAndPaymentsOfInterest" xlink:href="bsac-20251231.xsd#bsac_AdjustmentForRedemptionOfSeniorBondsAndPaymentsOfInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentForRedemptionOfSeniorBondsAndPaymentsOfInterest" xlink:to="lab_bsac_AdjustmentForRedemptionOfSeniorBondsAndPaymentsOfInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostNetMember_8b0ba538-f668-4549-a493-de6b49e8cdb0_terseLabel_en-US" xlink:label="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostNetMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and accounts receivable and interbank loans</link:label>
    <link:label id="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostNetMember_label_en-US" xlink:label="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostNetMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Accounts Receivable At Amortized Cost Net [Member]</link:label>
    <link:label id="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostNetMember_documentation_en-US" xlink:label="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostNetMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans And Accounts Receivable At Amortized Cost Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansAndAccountsReceivableAtAmortizedCostNetMember" xlink:href="bsac-20251231.xsd#bsac_LoansAndAccountsReceivableAtAmortizedCostNetMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansAndAccountsReceivableAtAmortizedCostNetMember" xlink:to="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostNetMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansAndAccountReceivablecommercialMortgageAndConsumerLoans_2562c7ed-dc38-49b9-8609-16db977f07dd_terseLabel_en-US" xlink:label="lab_bsac_LoansAndAccountReceivablecommercialMortgageAndConsumerLoans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and account receivable (commercial, mortgage and consumer loans)</link:label>
    <link:label id="lab_bsac_LoansAndAccountReceivablecommercialMortgageAndConsumerLoans_label_en-US" xlink:label="lab_bsac_LoansAndAccountReceivablecommercialMortgageAndConsumerLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Account Receivablecommercial Mortgage And Consumer Loans</link:label>
    <link:label id="lab_bsac_LoansAndAccountReceivablecommercialMortgageAndConsumerLoans_documentation_en-US" xlink:label="lab_bsac_LoansAndAccountReceivablecommercialMortgageAndConsumerLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of loans and account receivable (commercial, mortgage and consumer loans).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansAndAccountReceivablecommercialMortgageAndConsumerLoans" xlink:href="bsac-20251231.xsd#bsac_LoansAndAccountReceivablecommercialMortgageAndConsumerLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansAndAccountReceivablecommercialMortgageAndConsumerLoans" xlink:to="lab_bsac_LoansAndAccountReceivablecommercialMortgageAndConsumerLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LawsuitAndLitigationsMember_8d974f36-e182-4bad-84da-7cde30c44f6c_terseLabel_en-US" xlink:label="lab_bsac_LawsuitAndLitigationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lawsuit and litigations</link:label>
    <link:label id="lab_bsac_LawsuitAndLitigationsMember_label_en-US" xlink:label="lab_bsac_LawsuitAndLitigationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lawsuit And Litigations [Member]</link:label>
    <link:label id="lab_bsac_LawsuitAndLitigationsMember_documentation_en-US" xlink:label="lab_bsac_LawsuitAndLitigationsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lawsuit And Litigations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LawsuitAndLitigationsMember" xlink:href="bsac-20251231.xsd#bsac_LawsuitAndLitigationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LawsuitAndLitigationsMember" xlink:to="lab_bsac_LawsuitAndLitigationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InternationalFinanceCorporateMember_4f2e9c1e-c806-4b53-97f0-8d2fa888e297_terseLabel_en-US" xlink:label="lab_bsac_InternationalFinanceCorporateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">International Finance Corporate</link:label>
    <link:label id="lab_bsac_InternationalFinanceCorporateMember_label_en-US" xlink:label="lab_bsac_InternationalFinanceCorporateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">International Finance Corporate [Member]</link:label>
    <link:label id="lab_bsac_InternationalFinanceCorporateMember_documentation_en-US" xlink:label="lab_bsac_InternationalFinanceCorporateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">International Finance Corporate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InternationalFinanceCorporateMember" xlink:href="bsac-20251231.xsd#bsac_InternationalFinanceCorporateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InternationalFinanceCorporateMember" xlink:to="lab_bsac_InternationalFinanceCorporateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A144AMember_019b9e8a-253f-7726-af53-18ea5b0b5df5_terseLabel_en-US" xlink:label="lab_bsac_A144AMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">144-A</link:label>
    <link:label id="lab_bsac_A144AMember_label_en-US" xlink:label="lab_bsac_A144AMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">144-A [Member]</link:label>
    <link:label id="lab_bsac_A144AMember_documentation_en-US" xlink:label="lab_bsac_A144AMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">144-A</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A144AMember" xlink:href="bsac-20251231.xsd#bsac_A144AMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A144AMember" xlink:to="lab_bsac_A144AMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract_b68cc71d-d3a4-4182-984b-3b68e44de001_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income that will not be reclassified to profit or loss</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:to="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentForNetFeeAndCommissionIncome_9abb7b18-e135-48f3-9f91-77b5c0facb2e_negatedLabel_en-US" xlink:label="lab_bsac_AdjustmentForNetFeeAndCommissionIncome" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Net fee and commission income</link:label>
    <link:label id="lab_bsac_AdjustmentForNetFeeAndCommissionIncome_label_en-US" xlink:label="lab_bsac_AdjustmentForNetFeeAndCommissionIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment For Net Fee And Commission Income</link:label>
    <link:label id="lab_bsac_AdjustmentForNetFeeAndCommissionIncome_documentation_en-US" xlink:label="lab_bsac_AdjustmentForNetFeeAndCommissionIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustment for net fee and commission income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentForNetFeeAndCommissionIncome" xlink:href="bsac-20251231.xsd#bsac_AdjustmentForNetFeeAndCommissionIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentForNetFeeAndCommissionIncome" xlink:to="lab_bsac_AdjustmentForNetFeeAndCommissionIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LieuOfPayment_b7a46058-e6c0-4de8-8987-8e14247e22f4_terseLabel_en-US" xlink:label="lab_bsac_LieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lieu of payment (in Pesos)</link:label>
    <link:label id="lab_bsac_LieuOfPayment_label_en-US" xlink:label="lab_bsac_LieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lieu Of Payment</link:label>
    <link:label id="lab_bsac_LieuOfPayment_documentation_en-US" xlink:label="lab_bsac_LieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lieu Of Payment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LieuOfPayment" xlink:href="bsac-20251231.xsd#bsac_LieuOfPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LieuOfPayment" xlink:to="lab_bsac_LieuOfPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems_93155d1f-e66f-4be1-b320-1261f0da6280_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentProvisions_cf8cd5f2-398e-4ddd-8c80-503eb516bc87_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current portion</link:label>
    <link:label id="lab_ifrs-full_CurrentProvisions_label_en-US" xlink:label="lab_ifrs-full_CurrentProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentProvisions" xlink:to="lab_ifrs-full_CurrentProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_VoluntaryProvisionsAdditionalAndSubordinatedBondsThatAreChargedToAdditionalCapital_35247c03-d5b6-4c44-bfc8-b1b1a17734a7_terseLabel_en-US" xlink:label="lab_bsac_VoluntaryProvisionsAdditionalAndSubordinatedBondsThatAreChargedToAdditionalCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Voluntary provisions (additional) and subordinated bonds that are charged to additional capital level 1 (AT1) in relation to the RWAs (T1_I19+T1_I20 / T1_I11,b)</link:label>
    <link:label id="lab_bsac_VoluntaryProvisionsAdditionalAndSubordinatedBondsThatAreChargedToAdditionalCapital_label_en-US" xlink:label="lab_bsac_VoluntaryProvisionsAdditionalAndSubordinatedBondsThatAreChargedToAdditionalCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Voluntary Provisions Additional And Subordinated Bonds That Are Charged To Additional Capital</link:label>
    <link:label id="lab_bsac_VoluntaryProvisionsAdditionalAndSubordinatedBondsThatAreChargedToAdditionalCapital_documentation_en-US" xlink:label="lab_bsac_VoluntaryProvisionsAdditionalAndSubordinatedBondsThatAreChargedToAdditionalCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of voluntary provisions (additional) and subordinated bonds that are charged to additional capital.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_VoluntaryProvisionsAdditionalAndSubordinatedBondsThatAreChargedToAdditionalCapital" xlink:href="bsac-20251231.xsd#bsac_VoluntaryProvisionsAdditionalAndSubordinatedBondsThatAreChargedToAdditionalCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_VoluntaryProvisionsAdditionalAndSubordinatedBondsThatAreChargedToAdditionalCapital" xlink:to="lab_bsac_VoluntaryProvisionsAdditionalAndSubordinatedBondsThatAreChargedToAdditionalCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LiabilitiesOne_6c1539cb-acb8-4ed9-9dc6-5840f75138ed_terseLabel_en-US" xlink:label="lab_bsac_LiabilitiesOne" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_LiabilitiesOne_label_en-US" xlink:label="lab_bsac_LiabilitiesOne" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities One</link:label>
    <link:label id="lab_bsac_LiabilitiesOne_documentation_en-US" xlink:label="lab_bsac_LiabilitiesOne" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of a present obligation of the entity to transfer an economic resource as a result of past events. Economic resource is a right that has the potential to produce economic benefits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LiabilitiesOne" xlink:href="bsac-20251231.xsd#bsac_LiabilitiesOne"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LiabilitiesOne" xlink:to="lab_bsac_LiabilitiesOne" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TypeOfExpectedYieldFromPlanAssets_2da5d55d-422b-4480-84db-b2a534489dc5_terseLabel_en-US" xlink:label="lab_bsac_TypeOfExpectedYieldFromPlanAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type of expected yield from the plan&#8217;s assets</link:label>
    <link:label id="lab_bsac_TypeOfExpectedYieldFromPlanAssets_label_en-US" xlink:label="lab_bsac_TypeOfExpectedYieldFromPlanAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type Of Expected Yield From Plan Assets</link:label>
    <link:label id="lab_bsac_TypeOfExpectedYieldFromPlanAssets_documentation_en-US" xlink:label="lab_bsac_TypeOfExpectedYieldFromPlanAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Type Of Expected Yield From Plan Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TypeOfExpectedYieldFromPlanAssets" xlink:href="bsac-20251231.xsd#bsac_TypeOfExpectedYieldFromPlanAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TypeOfExpectedYieldFromPlanAssets" xlink:to="lab_bsac_TypeOfExpectedYieldFromPlanAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SubordinatedBondsImputedAsAdditionalCapitalLevel1_b470fd7f-7e32-44ad-81c6-2cc914272581_terseLabel_en-US" xlink:label="lab_bsac_SubordinatedBondsImputedAsAdditionalCapitalLevel1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subordinated bonds imputed as additional capital level 1 (AT1)</link:label>
    <link:label id="lab_bsac_SubordinatedBondsImputedAsAdditionalCapitalLevel1_label_en-US" xlink:label="lab_bsac_SubordinatedBondsImputedAsAdditionalCapitalLevel1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subordinated Bonds Imputed As Additional Capital Level1</link:label>
    <link:label id="lab_bsac_SubordinatedBondsImputedAsAdditionalCapitalLevel1_documentation_en-US" xlink:label="lab_bsac_SubordinatedBondsImputedAsAdditionalCapitalLevel1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of subordinated bonds imputed as additional capital level.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubordinatedBondsImputedAsAdditionalCapitalLevel1" xlink:href="bsac-20251231.xsd#bsac_SubordinatedBondsImputedAsAdditionalCapitalLevel1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubordinatedBondsImputedAsAdditionalCapitalLevel1" xlink:to="lab_bsac_SubordinatedBondsImputedAsAdditionalCapitalLevel1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutActivityShareExplanatoryTableTextBlock_7a01c089-00bd-466a-8533-7a9efff4ae4b_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutActivityShareExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Activity with Respect to Shares</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutActivityShareExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutActivityShareExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Activity Share Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutActivityShareExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutActivityShareExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about activity shares.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutActivityShareExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutActivityShareExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutActivityShareExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutActivityShareExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CallOptionsMember_b805b1b5-46e7-4fda-951c-eaf94593e3c4_terseLabel_en-US" xlink:label="lab_bsac_CallOptionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Call Options</link:label>
    <link:label id="lab_bsac_CallOptionsMember_label_en-US" xlink:label="lab_bsac_CallOptionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Call Options [Member]</link:label>
    <link:label id="lab_bsac_CallOptionsMember_documentation_en-US" xlink:label="lab_bsac_CallOptionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Call Options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CallOptionsMember" xlink:href="bsac-20251231.xsd#bsac_CallOptionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CallOptionsMember" xlink:to="lab_bsac_CallOptionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankingRegulationCapitalAdequacyMinimum_deddb692-0c4d-48b6-a18c-553756659b00_totalLabel_en-US" xlink:label="lab_bsac_BankingRegulationCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_BankingRegulationCapitalAdequacyMinimum_label_en-US" xlink:label="lab_bsac_BankingRegulationCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banking Regulation, Capital Adequacy, Minimum</link:label>
    <link:label id="lab_bsac_BankingRegulationCapitalAdequacyMinimum_documentation_en-US" xlink:label="lab_bsac_BankingRegulationCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banking Regulation, Capital Adequacy, Minimum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankingRegulationCapitalAdequacyMinimum" xlink:href="bsac-20251231.xsd#bsac_BankingRegulationCapitalAdequacyMinimum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankingRegulationCapitalAdequacyMinimum" xlink:to="lab_bsac_BankingRegulationCapitalAdequacyMinimum" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowances1_df62d304-bdd6-49f0-8e24-3d4f21980df6_periodStartLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowances1" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Expected credit losses allowances, Beginning balance</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowances1_9c9b55b7-89e2-4ac2-a4f1-5e8992eef7c3_periodEndLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowances1" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Expected credit losses allowances, Ending balance</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowances1_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowances1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Allowances1</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowances1_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowances1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to expected credit losses allowances.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesAllowances1" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesAllowances1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesAllowances1" xlink:to="lab_bsac_ExpectedCreditLossesAllowances1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalMember_5b8e4734-1b9b-4693-af3c-29c2ad69392c_terseLabel_en-US" xlink:label="lab_bsac_TotalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_TotalMember_label_en-US" xlink:label="lab_bsac_TotalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total [Member]</link:label>
    <link:label id="lab_bsac_TotalMember_documentation_en-US" xlink:label="lab_bsac_TotalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalMember" xlink:href="bsac-20251231.xsd#bsac_TotalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalMember" xlink:to="lab_bsac_TotalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HedgingInstrumentInflowsMember_09a65553-760d-4635-9454-4466fc60de5a_terseLabel_en-US" xlink:label="lab_bsac_HedgingInstrumentInflowsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inflows</link:label>
    <link:label id="lab_bsac_HedgingInstrumentInflowsMember_label_en-US" xlink:label="lab_bsac_HedgingInstrumentInflowsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging Instrument Inflows [Member]</link:label>
    <link:label id="lab_bsac_HedgingInstrumentInflowsMember_documentation_en-US" xlink:label="lab_bsac_HedgingInstrumentInflowsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hedging Instrument Inflows</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HedgingInstrumentInflowsMember" xlink:href="bsac-20251231.xsd#bsac_HedgingInstrumentInflowsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HedgingInstrumentInflowsMember" xlink:to="lab_bsac_HedgingInstrumentInflowsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ValuationAdjustments_9050ef3d-4d85-4455-89ea-058db893f41b_terseLabel_en-US" xlink:label="lab_bsac_ValuationAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Valuation adjustments</link:label>
    <link:label id="lab_bsac_ValuationAdjustments_label_en-US" xlink:label="lab_bsac_ValuationAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Valuation Adjustments</link:label>
    <link:label id="lab_bsac_ValuationAdjustments_documentation_en-US" xlink:label="lab_bsac_ValuationAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about valuation adjustments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ValuationAdjustments" xlink:href="bsac-20251231.xsd#bsac_ValuationAdjustments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ValuationAdjustments" xlink:to="lab_bsac_ValuationAdjustments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EmployeeBenefitsOtherPersonnelExpense_a8ad6d78-94a9-4c24-b2c8-2668d0ab51b5_negatedLabel_en-US" xlink:label="lab_bsac_EmployeeBenefitsOtherPersonnelExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other personnel expenses</link:label>
    <link:label id="lab_bsac_EmployeeBenefitsOtherPersonnelExpense_label_en-US" xlink:label="lab_bsac_EmployeeBenefitsOtherPersonnelExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Benefits Other Personnel Expense</link:label>
    <link:label id="lab_bsac_EmployeeBenefitsOtherPersonnelExpense_documentation_en-US" xlink:label="lab_bsac_EmployeeBenefitsOtherPersonnelExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The expense of other personnel form of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EmployeeBenefitsOtherPersonnelExpense" xlink:href="bsac-20251231.xsd#bsac_EmployeeBenefitsOtherPersonnelExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EmployeeBenefitsOtherPersonnelExpense" xlink:to="lab_bsac_EmployeeBenefitsOtherPersonnelExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeFromHegeAccountingOfForeignCurrencyRiskMember_d4dc242c-6919-460c-91a0-9ee083443c41_terseLabel_en-US" xlink:label="lab_bsac_NetIncomeFromHegeAccountingOfForeignCurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income from hege accounting of foreign currency risk</link:label>
    <link:label id="lab_bsac_NetIncomeFromHegeAccountingOfForeignCurrencyRiskMember_label_en-US" xlink:label="lab_bsac_NetIncomeFromHegeAccountingOfForeignCurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income From Hege Accounting Of Foreign Currency Risk [Member]</link:label>
    <link:label id="lab_bsac_NetIncomeFromHegeAccountingOfForeignCurrencyRiskMember_documentation_en-US" xlink:label="lab_bsac_NetIncomeFromHegeAccountingOfForeignCurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Income From Hege Accounting Of Foreign Currency Risk</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeFromHegeAccountingOfForeignCurrencyRiskMember" xlink:href="bsac-20251231.xsd#bsac_NetIncomeFromHegeAccountingOfForeignCurrencyRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomeFromHegeAccountingOfForeignCurrencyRiskMember" xlink:to="lab_bsac_NetIncomeFromHegeAccountingOfForeignCurrencyRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExposureOfTradingPortfolio_f59f4b7d-2294-4d56-8637-f6f7f4969105_terseLabel_en-US" xlink:label="lab_bsac_ExposureOfTradingPortfolio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total exposure of trading portfolio</link:label>
    <link:label id="lab_bsac_ExposureOfTradingPortfolio_label_en-US" xlink:label="lab_bsac_ExposureOfTradingPortfolio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exposure Of Trading Portfolio</link:label>
    <link:label id="lab_bsac_ExposureOfTradingPortfolio_documentation_en-US" xlink:label="lab_bsac_ExposureOfTradingPortfolio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exposure Of Trading Portfolio</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExposureOfTradingPortfolio" xlink:href="bsac-20251231.xsd#bsac_ExposureOfTradingPortfolio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExposureOfTradingPortfolio" xlink:to="lab_bsac_ExposureOfTradingPortfolio" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTable_fb425343-9005-40b9-9a52-f067211bb317_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loans from Chilean Central Bank by Maturity Amount [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTable_label_en-US" xlink:label="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Loans from Chilean Central Bank by Maturity Amount [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Loans from Chilean Central Bank by Maturity Amount [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTable" xlink:to="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CreditChargeForDeferredTaxes_db80283e-b9fe-41f7-87cf-6937f7c5534e_totalLabel_en-US" xlink:label="lab_bsac_CreditChargeForDeferredTaxes" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Subtotals</link:label>
    <link:label id="lab_bsac_CreditChargeForDeferredTaxes_label_en-US" xlink:label="lab_bsac_CreditChargeForDeferredTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Charge For Deferred Taxes</link:label>
    <link:label id="lab_bsac_CreditChargeForDeferredTaxes_documentation_en-US" xlink:label="lab_bsac_CreditChargeForDeferredTaxes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of credit charge for deferred taxes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CreditChargeForDeferredTaxes" xlink:href="bsac-20251231.xsd#bsac_CreditChargeForDeferredTaxes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CreditChargeForDeferredTaxes" xlink:to="lab_bsac_CreditChargeForDeferredTaxes" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_StageAxis_ec97e146-2b6a-4ad0-9cc1-ad5830390595_terseLabel_en-US" xlink:label="lab_bsac_StageAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stage [Axis]</link:label>
    <link:label id="lab_bsac_StageAxis_label_en-US" xlink:label="lab_bsac_StageAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stage [Axis]</link:label>
    <link:label id="lab_bsac_StageAxis_documentation_en-US" xlink:label="lab_bsac_StageAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_StageAxis" xlink:href="bsac-20251231.xsd#bsac_StageAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_StageAxis" xlink:to="lab_bsac_StageAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherForeignDebtFinancialInstrumentsMember_c7db8bc1-15f1-41b9-a707-18a4d31b4c6a_terseLabel_en-US" xlink:label="lab_bsac_OtherForeignDebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other foreign debt financial instruments</link:label>
    <link:label id="lab_bsac_OtherForeignDebtFinancialInstrumentsMember_label_en-US" xlink:label="lab_bsac_OtherForeignDebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Foreign Debt Financial Instruments [Member]</link:label>
    <link:label id="lab_bsac_OtherForeignDebtFinancialInstrumentsMember_documentation_en-US" xlink:label="lab_bsac_OtherForeignDebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Foreign Debt Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherForeignDebtFinancialInstrumentsMember" xlink:href="bsac-20251231.xsd#bsac_OtherForeignDebtFinancialInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherForeignDebtFinancialInstrumentsMember" xlink:to="lab_bsac_OtherForeignDebtFinancialInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfProvisionsAxis_aaa7aa8a-62ae-47e0-8bef-8622d59f8662_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of other provisions [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfProvisionsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of other provisions [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfProvisionsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfProvisionsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfProvisionsAxis" xlink:to="lab_ifrs-full_ClassesOfProvisionsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_LocalPhoneNumber_f2279670-5518-4172-9a3c-b4068ebdddbc_terseLabel_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Local Phone Number</link:label>
    <link:label id="lab_dei_LocalPhoneNumber_label_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Local Phone Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LocalPhoneNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LocalPhoneNumber" xlink:to="lab_dei_LocalPhoneNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalContractualObligationsToIssueLoans_f4266bc2-2287-464b-8f17-3cd8e872662c_totalLabel_en-US" xlink:label="lab_bsac_TotalContractualObligationsToIssueLoans" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_TotalContractualObligationsToIssueLoans_label_en-US" xlink:label="lab_bsac_TotalContractualObligationsToIssueLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Contractual Obligations To Issue Loans</link:label>
    <link:label id="lab_bsac_TotalContractualObligationsToIssueLoans_documentation_en-US" xlink:label="lab_bsac_TotalContractualObligationsToIssueLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about total contractual obligations to issue loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalContractualObligationsToIssueLoans" xlink:href="bsac-20251231.xsd#bsac_TotalContractualObligationsToIssueLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalContractualObligationsToIssueLoans" xlink:to="lab_bsac_TotalContractualObligationsToIssueLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskLineItems_fa99842f-b999-4bbb-809f-34b0808ccc5b_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Exchange Rate Risk [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Exchange Rate Risk [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Exchange Rate Risk [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskLineItems" xlink:to="lab_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfCashFlowHedgedOfNotionalAmountExplanatoryTableTextBlock_1f5bde18-23a9-4679-bc8f-f5da63b824c3_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfCashFlowHedgedOfNotionalAmountExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Notional Amount of the Hedged</link:label>
    <link:label id="lab_bsac_ScheduleOfCashFlowHedgedOfNotionalAmountExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfCashFlowHedgedOfNotionalAmountExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Cash Flow Hedged Of Notional Amount Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfCashFlowHedgedOfNotionalAmountExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfCashFlowHedgedOfNotionalAmountExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure about cash flow hedged of notional amount.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfCashFlowHedgedOfNotionalAmountExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfCashFlowHedgedOfNotionalAmountExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfCashFlowHedgedOfNotionalAmountExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfCashFlowHedgedOfNotionalAmountExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InformationAboutCollateralHeldAsSecurityAndOtherCreditEnhancementsForCreditimpairedFinancialAssetsExplanatory_210143d6-78d8-42c7-b487-8a587c20c239_terseLabel_en-US" xlink:label="lab_ifrs-full_InformationAboutCollateralHeldAsSecurityAndOtherCreditEnhancementsForCreditimpairedFinancialAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Security Interests, Collateral, or Credit Improvements</link:label>
    <link:label id="lab_ifrs-full_InformationAboutCollateralHeldAsSecurityAndOtherCreditEnhancementsForCreditimpairedFinancialAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_InformationAboutCollateralHeldAsSecurityAndOtherCreditEnhancementsForCreditimpairedFinancialAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Information about collateral held as security and other credit enhancements for credit-impaired financial assets [text block]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InformationAboutCollateralHeldAsSecurityAndOtherCreditEnhancementsForCreditimpairedFinancialAssetsExplanatory" xlink:to="lab_ifrs-full_InformationAboutCollateralHeldAsSecurityAndOtherCreditEnhancementsForCreditimpairedFinancialAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfNetIncomeFromAssetsReceivedOfPaymentAndSaleOfNonCurrentsAssetsTableTextBlock_e76ae12d-1418-4da2-aa5a-fa6bb07600e2_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfNetIncomeFromAssetsReceivedOfPaymentAndSaleOfNonCurrentsAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Net Income from Assets Received of Payment and Sale of Non-Currents Assets</link:label>
    <link:label id="lab_bsac_ScheduleOfNetIncomeFromAssetsReceivedOfPaymentAndSaleOfNonCurrentsAssetsTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfNetIncomeFromAssetsReceivedOfPaymentAndSaleOfNonCurrentsAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Net Income From Assets Received Of Payment And Sale Of Non Currents Assets [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfNetIncomeFromAssetsReceivedOfPaymentAndSaleOfNonCurrentsAssetsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfNetIncomeFromAssetsReceivedOfPaymentAndSaleOfNonCurrentsAssetsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Net Income From Assets Received Of Payment And Sale Of Non Currents Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfNetIncomeFromAssetsReceivedOfPaymentAndSaleOfNonCurrentsAssetsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfNetIncomeFromAssetsReceivedOfPaymentAndSaleOfNonCurrentsAssetsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfNetIncomeFromAssetsReceivedOfPaymentAndSaleOfNonCurrentsAssetsTableTextBlock" xlink:to="lab_bsac_ScheduleOfNetIncomeFromAssetsReceivedOfPaymentAndSaleOfNonCurrentsAssetsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MismatchAmount_51a6e898-b72d-43fd-8e6a-36fb62b24dc7_negatedTotalLabel_en-US" xlink:label="lab_bsac_MismatchAmount" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Mismatch</link:label>
    <link:label id="lab_bsac_MismatchAmount_label_en-US" xlink:label="lab_bsac_MismatchAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mismatch Amount</link:label>
    <link:label id="lab_bsac_MismatchAmount_documentation_en-US" xlink:label="lab_bsac_MismatchAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of mismatch.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MismatchAmount" xlink:href="bsac-20251231.xsd#bsac_MismatchAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MismatchAmount" xlink:to="lab_bsac_MismatchAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExplanationOfAccountingPoliciesAndMethodsOfComputationFollowedInInterimFinancialStatements_2b4144ac-7c75-4439-b8aa-8faaca415d6a_terseLabel_en-US" xlink:label="lab_ifrs-full_ExplanationOfAccountingPoliciesAndMethodsOfComputationFollowedInInterimFinancialStatements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Application of new and revised International Financial Reporting Standards</link:label>
    <link:label id="lab_ifrs-full_ExplanationOfAccountingPoliciesAndMethodsOfComputationFollowedInInterimFinancialStatements_label_en-US" xlink:label="lab_ifrs-full_ExplanationOfAccountingPoliciesAndMethodsOfComputationFollowedInInterimFinancialStatements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policies and methods of computation followed in interim financial statements [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExplanationOfAccountingPoliciesAndMethodsOfComputationFollowedInInterimFinancialStatements" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExplanationOfAccountingPoliciesAndMethodsOfComputationFollowedInInterimFinancialStatements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExplanationOfAccountingPoliciesAndMethodsOfComputationFollowedInInterimFinancialStatements" xlink:to="lab_ifrs-full_ExplanationOfAccountingPoliciesAndMethodsOfComputationFollowedInInterimFinancialStatements" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfQualityAssetsAndItsRelatedProvisionLineItems_27606024-6075-4421-8c95-73d23c0d9f89_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfQualityAssetsAndItsRelatedProvisionLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Quality Assets and its Related Provision [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfQualityAssetsAndItsRelatedProvisionLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfQualityAssetsAndItsRelatedProvisionLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Quality Assets and its Related Provision [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfQualityAssetsAndItsRelatedProvisionLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfQualityAssetsAndItsRelatedProvisionLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of Quality Assets and its Related Provision [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfQualityAssetsAndItsRelatedProvisionLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfQualityAssetsAndItsRelatedProvisionLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfQualityAssetsAndItsRelatedProvisionLineItems" xlink:to="lab_bsac_ScheduleOfQualityAssetsAndItsRelatedProvisionLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SociedadInterbancariaDeDepsitoDeValoresSAMember_4be2c7ff-3b6f-4a6d-a74a-9287898a17f7_terseLabel_en-US" xlink:label="lab_bsac_SociedadInterbancariaDeDepsitoDeValoresSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sociedad Interbancaria de Dep&#243;sito de Valores S.A.</link:label>
    <link:label id="lab_bsac_SociedadInterbancariaDeDepsitoDeValoresSAMember_label_en-US" xlink:label="lab_bsac_SociedadInterbancariaDeDepsitoDeValoresSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sociedad Interbancaria De Depsito De Valores SA [Member]</link:label>
    <link:label id="lab_bsac_SociedadInterbancariaDeDepsitoDeValoresSAMember_documentation_en-US" xlink:label="lab_bsac_SociedadInterbancariaDeDepsitoDeValoresSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sociedad Interbancaria De Depsito De Valores SA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SociedadInterbancariaDeDepsitoDeValoresSAMember" xlink:href="bsac-20251231.xsd#bsac_SociedadInterbancariaDeDepsitoDeValoresSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SociedadInterbancariaDeDepsitoDeValoresSAMember" xlink:to="lab_bsac_SociedadInterbancariaDeDepsitoDeValoresSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MarketRiskLongTermFinancialManagementPortfolioAbstract_6e012012-e9fa-4e11-8b4f-8c55601f921b_terseLabel_en-US" xlink:label="lab_bsac_MarketRiskLongTermFinancialManagementPortfolioAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Market risk &#8211; long-term financial management portfolio</link:label>
    <link:label id="lab_bsac_MarketRiskLongTermFinancialManagementPortfolioAbstract_label_en-US" xlink:label="lab_bsac_MarketRiskLongTermFinancialManagementPortfolioAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Risk Long Term Financial Management Portfolio Abstract</link:label>
    <link:label id="lab_bsac_MarketRiskLongTermFinancialManagementPortfolioAbstract_documentation_en-US" xlink:label="lab_bsac_MarketRiskLongTermFinancialManagementPortfolioAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market Risk Long Term Financial Management Portfolio Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MarketRiskLongTermFinancialManagementPortfolioAbstract" xlink:href="bsac-20251231.xsd#bsac_MarketRiskLongTermFinancialManagementPortfolioAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MarketRiskLongTermFinancialManagementPortfolioAbstract" xlink:to="lab_bsac_MarketRiskLongTermFinancialManagementPortfolioAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalSubordinatedBonds_cedfab04-5304-4ade-bc9b-740ca54b0b38_terseLabel_en-US" xlink:label="lab_bsac_TotalSubordinatedBonds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total subordinated bonds</link:label>
    <link:label id="lab_bsac_TotalSubordinatedBonds_label_en-US" xlink:label="lab_bsac_TotalSubordinatedBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Subordinated Bonds</link:label>
    <link:label id="lab_bsac_TotalSubordinatedBonds_documentation_en-US" xlink:label="lab_bsac_TotalSubordinatedBonds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of liabilities that are subordinate to other liabilities with respect to claims.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalSubordinatedBonds" xlink:href="bsac-20251231.xsd#bsac_TotalSubordinatedBonds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalSubordinatedBonds" xlink:to="lab_bsac_TotalSubordinatedBonds" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RightOfUseAssetsAccumulatedDepreciation_80e86bbb-55ee-4750-99d8-28e85270de75_periodStartLabel_en-US" xlink:label="lab_bsac_RightOfUseAssetsAccumulatedDepreciation" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balances as of beginning</link:label>
    <link:label id="lab_bsac_RightOfUseAssetsAccumulatedDepreciation_caac3bf6-6b7a-4ced-8886-134ee16c0ba4_periodEndLabel_en-US" xlink:label="lab_bsac_RightOfUseAssetsAccumulatedDepreciation" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balances as of ending</link:label>
    <link:label id="lab_bsac_RightOfUseAssetsAccumulatedDepreciation_label_en-US" xlink:label="lab_bsac_RightOfUseAssetsAccumulatedDepreciation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Right Of Use Assets Accumulated Depreciation</link:label>
    <link:label id="lab_bsac_RightOfUseAssetsAccumulatedDepreciation_documentation_en-US" xlink:label="lab_bsac_RightOfUseAssetsAccumulatedDepreciation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Right of use assets accumulated depreciation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RightOfUseAssetsAccumulatedDepreciation" xlink:href="bsac-20251231.xsd#bsac_RightOfUseAssetsAccumulatedDepreciation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RightOfUseAssetsAccumulatedDepreciation" xlink:to="lab_bsac_RightOfUseAssetsAccumulatedDepreciation" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SubtotalTwoMember_407deeec-c280-4099-844b-de8a470e23a9_terseLabel_en-US" xlink:label="lab_bsac_SubtotalTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_bsac_SubtotalTwoMember_label_en-US" xlink:label="lab_bsac_SubtotalTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subtotal Two [Member]</link:label>
    <link:label id="lab_bsac_SubtotalTwoMember_documentation_en-US" xlink:label="lab_bsac_SubtotalTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Subtotal Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubtotalTwoMember" xlink:href="bsac-20251231.xsd#bsac_SubtotalTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubtotalTwoMember" xlink:to="lab_bsac_SubtotalTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod_55fb25a6-3d39-4b7a-bd22-914301235cfd_terseLabel_en-US" xlink:label="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod_label_en-US" xlink:label="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments accounted for using equity method</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentAccountedForUsingEquityMethod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:to="lab_ifrs-full_InvestmentAccountedForUsingEquityMethod" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationPersonnelCompensation_dff5d107-1651-4ef6-ae61-758e082d6acc_terseLabel_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Personnel compensation</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationPersonnelCompensation_label_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key Management Personnel Compensation Personnel Compensation</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationPersonnelCompensation_documentation_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about key management personnel compensation personnel compensation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_KeyManagementPersonnelCompensationPersonnelCompensation" xlink:href="bsac-20251231.xsd#bsac_KeyManagementPersonnelCompensationPersonnelCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_KeyManagementPersonnelCompensationPersonnelCompensation" xlink:to="lab_bsac_KeyManagementPersonnelCompensationPersonnelCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsReceivedInLieuOfPayment_e9171886-8713-45b5-b719-b6f29eab57c9_verboseLabel_en-US" xlink:label="lab_bsac_AssetsReceivedInLieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Assets received in lieu of payment</link:label>
    <link:label id="lab_bsac_AssetsReceivedInLieuOfPayment_label_en-US" xlink:label="lab_bsac_AssetsReceivedInLieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Received In Lieu Of Payment</link:label>
    <link:label id="lab_bsac_AssetsReceivedInLieuOfPayment_documentation_en-US" xlink:label="lab_bsac_AssetsReceivedInLieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of assets received in lieu of payments, all of these assets are managed for sale.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsReceivedInLieuOfPayment" xlink:href="bsac-20251231.xsd#bsac_AssetsReceivedInLieuOfPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsReceivedInLieuOfPayment" xlink:to="lab_bsac_AssetsReceivedInLieuOfPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseTable_6317b690-fdf5-4c79-90e3-ebfef9aefc01_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Repurchase of Senior Bondspartial Repurchase [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseTable_label_en-US" xlink:label="lab_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Repurchase of Senior Bondspartial Repurchase [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Repurchase of Senior Bondspartial Repurchase [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseTable" xlink:to="lab_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesDomain_26d089db-f308-46ee-8cd9-334f042163ce_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets and liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets and liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsAndLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AssetsAndLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAndLiabilitiesDomain" xlink:to="lab_ifrs-full_AssetsAndLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherMortgageMutualLoansMember_03d703e5-3f71-4a84-abe9-188271590b72_verboseLabel_en-US" xlink:label="lab_bsac_OtherMortgageMutualLoansMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other mortgage mutual loans</link:label>
    <link:label id="lab_bsac_OtherMortgageMutualLoansMember_label_en-US" xlink:label="lab_bsac_OtherMortgageMutualLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Mortgage Mutual Loans [Member]</link:label>
    <link:label id="lab_bsac_OtherMortgageMutualLoansMember_documentation_en-US" xlink:label="lab_bsac_OtherMortgageMutualLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Mortgage Mutual Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherMortgageMutualLoansMember" xlink:href="bsac-20251231.xsd#bsac_OtherMortgageMutualLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherMortgageMutualLoansMember" xlink:to="lab_bsac_OtherMortgageMutualLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherLoansAndAccountReceivableMember_521784c3-15ec-4e2f-b5b4-95311529e19b_verboseLabel_en-US" xlink:label="lab_bsac_OtherLoansAndAccountReceivableMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other loans and accounts receivable</link:label>
    <link:label id="lab_bsac_OtherLoansAndAccountReceivableMember_label_en-US" xlink:label="lab_bsac_OtherLoansAndAccountReceivableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Loans And Account Receivable [Member]</link:label>
    <link:label id="lab_bsac_OtherLoansAndAccountReceivableMember_documentation_en-US" xlink:label="lab_bsac_OtherLoansAndAccountReceivableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Loans And Account Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherLoansAndAccountReceivableMember" xlink:href="bsac-20251231.xsd#bsac_OtherLoansAndAccountReceivableMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherLoansAndAccountReceivableMember" xlink:to="lab_bsac_OtherLoansAndAccountReceivableMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_967d2e7d-c27d-4768-b621-a4bc85a32e58_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsequent Events</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of events after reporting period [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory"/>
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    <link:label id="lab_bsac_UnrestrictedPromptCancelCreditLines_6774b92f-dca7-48cb-8b31-d49a12312ad6_terseLabel_en-US" xlink:label="lab_bsac_UnrestrictedPromptCancelCreditLines" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrestricted prompt cancel credit lines</link:label>
    <link:label id="lab_bsac_UnrestrictedPromptCancelCreditLines_label_en-US" xlink:label="lab_bsac_UnrestrictedPromptCancelCreditLines" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrestricted Prompt Cancel Credit Lines</link:label>
    <link:label id="lab_bsac_UnrestrictedPromptCancelCreditLines_documentation_en-US" xlink:label="lab_bsac_UnrestrictedPromptCancelCreditLines" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unrestricted prompt cancel credit lines.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_UnrestrictedPromptCancelCreditLines" xlink:href="bsac-20251231.xsd#bsac_UnrestrictedPromptCancelCreditLines"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_UnrestrictedPromptCancelCreditLines" xlink:to="lab_bsac_UnrestrictedPromptCancelCreditLines" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FeeAndCommissionExpenseAbstract_1328b784-1cbf-4431-9d4f-d0c139e2342c_terseLabel_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fee and commission expense</link:label>
    <link:label id="lab_ifrs-full_FeeAndCommissionExpenseAbstract_label_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fee and commission expense [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FeeAndCommissionExpenseAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FeeAndCommissionExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FeeAndCommissionExpenseAbstract" xlink:to="lab_ifrs-full_FeeAndCommissionExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract_c97f0078-9c85-425e-8da4-f31f98c11ae4_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in property, plant and equipment [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in property, plant and equipment [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsDomain_42802377-b83e-4f11-a681-3df68e98e1d4_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial assets [domain]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:to="lab_ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossFromContinuingOperations_5380dbac-d294-46c2-851b-ad49fe2b0edd_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Participation in income</link:label>
    <link:label id="lab_ifrs-full_ProfitLossFromContinuingOperations_label_en-US" xlink:label="lab_ifrs-full_ProfitLossFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) from continuing operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossFromContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossFromContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossFromContinuingOperations" xlink:to="lab_ifrs-full_ProfitLossFromContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesTable_d1c708f4-a758-4ab5-a775-548406634801_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities With Related Parties [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities With Related Parties [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities With Related Parties [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesTable" xlink:to="lab_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtStage3TransfersAmount_91f39734-e9e8-485c-b791-587c0aa7d4f1_terseLabel_en-US" xlink:label="lab_bsac_DebtStage3TransfersAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers to stage 3</link:label>
    <link:label id="lab_bsac_DebtStage3TransfersAmount_label_en-US" xlink:label="lab_bsac_DebtStage3TransfersAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Stage3 Transfers Amount</link:label>
    <link:label id="lab_bsac_DebtStage3TransfersAmount_documentation_en-US" xlink:label="lab_bsac_DebtStage3TransfersAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Stage3 Transfers Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtStage3TransfersAmount" xlink:href="bsac-20251231.xsd#bsac_DebtStage3TransfersAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtStage3TransfersAmount" xlink:to="lab_bsac_DebtStage3TransfersAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCentralIndexKey_fd2a1df7-3668-4857-bc54-1fe087225ba5_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCentralIndexKey"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey" xlink:to="lab_dei_EntityCentralIndexKey" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_eeadb975-8544-412f-a801-114d2827570f_terseLabel_en-US" xlink:label="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income from investments in associates and other companies</link:label>
    <link:label id="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod_label_en-US" xlink:label="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share of profit (loss) of associates and joint ventures accounted for using equity method</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:to="lab_ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofAccumulatedAmortizationLineItems_10bc1e9d-9381-4960-b250-3e986754f75c_terseLabel_en-US" xlink:label="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofAccumulatedAmortizationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Accumulated Amortization [Line Items]</link:label>
    <link:label id="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofAccumulatedAmortizationLineItems_label_en-US" xlink:label="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofAccumulatedAmortizationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Accumulated Amortization [Line Items]</link:label>
    <link:label id="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofAccumulatedAmortizationLineItems_documentation_en-US" xlink:label="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofAccumulatedAmortizationLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Accumulated Amortization [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofAccumulatedAmortizationLineItems" xlink:href="bsac-20251231.xsd#bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofAccumulatedAmortizationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofAccumulatedAmortizationLineItems" xlink:to="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofAccumulatedAmortizationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTable_b4cc6149-f003-46af-a6f7-2049cfd02fc2_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Instruments Deemed as Financial Trading Investments [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Instruments Deemed as Financial Trading Investments [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Instruments Deemed as Financial Trading Investments [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTable" xlink:to="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentsAxis_6a1da1be-f721-44cb-9c41-464a59548db6_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [axis]</link:label>
    <link:label id="lab_ifrs-full_SegmentsAxis_label_en-US" xlink:label="lab_ifrs-full_SegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SegmentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentsAxis" xlink:to="lab_ifrs-full_SegmentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ContingenciesAndCommitmentsAbstract_48cc1efb-9e4b-4a87-8328-06b92bebcc98_terseLabel_en-US" xlink:label="lab_bsac_ContingenciesAndCommitmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingencies and Commitments [Abstract]</link:label>
    <link:label id="lab_bsac_ContingenciesAndCommitmentsAbstract_label_en-US" xlink:label="lab_bsac_ContingenciesAndCommitmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingencies and Commitments [Abstract]</link:label>
    <link:label id="lab_bsac_ContingenciesAndCommitmentsAbstract_documentation_en-US" xlink:label="lab_bsac_ContingenciesAndCommitmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingencies and Commitments [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ContingenciesAndCommitmentsAbstract" xlink:href="bsac-20251231.xsd#bsac_ContingenciesAndCommitmentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ContingenciesAndCommitmentsAbstract" xlink:to="lab_bsac_ContingenciesAndCommitmentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfRiskConcentrationLineItems_1d6d874e-ecd7-4b0e-b863-0aae5ea921c3_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfRiskConcentrationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Risk Concentration [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfRiskConcentrationLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfRiskConcentrationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Risk Concentration [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfRiskConcentrationLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfRiskConcentrationLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Risk Concentration [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfRiskConcentrationLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfRiskConcentrationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfRiskConcentrationLineItems" xlink:to="lab_bsac_ScheduleOfRiskConcentrationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_7e8c09fa-cfcd-402b-bbdd-18455ae4e093_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leasing</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for leases [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForLeasesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowances_41beb53b-95a7-4484-95a1-7cf46d47d1c5_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowances" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ECL allowance</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowances_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Allowances</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowances_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to expected credit losses allowances.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesAllowances" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesAllowances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesAllowances" xlink:to="lab_bsac_ExpectedCreditLossesAllowances" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationTable_9f5774c1-8e88-4d28-b3ed-cd571a98aefc_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Instruments Subject to Compensation [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationTable_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Instruments Subject to Compensation [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Instruments Subject to Compensation [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationTable" xlink:to="lab_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationTable" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_USD_e9cefaf2-2187-4d8c-944a-7587e3873678_terseLabel_en-US" xlink:label="lab_currency_USD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">United States of America, Dollars</link:label>
    <link:label id="lab_currency_USD_label_en-US" xlink:label="lab_currency_USD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">United States of America, Dollars</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_USD" xlink:href="https://xbrl.sec.gov/currency/2024/currency-2024.xsd#currency_USD"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_USD" xlink:to="lab_currency_USD" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InstitutoDeCreditoOficialMember_6f677ac0-f410-4865-b674-7612937bc494_terseLabel_en-US" xlink:label="lab_bsac_InstitutoDeCreditoOficialMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Instituto De Credito Oficial</link:label>
    <link:label id="lab_bsac_InstitutoDeCreditoOficialMember_label_en-US" xlink:label="lab_bsac_InstitutoDeCreditoOficialMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Instituto De Credito Oficial [Member]</link:label>
    <link:label id="lab_bsac_InstitutoDeCreditoOficialMember_documentation_en-US" xlink:label="lab_bsac_InstitutoDeCreditoOficialMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Instituto De Credito Oficial</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InstitutoDeCreditoOficialMember" xlink:href="bsac-20251231.xsd#bsac_InstitutoDeCreditoOficialMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InstitutoDeCreditoOficialMember" xlink:to="lab_bsac_InstitutoDeCreditoOficialMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_ff2ec406-8b6c-4501-b36b-32fec1b1de2c_terseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant, and equipment</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_517209ba-5554-48ad-bad5-21b577a83a1a_verboseLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_019c57e7-a6f7-773e-b4e0-ca7b30c0f3d4_netLabel_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Fixed assets</link:label>
    <link:label id="lab_ifrs-full_PropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_PropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PropertyPlantAndEquipment" xlink:to="lab_ifrs-full_PropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesAxis_86892dd4-55dc-4da7-8ef5-d8f26a2e67f2_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets and liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets and liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsAndLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AssetsAndLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAndLiabilitiesAxis" xlink:to="lab_ifrs-full_AssetsAndLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CorporateCorporateSMEMember_8ded81f6-a1de-4a85-88a1-950dfd2ceb30_terseLabel_en-US" xlink:label="lab_bsac_CorporateCorporateSMEMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Corporate SME</link:label>
    <link:label id="lab_bsac_CorporateCorporateSMEMember_label_en-US" xlink:label="lab_bsac_CorporateCorporateSMEMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate Corporate SME [Member]</link:label>
    <link:label id="lab_bsac_CorporateCorporateSMEMember_documentation_en-US" xlink:label="lab_bsac_CorporateCorporateSMEMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Corporate Corporate SME</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CorporateCorporateSMEMember" xlink:href="bsac-20251231.xsd#bsac_CorporateCorporateSMEMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CorporateCorporateSMEMember" xlink:to="lab_bsac_CorporateCorporateSMEMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherFinancialLiabilities1_b4b7abcc-3eb4-4196-bc88-f0c0eebf975b_terseLabel_en-US" xlink:label="lab_bsac_OtherFinancialLiabilities1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_bsac_OtherFinancialLiabilities1_label_en-US" xlink:label="lab_bsac_OtherFinancialLiabilities1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Financial Liabilities1</link:label>
    <link:label id="lab_bsac_OtherFinancialLiabilities1_documentation_en-US" xlink:label="lab_bsac_OtherFinancialLiabilities1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other financial liabilities1.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherFinancialLiabilities1" xlink:href="bsac-20251231.xsd#bsac_OtherFinancialLiabilities1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherFinancialLiabilities1" xlink:to="lab_bsac_OtherFinancialLiabilities1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HedgedItemNet_c4dc2729-45f6-45ce-8e40-9c5f213ea395_negatedLabel_en-US" xlink:label="lab_bsac_HedgedItemNet" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Net flows</link:label>
    <link:label id="lab_bsac_HedgedItemNet_label_en-US" xlink:label="lab_bsac_HedgedItemNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedged Item Net</link:label>
    <link:label id="lab_bsac_HedgedItemNet_documentation_en-US" xlink:label="lab_bsac_HedgedItemNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of hedged item net flows.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HedgedItemNet" xlink:href="bsac-20251231.xsd#bsac_HedgedItemNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HedgedItemNet" xlink:to="lab_bsac_HedgedItemNet" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EmployeeBenefitsExpenses_7fbfda93-9739-49e8-bc18-bd2423e75dc0_negatedTotalLabel_en-US" xlink:label="lab_bsac_EmployeeBenefitsExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_EmployeeBenefitsExpenses_label_en-US" xlink:label="lab_bsac_EmployeeBenefitsExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Benefits Expenses</link:label>
    <link:label id="lab_bsac_EmployeeBenefitsExpenses_documentation_en-US" xlink:label="lab_bsac_EmployeeBenefitsExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Employee Benefits Expenses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EmployeeBenefitsExpenses" xlink:href="bsac-20251231.xsd#bsac_EmployeeBenefitsExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EmployeeBenefitsExpenses" xlink:to="lab_bsac_EmployeeBenefitsExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CurrentProvisionalMonthlyPayments_b01a37b0-6e92-4783-a4f5-630396a9da86_negatedTerseLabel_en-US" xlink:label="lab_bsac_CurrentProvisionalMonthlyPayments" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Provisional monthly payments</link:label>
    <link:label id="lab_bsac_CurrentProvisionalMonthlyPayments_label_en-US" xlink:label="lab_bsac_CurrentProvisionalMonthlyPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Provisional Monthly Payments</link:label>
    <link:label id="lab_bsac_CurrentProvisionalMonthlyPayments_documentation_en-US" xlink:label="lab_bsac_CurrentProvisionalMonthlyPayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current provisional monthly payments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CurrentProvisionalMonthlyPayments" xlink:href="bsac-20251231.xsd#bsac_CurrentProvisionalMonthlyPayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CurrentProvisionalMonthlyPayments" xlink:to="lab_bsac_CurrentProvisionalMonthlyPayments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis_46665b08-dd00-4961-b376-628c99b92e9c_terseLabel_en-US" xlink:label="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Attribution of expenses by nature to their function [axis]</link:label>
    <link:label id="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis_label_en-US" xlink:label="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Attribution of expenses by nature to their function [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:to="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxAssetsReceivedInLieuOfPayment_1ee2a69c-3d7e-4e62-8ae9-3aedc8c261e7_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxAssetsReceivedInLieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets received in lieu of payment</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsReceivedInLieuOfPayment_label_en-US" xlink:label="lab_bsac_DeferredTaxAssetsReceivedInLieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Received In Lieu Of Payment</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsReceivedInLieuOfPayment_documentation_en-US" xlink:label="lab_bsac_DeferredTaxAssetsReceivedInLieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amounts of assets received in lieu of payment subject to deferred tax assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxAssetsReceivedInLieuOfPayment" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxAssetsReceivedInLieuOfPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxAssetsReceivedInLieuOfPayment" xlink:to="lab_bsac_DeferredTaxAssetsReceivedInLieuOfPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalFinancialAsset_62156f38-eecb-4ef4-bf26-048ec8ed51b7_terseLabel_en-US" xlink:label="lab_bsac_TotalFinancialAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_TotalFinancialAsset_label_en-US" xlink:label="lab_bsac_TotalFinancialAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Financial Asset</link:label>
    <link:label id="lab_bsac_TotalFinancialAsset_documentation_en-US" xlink:label="lab_bsac_TotalFinancialAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity&#8217;s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity&#8217;s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity&#8217;s own equity instruments. For this purpose the entity&#8217;s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity&#8217;s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalFinancialAsset" xlink:href="bsac-20251231.xsd#bsac_TotalFinancialAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalFinancialAsset" xlink:to="lab_bsac_TotalFinancialAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD1209235Member_019bf99c-7101-7632-9364-f3e1a57ff06b_terseLabel_en-US" xlink:label="lab_bsac_BSTD1209235Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD120923</link:label>
    <link:label id="lab_bsac_BSTD1209235Member_label_en-US" xlink:label="lab_bsac_BSTD1209235Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD120923-5 [Member]</link:label>
    <link:label id="lab_bsac_BSTD1209235Member_documentation_en-US" xlink:label="lab_bsac_BSTD1209235Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD120923-5</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD1209235Member" xlink:href="bsac-20251231.xsd#bsac_BSTD1209235Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD1209235Member" xlink:to="lab_bsac_BSTD1209235Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherAdjustmentGross_3f86faa4-b932-4505-b048-24a75d8443c9_terseLabel_en-US" xlink:label="lab_bsac_OtherAdjustmentGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other adjustments</link:label>
    <link:label id="lab_bsac_OtherAdjustmentGross_label_en-US" xlink:label="lab_bsac_OtherAdjustmentGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Adjustment Gross</link:label>
    <link:label id="lab_bsac_OtherAdjustmentGross_documentation_en-US" xlink:label="lab_bsac_OtherAdjustmentGross" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other adjustments gross.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherAdjustmentGross" xlink:href="bsac-20251231.xsd#bsac_OtherAdjustmentGross"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherAdjustmentGross" xlink:to="lab_bsac_OtherAdjustmentGross" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NumberOfMostRecentDataPoints_82933096-ce15-4345-b600-8d5ddab01348_terseLabel_en-US" xlink:label="lab_bsac_NumberOfMostRecentDataPoints" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of most recent data points</link:label>
    <link:label id="lab_bsac_NumberOfMostRecentDataPoints_label_en-US" xlink:label="lab_bsac_NumberOfMostRecentDataPoints" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Most Recent Data Points</link:label>
    <link:label id="lab_bsac_NumberOfMostRecentDataPoints_documentation_en-US" xlink:label="lab_bsac_NumberOfMostRecentDataPoints" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Most Recent Data Points</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NumberOfMostRecentDataPoints" xlink:href="bsac-20251231.xsd#bsac_NumberOfMostRecentDataPoints"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NumberOfMostRecentDataPoints" xlink:to="lab_bsac_NumberOfMostRecentDataPoints" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentFinancialAssetsAtAmortisedCost_00a28ef3-7f3b-4ca4-b43a-a5278ed9a078_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentFinancialAssetsAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and account receivable from customers</link:label>
    <link:label id="lab_ifrs-full_CurrentFinancialAssetsAtAmortisedCost_label_en-US" xlink:label="lab_ifrs-full_CurrentFinancialAssetsAtAmortisedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current financial assets at amortised cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentFinancialAssetsAtAmortisedCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentFinancialAssetsAtAmortisedCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentFinancialAssetsAtAmortisedCost" xlink:to="lab_ifrs-full_CurrentFinancialAssetsAtAmortisedCost" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CityAreaCode_018ede5f-5187-48fc-ac23-f126e9ec01bf_terseLabel_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">City Area Code</link:label>
    <link:label id="lab_dei_CityAreaCode_label_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">City Area Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CityAreaCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CityAreaCode" xlink:to="lab_dei_CityAreaCode" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsAttributableToNoncontrollingInterests_b3c721a5-cf73-40f8-a407-df7882bc903a_terseLabel_en-US" xlink:label="lab_bsac_AssetsAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_bsac_AssetsAttributableToNoncontrollingInterests_label_en-US" xlink:label="lab_bsac_AssetsAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Attributable To Noncontrolling Interests</link:label>
    <link:label id="lab_bsac_AssetsAttributableToNoncontrollingInterests_documentation_en-US" xlink:label="lab_bsac_AssetsAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of assets attributable to noncontrolling interests.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsAttributableToNoncontrollingInterests" xlink:href="bsac-20251231.xsd#bsac_AssetsAttributableToNoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsAttributableToNoncontrollingInterests" xlink:to="lab_bsac_AssetsAttributableToNoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorLocation_404eb464-9437-4f1b-9fac-51bd28c25a45_terseLabel_en-US" xlink:label="lab_dei_AuditorLocation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditor Location</link:label>
    <link:label id="lab_dei_AuditorLocation_label_en-US" xlink:label="lab_dei_AuditorLocation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor Location</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorLocation" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorLocation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorLocation" xlink:to="lab_dei_AuditorLocation" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChileanSovereignBondsMember_96657c78-301a-477e-9156-b74e6d56a5ad_terseLabel_en-US" xlink:label="lab_bsac_ChileanSovereignBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chilean sovereign bonds</link:label>
    <link:label id="lab_bsac_ChileanSovereignBondsMember_label_en-US" xlink:label="lab_bsac_ChileanSovereignBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chilean Sovereign Bonds [Member]</link:label>
    <link:label id="lab_bsac_ChileanSovereignBondsMember_documentation_en-US" xlink:label="lab_bsac_ChileanSovereignBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chilean Sovereign Bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChileanSovereignBondsMember" xlink:href="bsac-20251231.xsd#bsac_ChileanSovereignBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChileanSovereignBondsMember" xlink:to="lab_bsac_ChileanSovereignBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CashFlowReceivableAssetsAndIncome_ffa54986-e15b-43e5-9ed2-63179c889b18_terseLabel_en-US" xlink:label="lab_bsac_CashFlowReceivableAssetsAndIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flow receivable (assets) and income</link:label>
    <link:label id="lab_bsac_CashFlowReceivableAssetsAndIncome_label_en-US" xlink:label="lab_bsac_CashFlowReceivableAssetsAndIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Flow Receivable Assets And Income</link:label>
    <link:label id="lab_bsac_CashFlowReceivableAssetsAndIncome_documentation_en-US" xlink:label="lab_bsac_CashFlowReceivableAssetsAndIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of cash flow receivable (assets) and income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CashFlowReceivableAssetsAndIncome" xlink:href="bsac-20251231.xsd#bsac_CashFlowReceivableAssetsAndIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CashFlowReceivableAssetsAndIncome" xlink:to="lab_bsac_CashFlowReceivableAssetsAndIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeNoncurrentAssetsForSaleNotAdmissibleAsDiscontinued_4a6dd8be-c9bb-4b5f-b9b6-01e980425d03_verboseLabel_en-US" xlink:label="lab_bsac_NetIncomeNoncurrentAssetsForSaleNotAdmissibleAsDiscontinued" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net income from non-current assets and groups available for sale not admissible as discontinued operations</link:label>
    <link:label id="lab_bsac_NetIncomeNoncurrentAssetsForSaleNotAdmissibleAsDiscontinued_label_en-US" xlink:label="lab_bsac_NetIncomeNoncurrentAssetsForSaleNotAdmissibleAsDiscontinued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Noncurrent Assets For Sale Not Admissible As Discontinued</link:label>
    <link:label id="lab_bsac_NetIncomeNoncurrentAssetsForSaleNotAdmissibleAsDiscontinued_documentation_en-US" xlink:label="lab_bsac_NetIncomeNoncurrentAssetsForSaleNotAdmissibleAsDiscontinued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of net income from non-current assets and groups available for sale not admissible as discontinued operations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeNoncurrentAssetsForSaleNotAdmissibleAsDiscontinued" xlink:href="bsac-20251231.xsd#bsac_NetIncomeNoncurrentAssetsForSaleNotAdmissibleAsDiscontinued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomeNoncurrentAssetsForSaleNotAdmissibleAsDiscontinued" xlink:to="lab_bsac_NetIncomeNoncurrentAssetsForSaleNotAdmissibleAsDiscontinued" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MacroeconomicDomain_faada191-d527-4ab0-9fe4-f2761f3d827c_terseLabel_en-US" xlink:label="lab_bsac_MacroeconomicDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Macroeconomic [Domain]</link:label>
    <link:label id="lab_bsac_MacroeconomicDomain_label_en-US" xlink:label="lab_bsac_MacroeconomicDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Macroeconomic [Domain]</link:label>
    <link:label id="lab_bsac_MacroeconomicDomain_documentation_en-US" xlink:label="lab_bsac_MacroeconomicDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Macroeconomic</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MacroeconomicDomain" xlink:href="bsac-20251231.xsd#bsac_MacroeconomicDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MacroeconomicDomain" xlink:to="lab_bsac_MacroeconomicDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParent_29d712ee-7e7a-4972-be9f-b344f41c2732_totalLabel_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Attributable to the shareholders of the Bank:</link:label>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_EquityAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfPlacementOfPerpetualBondTable_0e83ced6-a77a-4ad4-94a3-25c39d335cc7_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfPlacementOfPerpetualBondTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Placement of Perpetual Bond [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfPlacementOfPerpetualBondTable_label_en-US" xlink:label="lab_bsac_ScheduleOfPlacementOfPerpetualBondTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Placement of Perpetual Bond [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfPlacementOfPerpetualBondTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfPlacementOfPerpetualBondTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Placement of Perpetual Bond [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfPlacementOfPerpetualBondTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfPlacementOfPerpetualBondTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfPlacementOfPerpetualBondTable" xlink:to="lab_bsac_ScheduleOfPlacementOfPerpetualBondTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfPropertyPlantAndEquipmentBalancesTable_fe23cbc1-01e9-482e-b24e-cd454edfd23f_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfPropertyPlantAndEquipmentBalancesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Property, Plant, and Equipment Balances [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfPropertyPlantAndEquipmentBalancesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfPropertyPlantAndEquipmentBalancesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Property, Plant, and Equipment Balances [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfPropertyPlantAndEquipmentBalancesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfPropertyPlantAndEquipmentBalancesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Property, Plant, and Equipment Balances [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfPropertyPlantAndEquipmentBalancesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfPropertyPlantAndEquipmentBalancesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfPropertyPlantAndEquipmentBalancesTable" xlink:to="lab_bsac_ScheduleOfPropertyPlantAndEquipmentBalancesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HousingPriceGrowthMember_845d9dc1-282a-4c21-b362-5d7ff518b3c2_terseLabel_en-US" xlink:label="lab_bsac_HousingPriceGrowthMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Housing Price growth</link:label>
    <link:label id="lab_bsac_HousingPriceGrowthMember_label_en-US" xlink:label="lab_bsac_HousingPriceGrowthMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Housing Price Growth [Member]</link:label>
    <link:label id="lab_bsac_HousingPriceGrowthMember_documentation_en-US" xlink:label="lab_bsac_HousingPriceGrowthMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for housing price growth.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HousingPriceGrowthMember" xlink:href="bsac-20251231.xsd#bsac_HousingPriceGrowthMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HousingPriceGrowthMember" xlink:to="lab_bsac_HousingPriceGrowthMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PagoNxtPaymentsServicesS.L.SpainGroupConsultingServicesMonthlyMember_019bf9f8-a100-7579-8ebf-3274f2959749_terseLabel_en-US" xlink:label="lab_bsac_PagoNxtPaymentsServicesS.L.SpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PagoNxt Payments Services, S.L.| Spain| Group| Consulting Services| Monthly</link:label>
    <link:label id="lab_bsac_PagoNxtPaymentsServicesS.L.SpainGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_PagoNxtPaymentsServicesS.L.SpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PagoNxt Payments Services, S.L.| Spain| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_PagoNxtPaymentsServicesS.L.SpainGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_PagoNxtPaymentsServicesS.L.SpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">PagoNxt Payments Services, S.L.| Spain| Group| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PagoNxtPaymentsServicesS.L.SpainGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_PagoNxtPaymentsServicesS.L.SpainGroupConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PagoNxtPaymentsServicesS.L.SpainGroupConsultingServicesMonthlyMember" xlink:to="lab_bsac_PagoNxtPaymentsServicesS.L.SpainGroupConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PensionFundsAFPOnBehalfOfThirdPartiesMember_8c5cc2c3-1bbb-403a-b59e-a55292366dc1_terseLabel_en-US" xlink:label="lab_bsac_PensionFundsAFPOnBehalfOfThirdPartiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension funds (AFP) on behalf of third parties</link:label>
    <link:label id="lab_bsac_PensionFundsAFPOnBehalfOfThirdPartiesMember_label_en-US" xlink:label="lab_bsac_PensionFundsAFPOnBehalfOfThirdPartiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Funds AFPOn Behalf Of Third Parties [Member]</link:label>
    <link:label id="lab_bsac_PensionFundsAFPOnBehalfOfThirdPartiesMember_documentation_en-US" xlink:label="lab_bsac_PensionFundsAFPOnBehalfOfThirdPartiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Categories of related parties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PensionFundsAFPOnBehalfOfThirdPartiesMember" xlink:href="bsac-20251231.xsd#bsac_PensionFundsAFPOnBehalfOfThirdPartiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PensionFundsAFPOnBehalfOfThirdPartiesMember" xlink:to="lab_bsac_PensionFundsAFPOnBehalfOfThirdPartiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommercialAllianceExpenses_247930f1-5f49-444d-84fa-053d33fe9e2c_negatedLabel_en-US" xlink:label="lab_bsac_CommercialAllianceExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Commercial alliance expenses</link:label>
    <link:label id="lab_bsac_CommercialAllianceExpenses_label_en-US" xlink:label="lab_bsac_CommercialAllianceExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial Alliance Expenses</link:label>
    <link:label id="lab_bsac_CommercialAllianceExpenses_documentation_en-US" xlink:label="lab_bsac_CommercialAllianceExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercial alliance expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommercialAllianceExpenses" xlink:href="bsac-20251231.xsd#bsac_CommercialAllianceExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommercialAllianceExpenses" xlink:to="lab_bsac_CommercialAllianceExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_WachoviaBankNAMember_6fc15065-c078-4e91-85cb-719addb0d4d1_terseLabel_en-US" xlink:label="lab_bsac_WachoviaBankNAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Wachovia Bank Na</link:label>
    <link:label id="lab_bsac_WachoviaBankNAMember_label_en-US" xlink:label="lab_bsac_WachoviaBankNAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Wachovia Bank NA [Member]</link:label>
    <link:label id="lab_bsac_WachoviaBankNAMember_documentation_en-US" xlink:label="lab_bsac_WachoviaBankNAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Wachovia Bank NA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_WachoviaBankNAMember" xlink:href="bsac-20251231.xsd#bsac_WachoviaBankNAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_WachoviaBankNAMember" xlink:to="lab_bsac_WachoviaBankNAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems_4937993c-38bb-4ea4-b3a2-39fa6c54c1ac_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Assets at Amortised Cost (Details) [Line Items]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsLineItems"/>
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    <link:label id="lab_bsac_DefinedBenefitObligationNetIncorporationOfGroupCompanies_12412ff5-4d2f-45b7-b179-c34907c78d73_terseLabel_en-US" xlink:label="lab_bsac_DefinedBenefitObligationNetIncorporationOfGroupCompanies" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net incorporation of Group companies</link:label>
    <link:label id="lab_bsac_DefinedBenefitObligationNetIncorporationOfGroupCompanies_label_en-US" xlink:label="lab_bsac_DefinedBenefitObligationNetIncorporationOfGroupCompanies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Obligation Net Incorporation Of Group Companies</link:label>
    <link:label id="lab_bsac_DefinedBenefitObligationNetIncorporationOfGroupCompanies_documentation_en-US" xlink:label="lab_bsac_DefinedBenefitObligationNetIncorporationOfGroupCompanies" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of net incorporation of Group companies.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DefinedBenefitObligationNetIncorporationOfGroupCompanies" xlink:href="bsac-20251231.xsd#bsac_DefinedBenefitObligationNetIncorporationOfGroupCompanies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DefinedBenefitObligationNetIncorporationOfGroupCompanies" xlink:to="lab_bsac_DefinedBenefitObligationNetIncorporationOfGroupCompanies" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_KlareCorredoraDeSegurosS.A.ChileGroupLeasesMonthlyMember_019b9f64-bbc0-751f-8ba9-5cb19ad47e65_terseLabel_en-US" xlink:label="lab_bsac_KlareCorredoraDeSegurosS.A.ChileGroupLeasesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Klare Corredora de Seguros S.A.| Chile| Group| Leases| Monthly</link:label>
    <link:label id="lab_bsac_KlareCorredoraDeSegurosS.A.ChileGroupLeasesMonthlyMember_label_en-US" xlink:label="lab_bsac_KlareCorredoraDeSegurosS.A.ChileGroupLeasesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Klare Corredora de Seguros S.A.| Chile| Group| Leases| Monthly [Member]</link:label>
    <link:label id="lab_bsac_KlareCorredoraDeSegurosS.A.ChileGroupLeasesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_KlareCorredoraDeSegurosS.A.ChileGroupLeasesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Klare Corredora de Seguros S.A.| Chile| Group| Leases| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_KlareCorredoraDeSegurosS.A.ChileGroupLeasesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_KlareCorredoraDeSegurosS.A.ChileGroupLeasesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_KlareCorredoraDeSegurosS.A.ChileGroupLeasesMonthlyMember" xlink:to="lab_bsac_KlareCorredoraDeSegurosS.A.ChileGroupLeasesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMortgageFnanceBondsTable_031a9c7c-902b-4aad-9a1f-350a216e02b8_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMortgageFnanceBondsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Mortgage Fnance Bonds [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfMortgageFnanceBondsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfMortgageFnanceBondsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Mortgage Fnance Bonds [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfMortgageFnanceBondsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMortgageFnanceBondsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Mortgage Fnance Bonds [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMortgageFnanceBondsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMortgageFnanceBondsTable"/>
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    <link:label id="lab_bsac_MinusAbstract0_8e13d456-fb33-4c76-ae0f-118db5086816_terseLabel_en-US" xlink:label="lab_bsac_MinusAbstract0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minus:</link:label>
    <link:label id="lab_bsac_MinusAbstract0_label_en-US" xlink:label="lab_bsac_MinusAbstract0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minus Abstract0</link:label>
    <link:label id="lab_bsac_MinusAbstract0_documentation_en-US" xlink:label="lab_bsac_MinusAbstract0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minus Abstract0</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MinusAbstract0" xlink:href="bsac-20251231.xsd#bsac_MinusAbstract0"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MinusAbstract0" xlink:to="lab_bsac_MinusAbstract0" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss1_abcd84f0-5b21-4a8e-a7e4-1666825e3f16_negatedTotalLabel_en-US" xlink:label="lab_bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss1" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss1_label_en-US" xlink:label="lab_bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Relating To Components Of Other Comprehensive Income That Will Be Reclassified To Profit Or Loss1</link:label>
    <link:label id="lab_bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss1_documentation_en-US" xlink:label="lab_bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about income tax relating to components of other comprehensive income that will be reclassified to profit or loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss1" xlink:href="bsac-20251231.xsd#bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss1"/>
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    <link:label id="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_eedb0b36-158a-4452-8877-375c33e87114_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Impairment of property, plant, and equipment</link:label>
    <link:label id="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment loss (reversal of impairment loss) recognised in profit or loss</link:label>
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    <link:label id="lab_bsac_CashAndCashEquivalent_3ec500c2-ac09-4dfd-afe7-29f762076463_terseLabel_en-US" xlink:label="lab_bsac_CashAndCashEquivalent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 1: cash and cash equivalent</link:label>
    <link:label id="lab_bsac_CashAndCashEquivalent_label_en-US" xlink:label="lab_bsac_CashAndCashEquivalent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash And Cash Equivalent</link:label>
    <link:label id="lab_bsac_CashAndCashEquivalent_documentation_en-US" xlink:label="lab_bsac_CashAndCashEquivalent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value.</link:label>
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    <link:label id="lab_ifrs-full_LandAndBuildingsMember_2beca8c0-1fd3-467b-a12e-7c8f9a448bff_terseLabel_en-US" xlink:label="lab_ifrs-full_LandAndBuildingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Land and building</link:label>
    <link:label id="lab_ifrs-full_LandAndBuildingsMember_label_en-US" xlink:label="lab_ifrs-full_LandAndBuildingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land and buildings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LandAndBuildingsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LandAndBuildingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LandAndBuildingsMember" xlink:to="lab_ifrs-full_LandAndBuildingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory_e7a2b006-913f-4906-b4c9-6abbc322c9fe_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Associates</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of associates [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInAssociatesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForNoncurrentAssetsHeldForSaleInOtherAssetsExplanatoryPolicyTextBlock_cea93957-f658-4d15-bb0c-50b134570a71_terseLabel_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForNoncurrentAssetsHeldForSaleInOtherAssetsExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current assets held for sale</link:label>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForNoncurrentAssetsHeldForSaleInOtherAssetsExplanatoryPolicyTextBlock_label_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForNoncurrentAssetsHeldForSaleInOtherAssetsExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Noncurrent Assets Held For Sale In Other Assets Explanatory [Policy Text Block]</link:label>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForNoncurrentAssetsHeldForSaleInOtherAssetsExplanatoryPolicyTextBlock_documentation_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForNoncurrentAssetsHeldForSaleInOtherAssetsExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about description of accounting policy for non current assets held for sale in other assets.</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DescriptionOfAccountingPolicyForNoncurrentAssetsHeldForSaleInOtherAssetsExplanatoryPolicyTextBlock" xlink:to="lab_bsac_DescriptionOfAccountingPolicyForNoncurrentAssetsHeldForSaleInOtherAssetsExplanatoryPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForClassificationAndMeasurementOfFinancialInstrumentUnderIfrs9FirstAdoptionExplanatoryPolicyTextBlock_ab2b8981-4299-49f7-8cff-efe8abe400d4_terseLabel_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForClassificationAndMeasurementOfFinancialInstrumentUnderIfrs9FirstAdoptionExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classification and measurement of financial instrument</link:label>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForClassificationAndMeasurementOfFinancialInstrumentUnderIfrs9FirstAdoptionExplanatoryPolicyTextBlock_label_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForClassificationAndMeasurementOfFinancialInstrumentUnderIfrs9FirstAdoptionExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Classification And Measurement Of Financial Instrument Under Ifrs9 First Adoption Explanatory [Policy Text Block]</link:label>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForClassificationAndMeasurementOfFinancialInstrumentUnderIfrs9FirstAdoptionExplanatoryPolicyTextBlock_documentation_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForClassificationAndMeasurementOfFinancialInstrumentUnderIfrs9FirstAdoptionExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure represents the description of accounting policy for classification and measurement of financial instrument under ifrs9 first adoption explanatory.</link:label>
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    <link:label id="lab_ifrs-full_CashFlowHedgesAbstract_cf14a41d-b1d8-40a2-b6de-21cc6b1c92ab_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowHedgesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flow hedges</link:label>
    <link:label id="lab_ifrs-full_CashFlowHedgesAbstract_label_en-US" xlink:label="lab_ifrs-full_CashFlowHedgesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flow hedges [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowHedgesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowHedgesAbstract"/>
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    <link:label id="lab_ifrs-full_EquityAndLiabilities_43376d32-c4a7-4f03-93cf-c02f43775c12_totalLabel_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">TOTAL LIABILITIES AND EQUITY</link:label>
    <link:label id="lab_ifrs-full_EquityAndLiabilities_label_en-US" xlink:label="lab_ifrs-full_EquityAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity and liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAndLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAndLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAndLiabilities" xlink:to="lab_ifrs-full_EquityAndLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory_566e2880-7067-4fab-9f1a-39118d5cc948_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment of non-financial assets</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for impairment of assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory"/>
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    <link:label id="lab_bsac_ExpensesMember_d85a52f5-16d9-4c4a-b4bd-44774ec500f7_terseLabel_en-US" xlink:label="lab_bsac_ExpensesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenses for the gross loss period due to operational risk events</link:label>
    <link:label id="lab_bsac_ExpensesMember_label_en-US" xlink:label="lab_bsac_ExpensesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expenses [Member]</link:label>
    <link:label id="lab_bsac_ExpensesMember_documentation_en-US" xlink:label="lab_bsac_ExpensesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expenses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpensesMember" xlink:href="bsac-20251231.xsd#bsac_ExpensesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpensesMember" xlink:to="lab_bsac_ExpensesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesDomain_984cdff7-021b-4a2f-a698-d2985521fbbe_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected Credit Losses [Domain]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesDomain_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses [Domain]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesDomain_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Credit Losses [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesDomain" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesDomain" xlink:to="lab_bsac_ExpectedCreditLossesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherCashSubmittedGuaranteesInDollars_40728c22-9f27-4e4e-9383-2425b9468eb9_terseLabel_en-US" xlink:label="lab_bsac_OtherCashSubmittedGuaranteesInDollars" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other cash submitted guarantess</link:label>
    <link:label id="lab_bsac_OtherCashSubmittedGuaranteesInDollars_label_en-US" xlink:label="lab_bsac_OtherCashSubmittedGuaranteesInDollars" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Cash Submitted Guarantees In Dollars</link:label>
    <link:label id="lab_bsac_OtherCashSubmittedGuaranteesInDollars_documentation_en-US" xlink:label="lab_bsac_OtherCashSubmittedGuaranteesInDollars" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other cash submitted guarantees.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherCashSubmittedGuaranteesInDollars" xlink:href="bsac-20251231.xsd#bsac_OtherCashSubmittedGuaranteesInDollars"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherCashSubmittedGuaranteesInDollars" xlink:to="lab_bsac_OtherCashSubmittedGuaranteesInDollars" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleoftheMaturityLeveloftheLeaseLiabilityAccordingtotheirContractualMaturityLineItems_15e7758c-4c94-40ba-bcf9-6fa8cbabb916_terseLabel_en-US" xlink:label="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleoftheMaturityLeveloftheLeaseLiabilityAccordingtotheirContractualMaturityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of the Maturity Level of the Lease Liability, According to their Contractual Maturity [Line Items]</link:label>
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    <link:label id="lab_bsac_ForeignFinancialDebtSecuritiesMember_3fde3fa1-9ea6-49f5-a211-0e0925b776a6_terseLabel_en-US" xlink:label="lab_bsac_ForeignFinancialDebtSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign financial debt instruments</link:label>
    <link:label id="lab_bsac_ForeignFinancialDebtSecuritiesMember_label_en-US" xlink:label="lab_bsac_ForeignFinancialDebtSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Financial Debt Securities [Member]</link:label>
    <link:label id="lab_bsac_ForeignFinancialDebtSecuritiesMember_documentation_en-US" xlink:label="lab_bsac_ForeignFinancialDebtSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Financial Debt Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ForeignFinancialDebtSecuritiesMember" xlink:href="bsac-20251231.xsd#bsac_ForeignFinancialDebtSecuritiesMember"/>
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    <link:label id="lab_bsac_KoreaExchangeBankMember_2e8648e9-3e5a-46df-80f1-921a99c7ba14_terseLabel_en-US" xlink:label="lab_bsac_KoreaExchangeBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Korea Exchange Bank</link:label>
    <link:label id="lab_bsac_KoreaExchangeBankMember_label_en-US" xlink:label="lab_bsac_KoreaExchangeBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Korea Exchange Bank [Member]</link:label>
    <link:label id="lab_bsac_KoreaExchangeBankMember_documentation_en-US" xlink:label="lab_bsac_KoreaExchangeBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Korea Exchange Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_KoreaExchangeBankMember" xlink:href="bsac-20251231.xsd#bsac_KoreaExchangeBankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_KoreaExchangeBankMember" xlink:to="lab_bsac_KoreaExchangeBankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInFinancialInvestments_631b8aed-b468-4124-ada6-08afdaea8dcf_negatedLabel_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInFinancialInvestments" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">(Increase)/decrease of financial investments</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInFinancialInvestments_label_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInFinancialInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Decrease Increase In Financial Investments</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInFinancialInvestments_documentation_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInFinancialInvestments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustments for decrease increase in financial investments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentsForDecreaseIncreaseInFinancialInvestments" xlink:href="bsac-20251231.xsd#bsac_AdjustmentsForDecreaseIncreaseInFinancialInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentsForDecreaseIncreaseInFinancialInvestments" xlink:to="lab_bsac_AdjustmentsForDecreaseIncreaseInFinancialInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss_4f881d0d-8af4-4c68-8807-d139bedddd99_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other non-cash items</link:label>
    <link:label id="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss_label_en-US" xlink:label="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other adjustments to reconcile profit (loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherAdjustmentsToReconcileProfitLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:to="lab_ifrs-full_OtherAdjustmentsToReconcileProfitLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskTable_9e73f125-2178-4bc8-a25b-7da37f4619a0_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Exchange Rate Risk [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskTable_label_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Exchange Rate Risk [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Exchange Rate Risk [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskTable" xlink:to="lab_bsac_ScheduleOfForecastedCashFlowsForExchangeRateRiskTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HedgedItemInflowsMember_5f43c4ad-52c2-45c3-a383-53b77f7505d6_terseLabel_en-US" xlink:label="lab_bsac_HedgedItemInflowsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inflows</link:label>
    <link:label id="lab_bsac_HedgedItemInflowsMember_label_en-US" xlink:label="lab_bsac_HedgedItemInflowsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedged Item Inflows [Member]</link:label>
    <link:label id="lab_bsac_HedgedItemInflowsMember_documentation_en-US" xlink:label="lab_bsac_HedgedItemInflowsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hedged Item Inflows</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HedgedItemInflowsMember" xlink:href="bsac-20251231.xsd#bsac_HedgedItemInflowsMember"/>
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    <link:label id="lab_ifrs-full_TransferFromToInventoriesAndOwnerOccupiedPropertyInvestmentProperty_76c7ffa4-cf59-4395-aefb-628569cffb69_terseLabel_en-US" xlink:label="lab_ifrs-full_TransferFromToInventoriesAndOwnerOccupiedPropertyInvestmentProperty" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Excess minority investment</link:label>
    <link:label id="lab_ifrs-full_TransferFromToInventoriesAndOwnerOccupiedPropertyInvestmentProperty_label_en-US" xlink:label="lab_ifrs-full_TransferFromToInventoriesAndOwnerOccupiedPropertyInvestmentProperty" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfer from (to) inventories and owner-occupied property, investment property</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TransferFromToInventoriesAndOwnerOccupiedPropertyInvestmentProperty" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TransferFromToInventoriesAndOwnerOccupiedPropertyInvestmentProperty"/>
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    <link:label id="lab_bsac_OtherFinancialInstrumetsMember_fd75de63-ea79-4f23-9b67-98622ee02813_terseLabel_en-US" xlink:label="lab_bsac_OtherFinancialInstrumetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other financial instrumets</link:label>
    <link:label id="lab_bsac_OtherFinancialInstrumetsMember_label_en-US" xlink:label="lab_bsac_OtherFinancialInstrumetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Financial Instrumets [Member]</link:label>
    <link:label id="lab_bsac_OtherFinancialInstrumetsMember_documentation_en-US" xlink:label="lab_bsac_OtherFinancialInstrumetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Financial Instrumets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherFinancialInstrumetsMember" xlink:href="bsac-20251231.xsd#bsac_OtherFinancialInstrumetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherFinancialInstrumetsMember" xlink:to="lab_bsac_OtherFinancialInstrumetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Statement1Table_c83b8d92-ffca-4566-84b2-54f32f608492_terseLabel_en-US" xlink:label="lab_bsac_Statement1Table" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Table]</link:label>
    <link:label id="lab_bsac_Statement1Table_label_en-US" xlink:label="lab_bsac_Statement1Table" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement1 [Table]</link:label>
    <link:label id="lab_bsac_Statement1Table_documentation_en-US" xlink:label="lab_bsac_Statement1Table" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Statement1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Statement1Table" xlink:href="bsac-20251231.xsd#bsac_Statement1Table"/>
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    <link:label id="lab_bsac_MortgageLeasingHouseholdAndBusinessMember_60d024ae-d9cd-4168-8700-525aefc1ad56_terseLabel_en-US" xlink:label="lab_bsac_MortgageLeasingHouseholdAndBusinessMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage leasing (household and business)</link:label>
    <link:label id="lab_bsac_MortgageLeasingHouseholdAndBusinessMember_label_en-US" xlink:label="lab_bsac_MortgageLeasingHouseholdAndBusinessMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Leasing Household And Business [Member]</link:label>
    <link:label id="lab_bsac_MortgageLeasingHouseholdAndBusinessMember_documentation_en-US" xlink:label="lab_bsac_MortgageLeasingHouseholdAndBusinessMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage Leasing Household And Business</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MortgageLeasingHouseholdAndBusinessMember" xlink:href="bsac-20251231.xsd#bsac_MortgageLeasingHouseholdAndBusinessMember"/>
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    <link:label id="lab_ifrs-full_PlanAssetsAtFairValue_b8945cdc-f56b-4632-b519-7e70dce29fc1_terseLabel_en-US" xlink:label="lab_ifrs-full_PlanAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Plan assets</link:label>
    <link:label id="lab_ifrs-full_PlanAssetsAtFairValue_0a674fbd-fcb5-40d3-b63c-ec06c28cc010_verboseLabel_en-US" xlink:label="lab_ifrs-full_PlanAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Opening balance</link:label>
    <link:label id="lab_ifrs-full_PlanAssetsAtFairValue_label_en-US" xlink:label="lab_ifrs-full_PlanAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Plan assets, at fair value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PlanAssetsAtFairValue" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PlanAssetsAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PlanAssetsAtFairValue" xlink:to="lab_ifrs-full_PlanAssetsAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansAndReceivablesBeforeAllowances_c0e41642-fd59-4937-bf89-8358486b5844_terseLabel_en-US" xlink:label="lab_bsac_LoansAndReceivablesBeforeAllowances" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets before allowances</link:label>
    <link:label id="lab_bsac_LoansAndReceivablesBeforeAllowances_label_en-US" xlink:label="lab_bsac_LoansAndReceivablesBeforeAllowances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Receivables Before Allowances</link:label>
    <link:label id="lab_bsac_LoansAndReceivablesBeforeAllowances_documentation_en-US" xlink:label="lab_bsac_LoansAndReceivablesBeforeAllowances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to loans and receivables before allowances.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansAndReceivablesBeforeAllowances" xlink:href="bsac-20251231.xsd#bsac_LoansAndReceivablesBeforeAllowances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansAndReceivablesBeforeAllowances" xlink:to="lab_bsac_LoansAndReceivablesBeforeAllowances" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_107ac96d-f5cf-471f-afdb-406eab4482c0_terseLabel_en-US" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">E &#8211; EFFECTS OF FOREIGN EXCHANGE RATE FLUCTUATIONS</link:label>
    <link:label id="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effect of exchange rate changes on cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:to="lab_ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentFlag_27be2a6a-2d3f-4cbb-a6a8-8c64479216b4_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_label_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AmendmentFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag" xlink:to="lab_dei_AmendmentFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfRegulatoryCapitalFinancialInstrumentsTableTextBlock_7d8f9c27-958b-4355-95f1-7a2d98a22051_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfRegulatoryCapitalFinancialInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Regulatory Capital Financial Instruments</link:label>
    <link:label id="lab_bsac_ScheduleOfRegulatoryCapitalFinancialInstrumentsTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfRegulatoryCapitalFinancialInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Regulatory Capital Financial Instruments [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfRegulatoryCapitalFinancialInstrumentsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfRegulatoryCapitalFinancialInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Regulatory Capital Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfRegulatoryCapitalFinancialInstrumentsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfRegulatoryCapitalFinancialInstrumentsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfRegulatoryCapitalFinancialInstrumentsTableTextBlock" xlink:to="lab_bsac_ScheduleOfRegulatoryCapitalFinancialInstrumentsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract_3c370271-370c-4d4f-adff-fa16f84d1ad9_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:to="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IndividualUpToFifteenDaysMember_0da1497f-145b-4d00-9889-6f621b80586e_terseLabel_en-US" xlink:label="lab_bsac_IndividualUpToFifteenDaysMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Up to 15 days</link:label>
    <link:label id="lab_bsac_IndividualUpToFifteenDaysMember_label_en-US" xlink:label="lab_bsac_IndividualUpToFifteenDaysMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Individual Up To Fifteen Days [Member]</link:label>
    <link:label id="lab_bsac_IndividualUpToFifteenDaysMember_documentation_en-US" xlink:label="lab_bsac_IndividualUpToFifteenDaysMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Individual Up To Fifteen Days</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IndividualUpToFifteenDaysMember" xlink:href="bsac-20251231.xsd#bsac_IndividualUpToFifteenDaysMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IndividualUpToFifteenDaysMember" xlink:to="lab_bsac_IndividualUpToFifteenDaysMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeFromInterestAndReadjustmentsPlusCommissions_462dacd0-f2ef-4b27-b903-74933199a99c_terseLabel_en-US" xlink:label="lab_bsac_NetIncomeFromInterestAndReadjustmentsPlusCommissions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Limit = 35% net (net income from interest and readjustments + interest rates sensitive commissions)</link:label>
    <link:label id="lab_bsac_NetIncomeFromInterestAndReadjustmentsPlusCommissions_label_en-US" xlink:label="lab_bsac_NetIncomeFromInterestAndReadjustmentsPlusCommissions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income From Interest And Readjustments Plus Commissions</link:label>
    <link:label id="lab_bsac_NetIncomeFromInterestAndReadjustmentsPlusCommissions_documentation_en-US" xlink:label="lab_bsac_NetIncomeFromInterestAndReadjustmentsPlusCommissions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net income from interest and readjustments plus interest rates sensitive commissions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeFromInterestAndReadjustmentsPlusCommissions" xlink:href="bsac-20251231.xsd#bsac_NetIncomeFromInterestAndReadjustmentsPlusCommissions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomeFromInterestAndReadjustmentsPlusCommissions" xlink:to="lab_bsac_NetIncomeFromInterestAndReadjustmentsPlusCommissions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OperatingExpense_ec5bea3d-6ce5-480f-adad-4dd2bd18035a_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_OperatingExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">TOTAL OPERATING EXPENSES</link:label>
    <link:label id="lab_ifrs-full_OperatingExpense_label_en-US" xlink:label="lab_ifrs-full_OperatingExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OperatingExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OperatingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingExpense" xlink:to="lab_ifrs-full_OperatingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfPostEmploymentBenefitsTable_dd241972-125e-4b86-9a37-85c8f68db046_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfPostEmploymentBenefitsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Post-Employment Benefits [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfPostEmploymentBenefitsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfPostEmploymentBenefitsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Post-Employment Benefits [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfPostEmploymentBenefitsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfPostEmploymentBenefitsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Post-Employment Benefits [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfPostEmploymentBenefitsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfPostEmploymentBenefitsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfPostEmploymentBenefitsTable" xlink:to="lab_bsac_ScheduleOfPostEmploymentBenefitsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinanceIncomeCost_de843c75-7e7e-4af3-9732-f52be308962a_terseLabel_en-US" xlink:label="lab_ifrs-full_FinanceIncomeCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income/(expense) from financial assets and liabilities for trading</link:label>
    <link:label id="lab_ifrs-full_FinanceIncomeCost_label_en-US" xlink:label="lab_ifrs-full_FinanceIncomeCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance income (cost)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinanceIncomeCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinanceIncomeCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinanceIncomeCost" xlink:to="lab_ifrs-full_FinanceIncomeCost" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesLiabilities_d57a4b45-5bbb-44e7-a17a-39bb09c5d682_terseLabel_en-US" xlink:label="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:label id="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesLiabilities_label_en-US" xlink:label="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments In Subsidiaries Joint Ventures And Associates Liabilities</link:label>
    <link:label id="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesLiabilities_documentation_en-US" xlink:label="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of investments accounted for using the equity method. The equity method is a method of accounting whereby the investment is initially recognised at cost and adjusted thereafter for the post-acquisition change in the investor's share of net assets of the investee. The investor's profit or loss includes its share of the profit or loss of the investee. The investor's other comprehensive income includes its share of the other comprehensive income of the investee.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesLiabilities" xlink:href="bsac-20251231.xsd#bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesLiabilities" xlink:to="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ContingenciesMember_3a6fb3b9-b77d-4bc8-a175-92114209fb4c_terseLabel_en-US" xlink:label="lab_bsac_ContingenciesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingencies</link:label>
    <link:label id="lab_bsac_ContingenciesMember_label_en-US" xlink:label="lab_bsac_ContingenciesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingencies [Member]</link:label>
    <link:label id="lab_bsac_ContingenciesMember_documentation_en-US" xlink:label="lab_bsac_ContingenciesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingencies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ContingenciesMember" xlink:href="bsac-20251231.xsd#bsac_ContingenciesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ContingenciesMember" xlink:to="lab_bsac_ContingenciesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage3_1a650b4c-8660-4c14-ad77-e176dad66fc4_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 2 to stage 3</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage3_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Allowances Transfers From Stage2 To Stage3</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage3_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in expected credit losses allowances resulting from transfers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage3" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage3"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage3" xlink:to="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage3" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_ffd0de2d-ea70-4047-b1c9-385e164f440e_negatedLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Income tax expense</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_256c76e5-ad6b-4a24-a3db-3aa2d671b915_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Income taxes</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxExpenseContinuingOperations_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="lab_ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage1_69de4889-b1f5-4218-9f98-030f15047a63_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 2 to stage 1</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage1_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Allowances Transfers From Stage2 To Stage1</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage1_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in expected credit losses allowances resulting from transfers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage1" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage1" xlink:to="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage2ToStage1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommercialLoansPortfolioMember_70f9e394-7ea2-4c9a-9141-6a8d5b0089bf_terseLabel_en-US" xlink:label="lab_bsac_CommercialLoansPortfolioMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial loans</link:label>
    <link:label id="lab_bsac_CommercialLoansPortfolioMember_0baad463-6134-44cf-9f3f-bfb9e8a30d57_verboseLabel_en-US" xlink:label="lab_bsac_CommercialLoansPortfolioMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Commercial loans</link:label>
    <link:label id="lab_bsac_CommercialLoansPortfolioMember_label_en-US" xlink:label="lab_bsac_CommercialLoansPortfolioMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial Loans Portfolio [Member]</link:label>
    <link:label id="lab_bsac_CommercialLoansPortfolioMember_documentation_en-US" xlink:label="lab_bsac_CommercialLoansPortfolioMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercial Loans Portfolio</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommercialLoansPortfolioMember" xlink:href="bsac-20251231.xsd#bsac_CommercialLoansPortfolioMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommercialLoansPortfolioMember" xlink:to="lab_bsac_CommercialLoansPortfolioMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansGrantedToRelatedParties_303eddda-66a5-40df-8804-9d42c97ed7e5_terseLabel_en-US" xlink:label="lab_bsac_LoansGrantedToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans granted</link:label>
    <link:label id="lab_bsac_LoansGrantedToRelatedParties_label_en-US" xlink:label="lab_bsac_LoansGrantedToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Granted To Related Parties</link:label>
    <link:label id="lab_bsac_LoansGrantedToRelatedParties_documentation_en-US" xlink:label="lab_bsac_LoansGrantedToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of loan granted to related party during the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansGrantedToRelatedParties" xlink:href="bsac-20251231.xsd#bsac_LoansGrantedToRelatedParties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansGrantedToRelatedParties" xlink:to="lab_bsac_LoansGrantedToRelatedParties" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherDebtFinancialInstrumentsMember_06d08b1a-20b3-42ea-ae98-f5f68507df70_terseLabel_en-US" xlink:label="lab_bsac_OtherDebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Chilean debt financial instruments</link:label>
    <link:label id="lab_bsac_OtherDebtFinancialInstrumentsMember_label_en-US" xlink:label="lab_bsac_OtherDebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Debt Financial Instruments [Member]</link:label>
    <link:label id="lab_bsac_OtherDebtFinancialInstrumentsMember_documentation_en-US" xlink:label="lab_bsac_OtherDebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Debt Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherDebtFinancialInstrumentsMember" xlink:href="bsac-20251231.xsd#bsac_OtherDebtFinancialInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherDebtFinancialInstrumentsMember" xlink:to="lab_bsac_OtherDebtFinancialInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory_e6ee8442-7c8e-484e-b834-078290f8ca4b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk Management</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial risk management [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialRiskManagementExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialRiskManagementExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember_aace4e1d-3c7f-48f4-8ba0-5fde7432ad3f_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities at amortised cost</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities at amortised cost, class [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCostMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BondHedgingDerivativesMember_ed64870a-2992-4328-badd-5d37d9e598a5_terseLabel_en-US" xlink:label="lab_bsac_BondHedgingDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bond hedging derivatives</link:label>
    <link:label id="lab_bsac_BondHedgingDerivativesMember_label_en-US" xlink:label="lab_bsac_BondHedgingDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bond Hedging Derivatives [Member]</link:label>
    <link:label id="lab_bsac_BondHedgingDerivativesMember_documentation_en-US" xlink:label="lab_bsac_BondHedgingDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Classes of assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BondHedgingDerivativesMember" xlink:href="bsac-20251231.xsd#bsac_BondHedgingDerivativesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BondHedgingDerivativesMember" xlink:to="lab_bsac_BondHedgingDerivativesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NoncurrentAssetsHeldForSaleSubtotal_7828cdec-a101-4435-a12a-8408753a420a_totalLabel_en-US" xlink:label="lab_bsac_NoncurrentAssetsHeldForSaleSubtotal" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_bsac_NoncurrentAssetsHeldForSaleSubtotal_label_en-US" xlink:label="lab_bsac_NoncurrentAssetsHeldForSaleSubtotal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncurrent Assets Held For Sale Subtotal</link:label>
    <link:label id="lab_bsac_NoncurrentAssetsHeldForSaleSubtotal_documentation_en-US" xlink:label="lab_bsac_NoncurrentAssetsHeldForSaleSubtotal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The subtotal of non current assets held for sale subtotal.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NoncurrentAssetsHeldForSaleSubtotal" xlink:href="bsac-20251231.xsd#bsac_NoncurrentAssetsHeldForSaleSubtotal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NoncurrentAssetsHeldForSaleSubtotal" xlink:to="lab_bsac_NoncurrentAssetsHeldForSaleSubtotal" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansAndReceivablesBeforeAllowance_3afc8406-dbd3-4b42-8f93-c0cc285b3657_periodStartLabel_en-US" xlink:label="lab_bsac_LoansAndReceivablesBeforeAllowance" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Gross carrying amount, Beginning balance</link:label>
    <link:label id="lab_bsac_LoansAndReceivablesBeforeAllowance_87a36b30-a815-4d66-b3ec-ad6b53fe07fe_periodEndLabel_en-US" xlink:label="lab_bsac_LoansAndReceivablesBeforeAllowance" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Gross carrying amount, Ending balance</link:label>
    <link:label id="lab_bsac_LoansAndReceivablesBeforeAllowance_label_en-US" xlink:label="lab_bsac_LoansAndReceivablesBeforeAllowance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Receivables Before Allowance</link:label>
    <link:label id="lab_bsac_LoansAndReceivablesBeforeAllowance_documentation_en-US" xlink:label="lab_bsac_LoansAndReceivablesBeforeAllowance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gross carrying amount, Beginning balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansAndReceivablesBeforeAllowance" xlink:href="bsac-20251231.xsd#bsac_LoansAndReceivablesBeforeAllowance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansAndReceivablesBeforeAllowance" xlink:to="lab_bsac_LoansAndReceivablesBeforeAllowance" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DepositsInForeignBanks_c338a23e-95c1-4097-b5ef-02af85ca1e66_terseLabel_en-US" xlink:label="lab_bsac_DepositsInForeignBanks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits in banks abroad</link:label>
    <link:label id="lab_bsac_DepositsInForeignBanks_label_en-US" xlink:label="lab_bsac_DepositsInForeignBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits In foreign Banks</link:label>
    <link:label id="lab_bsac_DepositsInForeignBanks_documentation_en-US" xlink:label="lab_bsac_DepositsInForeignBanks" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of deposits in foreign banks.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DepositsInForeignBanks" xlink:href="bsac-20251231.xsd#bsac_DepositsInForeignBanks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DepositsInForeignBanks" xlink:to="lab_bsac_DepositsInForeignBanks" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A8XBSTD230822Member_019bf9b5-ea2a-7a44-b4fd-f674c4f111af_terseLabel_en-US" xlink:label="lab_bsac_A8XBSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">8XBSTD230822</link:label>
    <link:label id="lab_bsac_A8XBSTD230822Member_label_en-US" xlink:label="lab_bsac_A8XBSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">8XBSTD230822 [Member]</link:label>
    <link:label id="lab_bsac_A8XBSTD230822Member_documentation_en-US" xlink:label="lab_bsac_A8XBSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">8XBSTD230822</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A8XBSTD230822Member" xlink:href="bsac-20251231.xsd#bsac_A8XBSTD230822Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A8XBSTD230822Member" xlink:to="lab_bsac_A8XBSTD230822Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionForLoanLossesNet_0cfd40f4-a0f2-4f2c-bdef-1877f209f811_negatedTotalLabel_en-US" xlink:label="lab_bsac_ProvisionForLoanLossesNet" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Provision for loan losses &#8211; net</link:label>
    <link:label id="lab_bsac_ProvisionForLoanLossesNet_label_en-US" xlink:label="lab_bsac_ProvisionForLoanLossesNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision For Loan Losses Net</link:label>
    <link:label id="lab_bsac_ProvisionForLoanLossesNet_documentation_en-US" xlink:label="lab_bsac_ProvisionForLoanLossesNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about provision for loan losses net.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionForLoanLossesNet" xlink:href="bsac-20251231.xsd#bsac_ProvisionForLoanLossesNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionForLoanLossesNet" xlink:to="lab_bsac_ProvisionForLoanLossesNet" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersLineItems_a3b14f73-550b-43a4-a518-d7115946bffe_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss Loans to Consumers [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss Loans to Consumers [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss Loans to Consumers [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersLineItems" xlink:to="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteOffAllowanceAmount_12c7c22c-0fed-4311-91bb-9174fe977352_negatedTerseLabel_en-US" xlink:label="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteOffAllowanceAmount" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Assets derecognised or matured (excluding write-off)</link:label>
    <link:label id="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteOffAllowanceAmount_label_en-US" xlink:label="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteOffAllowanceAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Derecognized Or Matured, Excluding Write-off Allowance Amount</link:label>
    <link:label id="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteOffAllowanceAmount_documentation_en-US" xlink:label="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteOffAllowanceAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Assets Derecognized Or Matured, Excluding Write-off Allowance Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsDerecognizedOrMaturedExcludingWriteOffAllowanceAmount" xlink:href="bsac-20251231.xsd#bsac_AssetsDerecognizedOrMaturedExcludingWriteOffAllowanceAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsDerecognizedOrMaturedExcludingWriteOffAllowanceAmount" xlink:to="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteOffAllowanceAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfHighLowAndAverageLevelsLineItems_f5195191-e45e-42d0-8e24-a3a7537683a1_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfHighLowAndAverageLevelsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of High, Low and Average Levels [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfHighLowAndAverageLevelsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfHighLowAndAverageLevelsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of High, Low and Average Levels [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfHighLowAndAverageLevelsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfHighLowAndAverageLevelsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of High, Low and Average Levels [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfHighLowAndAverageLevelsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfHighLowAndAverageLevelsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfHighLowAndAverageLevelsLineItems" xlink:to="lab_bsac_ScheduleOfHighLowAndAverageLevelsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTextBlock_c816d1f1-ce39-4b4b-93c7-a34f98829c15_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Assets at Fair Value Through Other Comprehensive Income</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTextBlock_label_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets At Fair Value Through Other Comprehensive Income [Text Block]</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTextBlock_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Assets at Fair Value Through Other Comprehensive Income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTextBlock" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTextBlock" xlink:to="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SharesOfCommonStockWithoutParValueMember_fc4c6aef-86d1-4f0d-a0e4-45ba9dfe0d41_terseLabel_en-US" xlink:label="lab_bsac_SharesOfCommonStockWithoutParValueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares of Common Stock, without par value</link:label>
    <link:label id="lab_bsac_SharesOfCommonStockWithoutParValueMember_label_en-US" xlink:label="lab_bsac_SharesOfCommonStockWithoutParValueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Of Common Stock Without Par Value [Member]</link:label>
    <link:label id="lab_bsac_SharesOfCommonStockWithoutParValueMember_documentation_en-US" xlink:label="lab_bsac_SharesOfCommonStockWithoutParValueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shares Of Common Stock Without Par Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SharesOfCommonStockWithoutParValueMember" xlink:href="bsac-20251231.xsd#bsac_SharesOfCommonStockWithoutParValueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SharesOfCommonStockWithoutParValueMember" xlink:to="lab_bsac_SharesOfCommonStockWithoutParValueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TimeDepositsAndOtherTimeLiabilities_d8e4f73a-15e3-496b-8c19-0b58c8fe9791_terseLabel_en-US" xlink:label="lab_bsac_TimeDepositsAndOtherTimeLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Time deposits and other time liabilities</link:label>
    <link:label id="lab_bsac_TimeDepositsAndOtherTimeLiabilities_label_en-US" xlink:label="lab_bsac_TimeDepositsAndOtherTimeLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Time Deposits And Other Time Liabilities</link:label>
    <link:label id="lab_bsac_TimeDepositsAndOtherTimeLiabilities_documentation_en-US" xlink:label="lab_bsac_TimeDepositsAndOtherTimeLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about time deposits and other time liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TimeDepositsAndOtherTimeLiabilities" xlink:href="bsac-20251231.xsd#bsac_TimeDepositsAndOtherTimeLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TimeDepositsAndOtherTimeLiabilities" xlink:to="lab_bsac_TimeDepositsAndOtherTimeLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfAssociatesLineItems_9921abce-9c52-49c3-bc68-e49463e6f799_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAssociatesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Associates [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssociatesLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfAssociatesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Associates [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssociatesLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAssociatesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Associates [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAssociatesLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAssociatesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAssociatesLineItems" xlink:to="lab_bsac_ScheduleOfAssociatesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_977ce5a7-50e8-4d4f-ab10-252bcc176026_terseLabel_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions other than through business combinations, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesCorporateAssessedMember_ec97ecf8-817c-44af-a4a7-63625f17e047_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesCorporateAssessedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Corporate loans</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesCorporateAssessedMember_2d76f316-b786-4f99-98d2-be5b85a0c311_verboseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesCorporateAssessedMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Collective</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesCorporateAssessedMember_6b5ea089-9391-469e-9ee0-242284be4791_netLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesCorporateAssessedMember" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Corporate</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesCorporateAssessedMember_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesCorporateAssessedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate loans [Member]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesCorporateAssessedMember_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesCorporateAssessedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Corporate loans [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesCorporateAssessedMember" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesCorporateAssessedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesCorporateAssessedMember" xlink:to="lab_bsac_ExpectedCreditLossesCorporateAssessedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionForSeniorityCompensation_db68086e-5b45-43e2-b00d-e9e8653c615c_terseLabel_en-US" xlink:label="lab_bsac_ProvisionForSeniorityCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for seniority compensation</link:label>
    <link:label id="lab_bsac_ProvisionForSeniorityCompensation_label_en-US" xlink:label="lab_bsac_ProvisionForSeniorityCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision For Seniority Compensation</link:label>
    <link:label id="lab_bsac_ProvisionForSeniorityCompensation_documentation_en-US" xlink:label="lab_bsac_ProvisionForSeniorityCompensation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision for seniority compensation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionForSeniorityCompensation" xlink:href="bsac-20251231.xsd#bsac_ProvisionForSeniorityCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionForSeniorityCompensation" xlink:to="lab_bsac_ProvisionForSeniorityCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTableTextBlock_51937e02-cd3b-43da-b80e-b5cad5006756_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTableTextBlock_be0c3c50-eab5-4e07-82bb-019cab8c1225_verboseLabel_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss Loans to Consumers</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Gross Carrying Amount Expected Credit Loss [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Gross Carrying Amount Expected Credit Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTableTextBlock" xlink:to="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LegalCompensationinDollars_f215e98b-0b46-49c5-8732-3a57cb945511_negatedLabel_en-US" xlink:label="lab_bsac_LegalCompensationinDollars" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Legal compensation</link:label>
    <link:label id="lab_bsac_LegalCompensationinDollars_label_en-US" xlink:label="lab_bsac_LegalCompensationinDollars" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Compensationin Dollars</link:label>
    <link:label id="lab_bsac_LegalCompensationinDollars_documentation_en-US" xlink:label="lab_bsac_LegalCompensationinDollars" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Compensation is now being awarded as a matter of right not in just criminal law, but also in constitutional law, environmental law, etc.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LegalCompensationinDollars" xlink:href="bsac-20251231.xsd#bsac_LegalCompensationinDollars"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LegalCompensationinDollars" xlink:to="lab_bsac_LegalCompensationinDollars" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncrementalInterestRate_7e297c32-e2b1-4dee-8535-e907c62691fe_terseLabel_en-US" xlink:label="lab_bsac_IncrementalInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average incremental interest rate</link:label>
    <link:label id="lab_bsac_IncrementalInterestRate_label_en-US" xlink:label="lab_bsac_IncrementalInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Incremental Interest Rate</link:label>
    <link:label id="lab_bsac_IncrementalInterestRate_documentation_en-US" xlink:label="lab_bsac_IncrementalInterestRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Incremental Interest Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncrementalInterestRate" xlink:href="bsac-20251231.xsd#bsac_IncrementalInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncrementalInterestRate" xlink:to="lab_bsac_IncrementalInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A9XBSTD230822Member_019bf9b6-0f21-753b-89ba-446964858ca8_terseLabel_en-US" xlink:label="lab_bsac_A9XBSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">9XBSTD230822</link:label>
    <link:label id="lab_bsac_A9XBSTD230822Member_label_en-US" xlink:label="lab_bsac_A9XBSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">9XBSTD230822 [Member]</link:label>
    <link:label id="lab_bsac_A9XBSTD230822Member_documentation_en-US" xlink:label="lab_bsac_A9XBSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">9XBSTD230822</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A9XBSTD230822Member" xlink:href="bsac-20251231.xsd#bsac_A9XBSTD230822Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A9XBSTD230822Member" xlink:to="lab_bsac_A9XBSTD230822Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansFromFinancialInstitutions_4ea38b32-5da5-4b0c-89cb-910602b7d427_terseLabel_en-US" xlink:label="lab_bsac_LoansFromFinancialInstitutions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans from chilean financial institutions</link:label>
    <link:label id="lab_bsac_LoansFromFinancialInstitutions_label_en-US" xlink:label="lab_bsac_LoansFromFinancialInstitutions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans From Financial Institutions</link:label>
    <link:label id="lab_bsac_LoansFromFinancialInstitutions_documentation_en-US" xlink:label="lab_bsac_LoansFromFinancialInstitutions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans from financial institutions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansFromFinancialInstitutions" xlink:href="bsac-20251231.xsd#bsac_LoansFromFinancialInstitutions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansFromFinancialInstitutions" xlink:to="lab_bsac_LoansFromFinancialInstitutions" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SubtotalOfOutsourcedServices_e49f6cbb-5dea-4f5e-bd42-ff8052485e3b_negatedTotalLabel_en-US" xlink:label="lab_bsac_SubtotalOfOutsourcedServices" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_bsac_SubtotalOfOutsourcedServices_label_en-US" xlink:label="lab_bsac_SubtotalOfOutsourcedServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subtotal of Outsourced Services</link:label>
    <link:label id="lab_bsac_SubtotalOfOutsourcedServices_documentation_en-US" xlink:label="lab_bsac_SubtotalOfOutsourcedServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of subtotal of outsourced services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubtotalOfOutsourcedServices" xlink:href="bsac-20251231.xsd#bsac_SubtotalOfOutsourcedServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubtotalOfOutsourcedServices" xlink:to="lab_bsac_SubtotalOfOutsourcedServices" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfReportingSegmentTableTextBlock_674d682e-167c-43de-bc47-9a84ee238465_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfReportingSegmentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Reporting Segment</link:label>
    <link:label id="lab_bsac_DisclosureOfReportingSegmentTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfReportingSegmentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Reporting Segment [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfReportingSegmentTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfReportingSegmentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of reporting segment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfReportingSegmentTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfReportingSegmentTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfReportingSegmentTableTextBlock" xlink:to="lab_bsac_DisclosureOfReportingSegmentTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NonresidentialConstructionMember_ed5aab8d-4d5e-4a92-a918-ac422f8b1786_terseLabel_en-US" xlink:label="lab_bsac_NonresidentialConstructionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-residential construction</link:label>
    <link:label id="lab_bsac_NonresidentialConstructionMember_label_en-US" xlink:label="lab_bsac_NonresidentialConstructionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nonresidential Construction [Member]</link:label>
    <link:label id="lab_bsac_NonresidentialConstructionMember_documentation_en-US" xlink:label="lab_bsac_NonresidentialConstructionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nonresidential Construction</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NonresidentialConstructionMember" xlink:href="bsac-20251231.xsd#bsac_NonresidentialConstructionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NonresidentialConstructionMember" xlink:to="lab_bsac_NonresidentialConstructionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OthersFinancialLiabilities_1ada525d-a381-4650-9b0e-f9903a38aeb1_totalLabel_en-US" xlink:label="lab_bsac_OthersFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Other financial liabilities</link:label>
    <link:label id="lab_bsac_OthersFinancialLiabilities_label_en-US" xlink:label="lab_bsac_OthersFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Others Financial Liabilities</link:label>
    <link:label id="lab_bsac_OthersFinancialLiabilities_documentation_en-US" xlink:label="lab_bsac_OthersFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Financial liabilities]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OthersFinancialLiabilities" xlink:href="bsac-20251231.xsd#bsac_OthersFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OthersFinancialLiabilities" xlink:to="lab_bsac_OthersFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OperationalRiskWeightedAssetsOPWA_dcae6044-43e7-4e7e-b2e5-4c8fc2a16166_terseLabel_en-US" xlink:label="lab_bsac_OperationalRiskWeightedAssetsOPWA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operational Risk Weighted Assets (OPWA)</link:label>
    <link:label id="lab_bsac_OperationalRiskWeightedAssetsOPWA_label_en-US" xlink:label="lab_bsac_OperationalRiskWeightedAssetsOPWA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operational Risk Weighted Assets OPWA</link:label>
    <link:label id="lab_bsac_OperationalRiskWeightedAssetsOPWA_documentation_en-US" xlink:label="lab_bsac_OperationalRiskWeightedAssetsOPWA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of operational risk weighted assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OperationalRiskWeightedAssetsOPWA" xlink:href="bsac-20251231.xsd#bsac_OperationalRiskWeightedAssetsOPWA"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OperationalRiskWeightedAssetsOPWA" xlink:to="lab_bsac_OperationalRiskWeightedAssetsOPWA" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMacroHedgesLineItems_b63288c6-c402-4373-b0c7-a5e9b4cea36c_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMacroHedgesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Macro-Hedges [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfMacroHedgesLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfMacroHedgesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Macro-Hedges [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfMacroHedgesLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMacroHedgesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Macro-Hedges [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMacroHedgesLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMacroHedgesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfMacroHedgesLineItems" xlink:to="lab_bsac_ScheduleOfMacroHedgesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherNonMortgageLeasingTransactionsMember_1b04271d-c20f-4411-8a93-80d0672bfe83_terseLabel_en-US" xlink:label="lab_bsac_OtherNonMortgageLeasingTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other non-mortgage leasing transactions</link:label>
    <link:label id="lab_bsac_OtherNonMortgageLeasingTransactionsMember_label_en-US" xlink:label="lab_bsac_OtherNonMortgageLeasingTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Non Mortgage Leasing Transactions [Member]</link:label>
    <link:label id="lab_bsac_OtherNonMortgageLeasingTransactionsMember_documentation_en-US" xlink:label="lab_bsac_OtherNonMortgageLeasingTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Non Mortgage Leasing Transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherNonMortgageLeasingTransactionsMember" xlink:href="bsac-20251231.xsd#bsac_OtherNonMortgageLeasingTransactionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherNonMortgageLeasingTransactionsMember" xlink:to="lab_bsac_OtherNonMortgageLeasingTransactionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BancoSantanderBrasilMember_019b31de-2344-715c-90d0-cef72350294e_terseLabel_en-US" xlink:label="lab_bsac_BancoSantanderBrasilMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Banco Santander Brasil</link:label>
    <link:label id="lab_bsac_BancoSantanderBrasilMember_label_en-US" xlink:label="lab_bsac_BancoSantanderBrasilMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banco Santander Brasil [Member]</link:label>
    <link:label id="lab_bsac_BancoSantanderBrasilMember_documentation_en-US" xlink:label="lab_bsac_BancoSantanderBrasilMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banco Santander Brasil</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BancoSantanderBrasilMember" xlink:href="bsac-20251231.xsd#bsac_BancoSantanderBrasilMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BancoSantanderBrasilMember" xlink:to="lab_bsac_BancoSantanderBrasilMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DocumentsHeldByOtherBanks_6981433a-1267-4117-9c95-038155f3f13b_terseLabel_en-US" xlink:label="lab_bsac_DocumentsHeldByOtherBanks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Documents held by other banks (documents to be cleared)</link:label>
    <link:label id="lab_bsac_DocumentsHeldByOtherBanks_label_en-US" xlink:label="lab_bsac_DocumentsHeldByOtherBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Documents Held By Other Banks</link:label>
    <link:label id="lab_bsac_DocumentsHeldByOtherBanks_documentation_en-US" xlink:label="lab_bsac_DocumentsHeldByOtherBanks" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of documents held by other banks.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DocumentsHeldByOtherBanks" xlink:href="bsac-20251231.xsd#bsac_DocumentsHeldByOtherBanks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DocumentsHeldByOtherBanks" xlink:to="lab_bsac_DocumentsHeldByOtherBanks" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CrossCurrencySwapsMember_3610c5f7-a074-4e9b-b9e2-5190c1f5d103_terseLabel_en-US" xlink:label="lab_bsac_CrossCurrencySwapsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cross currency swaps</link:label>
    <link:label id="lab_bsac_CrossCurrencySwapsMember_label_en-US" xlink:label="lab_bsac_CrossCurrencySwapsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cross Currency Swaps [Member]</link:label>
    <link:label id="lab_bsac_CrossCurrencySwapsMember_documentation_en-US" xlink:label="lab_bsac_CrossCurrencySwapsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cross Currency Swaps</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CrossCurrencySwapsMember" xlink:href="bsac-20251231.xsd#bsac_CrossCurrencySwapsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CrossCurrencySwapsMember" xlink:to="lab_bsac_CrossCurrencySwapsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofMaturitiesofSubordinatedBondLineItems_b960aa12-8e3e-41b5-b785-c7a18a72eb35_terseLabel_en-US" xlink:label="lab_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofMaturitiesofSubordinatedBondLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of maturities of subordinated bond [Abstract]</link:label>
    <link:label id="lab_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofMaturitiesofSubordinatedBondLineItems_label_en-US" xlink:label="lab_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofMaturitiesofSubordinatedBondLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of maturities of subordinated bond [Abstract]</link:label>
    <link:label id="lab_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofMaturitiesofSubordinatedBondLineItems_documentation_en-US" xlink:label="lab_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofMaturitiesofSubordinatedBondLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of maturities of subordinated bond [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofMaturitiesofSubordinatedBondLineItems" xlink:href="bsac-20251231.xsd#bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofMaturitiesofSubordinatedBondLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofMaturitiesofSubordinatedBondLineItems" xlink:to="lab_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofMaturitiesofSubordinatedBondLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OptionPricingModelMember_7255c6d7-6db9-4684-9987-d0716fce3251_terseLabel_en-US" xlink:label="lab_ifrs-full_OptionPricingModelMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">FX option pricing model</link:label>
    <link:label id="lab_ifrs-full_OptionPricingModelMember_label_en-US" xlink:label="lab_ifrs-full_OptionPricingModelMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Option pricing model [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OptionPricingModelMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OptionPricingModelMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OptionPricingModelMember" xlink:to="lab_ifrs-full_OptionPricingModelMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MicroHedgeAccountingValue_2f238eb2-10ea-4854-bdc7-0c3a90cf96c1_terseLabel_en-US" xlink:label="lab_bsac_MicroHedgeAccountingValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_MicroHedgeAccountingValue_label_en-US" xlink:label="lab_bsac_MicroHedgeAccountingValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Micro Hedge Accounting Value</link:label>
    <link:label id="lab_bsac_MicroHedgeAccountingValue_documentation_en-US" xlink:label="lab_bsac_MicroHedgeAccountingValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The Amount of Micro hedge accounting.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MicroHedgeAccountingValue" xlink:href="bsac-20251231.xsd#bsac_MicroHedgeAccountingValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MicroHedgeAccountingValue" xlink:to="lab_bsac_MicroHedgeAccountingValue" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MarketRiskVaRConfidenceLevelPercentage_02fbfa1c-2014-45ef-b132-1bc7ce776539_terseLabel_en-US" xlink:label="lab_bsac_MarketRiskVaRConfidenceLevelPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level of confidence percentage</link:label>
    <link:label id="lab_bsac_MarketRiskVaRConfidenceLevelPercentage_label_en-US" xlink:label="lab_bsac_MarketRiskVaRConfidenceLevelPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Risk, VaR, Confidence Level, Percentage</link:label>
    <link:label id="lab_bsac_MarketRiskVaRConfidenceLevelPercentage_documentation_en-US" xlink:label="lab_bsac_MarketRiskVaRConfidenceLevelPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market Risk, VaR, Confidence Level, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MarketRiskVaRConfidenceLevelPercentage" xlink:href="bsac-20251231.xsd#bsac_MarketRiskVaRConfidenceLevelPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MarketRiskVaRConfidenceLevelPercentage" xlink:to="lab_bsac_MarketRiskVaRConfidenceLevelPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialLiabilitiesDepositsAndInterbankBorrowingsCategoryMember_9e1b910f-3eb2-4c20-836b-e2ce579ec30c_terseLabel_en-US" xlink:label="lab_bsac_FinancialLiabilitiesDepositsAndInterbankBorrowingsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits and other demand liabilities</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesDepositsAndInterbankBorrowingsCategoryMember_label_en-US" xlink:label="lab_bsac_FinancialLiabilitiesDepositsAndInterbankBorrowingsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Liabilities Deposits And Interbank Borrowings Category [Member]</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesDepositsAndInterbankBorrowingsCategoryMember_documentation_en-US" xlink:label="lab_bsac_FinancialLiabilitiesDepositsAndInterbankBorrowingsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Liabilities Deposits And Interbank Borrowings Category</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialLiabilitiesDepositsAndInterbankBorrowingsCategoryMember" xlink:href="bsac-20251231.xsd#bsac_FinancialLiabilitiesDepositsAndInterbankBorrowingsCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialLiabilitiesDepositsAndInterbankBorrowingsCategoryMember" xlink:to="lab_bsac_FinancialLiabilitiesDepositsAndInterbankBorrowingsCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfHedges_6eb20b83-8fc4-4888-8945-fb192b921eeb_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfHedges" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of hedges</link:label>
    <link:label id="lab_bsac_PercentageOfHedges_label_en-US" xlink:label="lab_bsac_PercentageOfHedges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Hedges</link:label>
    <link:label id="lab_bsac_PercentageOfHedges_documentation_en-US" xlink:label="lab_bsac_PercentageOfHedges" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of hedges.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfHedges" xlink:href="bsac-20251231.xsd#bsac_PercentageOfHedges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfHedges" xlink:to="lab_bsac_PercentageOfHedges" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A2XBSTDBI0525Member_019bf9be-665d-7e86-92d9-86ce2f1a2cb7_terseLabel_en-US" xlink:label="lab_bsac_A2XBSTDBI0525Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2XBSTDBI0525</link:label>
    <link:label id="lab_bsac_A2XBSTDBI0525Member_label_en-US" xlink:label="lab_bsac_A2XBSTDBI0525Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2XBSTDBI0525 [Member]</link:label>
    <link:label id="lab_bsac_A2XBSTDBI0525Member_documentation_en-US" xlink:label="lab_bsac_A2XBSTDBI0525Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2XBSTDBI0525</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A2XBSTDBI0525Member" xlink:href="bsac-20251231.xsd#bsac_A2XBSTDBI0525Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A2XBSTDBI0525Member" xlink:to="lab_bsac_A2XBSTDBI0525Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentSubtotal_66ff65c9-1291-4ec8-8f3f-deaec958d585_totalLabel_en-US" xlink:label="lab_bsac_AdjustmentSubtotal" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_bsac_AdjustmentSubtotal_label_en-US" xlink:label="lab_bsac_AdjustmentSubtotal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment Subtotal</link:label>
    <link:label id="lab_bsac_AdjustmentSubtotal_documentation_en-US" xlink:label="lab_bsac_AdjustmentSubtotal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of subtotal.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentSubtotal" xlink:href="bsac-20251231.xsd#bsac_AdjustmentSubtotal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentSubtotal" xlink:to="lab_bsac_AdjustmentSubtotal" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PreferredSharesAttributedToAdditionalCapitalTier_fb5c3438-83e1-489e-ace7-c7d61da64520_terseLabel_en-US" xlink:label="lab_bsac_PreferredSharesAttributedToAdditionalCapitalTier" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred shares attributed to additional capital tier 1 (AT1)</link:label>
    <link:label id="lab_bsac_PreferredSharesAttributedToAdditionalCapitalTier_label_en-US" xlink:label="lab_bsac_PreferredSharesAttributedToAdditionalCapitalTier" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Shares Attributed To Additional Capital Tier</link:label>
    <link:label id="lab_bsac_PreferredSharesAttributedToAdditionalCapitalTier_documentation_en-US" xlink:label="lab_bsac_PreferredSharesAttributedToAdditionalCapitalTier" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of preferred shares attributed to additional capital tier.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PreferredSharesAttributedToAdditionalCapitalTier" xlink:href="bsac-20251231.xsd#bsac_PreferredSharesAttributedToAdditionalCapitalTier"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PreferredSharesAttributedToAdditionalCapitalTier" xlink:to="lab_bsac_PreferredSharesAttributedToAdditionalCapitalTier" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrencyRiskMember_86d4c55d-12b1-42fb-96ea-0253c4b5593f_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency risk</link:label>
    <link:label id="lab_ifrs-full_CurrencyRiskMember_label_en-US" xlink:label="lab_ifrs-full_CurrencyRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrencyRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrencyRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrencyRiskMember" xlink:to="lab_ifrs-full_CurrencyRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialDebtInstrumentsLineItems_21d77f3a-ce44-4482-a1b3-4f9ff391827a_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialDebtInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Debt Instruments [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialDebtInstrumentsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialDebtInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Debt Instruments [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialDebtInstrumentsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialDebtInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Debt Instruments [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialDebtInstrumentsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialDebtInstrumentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialDebtInstrumentsLineItems" xlink:to="lab_bsac_ScheduleOfFinancialDebtInstrumentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ComputersAndHardwareMember_cfdb57b1-0bb3-4325-b46e-29e116ff7c4a_terseLabel_en-US" xlink:label="lab_bsac_ComputersAndHardwareMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Computers and hardware</link:label>
    <link:label id="lab_bsac_ComputersAndHardwareMember_label_en-US" xlink:label="lab_bsac_ComputersAndHardwareMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Computers And Hardware [Member]</link:label>
    <link:label id="lab_bsac_ComputersAndHardwareMember_documentation_en-US" xlink:label="lab_bsac_ComputersAndHardwareMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Computers And Hardware</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ComputersAndHardwareMember" xlink:href="bsac-20251231.xsd#bsac_ComputersAndHardwareMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ComputersAndHardwareMember" xlink:to="lab_bsac_ComputersAndHardwareMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInMaintainingOperatingCapacity_ba58c627-78ff-4c05-8397-96f66cd13366_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInMaintainingOperatingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maintain technical amount (in Dollars)</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInMaintainingOperatingCapacity_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInMaintainingOperatingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) maintaining operating capacity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInMaintainingOperatingCapacity" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInMaintainingOperatingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInMaintainingOperatingCapacity" xlink:to="lab_ifrs-full_CashFlowsFromUsedInMaintainingOperatingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetAtFairValue_0101fb3a-9a93-42de-881b-306d14c5c4ce_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_FinancialAssetAtFairValue_label_en-US" xlink:label="lab_bsac_FinancialAssetAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Asset At Fair Value</link:label>
    <link:label id="lab_bsac_FinancialAssetAtFairValue_documentation_en-US" xlink:label="lab_bsac_FinancialAssetAtFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of financial assets at fair value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetAtFairValue" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetAtFairValue" xlink:to="lab_bsac_FinancialAssetAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisposalOfMajorSubsidiaryMember_019c5859-833b-751c-b902-1036db2e3604_terseLabel_en-US" xlink:label="lab_ifrs-full_DisposalOfMajorSubsidiaryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disposal of major subsidiary</link:label>
    <link:label id="lab_ifrs-full_DisposalOfMajorSubsidiaryMember_label_en-US" xlink:label="lab_ifrs-full_DisposalOfMajorSubsidiaryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposal of major subsidiary [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisposalOfMajorSubsidiaryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisposalOfMajorSubsidiaryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisposalOfMajorSubsidiaryMember" xlink:to="lab_ifrs-full_DisposalOfMajorSubsidiaryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueLineItems_688c3cc2-5d2e-4147-8280-3a3908d78ac4_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Assets or Liabilities Which Are Not Measured At Fair Value [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Assets or Liabilities Which Are Not Measured At Fair Value [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Assets or Liabilities Which Are Not Measured At Fair Value [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueLineItems" xlink:to="lab_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForDefinitionsAndClassificationOfFinancialInstrumentsExplanatoryPolicyTextBlock_f7b26b2d-1c62-4ca2-b5c0-a89b0cade58e_terseLabel_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForDefinitionsAndClassificationOfFinancialInstrumentsExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivatives and hedging activities</link:label>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForDefinitionsAndClassificationOfFinancialInstrumentsExplanatoryPolicyTextBlock_label_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForDefinitionsAndClassificationOfFinancialInstrumentsExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Definitions And Classification Of Financial Instruments Explanatory [Policy Text Block]</link:label>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForDefinitionsAndClassificationOfFinancialInstrumentsExplanatoryPolicyTextBlock_documentation_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForDefinitionsAndClassificationOfFinancialInstrumentsExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about description of accounting policy for definitions and classification of financial instruments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DescriptionOfAccountingPolicyForDefinitionsAndClassificationOfFinancialInstrumentsExplanatoryPolicyTextBlock" xlink:href="bsac-20251231.xsd#bsac_DescriptionOfAccountingPolicyForDefinitionsAndClassificationOfFinancialInstrumentsExplanatoryPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DescriptionOfAccountingPolicyForDefinitionsAndClassificationOfFinancialInstrumentsExplanatoryPolicyTextBlock" xlink:to="lab_bsac_DescriptionOfAccountingPolicyForDefinitionsAndClassificationOfFinancialInstrumentsExplanatoryPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_W3Member_226f45a9-fa82-497b-aef5-aec039e0d8f5_terseLabel_en-US" xlink:label="lab_bsac_W3Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">W3</link:label>
    <link:label id="lab_bsac_W3Member_label_en-US" xlink:label="lab_bsac_W3Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">W3 [Member]</link:label>
    <link:label id="lab_bsac_W3Member_documentation_en-US" xlink:label="lab_bsac_W3Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">W3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_W3Member" xlink:href="bsac-20251231.xsd#bsac_W3Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_W3Member" xlink:to="lab_bsac_W3Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain_c1997bd1-b9d0-4d48-909c-debfe7d59783_terseLabel_en-US" xlink:label="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit impairment of financial instruments [domain]</link:label>
    <link:label id="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain_label_en-US" xlink:label="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit impairment of financial instruments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain" xlink:to="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsTable_5cf2d1da-feac-495e-a926-f65e36902d2a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherProvisionsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other provisions [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherProvisionsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:to="lab_ifrs-full_DisclosureOfOtherProvisionsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTDA40922Member_019bf9bc-de19-710c-9607-e0079f9b58bc_terseLabel_en-US" xlink:label="lab_bsac_BSTDA40922Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTDA40922</link:label>
    <link:label id="lab_bsac_BSTDA40922Member_label_en-US" xlink:label="lab_bsac_BSTDA40922Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTDA40922 [Member]</link:label>
    <link:label id="lab_bsac_BSTDA40922Member_documentation_en-US" xlink:label="lab_bsac_BSTDA40922Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTDA40922</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTDA40922Member" xlink:href="bsac-20251231.xsd#bsac_BSTDA40922Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTDA40922Member" xlink:to="lab_bsac_BSTDA40922Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InprogressOperation_94cc9618-43f1-4150-909d-721399561ed7_terseLabel_en-US" xlink:label="lab_bsac_InprogressOperation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">In-progress operation</link:label>
    <link:label id="lab_bsac_InprogressOperation_label_en-US" xlink:label="lab_bsac_InprogressOperation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inprogress Operation</link:label>
    <link:label id="lab_bsac_InprogressOperation_documentation_en-US" xlink:label="lab_bsac_InprogressOperation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">In-progress operation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InprogressOperation" xlink:href="bsac-20251231.xsd#bsac_InprogressOperation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InprogressOperation" xlink:to="lab_bsac_InprogressOperation" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InternalFraudMember_bd9105c2-8ccc-4772-9926-4826c7e4463f_terseLabel_en-US" xlink:label="lab_bsac_InternalFraudMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Internal fraud</link:label>
    <link:label id="lab_bsac_InternalFraudMember_label_en-US" xlink:label="lab_bsac_InternalFraudMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Internal Fraud [Member]</link:label>
    <link:label id="lab_bsac_InternalFraudMember_documentation_en-US" xlink:label="lab_bsac_InternalFraudMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Internal Fraud</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InternalFraudMember" xlink:href="bsac-20251231.xsd#bsac_InternalFraudMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InternalFraudMember" xlink:to="lab_bsac_InternalFraudMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherGeneralAdministrativeExpenses_2c2a4b31-09f6-47e0-b2c7-cf586ddbb212_negatedTerseLabel_en-US" xlink:label="lab_bsac_OtherGeneralAdministrativeExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other general administrative expenses</link:label>
    <link:label id="lab_bsac_OtherGeneralAdministrativeExpenses_label_en-US" xlink:label="lab_bsac_OtherGeneralAdministrativeExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other General Administrative Expenses</link:label>
    <link:label id="lab_bsac_OtherGeneralAdministrativeExpenses_documentation_en-US" xlink:label="lab_bsac_OtherGeneralAdministrativeExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about other general administrative expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherGeneralAdministrativeExpenses" xlink:href="bsac-20251231.xsd#bsac_OtherGeneralAdministrativeExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherGeneralAdministrativeExpenses" xlink:to="lab_bsac_OtherGeneralAdministrativeExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DerivativesClassificationNumber_cccb617a-cbdf-48d1-9dcb-223911931836_terseLabel_en-US" xlink:label="lab_bsac_DerivativesClassificationNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classification</link:label>
    <link:label id="lab_bsac_DerivativesClassificationNumber_label_en-US" xlink:label="lab_bsac_DerivativesClassificationNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives Classification Number</link:label>
    <link:label id="lab_bsac_DerivativesClassificationNumber_documentation_en-US" xlink:label="lab_bsac_DerivativesClassificationNumber" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">It represent number of derivatives classification.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DerivativesClassificationNumber" xlink:href="bsac-20251231.xsd#bsac_DerivativesClassificationNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DerivativesClassificationNumber" xlink:to="lab_bsac_DerivativesClassificationNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfPerpetualBondsTable_fb83ee70-e736-4898-976c-dd49a298681d_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfPerpetualBondsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Perpetual Bonds [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfPerpetualBondsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfPerpetualBondsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Perpetual Bonds [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfPerpetualBondsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfPerpetualBondsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Perpetual Bonds [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfPerpetualBondsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfPerpetualBondsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfPerpetualBondsTable" xlink:to="lab_bsac_ScheduleOfPerpetualBondsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CurrentTaxAssetBeforeOffsetAmount_4b711053-6585-4c24-8060-ebb3cb298651_terseLabel_en-US" xlink:label="lab_bsac_CurrentTaxAssetBeforeOffsetAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current tax asset before off-setting</link:label>
    <link:label id="lab_bsac_CurrentTaxAssetBeforeOffsetAmount_label_en-US" xlink:label="lab_bsac_CurrentTaxAssetBeforeOffsetAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Tax Asset Before Offset Amount</link:label>
    <link:label id="lab_bsac_CurrentTaxAssetBeforeOffsetAmount_documentation_en-US" xlink:label="lab_bsac_CurrentTaxAssetBeforeOffsetAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current Tax Asset Before Offset Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CurrentTaxAssetBeforeOffsetAmount" xlink:href="bsac-20251231.xsd#bsac_CurrentTaxAssetBeforeOffsetAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CurrentTaxAssetBeforeOffsetAmount" xlink:to="lab_bsac_CurrentTaxAssetBeforeOffsetAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TurkiyeGarantiBankasiMember_c5385648-bdb3-4987-a563-4127311606cf_terseLabel_en-US" xlink:label="lab_bsac_TurkiyeGarantiBankasiMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Turkiye Garanti Bankasi</link:label>
    <link:label id="lab_bsac_TurkiyeGarantiBankasiMember_label_en-US" xlink:label="lab_bsac_TurkiyeGarantiBankasiMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Turkiye Garanti Bankasi [Member]</link:label>
    <link:label id="lab_bsac_TurkiyeGarantiBankasiMember_documentation_en-US" xlink:label="lab_bsac_TurkiyeGarantiBankasiMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Turkiye Garanti Bankasi</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TurkiyeGarantiBankasiMember" xlink:href="bsac-20251231.xsd#bsac_TurkiyeGarantiBankasiMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TurkiyeGarantiBankasiMember" xlink:to="lab_bsac_TurkiyeGarantiBankasiMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_0ae17b3f-bdfb-402e-95df-cb4c8396d9e4_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">NET OPERATING INCOME BEFORE INCOME TAX</link:label>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_7f200cc0-bfe7-4014-84da-65dc1a6c8ec9_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net income before taxes</link:label>
    <link:label id="lab_ifrs-full_ProfitLossBeforeTax_label_en-US" xlink:label="lab_ifrs-full_ProfitLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss) before tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossBeforeTax" xlink:to="lab_ifrs-full_ProfitLossBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DueAfter4YearsButWithin5YearsMember_52433ea4-1674-44ac-b5d7-b3cb41169799_terseLabel_en-US" xlink:label="lab_bsac_DueAfter4YearsButWithin5YearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due after 4 year but within 5 years</link:label>
    <link:label id="lab_bsac_DueAfter4YearsButWithin5YearsMember_label_en-US" xlink:label="lab_bsac_DueAfter4YearsButWithin5YearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due After4 Years But Within5 Years [Member]</link:label>
    <link:label id="lab_bsac_DueAfter4YearsButWithin5YearsMember_documentation_en-US" xlink:label="lab_bsac_DueAfter4YearsButWithin5YearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Due After4 Years But Within5 Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DueAfter4YearsButWithin5YearsMember" xlink:href="bsac-20251231.xsd#bsac_DueAfter4YearsButWithin5YearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DueAfter4YearsButWithin5YearsMember" xlink:to="lab_bsac_DueAfter4YearsButWithin5YearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsLineItems_fb35e056-ca26-44b1-8458-60c4e889447a_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value of these Equity Investments [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value of these Equity Investments [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value of these Equity Investments [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFairValueOfTheseEquityInvestmentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsLineItems" xlink:to="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DueAfter1YearButWithin2YearsMember_52f479dd-3de9-4098-a3cf-bac25f1e1494_terseLabel_en-US" xlink:label="lab_bsac_DueAfter1YearButWithin2YearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due within 1 and 2 year</link:label>
    <link:label id="lab_bsac_DueAfter1YearButWithin2YearsMember_32814836-2af2-4cc9-a162-5c9e2321f137_verboseLabel_en-US" xlink:label="lab_bsac_DueAfter1YearButWithin2YearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Due after 1 year but within 2 years</link:label>
    <link:label id="lab_bsac_DueAfter1YearButWithin2YearsMember_c93a3e0e-960e-43ba-a0a2-33f392feb11a_netLabel_en-US" xlink:label="lab_bsac_DueAfter1YearButWithin2YearsMember" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Due after 1 year but within 2 years</link:label>
    <link:label id="lab_bsac_DueAfter1YearButWithin2YearsMember_label_en-US" xlink:label="lab_bsac_DueAfter1YearButWithin2YearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due After1 Year But Within2 Years [Member]</link:label>
    <link:label id="lab_bsac_DueAfter1YearButWithin2YearsMember_documentation_en-US" xlink:label="lab_bsac_DueAfter1YearButWithin2YearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Due After1 Year But Within2 Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DueAfter1YearButWithin2YearsMember" xlink:href="bsac-20251231.xsd#bsac_DueAfter1YearButWithin2YearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DueAfter1YearButWithin2YearsMember" xlink:to="lab_bsac_DueAfter1YearButWithin2YearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransportAndStorageMember_df99fea8-c12d-4139-9394-d41d1aff6f2b_terseLabel_en-US" xlink:label="lab_bsac_TransportAndStorageMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transport and storage</link:label>
    <link:label id="lab_bsac_TransportAndStorageMember_label_en-US" xlink:label="lab_bsac_TransportAndStorageMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transport And Storage [Member]</link:label>
    <link:label id="lab_bsac_TransportAndStorageMember_documentation_en-US" xlink:label="lab_bsac_TransportAndStorageMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transport And Storage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransportAndStorageMember" xlink:href="bsac-20251231.xsd#bsac_TransportAndStorageMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransportAndStorageMember" xlink:to="lab_bsac_TransportAndStorageMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommonEquityEquivalentTier1CapitalCET1_84160a5d-6427-4671-8a1b-5dfb349f5128_terseLabel_en-US" xlink:label="lab_bsac_CommonEquityEquivalentTier1CapitalCET1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">= (12+13-14-15) Common Equity Equivalent Tier 1 Capital (CET1)</link:label>
    <link:label id="lab_bsac_CommonEquityEquivalentTier1CapitalCET1_label_en-US" xlink:label="lab_bsac_CommonEquityEquivalentTier1CapitalCET1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Equity Equivalent Tier1 Capital CET1</link:label>
    <link:label id="lab_bsac_CommonEquityEquivalentTier1CapitalCET1_documentation_en-US" xlink:label="lab_bsac_CommonEquityEquivalentTier1CapitalCET1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Common Equity Equivalent Tier1 Capital CET1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommonEquityEquivalentTier1CapitalCET1" xlink:href="bsac-20251231.xsd#bsac_CommonEquityEquivalentTier1CapitalCET1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommonEquityEquivalentTier1CapitalCET1" xlink:to="lab_bsac_CommonEquityEquivalentTier1CapitalCET1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderFactoringS.A.ChileGroupConsultingServicesMonthlyMember_019bf9e4-be61-77cf-9caf-1e925d6a1ec2_terseLabel_en-US" xlink:label="lab_bsac_SantanderFactoringS.A.ChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Factoring S.A.| Chile| Group| Consulting Services| Monthly</link:label>
    <link:label id="lab_bsac_SantanderFactoringS.A.ChileGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderFactoringS.A.ChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Factoring S.A.| Chile| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderFactoringS.A.ChileGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderFactoringS.A.ChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Factoring S.A.| Chile| Group| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderFactoringS.A.ChileGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderFactoringS.A.ChileGroupConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderFactoringS.A.ChileGroupConsultingServicesMonthlyMember" xlink:to="lab_bsac_SantanderFactoringS.A.ChileGroupConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncomeTaxEffectsMember_337527ad-15a7-4b79-a422-96681547b9ab_terseLabel_en-US" xlink:label="lab_bsac_IncomeTaxEffectsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax effects</link:label>
    <link:label id="lab_bsac_IncomeTaxEffectsMember_label_en-US" xlink:label="lab_bsac_IncomeTaxEffectsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Effects [Member]</link:label>
    <link:label id="lab_bsac_IncomeTaxEffectsMember_documentation_en-US" xlink:label="lab_bsac_IncomeTaxEffectsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for income tax effects.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncomeTaxEffectsMember" xlink:href="bsac-20251231.xsd#bsac_IncomeTaxEffectsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncomeTaxEffectsMember" xlink:to="lab_bsac_IncomeTaxEffectsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SubordinatedLiabilities_9b549c6a-fae0-4487-99f4-9a807fbfdb88_totalLabel_en-US" xlink:label="lab_ifrs-full_SubordinatedLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total subordinated bonds</link:label>
    <link:label id="lab_ifrs-full_SubordinatedLiabilities_b3ddd8d5-c8bd-4ebe-8789-eb62d1ad91ab_periodStartLabel_en-US" xlink:label="lab_ifrs-full_SubordinatedLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balances as of January 1,</link:label>
    <link:label id="lab_ifrs-full_SubordinatedLiabilities_cf956502-678f-44f6-b218-ae3581f7f5b0_periodEndLabel_en-US" xlink:label="lab_ifrs-full_SubordinatedLiabilities" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balances as of December 31,</link:label>
    <link:label id="lab_ifrs-full_SubordinatedLiabilities_label_en-US" xlink:label="lab_ifrs-full_SubordinatedLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subordinated liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SubordinatedLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SubordinatedLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SubordinatedLiabilities" xlink:to="lab_ifrs-full_SubordinatedLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfTotalAssetsRiskWeightedAssetsAndComponentsOfEffectiveEquityExplanatoryTableTextBlock_d62f82bb-04df-4520-a6d7-26509fa7196f_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfTotalAssetsRiskWeightedAssetsAndComponentsOfEffectiveEquityExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Total Assets, Risk-Weighted Assets, and Components of Effective Equity</link:label>
    <link:label id="lab_bsac_DisclosureOfTotalAssetsRiskWeightedAssetsAndComponentsOfEffectiveEquityExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfTotalAssetsRiskWeightedAssetsAndComponentsOfEffectiveEquityExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Total Assets Risk Weighted Assets And Components Of Effective Equity Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfTotalAssetsRiskWeightedAssetsAndComponentsOfEffectiveEquityExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfTotalAssetsRiskWeightedAssetsAndComponentsOfEffectiveEquityExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of total assets, risk-weighted assets, and components of effective equity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfTotalAssetsRiskWeightedAssetsAndComponentsOfEffectiveEquityExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfTotalAssetsRiskWeightedAssetsAndComponentsOfEffectiveEquityExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfTotalAssetsRiskWeightedAssetsAndComponentsOfEffectiveEquityExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfTotalAssetsRiskWeightedAssetsAndComponentsOfEffectiveEquityExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BancoDeSabadellS.A.Member_34dd5821-9b8b-4632-95aa-8d537388dc19_terseLabel_en-US" xlink:label="lab_bsac_BancoDeSabadellS.A.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Banco De Sabadell S.A.</link:label>
    <link:label id="lab_bsac_BancoDeSabadellS.A.Member_label_en-US" xlink:label="lab_bsac_BancoDeSabadellS.A.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banco De Sabadell, S.A. [Member]</link:label>
    <link:label id="lab_bsac_BancoDeSabadellS.A.Member_documentation_en-US" xlink:label="lab_bsac_BancoDeSabadellS.A.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banco De Sabadell, S.A.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BancoDeSabadellS.A.Member" xlink:href="bsac-20251231.xsd#bsac_BancoDeSabadellS.A.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BancoDeSabadellS.A.Member" xlink:to="lab_bsac_BancoDeSabadellS.A.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesExpenseIncomeRecognisedInProfitOrLoss1_8afb5430-2351-4b12-93e1-f80c5ebbc75e_negatedTotalLabel_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesExpenseIncomeRecognisedInProfitOrLoss1" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total deferred tax liabilities</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesExpenseIncomeRecognisedInProfitOrLoss1_label_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesExpenseIncomeRecognisedInProfitOrLoss1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities Expense Income Recognised In Profit Or Loss1</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesExpenseIncomeRecognisedInProfitOrLoss1_documentation_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesExpenseIncomeRecognisedInProfitOrLoss1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about deferred tax liabilities expense income recognised in profit or loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxLiabilitiesExpenseIncomeRecognisedInProfitOrLoss1" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxLiabilitiesExpenseIncomeRecognisedInProfitOrLoss1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxLiabilitiesExpenseIncomeRecognisedInProfitOrLoss1" xlink:to="lab_bsac_DeferredTaxLiabilitiesExpenseIncomeRecognisedInProfitOrLoss1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfIntangibleAssetsLineItems_ea4ddc11-c26b-4bd8-abc2-bcc3dd9f4a6d_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfIntangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Intangible Assets [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfIntangibleAssetsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfIntangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Intangible Assets [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfIntangibleAssetsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfIntangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Intangible Assets [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfIntangibleAssetsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfIntangibleAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfIntangibleAssetsLineItems" xlink:to="lab_bsac_ScheduleOfIntangibleAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfShareholderCompositionLineItems_7e6614e9-cd6e-4c9b-84b4-0f2402bfbd1a_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfShareholderCompositionLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Shareholder Composition [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfShareholderCompositionLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfShareholderCompositionLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Shareholder Composition [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfShareholderCompositionLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfShareholderCompositionLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Shareholder Composition [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfShareholderCompositionLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfShareholderCompositionLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfShareholderCompositionLineItems" xlink:to="lab_bsac_ScheduleOfShareholderCompositionLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FixedAssetsDetailsScheduleofChangesinValueofPropertyPlantandEquipmentLineItems_b5df93c8-154d-4130-bebe-c6ef5b8d161d_terseLabel_en-US" xlink:label="lab_bsac_FixedAssetsDetailsScheduleofChangesinValueofPropertyPlantandEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Changes in Value of Property, Plant, and Equipment [Line Items]</link:label>
    <link:label id="lab_bsac_FixedAssetsDetailsScheduleofChangesinValueofPropertyPlantandEquipmentLineItems_label_en-US" xlink:label="lab_bsac_FixedAssetsDetailsScheduleofChangesinValueofPropertyPlantandEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Changes in Value of Property, Plant, and Equipment [Line Items]</link:label>
    <link:label id="lab_bsac_FixedAssetsDetailsScheduleofChangesinValueofPropertyPlantandEquipmentLineItems_documentation_en-US" xlink:label="lab_bsac_FixedAssetsDetailsScheduleofChangesinValueofPropertyPlantandEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Changes in Value of Property, Plant, and Equipment [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FixedAssetsDetailsScheduleofChangesinValueofPropertyPlantandEquipmentLineItems" xlink:href="bsac-20251231.xsd#bsac_FixedAssetsDetailsScheduleofChangesinValueofPropertyPlantandEquipmentLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FixedAssetsDetailsScheduleofChangesinValueofPropertyPlantandEquipmentLineItems" xlink:to="lab_bsac_FixedAssetsDetailsScheduleofChangesinValueofPropertyPlantandEquipmentLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A5Member_874c7b00-91aa-4540-9c72-f23aae39eeaf_terseLabel_en-US" xlink:label="lab_bsac_A5Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">A5</link:label>
    <link:label id="lab_bsac_A5Member_label_en-US" xlink:label="lab_bsac_A5Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">A5 [Member]</link:label>
    <link:label id="lab_bsac_A5Member_documentation_en-US" xlink:label="lab_bsac_A5Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A5</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A5Member" xlink:href="bsac-20251231.xsd#bsac_A5Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A5Member" xlink:to="lab_bsac_A5Member" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityFileNumber_5042feb5-72ba-4863-b25e-759598457932_terseLabel_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity File Number</link:label>
    <link:label id="lab_dei_EntityFileNumber_label_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity File Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFileNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFileNumber" xlink:to="lab_dei_EntityFileNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionsForManagementOfAccounts_cdb01da1-d659-4e78-9078-b0ac2f068a5b_terseLabel_en-US" xlink:label="lab_bsac_CommissionsForManagementOfAccounts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commissions for management of accounts</link:label>
    <link:label id="lab_bsac_CommissionsForManagementOfAccounts_label_en-US" xlink:label="lab_bsac_CommissionsForManagementOfAccounts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commissions For Management Of Accounts</link:label>
    <link:label id="lab_bsac_CommissionsForManagementOfAccounts_documentation_en-US" xlink:label="lab_bsac_CommissionsForManagementOfAccounts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of commissions for management of accounts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionsForManagementOfAccounts" xlink:href="bsac-20251231.xsd#bsac_CommissionsForManagementOfAccounts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionsForManagementOfAccounts" xlink:to="lab_bsac_CommissionsForManagementOfAccounts" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A2Member_10aa4ee4-b77a-4eee-8749-736b6b6c4540_terseLabel_en-US" xlink:label="lab_bsac_A2Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">A2</link:label>
    <link:label id="lab_bsac_A2Member_label_en-US" xlink:label="lab_bsac_A2Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">A2 [Member]</link:label>
    <link:label id="lab_bsac_A2Member_documentation_en-US" xlink:label="lab_bsac_A2Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A2Member" xlink:href="bsac-20251231.xsd#bsac_A2Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A2Member" xlink:to="lab_bsac_A2Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IntesaSanpaoloSpaMember_7f584035-052d-4c10-b029-d92cda9dad34_terseLabel_en-US" xlink:label="lab_bsac_IntesaSanpaoloSpaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intesa Sanpaolo Spa</link:label>
    <link:label id="lab_bsac_IntesaSanpaoloSpaMember_label_en-US" xlink:label="lab_bsac_IntesaSanpaoloSpaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intesa Sanpaolo Spa [Member]</link:label>
    <link:label id="lab_bsac_IntesaSanpaoloSpaMember_documentation_en-US" xlink:label="lab_bsac_IntesaSanpaoloSpaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Intesa Sanpaolo Spa</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IntesaSanpaoloSpaMember" xlink:href="bsac-20251231.xsd#bsac_IntesaSanpaoloSpaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IntesaSanpaoloSpaMember" xlink:to="lab_bsac_IntesaSanpaoloSpaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressAddressLine1_9c0d1320-df0f-4521-919c-230ceb519cbe_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:label id="lab_dei_EntityAddressAddressLine1_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine1" xlink:to="lab_dei_EntityAddressAddressLine1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfDebtInstrumentsAtAmortizedCostTable_c9c83e45-df38-4601-ba51-fc68e437e29b_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfDebtInstrumentsAtAmortizedCostTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Debt Instruments at Amortized Cost [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfDebtInstrumentsAtAmortizedCostTable_label_en-US" xlink:label="lab_bsac_ScheduleOfDebtInstrumentsAtAmortizedCostTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Debt Instruments at Amortized Cost [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfDebtInstrumentsAtAmortizedCostTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfDebtInstrumentsAtAmortizedCostTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Debt Instruments at Amortized Cost [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfDebtInstrumentsAtAmortizedCostTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfDebtInstrumentsAtAmortizedCostTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfDebtInstrumentsAtAmortizedCostTable" xlink:to="lab_bsac_ScheduleOfDebtInstrumentsAtAmortizedCostTable" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressAddressLine2_23c612ef-d1f3-4a4e-b0f4-17961e0a9acb_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, Address Line Two</link:label>
    <link:label id="lab_dei_EntityAddressAddressLine2_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, Address Line Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine2" xlink:to="lab_dei_EntityAddressAddressLine2" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInLieuOfPayment_07c61763-35aa-462c-89e1-23ab4b04fb58_negatedLabel_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInLieuOfPayment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Decrease/(increase) of assets received or awarded in lieu of payment</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInLieuOfPayment_label_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInLieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Decrease Increase In Lieu Of Payment</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInLieuOfPayment_documentation_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInLieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustments for decrease increase in lieu of payment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentsForDecreaseIncreaseInLieuOfPayment" xlink:href="bsac-20251231.xsd#bsac_AdjustmentsForDecreaseIncreaseInLieuOfPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentsForDecreaseIncreaseInLieuOfPayment" xlink:to="lab_bsac_AdjustmentsForDecreaseIncreaseInLieuOfPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueTotal_709280ba-d7be-4853-b8f1-1dcbd9f6f35e_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueTotal" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueTotal_label_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueTotal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets At Fair Value Total</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueTotal_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueTotal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Assets At Fair Value Total</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsAtFairValueTotal" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsAtFairValueTotal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsAtFairValueTotal" xlink:to="lab_bsac_FinancialAssetsAtFairValueTotal" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ManufacturingIndustryMember_9a3dd965-70ae-4c99-a63c-b66614123f71_terseLabel_en-US" xlink:label="lab_bsac_ManufacturingIndustryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Manufacturing Industry:</link:label>
    <link:label id="lab_bsac_ManufacturingIndustryMember_label_en-US" xlink:label="lab_bsac_ManufacturingIndustryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Manufacturing Industry [Member]</link:label>
    <link:label id="lab_bsac_ManufacturingIndustryMember_documentation_en-US" xlink:label="lab_bsac_ManufacturingIndustryMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Manufacturing Industry</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ManufacturingIndustryMember" xlink:href="bsac-20251231.xsd#bsac_ManufacturingIndustryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ManufacturingIndustryMember" xlink:to="lab_bsac_ManufacturingIndustryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationTrainingExpenses_4a8588f9-8fe4-4a6b-8e02-f24e34a69309_terseLabel_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationTrainingExpenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Training expenses</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationTrainingExpenses_label_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationTrainingExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key Management Personnel Compensation Training Expenses</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationTrainingExpenses_documentation_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationTrainingExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about key management personnel compensation training expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_KeyManagementPersonnelCompensationTrainingExpenses" xlink:href="bsac-20251231.xsd#bsac_KeyManagementPersonnelCompensationTrainingExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_KeyManagementPersonnelCompensationTrainingExpenses" xlink:to="lab_bsac_KeyManagementPersonnelCompensationTrainingExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents_abaade82-0fdf-4c48-80eb-77eb138224fb_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for determining components of cash and cash equivalents [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfAssetsAxis_6dbaebf4-3e2d-4330-b594-524f3c2be6d5_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of assets [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfAssetsAxis" xlink:to="lab_ifrs-full_ClassesOfAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherExpenseByNature_6438efea-e033-41d7-ab91-e39626a94816_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherExpenseByNature" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenses MCh$</link:label>
    <link:label id="lab_ifrs-full_OtherExpenseByNature_28ba8185-46e9-48ac-a1ba-f7c8aaff927a_negatedLabel_en-US" xlink:label="lab_ifrs-full_OtherExpenseByNature" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Recoveries of expenses</link:label>
    <link:label id="lab_ifrs-full_OtherExpenseByNature_label_en-US" xlink:label="lab_ifrs-full_OtherExpenseByNature" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other expenses, by nature</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherExpenseByNature" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherExpenseByNature"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherExpenseByNature" xlink:to="lab_ifrs-full_OtherExpenseByNature" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MoreThan5YearsMember_00219145-3137-4b8f-b61f-7c2f49b8e350_terseLabel_en-US" xlink:label="lab_bsac_MoreThan5YearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">More than 5 years</link:label>
    <link:label id="lab_bsac_MoreThan5YearsMember_label_en-US" xlink:label="lab_bsac_MoreThan5YearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">More Than5 Years [Member]</link:label>
    <link:label id="lab_bsac_MoreThan5YearsMember_documentation_en-US" xlink:label="lab_bsac_MoreThan5YearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">More Than5 Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MoreThan5YearsMember" xlink:href="bsac-20251231.xsd#bsac_MoreThan5YearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MoreThan5YearsMember" xlink:to="lab_bsac_MoreThan5YearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OverallMonitornigSMEMember_bfceaed7-500f-4adf-bc76-9733111501fb_terseLabel_en-US" xlink:label="lab_bsac_OverallMonitornigSMEMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other commercial SME</link:label>
    <link:label id="lab_bsac_OverallMonitornigSMEMember_label_en-US" xlink:label="lab_bsac_OverallMonitornigSMEMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Overall Monitornig SME [Member]</link:label>
    <link:label id="lab_bsac_OverallMonitornigSMEMember_documentation_en-US" xlink:label="lab_bsac_OverallMonitornigSMEMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Overall Monitornig SME</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OverallMonitornigSMEMember" xlink:href="bsac-20251231.xsd#bsac_OverallMonitornigSMEMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OverallMonitornigSMEMember" xlink:to="lab_bsac_OverallMonitornigSMEMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialLiabilitiesIssuedDebtInstrumentsAndOtherFinancialLiabilitiesCategoryMember_610d3bd7-35d2-4494-a0d5-3c873d69ac2c_terseLabel_en-US" xlink:label="lab_bsac_FinancialLiabilitiesIssuedDebtInstrumentsAndOtherFinancialLiabilitiesCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issued debt instruments</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesIssuedDebtInstrumentsAndOtherFinancialLiabilitiesCategoryMember_label_en-US" xlink:label="lab_bsac_FinancialLiabilitiesIssuedDebtInstrumentsAndOtherFinancialLiabilitiesCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Liabilities Issued Debt Instruments And Other Financial Liabilities Category [Member]</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesIssuedDebtInstrumentsAndOtherFinancialLiabilitiesCategoryMember_documentation_en-US" xlink:label="lab_bsac_FinancialLiabilitiesIssuedDebtInstrumentsAndOtherFinancialLiabilitiesCategoryMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Liabilities Issued Debt Instruments And Other Financial Liabilities Category</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialLiabilitiesIssuedDebtInstrumentsAndOtherFinancialLiabilitiesCategoryMember" xlink:href="bsac-20251231.xsd#bsac_FinancialLiabilitiesIssuedDebtInstrumentsAndOtherFinancialLiabilitiesCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialLiabilitiesIssuedDebtInstrumentsAndOtherFinancialLiabilitiesCategoryMember" xlink:to="lab_bsac_FinancialLiabilitiesIssuedDebtInstrumentsAndOtherFinancialLiabilitiesCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax_588b1460-ad38-4527-a9c5-053c6039ebb9_terseLabel_en-US" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flow hedge net gains (losses)</link:label>
    <link:label id="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax_label_en-US" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification adjustments on cash flow hedges, net of tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" xlink:to="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExternalATMAdministrationAndMaintenanceServices_14fce34a-b8ad-4f43-a1fa-966896171723_negatedTerseLabel_en-US" xlink:label="lab_bsac_ExternalATMAdministrationAndMaintenanceServices" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">External ATM administration and maintenance services</link:label>
    <link:label id="lab_bsac_ExternalATMAdministrationAndMaintenanceServices_label_en-US" xlink:label="lab_bsac_ExternalATMAdministrationAndMaintenanceServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">External ATMAdministration And Maintenance Services</link:label>
    <link:label id="lab_bsac_ExternalATMAdministrationAndMaintenanceServices_documentation_en-US" xlink:label="lab_bsac_ExternalATMAdministrationAndMaintenanceServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of external ATM administration and maintenance services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExternalATMAdministrationAndMaintenanceServices" xlink:href="bsac-20251231.xsd#bsac_ExternalATMAdministrationAndMaintenanceServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExternalATMAdministrationAndMaintenanceServices" xlink:to="lab_bsac_ExternalATMAdministrationAndMaintenanceServices" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostMember_6c02877b-b3cd-4d1f-966c-f8e30c2e63fe_verboseLabel_en-US" xlink:label="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loans and accounts receivable at amortised cost</link:label>
    <link:label id="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostMember_fb10c505-7483-42be-9e22-34fa7af9e3fd_terseLabel_en-US" xlink:label="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and account receivable at amortised cost</link:label>
    <link:label id="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostMember_label_en-US" xlink:label="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Accounts Receivable At Amortized Cost [Member]</link:label>
    <link:label id="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostMember_documentation_en-US" xlink:label="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans And Accounts Receivable At Amortized Cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansAndAccountsReceivableAtAmortizedCostMember" xlink:href="bsac-20251231.xsd#bsac_LoansAndAccountsReceivableAtAmortizedCostMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansAndAccountsReceivableAtAmortizedCostMember" xlink:to="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskLineItems_77e544b4-d56e-42c9-bcb2-1e4ee8ccf237_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Inflation Risk [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Inflation Risk [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Inflation Risk [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfForecastedCashFlowsForInflationRiskLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfForecastedCashFlowsForInflationRiskLineItems"/>
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    <link:label id="lab_bsac_InvestmentInSubsidiariesThatAreNotConsolidated_25369ee2-901a-423e-9199-bf3d4309a5ee_terseLabel_en-US" xlink:label="lab_bsac_InvestmentInSubsidiariesThatAreNotConsolidated" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment in subsidiaries that are not consolidated</link:label>
    <link:label id="lab_bsac_InvestmentInSubsidiariesThatAreNotConsolidated_label_en-US" xlink:label="lab_bsac_InvestmentInSubsidiariesThatAreNotConsolidated" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment In Subsidiaries That Are Not Consolidated</link:label>
    <link:label id="lab_bsac_InvestmentInSubsidiariesThatAreNotConsolidated_documentation_en-US" xlink:label="lab_bsac_InvestmentInSubsidiariesThatAreNotConsolidated" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of investment in subsidiaries that are not consolidated.</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InvestmentInSubsidiariesThatAreNotConsolidated" xlink:to="lab_bsac_InvestmentInSubsidiariesThatAreNotConsolidated" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD120923Member_019bf988-a7c3-71e6-94e4-ceae5fa0a560_terseLabel_en-US" xlink:label="lab_bsac_BSTD120923Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD120923</link:label>
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    <link:label id="lab_bsac_BSTD120923Member_documentation_en-US" xlink:label="lab_bsac_BSTD120923Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD120923</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD120923Member" xlink:href="bsac-20251231.xsd#bsac_BSTD120923Member"/>
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    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialAssets_61d5cc3b-1798-47e8-9def-01b577cd64ff_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial derivative contracts for hedge accounting</link:label>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current derivative financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentDerivativeFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentDerivativeFinancialAssets"/>
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    <link:label id="lab_bsac_GeneralAdministrativeExpensesAbstract_56b1bae9-506d-4fc1-b8f2-f929146bfdcd_terseLabel_en-US" xlink:label="lab_bsac_GeneralAdministrativeExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">General administrative expenses</link:label>
    <link:label id="lab_bsac_GeneralAdministrativeExpensesAbstract_label_en-US" xlink:label="lab_bsac_GeneralAdministrativeExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General Administrative Expenses Abstract</link:label>
    <link:label id="lab_bsac_GeneralAdministrativeExpensesAbstract_documentation_en-US" xlink:label="lab_bsac_GeneralAdministrativeExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">General Administrative Expenses Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GeneralAdministrativeExpensesAbstract" xlink:href="bsac-20251231.xsd#bsac_GeneralAdministrativeExpensesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GeneralAdministrativeExpensesAbstract" xlink:to="lab_bsac_GeneralAdministrativeExpensesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GuaranteesForOperationsThroughTheCamaraDePagosBajoValorCPBVMember_019c53c8-8f97-7f59-a66b-2677d2e0a91f_terseLabel_en-US" xlink:label="lab_bsac_GuaranteesForOperationsThroughTheCamaraDePagosBajoValorCPBVMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantees For Operations Through The "Camara de pagos bajo valor" (CPBV)</link:label>
    <link:label id="lab_bsac_GuaranteesForOperationsThroughTheCamaraDePagosBajoValorCPBVMember_label_en-US" xlink:label="lab_bsac_GuaranteesForOperationsThroughTheCamaraDePagosBajoValorCPBVMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantees For Operations Through The "Camara de pagos bajo valor" (CPBV) [Member]</link:label>
    <link:label id="lab_bsac_GuaranteesForOperationsThroughTheCamaraDePagosBajoValorCPBVMember_documentation_en-US" xlink:label="lab_bsac_GuaranteesForOperationsThroughTheCamaraDePagosBajoValorCPBVMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Guarantees For Operations Through The "Camara de pagos bajo valor" (CPBV)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GuaranteesForOperationsThroughTheCamaraDePagosBajoValorCPBVMember" xlink:href="bsac-20251231.xsd#bsac_GuaranteesForOperationsThroughTheCamaraDePagosBajoValorCPBVMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GuaranteesForOperationsThroughTheCamaraDePagosBajoValorCPBVMember" xlink:to="lab_bsac_GuaranteesForOperationsThroughTheCamaraDePagosBajoValorCPBVMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTable_85aab742-51ce-4311-9f9b-6aab04470cdb_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTable_label_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTable" xlink:to="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProportionOfOwnershipInterests_5770b54c-835a-40c0-8d05-58c9d8efcc75_terseLabel_en-US" xlink:label="lab_bsac_ProportionOfOwnershipInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of equity holding</link:label>
    <link:label id="lab_bsac_ProportionOfOwnershipInterests_label_en-US" xlink:label="lab_bsac_ProportionOfOwnershipInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion Of Ownership Interests</link:label>
    <link:label id="lab_bsac_ProportionOfOwnershipInterests_documentation_en-US" xlink:label="lab_bsac_ProportionOfOwnershipInterests" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">It represents amount related to proportion of ownership interests.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProportionOfOwnershipInterests" xlink:href="bsac-20251231.xsd#bsac_ProportionOfOwnershipInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProportionOfOwnershipInterests" xlink:to="lab_bsac_ProportionOfOwnershipInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalMortgageBonds_1699dcd6-6e35-494e-94c4-9db6c72de03c_terseLabel_en-US" xlink:label="lab_bsac_TotalMortgageBonds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total mortgage bonds</link:label>
    <link:label id="lab_bsac_TotalMortgageBonds_label_en-US" xlink:label="lab_bsac_TotalMortgageBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Mortgage Bonds</link:label>
    <link:label id="lab_bsac_TotalMortgageBonds_documentation_en-US" xlink:label="lab_bsac_TotalMortgageBonds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Mortgage bonds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalMortgageBonds" xlink:href="bsac-20251231.xsd#bsac_TotalMortgageBonds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalMortgageBonds" xlink:to="lab_bsac_TotalMortgageBonds" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IndividualUpToSevenDaysMember_32b79b1f-cf79-4426-84e4-34a5a9872565_terseLabel_en-US" xlink:label="lab_bsac_IndividualUpToSevenDaysMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Up to 7 days</link:label>
    <link:label id="lab_bsac_IndividualUpToSevenDaysMember_label_en-US" xlink:label="lab_bsac_IndividualUpToSevenDaysMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Individual Up To Seven Days [Member]</link:label>
    <link:label id="lab_bsac_IndividualUpToSevenDaysMember_documentation_en-US" xlink:label="lab_bsac_IndividualUpToSevenDaysMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Individual Up To Seven Days</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IndividualUpToSevenDaysMember" xlink:href="bsac-20251231.xsd#bsac_IndividualUpToSevenDaysMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IndividualUpToSevenDaysMember" xlink:to="lab_bsac_IndividualUpToSevenDaysMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMacroHedgesTable_f719c12d-555a-4d96-a7ba-60792ad95619_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMacroHedgesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Macro-Hedges [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfMacroHedgesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfMacroHedgesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Macro-Hedges [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfMacroHedgesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMacroHedgesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Macro-Hedges [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMacroHedgesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMacroHedgesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfMacroHedgesTable" xlink:to="lab_bsac_ScheduleOfMacroHedgesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChangesDueToChangesUnCreditRisk_bc0c967d-648c-4f07-8e17-5485f4550ff0_terseLabel_en-US" xlink:label="lab_bsac_ChangesDueToChangesUnCreditRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes due to changes un credit risk</link:label>
    <link:label id="lab_bsac_ChangesDueToChangesUnCreditRisk_label_en-US" xlink:label="lab_bsac_ChangesDueToChangesUnCreditRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changes Due To Changes Un Credit Risk</link:label>
    <link:label id="lab_bsac_ChangesDueToChangesUnCreditRisk_documentation_en-US" xlink:label="lab_bsac_ChangesDueToChangesUnCreditRisk" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Changes Due To Changes Un Credit Risk</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChangesDueToChangesUnCreditRisk" xlink:href="bsac-20251231.xsd#bsac_ChangesDueToChangesUnCreditRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChangesDueToChangesUnCreditRisk" xlink:to="lab_bsac_ChangesDueToChangesUnCreditRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclsoureOfSolvencyIndicatorsAndRegulatoryComplianceIndicatorsAccordingToBaselIIIExplanatoryTableTextBlock_f8f1c3e0-f4d0-4550-b909-58ac6a6d8ca3_terseLabel_en-US" xlink:label="lab_bsac_DisclsoureOfSolvencyIndicatorsAndRegulatoryComplianceIndicatorsAccordingToBaselIIIExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Solvency Indicators and Regulatory Compliance Indicators According to Basel III</link:label>
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    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurrentBasisUsingUnobservedSignificantEntriesLevel3LineItems_ad730e1a-db61-49f9-95c6-f137831498d7_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurrentBasisUsingUnobservedSignificantEntriesLevel3LineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities Measured At Fair Value on a Recurrent Basis Using Unobserved Significant Entries (Level 3) [Line Items]</link:label>
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    <link:label id="lab_bsac_ScheduleOfPlanAssociatedExpensesTable_49020239-124d-408f-9480-ca2d7ace6e5b_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfPlanAssociatedExpensesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Plan Associated Expenses [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfPlanAssociatedExpensesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfPlanAssociatedExpensesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Plan Associated Expenses [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfPlanAssociatedExpensesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfPlanAssociatedExpensesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Plan Associated Expenses [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfPlanAssociatedExpensesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfPlanAssociatedExpensesTable"/>
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    <link:label id="lab_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupLeasesAndOtherMonthlyMember_019b9f64-bbc0-7a42-9fcf-0cedfb706037_terseLabel_en-US" xlink:label="lab_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupLeasesAndOtherMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Asset Management S.A. Administradora General de Fondos| Chile| Group| Leases and Other| Monthly</link:label>
    <link:label id="lab_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupLeasesAndOtherMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupLeasesAndOtherMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Asset Management S.A. Administradora General de Fondos| Chile| Group| Leases and Other| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupLeasesAndOtherMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupLeasesAndOtherMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Asset Management S.A. Administradora General de Fondos| Chile| Group| Leases and Other| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupLeasesAndOtherMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupLeasesAndOtherMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupLeasesAndOtherMonthlyMember" xlink:to="lab_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupLeasesAndOtherMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtSecuritiesTotal_1cdf72eb-cc82-4407-90e4-893a42d11724_totalLabel_en-US" xlink:label="lab_bsac_DebtSecuritiesTotal" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_DebtSecuritiesTotal_label_en-US" xlink:label="lab_bsac_DebtSecuritiesTotal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities Total</link:label>
    <link:label id="lab_bsac_DebtSecuritiesTotal_documentation_en-US" xlink:label="lab_bsac_DebtSecuritiesTotal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of instruments issued by the entity that represent indebtedness.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtSecuritiesTotal" xlink:href="bsac-20251231.xsd#bsac_DebtSecuritiesTotal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtSecuritiesTotal" xlink:to="lab_bsac_DebtSecuritiesTotal" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpensesOfRightOfUseLeasedAssetAndLeaseLiability_03dd5b0e-c156-4033-a9d6-2880649ea317_negatedTotalLabel_en-US" xlink:label="lab_bsac_ExpensesOfRightOfUseLeasedAssetAndLeaseLiability" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_ExpensesOfRightOfUseLeasedAssetAndLeaseLiability_label_en-US" xlink:label="lab_bsac_ExpensesOfRightOfUseLeasedAssetAndLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expenses Of Right Of Use Leased Asset And Lease Liability</link:label>
    <link:label id="lab_bsac_ExpensesOfRightOfUseLeasedAssetAndLeaseLiability_documentation_en-US" xlink:label="lab_bsac_ExpensesOfRightOfUseLeasedAssetAndLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of expenses of right of use leased assets and lease liability.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpensesOfRightOfUseLeasedAssetAndLeaseLiability" xlink:href="bsac-20251231.xsd#bsac_ExpensesOfRightOfUseLeasedAssetAndLeaseLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpensesOfRightOfUseLeasedAssetAndLeaseLiability" xlink:to="lab_bsac_ExpensesOfRightOfUseLeasedAssetAndLeaseLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTable_9851cdf4-eca2-4526-9490-e7705f51dde1_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Market Adjustment of Cash Flow Hedges Generated by Hedge Instruments [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Market Adjustment of Cash Flow Hedges Generated by Hedge Instruments [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Market Adjustment of Cash Flow Hedges Generated by Hedge Instruments [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTable" xlink:to="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Tier2CapitalT2_1ce82632-3bb9-460e-9577-d52833ce4c12_totalLabel_en-US" xlink:label="lab_bsac_Tier2CapitalT2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">= (28-29) Tier 2 Capital (T2)</link:label>
    <link:label id="lab_bsac_Tier2CapitalT2_label_en-US" xlink:label="lab_bsac_Tier2CapitalT2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tier2 Capital T2</link:label>
    <link:label id="lab_bsac_Tier2CapitalT2_documentation_en-US" xlink:label="lab_bsac_Tier2CapitalT2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tier2 Capital T2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Tier2CapitalT2" xlink:href="bsac-20251231.xsd#bsac_Tier2CapitalT2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Tier2CapitalT2" xlink:to="lab_bsac_Tier2CapitalT2" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NewFinancialAssetsOriginatedECL_0b8b0bfa-e7e0-453b-bb1f-288ccc57b60e_terseLabel_en-US" xlink:label="lab_bsac_NewFinancialAssetsOriginatedECL" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New financial assets originated</link:label>
    <link:label id="lab_bsac_NewFinancialAssetsOriginatedECL_label_en-US" xlink:label="lab_bsac_NewFinancialAssetsOriginatedECL" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Financial Assets Originated ECL</link:label>
    <link:label id="lab_bsac_NewFinancialAssetsOriginatedECL_documentation_en-US" xlink:label="lab_bsac_NewFinancialAssetsOriginatedECL" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New Financial Assets Originated ECL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NewFinancialAssetsOriginatedECL" xlink:href="bsac-20251231.xsd#bsac_NewFinancialAssetsOriginatedECL"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NewFinancialAssetsOriginatedECL" xlink:to="lab_bsac_NewFinancialAssetsOriginatedECL" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupBackOfficeServicesMonthlyMember_019b9f64-bbc0-7937-aa93-408d67109b9c_terseLabel_en-US" xlink:label="lab_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupBackOfficeServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Back-Offices Globales Mayoristas, S.A.| Spain| Group| Back Office services| Monthly</link:label>
    <link:label id="lab_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupBackOfficeServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupBackOfficeServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Back-Offices Globales Mayoristas, S.A.| Spain| Group| Back Office services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupBackOfficeServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupBackOfficeServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Back-Offices Globales Mayoristas, S.A.| Spain| Group| Back Office services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupBackOfficeServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupBackOfficeServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupBackOfficeServicesMonthlyMember" xlink:to="lab_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupBackOfficeServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetAvailableForSales_93ca0698-0a2d-4e32-8b2a-9e0ab889d7c7_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetAvailableForSales" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available for sale investments</link:label>
    <link:label id="lab_bsac_FinancialAssetAvailableForSales_label_en-US" xlink:label="lab_bsac_FinancialAssetAvailableForSales" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Asset Available For Sales</link:label>
    <link:label id="lab_bsac_FinancialAssetAvailableForSales_documentation_en-US" xlink:label="lab_bsac_FinancialAssetAvailableForSales" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of non-derivative financial assets that are designated as available for sale or are not classified as (a) loans and receivables; (b) held-to-maturity investments; or (c) financial assets at fair value through profit or loss. [Refer: Derivative financial assets; Financial assets at fair value through profit or loss; Held-to-maturity investments].</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetAvailableForSales" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetAvailableForSales"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetAvailableForSales" xlink:to="lab_bsac_FinancialAssetAvailableForSales" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IntangibleAssetGrossBalance_94420b9d-65ab-4af4-acdb-795c6e19f672_periodStartLabel_en-US" xlink:label="lab_bsac_IntangibleAssetGrossBalance" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Gross, beginning balance</link:label>
    <link:label id="lab_bsac_IntangibleAssetGrossBalance_30a31fde-2e5f-48a5-b1a7-a48bdc8a89e6_periodEndLabel_en-US" xlink:label="lab_bsac_IntangibleAssetGrossBalance" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Gross, ending balance</link:label>
    <link:label id="lab_bsac_IntangibleAssetGrossBalance_label_en-US" xlink:label="lab_bsac_IntangibleAssetGrossBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible Asset Gross Balance</link:label>
    <link:label id="lab_bsac_IntangibleAssetGrossBalance_documentation_en-US" xlink:label="lab_bsac_IntangibleAssetGrossBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Intangible assets gross balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IntangibleAssetGrossBalance" xlink:href="bsac-20251231.xsd#bsac_IntangibleAssetGrossBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IntangibleAssetGrossBalance" xlink:to="lab_bsac_IntangibleAssetGrossBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AvailableCreditLines_8c2d908c-32b8-447b-bdb9-231653113e46_terseLabel_en-US" xlink:label="lab_bsac_AvailableCreditLines" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available credit lines</link:label>
    <link:label id="lab_bsac_AvailableCreditLines_label_en-US" xlink:label="lab_bsac_AvailableCreditLines" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available Credit Lines</link:label>
    <link:label id="lab_bsac_AvailableCreditLines_documentation_en-US" xlink:label="lab_bsac_AvailableCreditLines" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of available credit lines.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AvailableCreditLines" xlink:href="bsac-20251231.xsd#bsac_AvailableCreditLines"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AvailableCreditLines" xlink:to="lab_bsac_AvailableCreditLines" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupConsultingServicesMonthlyMember_019bf9f5-99d8-7c69-b121-5a8488fd1f2e_terseLabel_en-US" xlink:label="lab_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">F1rst Tecnologia e Inova&#231;&#227;o Ltda.| Brazil| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">F1rst Tecnologia e Inova&#231;&#227;o Ltda.| Brazil| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">F1rst Tecnologia e Inova&#231;&#227;o Ltda.| Brazil| Group| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupConsultingServicesMonthlyMember" xlink:to="lab_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AccumulatedAmortizationImpairment_695e6e0d-f2b8-40bb-aaa7-9f9098ceefa3_negatedTerseLabel_en-US" xlink:label="lab_bsac_AccumulatedAmortizationImpairment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Impairments</link:label>
    <link:label id="lab_bsac_AccumulatedAmortizationImpairment_label_en-US" xlink:label="lab_bsac_AccumulatedAmortizationImpairment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Amortization Impairment</link:label>
    <link:label id="lab_bsac_AccumulatedAmortizationImpairment_documentation_en-US" xlink:label="lab_bsac_AccumulatedAmortizationImpairment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of accumulated amortization impairment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AccumulatedAmortizationImpairment" xlink:href="bsac-20251231.xsd#bsac_AccumulatedAmortizationImpairment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AccumulatedAmortizationImpairment" xlink:to="lab_bsac_AccumulatedAmortizationImpairment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithForeignBanks_8f6775e5-f682-44e9-84c9-1cf90863bb5e_terseLabel_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithForeignBanks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase/(decrease) of obligations with foreign banks</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithForeignBanks_label_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithForeignBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Decrease Increase In Obligations With Foreign Banks</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithForeignBanks_documentation_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithForeignBanks" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustments for decrease increase in obligations with foreign banks.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithForeignBanks" xlink:href="bsac-20251231.xsd#bsac_AdjustmentsForDecreaseIncreaseInObligationsWithForeignBanks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithForeignBanks" xlink:to="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithForeignBanks" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentInformationTable_8a90a2a4-e4b7-47a6-8c46-f15986a4ae81_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Information [Table]</link:label>
    <link:label id="lab_dei_DocumentInformationTable_label_en-US" xlink:label="lab_dei_DocumentInformationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Information [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentInformationTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationTable" xlink:to="lab_dei_DocumentInformationTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CreditRiskMember_06e91e37-7bc1-46bb-a21b-063b6dea01ea_terseLabel_en-US" xlink:label="lab_ifrs-full_CreditRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit risk</link:label>
    <link:label id="lab_ifrs-full_CreditRiskMember_dcbdeae0-8749-49e7-9f52-d8e090b05f6c_verboseLabel_en-US" xlink:label="lab_ifrs-full_CreditRiskMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Credit Risk</link:label>
    <link:label id="lab_ifrs-full_CreditRiskMember_label_en-US" xlink:label="lab_ifrs-full_CreditRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CreditRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CreditRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CreditRiskMember" xlink:to="lab_ifrs-full_CreditRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderFactoringS.A.ChileGroupLeasesCustodyAndPortalMonthlyMember_019b9f64-bbc0-766f-ae3f-6781fea7922f_terseLabel_en-US" xlink:label="lab_bsac_SantanderFactoringS.A.ChileGroupLeasesCustodyAndPortalMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Factoring S.A.| Chile| Group| Leases, Custody and Portal| Monthly</link:label>
    <link:label id="lab_bsac_SantanderFactoringS.A.ChileGroupLeasesCustodyAndPortalMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderFactoringS.A.ChileGroupLeasesCustodyAndPortalMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Factoring S.A.| Chile| Group| Leases, Custody and Portal| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderFactoringS.A.ChileGroupLeasesCustodyAndPortalMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderFactoringS.A.ChileGroupLeasesCustodyAndPortalMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Factoring S.A.| Chile| Group| Leases, Custody and Portal| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderFactoringS.A.ChileGroupLeasesCustodyAndPortalMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderFactoringS.A.ChileGroupLeasesCustodyAndPortalMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderFactoringS.A.ChileGroupLeasesCustodyAndPortalMonthlyMember" xlink:to="lab_bsac_SantanderFactoringS.A.ChileGroupLeasesCustodyAndPortalMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransactionsRelatedToContingentEventsInForeignCurrency_bdf955ed-82d8-4de3-a649-5083b206a2a3_terseLabel_en-US" xlink:label="lab_bsac_TransactionsRelatedToContingentEventsInForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactions related to contingent events in foreign currency</link:label>
    <link:label id="lab_bsac_TransactionsRelatedToContingentEventsInForeignCurrency_label_en-US" xlink:label="lab_bsac_TransactionsRelatedToContingentEventsInForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transactions Related To Contingent Events In Foreign Currency</link:label>
    <link:label id="lab_bsac_TransactionsRelatedToContingentEventsInForeignCurrency_documentation_en-US" xlink:label="lab_bsac_TransactionsRelatedToContingentEventsInForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transactions related to contingent events in foreign currency.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransactionsRelatedToContingentEventsInForeignCurrency" xlink:href="bsac-20251231.xsd#bsac_TransactionsRelatedToContingentEventsInForeignCurrency"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransactionsRelatedToContingentEventsInForeignCurrency" xlink:to="lab_bsac_TransactionsRelatedToContingentEventsInForeignCurrency" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CurrentTaxAssetsLiabilities_ad3e3d10-f97a-4c92-8129-fcdc332e6cd3_negatedTotalLabel_en-US" xlink:label="lab_bsac_CurrentTaxAssetsLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total tax payable (recoverable)</link:label>
    <link:label id="lab_bsac_CurrentTaxAssetsLiabilities_label_en-US" xlink:label="lab_bsac_CurrentTaxAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Tax Assets Liabilities</link:label>
    <link:label id="lab_bsac_CurrentTaxAssetsLiabilities_documentation_en-US" xlink:label="lab_bsac_CurrentTaxAssetsLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current tax assets liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CurrentTaxAssetsLiabilities" xlink:href="bsac-20251231.xsd#bsac_CurrentTaxAssetsLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CurrentTaxAssetsLiabilities" xlink:to="lab_bsac_CurrentTaxAssetsLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfUsefulLivesForTangibleAssetsTable_d7744620-333b-40e1-9212-bb64942656d4_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfUsefulLivesForTangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Useful Lives for Tangible Assets [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfUsefulLivesForTangibleAssetsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfUsefulLivesForTangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Useful Lives for Tangible Assets [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfUsefulLivesForTangibleAssetsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfUsefulLivesForTangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Useful Lives for Tangible Assets [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfUsefulLivesForTangibleAssetsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfUsefulLivesForTangibleAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfUsefulLivesForTangibleAssetsTable" xlink:to="lab_bsac_ScheduleOfUsefulLivesForTangibleAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis_54e9126e-28cc-4605-a8a4-c6631eba7e83_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:to="lab_ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityFilerCategory_eeef9919-9a70-4e9e-929a-d031a0e15fcf_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Filer Category</link:label>
    <link:label id="lab_dei_EntityFilerCategory_label_en-US" xlink:label="lab_dei_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Filer Category</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFilerCategory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory" xlink:to="lab_dei_EntityFilerCategory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Transfers_742d5bdd-344a-40c6-8aff-21bccb3af662_terseLabel_en-US" xlink:label="lab_bsac_Transfers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers</link:label>
    <link:label id="lab_bsac_Transfers_label_en-US" xlink:label="lab_bsac_Transfers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers</link:label>
    <link:label id="lab_bsac_Transfers_documentation_en-US" xlink:label="lab_bsac_Transfers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transfers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Transfers" xlink:href="bsac-20251231.xsd#bsac_Transfers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Transfers" xlink:to="lab_bsac_Transfers" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherGrossBalance_a16a04fe-34a1-49c0-b078-b45a26faf0e1_terseLabel_en-US" xlink:label="lab_bsac_OtherGrossBalance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_bsac_OtherGrossBalance_label_en-US" xlink:label="lab_bsac_OtherGrossBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Gross Balance</link:label>
    <link:label id="lab_bsac_OtherGrossBalance_documentation_en-US" xlink:label="lab_bsac_OtherGrossBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other gross balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherGrossBalance" xlink:href="bsac-20251231.xsd#bsac_OtherGrossBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherGrossBalance" xlink:to="lab_bsac_OtherGrossBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransferredAtAPointInTimeMember_64eae93a-a4b9-4138-9ee6-8ad45dde8d0f_terseLabel_en-US" xlink:label="lab_bsac_TransferredAtAPointInTimeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transferred at a point in time</link:label>
    <link:label id="lab_bsac_TransferredAtAPointInTimeMember_label_en-US" xlink:label="lab_bsac_TransferredAtAPointInTimeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transferred At A Point In Time [Member]</link:label>
    <link:label id="lab_bsac_TransferredAtAPointInTimeMember_documentation_en-US" xlink:label="lab_bsac_TransferredAtAPointInTimeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transferred At A Point In Times</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransferredAtAPointInTimeMember" xlink:href="bsac-20251231.xsd#bsac_TransferredAtAPointInTimeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransferredAtAPointInTimeMember" xlink:to="lab_bsac_TransferredAtAPointInTimeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomePercentage_e2d8da25-f5df-4b05-b934-7701b8a4e6b1_terseLabel_en-US" xlink:label="lab_bsac_NetIncomePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income, percentage</link:label>
    <link:label id="lab_bsac_NetIncomePercentage_label_en-US" xlink:label="lab_bsac_NetIncomePercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Percentage</link:label>
    <link:label id="lab_bsac_NetIncomePercentage_documentation_en-US" xlink:label="lab_bsac_NetIncomePercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Income Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomePercentage" xlink:href="bsac-20251231.xsd#bsac_NetIncomePercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomePercentage" xlink:to="lab_bsac_NetIncomePercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdministrationAndSupplyOfExternalHumanResources_ee2cc4e3-6757-4233-86b4-7d2b4d3afdd7_negatedTerseLabel_en-US" xlink:label="lab_bsac_AdministrationAndSupplyOfExternalHumanResources" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Administration and supply of external human resources</link:label>
    <link:label id="lab_bsac_AdministrationAndSupplyOfExternalHumanResources_label_en-US" xlink:label="lab_bsac_AdministrationAndSupplyOfExternalHumanResources" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Administration And Supply Of External Human Resources</link:label>
    <link:label id="lab_bsac_AdministrationAndSupplyOfExternalHumanResources_documentation_en-US" xlink:label="lab_bsac_AdministrationAndSupplyOfExternalHumanResources" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of administration and supply of external human resources.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdministrationAndSupplyOfExternalHumanResources" xlink:href="bsac-20251231.xsd#bsac_AdministrationAndSupplyOfExternalHumanResources"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdministrationAndSupplyOfExternalHumanResources" xlink:to="lab_bsac_AdministrationAndSupplyOfExternalHumanResources" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxAssetAbstract_6de73ed7-1414-4d90-96de-fa652a3b06d6_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxAssetAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax assets</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetAbstract_label_en-US" xlink:label="lab_bsac_DeferredTaxAssetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Asset Abstract</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetAbstract_documentation_en-US" xlink:label="lab_bsac_DeferredTaxAssetAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Tax Asset Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxAssetAbstract" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxAssetAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxAssetAbstract" xlink:to="lab_bsac_DeferredTaxAssetAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterbankLoansHedgingDerivativesMember_c8b941c0-56ff-4e95-98c7-50098eba267b_terseLabel_en-US" xlink:label="lab_bsac_InterbankLoansHedgingDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interbank loans hedging derivatives</link:label>
    <link:label id="lab_bsac_InterbankLoansHedgingDerivativesMember_label_en-US" xlink:label="lab_bsac_InterbankLoansHedgingDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interbank Loans Hedging Derivatives [Member]</link:label>
    <link:label id="lab_bsac_InterbankLoansHedgingDerivativesMember_documentation_en-US" xlink:label="lab_bsac_InterbankLoansHedgingDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interbank Loans Hedging Derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterbankLoansHedgingDerivativesMember" xlink:href="bsac-20251231.xsd#bsac_InterbankLoansHedgingDerivativesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterbankLoansHedgingDerivativesMember" xlink:to="lab_bsac_InterbankLoansHedgingDerivativesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMortgageBondsPerCurrencyTableTextBlock_945c5551-3e9f-4895-b1b1-9b708a386012_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMortgageBondsPerCurrencyTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Mortgage Bonds per Currency</link:label>
    <link:label id="lab_bsac_ScheduleOfMortgageBondsPerCurrencyTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfMortgageBondsPerCurrencyTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Mortgage Bonds Per Currency [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfMortgageBondsPerCurrencyTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMortgageBondsPerCurrencyTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of mortgage bonds per currency table text block.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMortgageBondsPerCurrencyTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMortgageBondsPerCurrencyTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfMortgageBondsPerCurrencyTableTextBlock" xlink:to="lab_bsac_ScheduleOfMortgageBondsPerCurrencyTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RecyclingFromOtherComprehensiveIncomeToIncomeForYear_5ea33eb8-28ea-4602-815b-d2bbc4c7a8b4_negatedTerseLabel_en-US" xlink:label="lab_bsac_RecyclingFromOtherComprehensiveIncomeToIncomeForYear" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Recycling from other comprehensive income to income for the year</link:label>
    <link:label id="lab_bsac_RecyclingFromOtherComprehensiveIncomeToIncomeForYear_label_en-US" xlink:label="lab_bsac_RecyclingFromOtherComprehensiveIncomeToIncomeForYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recycling From Other Comprehensive Income To Income For Year</link:label>
    <link:label id="lab_bsac_RecyclingFromOtherComprehensiveIncomeToIncomeForYear_documentation_en-US" xlink:label="lab_bsac_RecyclingFromOtherComprehensiveIncomeToIncomeForYear" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount refer to recycling from other comprehensive income to income for the year.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RecyclingFromOtherComprehensiveIncomeToIncomeForYear" xlink:href="bsac-20251231.xsd#bsac_RecyclingFromOtherComprehensiveIncomeToIncomeForYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RecyclingFromOtherComprehensiveIncomeToIncomeForYear" xlink:to="lab_bsac_RecyclingFromOtherComprehensiveIncomeToIncomeForYear" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansPaymentsFromRelatedParties_55a943b4-48d3-469e-b056-73562baaea1e_negatedLabel_en-US" xlink:label="lab_bsac_LoansPaymentsFromRelatedParties" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Loans payments</link:label>
    <link:label id="lab_bsac_LoansPaymentsFromRelatedParties_label_en-US" xlink:label="lab_bsac_LoansPaymentsFromRelatedParties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Payments From Related Parties</link:label>
    <link:label id="lab_bsac_LoansPaymentsFromRelatedParties_documentation_en-US" xlink:label="lab_bsac_LoansPaymentsFromRelatedParties" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of loan payment from related party during the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansPaymentsFromRelatedParties" xlink:href="bsac-20251231.xsd#bsac_LoansPaymentsFromRelatedParties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansPaymentsFromRelatedParties" xlink:to="lab_bsac_LoansPaymentsFromRelatedParties" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsRecoveredFromLeasingForSaleAmount_283e224a-3da0-4680-9ff3-603b85c5170b_terseLabel_en-US" xlink:label="lab_bsac_AssetsRecoveredFromLeasingForSaleAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets recovered from leasing for sale</link:label>
    <link:label id="lab_bsac_AssetsRecoveredFromLeasingForSaleAmount_label_en-US" xlink:label="lab_bsac_AssetsRecoveredFromLeasingForSaleAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Recovered From Leasing For Sale Amount</link:label>
    <link:label id="lab_bsac_AssetsRecoveredFromLeasingForSaleAmount_documentation_en-US" xlink:label="lab_bsac_AssetsRecoveredFromLeasingForSaleAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Assets recovered from leasing for sale.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsRecoveredFromLeasingForSaleAmount" xlink:href="bsac-20251231.xsd#bsac_AssetsRecoveredFromLeasingForSaleAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsRecoveredFromLeasingForSaleAmount" xlink:to="lab_bsac_AssetsRecoveredFromLeasingForSaleAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ObligationsUnderRepurchaseAgreementsAndSecuritiesLendingMember_6f694af9-6c84-4bbb-ad78-11455c73dfab_terseLabel_en-US" xlink:label="lab_bsac_ObligationsUnderRepurchaseAgreementsAndSecuritiesLendingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Obligations under repurchase agreements</link:label>
    <link:label id="lab_bsac_ObligationsUnderRepurchaseAgreementsAndSecuritiesLendingMember_019c2213-3120-7198-b34b-3f5119fef22c_verboseLabel_en-US" xlink:label="lab_bsac_ObligationsUnderRepurchaseAgreementsAndSecuritiesLendingMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Obligations under repurchase agreements and securities lending</link:label>
    <link:label id="lab_bsac_ObligationsUnderRepurchaseAgreementsAndSecuritiesLendingMember_label_en-US" xlink:label="lab_bsac_ObligationsUnderRepurchaseAgreementsAndSecuritiesLendingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Obligations Under Repurchase Agreements And Securities Lending [Member]</link:label>
    <link:label id="lab_bsac_ObligationsUnderRepurchaseAgreementsAndSecuritiesLendingMember_documentation_en-US" xlink:label="lab_bsac_ObligationsUnderRepurchaseAgreementsAndSecuritiesLendingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Obligations Under Repurchase Agreements And Securities Lending</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ObligationsUnderRepurchaseAgreementsAndSecuritiesLendingMember" xlink:href="bsac-20251231.xsd#bsac_ObligationsUnderRepurchaseAgreementsAndSecuritiesLendingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ObligationsUnderRepurchaseAgreementsAndSecuritiesLendingMember" xlink:to="lab_bsac_ObligationsUnderRepurchaseAgreementsAndSecuritiesLendingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetAssets_b75f548b-299c-4ab8-be45-289d514bbefb_totalLabel_en-US" xlink:label="lab_bsac_NetAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net Assets</link:label>
    <link:label id="lab_bsac_NetAssets_label_en-US" xlink:label="lab_bsac_NetAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Assets</link:label>
    <link:label id="lab_bsac_NetAssets_documentation_en-US" xlink:label="lab_bsac_NetAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of net assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetAssets" xlink:href="bsac-20251231.xsd#bsac_NetAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetAssets" xlink:to="lab_bsac_NetAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BasisSpreadOnVariableRate_9b5d9c8b-dc18-4926-aec3-fad8214ea728_terseLabel_en-US" xlink:label="lab_bsac_BasisSpreadOnVariableRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis spread on variable rate</link:label>
    <link:label id="lab_bsac_BasisSpreadOnVariableRate_label_en-US" xlink:label="lab_bsac_BasisSpreadOnVariableRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basis Spread On Variable Rate</link:label>
    <link:label id="lab_bsac_BasisSpreadOnVariableRate_documentation_en-US" xlink:label="lab_bsac_BasisSpreadOnVariableRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Basis Spread On Variable Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BasisSpreadOnVariableRate" xlink:href="bsac-20251231.xsd#bsac_BasisSpreadOnVariableRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BasisSpreadOnVariableRate" xlink:to="lab_bsac_BasisSpreadOnVariableRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill_019c57dd-2976-71ad-b5bb-a1f224925f48_negatedLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Impairments</link:label>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment loss recognised in profit or loss, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OnDemandMember_0f31756d-a2f9-4483-807e-8fa1dd255284_terseLabel_en-US" xlink:label="lab_ifrs-full_OnDemandMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Demand</link:label>
    <link:label id="lab_ifrs-full_OnDemandMember_fb4bbcb0-3446-4466-bacf-f84e506b828a_verboseLabel_en-US" xlink:label="lab_ifrs-full_OnDemandMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">On Demand</link:label>
    <link:label id="lab_ifrs-full_OnDemandMember_9308e359-c11d-431f-b1ac-7a66c09c1600_netLabel_en-US" xlink:label="lab_ifrs-full_OnDemandMember" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">On Demand</link:label>
    <link:label id="lab_ifrs-full_OnDemandMember_label_en-US" xlink:label="lab_ifrs-full_OnDemandMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">On demand [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OnDemandMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OnDemandMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OnDemandMember" xlink:to="lab_ifrs-full_OnDemandMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeutscheBankAgMember_9b58dfeb-5ee7-40f4-aa2f-5fdcf0d55b14_terseLabel_en-US" xlink:label="lab_bsac_DeutscheBankAgMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deutsche Bank Ag</link:label>
    <link:label id="lab_bsac_DeutscheBankAgMember_label_en-US" xlink:label="lab_bsac_DeutscheBankAgMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deutsche Bank Ag [Member]</link:label>
    <link:label id="lab_bsac_DeutscheBankAgMember_documentation_en-US" xlink:label="lab_bsac_DeutscheBankAgMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deutsche Bank Ag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeutscheBankAgMember" xlink:href="bsac-20251231.xsd#bsac_DeutscheBankAgMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeutscheBankAgMember" xlink:to="lab_bsac_DeutscheBankAgMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_HedgingInstrumentsAxis_24a96427-32ab-412d-ba4e-a47b8288ab69_terseLabel_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging instruments [axis]</link:label>
    <link:label id="lab_ifrs-full_HedgingInstrumentsAxis_label_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging instruments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HedgingInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_HedgingInstrumentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgingInstrumentsAxis" xlink:to="lab_ifrs-full_HedgingInstrumentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesMember_15e078ab-fe3a-4367-981d-bca35a222c43_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ECL</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesMember_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses [Member]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesMember_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Credit Losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesMember" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesMember" xlink:to="lab_bsac_ExpectedCreditLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DistributionAndPaymentOfDividendsPercentage_df575c7a-7f0f-4183-b8c3-b41bc1b5148d_terseLabel_en-US" xlink:label="lab_bsac_DistributionAndPaymentOfDividendsPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Distribution and payment of dividends, percentage</link:label>
    <link:label id="lab_bsac_DistributionAndPaymentOfDividendsPercentage_label_en-US" xlink:label="lab_bsac_DistributionAndPaymentOfDividendsPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Distribution And Payment Of Dividends Percentage</link:label>
    <link:label id="lab_bsac_DistributionAndPaymentOfDividendsPercentage_documentation_en-US" xlink:label="lab_bsac_DistributionAndPaymentOfDividendsPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The Percentage of distribution and payment of dividends.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DistributionAndPaymentOfDividendsPercentage" xlink:href="bsac-20251231.xsd#bsac_DistributionAndPaymentOfDividendsPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DistributionAndPaymentOfDividendsPercentage" xlink:to="lab_bsac_DistributionAndPaymentOfDividendsPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfNetLossesFromOperationalRisksExplanatoryTableTextBlock_fc2a2ebc-0427-4455-b620-558c27ea29e5_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfNetLossesFromOperationalRisksExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Net Losses from Operational Risks</link:label>
    <link:label id="lab_bsac_DisclosureOfNetLossesFromOperationalRisksExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfNetLossesFromOperationalRisksExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Net Losses From Operational Risks Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfNetLossesFromOperationalRisksExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfNetLossesFromOperationalRisksExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Net Losses From Operational Risks Explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfNetLossesFromOperationalRisksExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfNetLossesFromOperationalRisksExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfNetLossesFromOperationalRisksExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfNetLossesFromOperationalRisksExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeFromFinancialOperationsAbstract_9440e834-e711-414c-9efe-47990d83af83_terseLabel_en-US" xlink:label="lab_bsac_NetIncomeFromFinancialOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income from financial operations:</link:label>
    <link:label id="lab_bsac_NetIncomeFromFinancialOperationsAbstract_label_en-US" xlink:label="lab_bsac_NetIncomeFromFinancialOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income From Financial Operations Abstract</link:label>
    <link:label id="lab_bsac_NetIncomeFromFinancialOperationsAbstract_documentation_en-US" xlink:label="lab_bsac_NetIncomeFromFinancialOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Income From Financial Operations Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeFromFinancialOperationsAbstract" xlink:href="bsac-20251231.xsd#bsac_NetIncomeFromFinancialOperationsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomeFromFinancialOperationsAbstract" xlink:to="lab_bsac_NetIncomeFromFinancialOperationsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RangeOfMaturitiesPeriod_2361cbbe-92bc-4111-a5fc-e488af8ad5ec_terseLabel_en-US" xlink:label="lab_bsac_RangeOfMaturitiesPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range of maturities period</link:label>
    <link:label id="lab_bsac_RangeOfMaturitiesPeriod_label_en-US" xlink:label="lab_bsac_RangeOfMaturitiesPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range Of Maturities Period</link:label>
    <link:label id="lab_bsac_RangeOfMaturitiesPeriod_documentation_en-US" xlink:label="lab_bsac_RangeOfMaturitiesPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Range Of Maturities Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RangeOfMaturitiesPeriod" xlink:href="bsac-20251231.xsd#bsac_RangeOfMaturitiesPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RangeOfMaturitiesPeriod" xlink:to="lab_bsac_RangeOfMaturitiesPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CreditCardExpenses_c0ac10b7-dcc1-4d8b-b889-1da1cfdbef99_negatedTerseLabel_en-US" xlink:label="lab_bsac_CreditCardExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Credit card expenses</link:label>
    <link:label id="lab_bsac_CreditCardExpenses_label_en-US" xlink:label="lab_bsac_CreditCardExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Card Expenses</link:label>
    <link:label id="lab_bsac_CreditCardExpenses_documentation_en-US" xlink:label="lab_bsac_CreditCardExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of credit card expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CreditCardExpenses" xlink:href="bsac-20251231.xsd#bsac_CreditCardExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CreditCardExpenses" xlink:to="lab_bsac_CreditCardExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LiabilitiesFromCashFlowClassifiedFinancingActivities_83c0a494-8c6f-4743-803a-2394ff0e9d79_periodStartLabel_en-US" xlink:label="lab_bsac_LiabilitiesFromCashFlowClassifiedFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance at beginning of period</link:label>
    <link:label id="lab_bsac_LiabilitiesFromCashFlowClassifiedFinancingActivities_7672efbe-986c-469b-98a9-cd3862491de4_periodEndLabel_en-US" xlink:label="lab_bsac_LiabilitiesFromCashFlowClassifiedFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance at the end of the period</link:label>
    <link:label id="lab_bsac_LiabilitiesFromCashFlowClassifiedFinancingActivities_label_en-US" xlink:label="lab_bsac_LiabilitiesFromCashFlowClassifiedFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities From Cash Flow Classified Financing Activities</link:label>
    <link:label id="lab_bsac_LiabilitiesFromCashFlowClassifiedFinancingActivities_documentation_en-US" xlink:label="lab_bsac_LiabilitiesFromCashFlowClassifiedFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of liabilities from cash flow classified as financing activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LiabilitiesFromCashFlowClassifiedFinancingActivities" xlink:href="bsac-20251231.xsd#bsac_LiabilitiesFromCashFlowClassifiedFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LiabilitiesFromCashFlowClassifiedFinancingActivities" xlink:to="lab_bsac_LiabilitiesFromCashFlowClassifiedFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReportableSegmentsMember_56175328-925e-48ff-a5d0-d9ff55f00b40_terseLabel_en-US" xlink:label="lab_ifrs-full_ReportableSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_ReportableSegmentsMember_label_en-US" xlink:label="lab_ifrs-full_ReportableSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reportable segments [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReportableSegmentsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReportableSegmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReportableSegmentsMember" xlink:to="lab_ifrs-full_ReportableSegmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationLineItems_fc6b0887-21b2-4bcd-b5b4-532043dcc90a_terseLabel_en-US" xlink:label="lab_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Accumulated Depreciation [Line Items]</link:label>
    <link:label id="lab_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationLineItems_label_en-US" xlink:label="lab_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Accumulated Depreciation [Line Items]</link:label>
    <link:label id="lab_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationLineItems_documentation_en-US" xlink:label="lab_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Accumulated Depreciation [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationLineItems" xlink:href="bsac-20251231.xsd#bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationLineItems" xlink:to="lab_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CentroDeCompensacinAutomatizadoSAMember_82ae6320-527a-4897-b126-e241fa9e8ccd_terseLabel_en-US" xlink:label="lab_bsac_CentroDeCompensacinAutomatizadoSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Centro de Compensaci&#243;n Automatizado S.A.</link:label>
    <link:label id="lab_bsac_CentroDeCompensacinAutomatizadoSAMember_label_en-US" xlink:label="lab_bsac_CentroDeCompensacinAutomatizadoSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Centro De Compensacin Automatizado SA [Member]</link:label>
    <link:label id="lab_bsac_CentroDeCompensacinAutomatizadoSAMember_documentation_en-US" xlink:label="lab_bsac_CentroDeCompensacinAutomatizadoSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Centro De Compensacin Automatizado SA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CentroDeCompensacinAutomatizadoSAMember" xlink:href="bsac-20251231.xsd#bsac_CentroDeCompensacinAutomatizadoSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CentroDeCompensacinAutomatizadoSAMember" xlink:to="lab_bsac_CentroDeCompensacinAutomatizadoSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdditionalDeductionsToCommonEquityTier1OtherThanItem2_59d0a55b-8dec-4e80-979d-6b90ee739497_negatedTerseLabel_en-US" xlink:label="lab_bsac_AdditionalDeductionsToCommonEquityTier1OtherThanItem2" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Additional deductions to common equity tier 1, other than item 2</link:label>
    <link:label id="lab_bsac_AdditionalDeductionsToCommonEquityTier1OtherThanItem2_label_en-US" xlink:label="lab_bsac_AdditionalDeductionsToCommonEquityTier1OtherThanItem2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Deductions To Common Equity Tier1 Other Than Item2</link:label>
    <link:label id="lab_bsac_AdditionalDeductionsToCommonEquityTier1OtherThanItem2_documentation_en-US" xlink:label="lab_bsac_AdditionalDeductionsToCommonEquityTier1OtherThanItem2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additional deductions to common equity tier 1, other than item 2.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdditionalDeductionsToCommonEquityTier1OtherThanItem2" xlink:href="bsac-20251231.xsd#bsac_AdditionalDeductionsToCommonEquityTier1OtherThanItem2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdditionalDeductionsToCommonEquityTier1OtherThanItem2" xlink:to="lab_bsac_AdditionalDeductionsToCommonEquityTier1OtherThanItem2" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherForeignFinancialInstrumentsMember_41355712-9720-4281-87cc-9e481e4e36b8_terseLabel_en-US" xlink:label="lab_bsac_OtherForeignFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other foreign financial instruments</link:label>
    <link:label id="lab_bsac_OtherForeignFinancialInstrumentsMember_label_en-US" xlink:label="lab_bsac_OtherForeignFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Foreign Financial Instruments [Member]</link:label>
    <link:label id="lab_bsac_OtherForeignFinancialInstrumentsMember_documentation_en-US" xlink:label="lab_bsac_OtherForeignFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Foreign Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherForeignFinancialInstrumentsMember" xlink:href="bsac-20251231.xsd#bsac_OtherForeignFinancialInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherForeignFinancialInstrumentsMember" xlink:to="lab_bsac_OtherForeignFinancialInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalOperatingIncome_488e3f03-6e67-4938-956c-544e935bb0ee_totalLabel_en-US" xlink:label="lab_bsac_TotalOperatingIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">TOTAL OPERATING INCOME</link:label>
    <link:label id="lab_bsac_TotalOperatingIncome_label_en-US" xlink:label="lab_bsac_TotalOperatingIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Operating Income</link:label>
    <link:label id="lab_bsac_TotalOperatingIncome_documentation_en-US" xlink:label="lab_bsac_TotalOperatingIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Operating Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalOperatingIncome" xlink:href="bsac-20251231.xsd#bsac_TotalOperatingIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalOperatingIncome" xlink:to="lab_bsac_TotalOperatingIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome_d8bd0e43-2376-4888-875c-d2f46c943bcd_terseLabel_en-US" xlink:label="lab_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt financial instrument</link:label>
    <link:label id="lab_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument At Fair Value Through Other Comprehensive Income</link:label>
    <link:label id="lab_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to debt instrument at fair value through other comprehensive income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome" xlink:href="bsac-20251231.xsd#bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NumberOfSharesOutstanding1_aa208d64-3c73-4f72-915c-832eeabf9bea_totalLabel_en-US" xlink:label="lab_bsac_NumberOfSharesOutstanding1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Shares outstanding (in shares)</link:label>
    <link:label id="lab_bsac_NumberOfSharesOutstanding1_label_en-US" xlink:label="lab_bsac_NumberOfSharesOutstanding1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Shares Outstanding1</link:label>
    <link:label id="lab_bsac_NumberOfSharesOutstanding1_documentation_en-US" xlink:label="lab_bsac_NumberOfSharesOutstanding1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NumberOfSharesOutstanding1" xlink:href="bsac-20251231.xsd#bsac_NumberOfSharesOutstanding1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NumberOfSharesOutstanding1" xlink:to="lab_bsac_NumberOfSharesOutstanding1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax_c23b4f37-8af9-4efb-b4d1-803d53a8145e_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gains (losses) on the re-measurement of cash flow hedges, before tax</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) on cash flow hedges, before tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xlink:to="lab_ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InvestmentsInAssociatesAndOtherCompaniesAbstract_ba8432a0-5763-4c11-9b63-4b10d416bec5_terseLabel_en-US" xlink:label="lab_bsac_InvestmentsInAssociatesAndOtherCompaniesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments in Associates and Other Companies [Abstract]</link:label>
    <link:label id="lab_bsac_InvestmentsInAssociatesAndOtherCompaniesAbstract_label_en-US" xlink:label="lab_bsac_InvestmentsInAssociatesAndOtherCompaniesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments in Associates and Other Companies [Abstract]</link:label>
    <link:label id="lab_bsac_InvestmentsInAssociatesAndOtherCompaniesAbstract_documentation_en-US" xlink:label="lab_bsac_InvestmentsInAssociatesAndOtherCompaniesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investments in Associates and Other Companies [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InvestmentsInAssociatesAndOtherCompaniesAbstract" xlink:href="bsac-20251231.xsd#bsac_InvestmentsInAssociatesAndOtherCompaniesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InvestmentsInAssociatesAndOtherCompaniesAbstract" xlink:to="lab_bsac_InvestmentsInAssociatesAndOtherCompaniesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RealEstateAndOtherFinancialServicesMember_cfc48216-296f-4fbb-a3af-f198439e4282_terseLabel_en-US" xlink:label="lab_bsac_RealEstateAndOtherFinancialServicesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real estate services</link:label>
    <link:label id="lab_bsac_RealEstateAndOtherFinancialServicesMember_label_en-US" xlink:label="lab_bsac_RealEstateAndOtherFinancialServicesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate And Other Financial Services [Member]</link:label>
    <link:label id="lab_bsac_RealEstateAndOtherFinancialServicesMember_documentation_en-US" xlink:label="lab_bsac_RealEstateAndOtherFinancialServicesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Real Estate And Other Financial Services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RealEstateAndOtherFinancialServicesMember" xlink:href="bsac-20251231.xsd#bsac_RealEstateAndOtherFinancialServicesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RealEstateAndOtherFinancialServicesMember" xlink:to="lab_bsac_RealEstateAndOtherFinancialServicesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfDeferredTaxesAssetAndLiabilitiesExplanatoryTableTextBlock_d431b876-48fd-4384-9f22-2b8a25fe26e9_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfDeferredTaxesAssetAndLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Deferred Tax Assets and Liabilities</link:label>
    <link:label id="lab_bsac_ScheduleOfDeferredTaxesAssetAndLiabilitiesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfDeferredTaxesAssetAndLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Deferred Taxes Asset And Liabilities Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfDeferredTaxesAssetAndLiabilitiesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfDeferredTaxesAssetAndLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure deferred tax assets and liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfDeferredTaxesAssetAndLiabilitiesExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfDeferredTaxesAssetAndLiabilitiesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfDeferredTaxesAssetAndLiabilitiesExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfDeferredTaxesAssetAndLiabilitiesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_JPMorganChaseBankADRsMember_019bf9cb-b1de-7554-8703-5763906a0df2_terseLabel_en-US" xlink:label="lab_bsac_JPMorganChaseBankADRsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">J P Morgan Chase Bank (ADRs)</link:label>
    <link:label id="lab_bsac_JPMorganChaseBankADRsMember_label_en-US" xlink:label="lab_bsac_JPMorganChaseBankADRsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">J P Morgan Chase Bank (ADRs) [Member]</link:label>
    <link:label id="lab_bsac_JPMorganChaseBankADRsMember_documentation_en-US" xlink:label="lab_bsac_JPMorganChaseBankADRsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">J P Morgan Chase Bank (ADRs)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_JPMorganChaseBankADRsMember" xlink:href="bsac-20251231.xsd#bsac_JPMorganChaseBankADRsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_JPMorganChaseBankADRsMember" xlink:to="lab_bsac_JPMorganChaseBankADRsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAssetsHeldForSaleMember_019c538a-8fc4-77f2-a9df-3658dd44d5de_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current assets held for sale</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAssetsHeldForSaleMember_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current assets held for sale [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssetsHeldForSaleMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentAssetsHeldForSaleMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssetsHeldForSaleMember" xlink:to="lab_ifrs-full_NoncurrentAssetsHeldForSaleMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MarginAvailable_8b4930e9-1197-4dfc-8715-5bbe300d73da_terseLabel_en-US" xlink:label="lab_bsac_MarginAvailable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Margin available</link:label>
    <link:label id="lab_bsac_MarginAvailable_label_en-US" xlink:label="lab_bsac_MarginAvailable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Margin Available</link:label>
    <link:label id="lab_bsac_MarginAvailable_documentation_en-US" xlink:label="lab_bsac_MarginAvailable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of margin available.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MarginAvailable" xlink:href="bsac-20251231.xsd#bsac_MarginAvailable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MarginAvailable" xlink:to="lab_bsac_MarginAvailable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherAdjustments_127d1d4b-fa0f-4c46-be64-a257ccf1c84f_terseLabel_en-US" xlink:label="lab_bsac_OtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other adjustments</link:label>
    <link:label id="lab_bsac_OtherAdjustments_label_en-US" xlink:label="lab_bsac_OtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Adjustments</link:label>
    <link:label id="lab_bsac_OtherAdjustments_documentation_en-US" xlink:label="lab_bsac_OtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherAdjustments" xlink:href="bsac-20251231.xsd#bsac_OtherAdjustments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherAdjustments" xlink:to="lab_bsac_OtherAdjustments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments_ee145cd2-0011-4a0c-9dc9-4d46e7960351_terseLabel_en-US" xlink:label="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Write-off</link:label>
    <link:label id="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments_label_en-US" xlink:label="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease Through Writeoff Expected Credit Losses Allowances Contingent Liabilities And Loan Commitments</link:label>
    <link:label id="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments_documentation_en-US" xlink:label="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Decrease through write-off, expected credit losses allowances.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:href="bsac-20251231.xsd#bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:to="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FixedAssetsDetailsScheduleofPropertyPlantandEquipmentBalancesLineItems_9185ece8-27a5-439a-8cea-9ce5a4713792_terseLabel_en-US" xlink:label="lab_bsac_FixedAssetsDetailsScheduleofPropertyPlantandEquipmentBalancesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Property, Plant, and Equipment Balances [Line Items]</link:label>
    <link:label id="lab_bsac_FixedAssetsDetailsScheduleofPropertyPlantandEquipmentBalancesLineItems_label_en-US" xlink:label="lab_bsac_FixedAssetsDetailsScheduleofPropertyPlantandEquipmentBalancesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Property, Plant, and Equipment Balances [Line Items]</link:label>
    <link:label id="lab_bsac_FixedAssetsDetailsScheduleofPropertyPlantandEquipmentBalancesLineItems_documentation_en-US" xlink:label="lab_bsac_FixedAssetsDetailsScheduleofPropertyPlantandEquipmentBalancesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Property, Plant, and Equipment Balances [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FixedAssetsDetailsScheduleofPropertyPlantandEquipmentBalancesLineItems" xlink:href="bsac-20251231.xsd#bsac_FixedAssetsDetailsScheduleofPropertyPlantandEquipmentBalancesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FixedAssetsDetailsScheduleofPropertyPlantandEquipmentBalancesLineItems" xlink:to="lab_bsac_FixedAssetsDetailsScheduleofPropertyPlantandEquipmentBalancesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_StageDomainDomain_b3adfdb4-ed39-4fc8-baa7-299e3cfc5684_terseLabel_en-US" xlink:label="lab_bsac_StageDomainDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stage Domain [Domain]</link:label>
    <link:label id="lab_bsac_StageDomainDomain_label_en-US" xlink:label="lab_bsac_StageDomainDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stage Domain [Domain]</link:label>
    <link:label id="lab_bsac_StageDomainDomain_documentation_en-US" xlink:label="lab_bsac_StageDomainDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">StageDomain [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_StageDomainDomain" xlink:href="bsac-20251231.xsd#bsac_StageDomainDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_StageDomainDomain" xlink:to="lab_bsac_StageDomainDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedYieldOfInsuranceContractsFairValueOfPlanAssets_343bce31-85ff-44ac-97db-50156ce2886a_terseLabel_en-US" xlink:label="lab_bsac_ExpectedYieldOfInsuranceContractsFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected yield of insurance contracts</link:label>
    <link:label id="lab_bsac_ExpectedYieldOfInsuranceContractsFairValueOfPlanAssets_e34bb178-5606-43fb-a22c-19ba59e71383_verboseLabel_en-US" xlink:label="lab_bsac_ExpectedYieldOfInsuranceContractsFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Expected yield from plan&#8217;s assets</link:label>
    <link:label id="lab_bsac_ExpectedYieldOfInsuranceContractsFairValueOfPlanAssets_label_en-US" xlink:label="lab_bsac_ExpectedYieldOfInsuranceContractsFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Yield Of Insurance Contracts Fair Value Of Plan Assets</link:label>
    <link:label id="lab_bsac_ExpectedYieldOfInsuranceContractsFairValueOfPlanAssets_documentation_en-US" xlink:label="lab_bsac_ExpectedYieldOfInsuranceContractsFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of expected yield of insurance contracts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedYieldOfInsuranceContractsFairValueOfPlanAssets" xlink:href="bsac-20251231.xsd#bsac_ExpectedYieldOfInsuranceContractsFairValueOfPlanAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedYieldOfInsuranceContractsFairValueOfPlanAssets" xlink:to="lab_bsac_ExpectedYieldOfInsuranceContractsFairValueOfPlanAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities_c79f2080-1407-473d-834c-fa34a350f604_terseLabel_en-US" xlink:label="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank affiliates balance</link:label>
    <link:label id="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities_label_en-US" xlink:label="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Estimated financial effect of contingent liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EstimatedFinancialEffectOfContingentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:to="lab_ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CreditForUniversityStudies_9bbb2957-99a6-42d9-92f2-15c0be69b66e_terseLabel_en-US" xlink:label="lab_bsac_CreditForUniversityStudies" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit for university studies</link:label>
    <link:label id="lab_bsac_CreditForUniversityStudies_label_en-US" xlink:label="lab_bsac_CreditForUniversityStudies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit For University Studies</link:label>
    <link:label id="lab_bsac_CreditForUniversityStudies_documentation_en-US" xlink:label="lab_bsac_CreditForUniversityStudies" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit for university studies.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CreditForUniversityStudies" xlink:href="bsac-20251231.xsd#bsac_CreditForUniversityStudies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CreditForUniversityStudies" xlink:to="lab_bsac_CreditForUniversityStudies" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome1_77fb221e-b82c-4d7c-ba3a-8ea9b47e9096_negatedTerseLabel_en-US" xlink:label="lab_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome1" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Recognised through other comprehensive income</link:label>
    <link:label id="lab_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome1_label_en-US" xlink:label="lab_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Deferred Tax Liabilities Recognized Through Other Comprehensive Income1</link:label>
    <link:label id="lab_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome1_documentation_en-US" xlink:label="lab_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about total deferred tax liabilities recognized through other comprehensive income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome1" xlink:href="bsac-20251231.xsd#bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome1" xlink:to="lab_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfEquityDomain_cb7d1c87-786c-4e89-9779-8d5f903cdda3_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of equity [domain]</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfEquityDomain_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfEquityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of equity [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfEquityDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComponentsOfEquityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfEquityDomain" xlink:to="lab_ifrs-full_ComponentsOfEquityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionsForFactoringOperationsServices_acd08812-f67a-48c5-b8e2-c7aa3d26e14e_terseLabel_en-US" xlink:label="lab_bsac_CommissionsForFactoringOperationsServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commissions for factoring operations services</link:label>
    <link:label id="lab_bsac_CommissionsForFactoringOperationsServices_label_en-US" xlink:label="lab_bsac_CommissionsForFactoringOperationsServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commissions For Factoring Operations Services</link:label>
    <link:label id="lab_bsac_CommissionsForFactoringOperationsServices_documentation_en-US" xlink:label="lab_bsac_CommissionsForFactoringOperationsServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount commissions for factoring operations services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionsForFactoringOperationsServices" xlink:href="bsac-20251231.xsd#bsac_CommissionsForFactoringOperationsServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionsForFactoringOperationsServices" xlink:to="lab_bsac_CommissionsForFactoringOperationsServices" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransactionsRelatedToContingentEventsInLocalCurrency_546e562a-e0a8-4c98-9bb4-f0743f7c54c6_terseLabel_en-US" xlink:label="lab_bsac_TransactionsRelatedToContingentEventsInLocalCurrency" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactions related to contingent events in local currency</link:label>
    <link:label id="lab_bsac_TransactionsRelatedToContingentEventsInLocalCurrency_label_en-US" xlink:label="lab_bsac_TransactionsRelatedToContingentEventsInLocalCurrency" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transactions Related To Contingent Events In Local Currency</link:label>
    <link:label id="lab_bsac_TransactionsRelatedToContingentEventsInLocalCurrency_documentation_en-US" xlink:label="lab_bsac_TransactionsRelatedToContingentEventsInLocalCurrency" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transactions related to contingent events in local currency.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransactionsRelatedToContingentEventsInLocalCurrency" xlink:href="bsac-20251231.xsd#bsac_TransactionsRelatedToContingentEventsInLocalCurrency"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransactionsRelatedToContingentEventsInLocalCurrency" xlink:to="lab_bsac_TransactionsRelatedToContingentEventsInLocalCurrency" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DividendsReceivedClassifiedAsOperatingActivities_4a6f2740-d29d-4629-8f85-74a1aca07566_terseLabel_en-US" xlink:label="lab_ifrs-full_DividendsReceivedClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends received from investments in other companies</link:label>
    <link:label id="lab_ifrs-full_DividendsReceivedClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_DividendsReceivedClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends received, classified as operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsReceivedClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsReceivedClassifiedAsOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsReceivedClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_DividendsReceivedClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PersonalGuaranteesInLocalCurrency_ab236662-39f3-4c4d-9acc-25372f5c9b9a_terseLabel_en-US" xlink:label="lab_bsac_PersonalGuaranteesInLocalCurrency" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Personal guarantees in local currency</link:label>
    <link:label id="lab_bsac_PersonalGuaranteesInLocalCurrency_label_en-US" xlink:label="lab_bsac_PersonalGuaranteesInLocalCurrency" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Personal Guarantees In Local Currency</link:label>
    <link:label id="lab_bsac_PersonalGuaranteesInLocalCurrency_documentation_en-US" xlink:label="lab_bsac_PersonalGuaranteesInLocalCurrency" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Personal guarantees in local currency.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PersonalGuaranteesInLocalCurrency" xlink:href="bsac-20251231.xsd#bsac_PersonalGuaranteesInLocalCurrency"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PersonalGuaranteesInLocalCurrency" xlink:to="lab_bsac_PersonalGuaranteesInLocalCurrency" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherFinancialInstrumentsFVOCIMember_3d33a8b8-f9f4-4513-be3a-5e16d43548d0_terseLabel_en-US" xlink:label="lab_bsac_OtherFinancialInstrumentsFVOCIMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other financial instruments</link:label>
    <link:label id="lab_bsac_OtherFinancialInstrumentsFVOCIMember_label_en-US" xlink:label="lab_bsac_OtherFinancialInstrumentsFVOCIMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Financial Instruments FVOCI [Member]</link:label>
    <link:label id="lab_bsac_OtherFinancialInstrumentsFVOCIMember_documentation_en-US" xlink:label="lab_bsac_OtherFinancialInstrumentsFVOCIMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Financial Instruments FVOCI</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherFinancialInstrumentsFVOCIMember" xlink:href="bsac-20251231.xsd#bsac_OtherFinancialInstrumentsFVOCIMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherFinancialInstrumentsFVOCIMember" xlink:to="lab_bsac_OtherFinancialInstrumentsFVOCIMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DividendsPaid_bce29cd1-2f1f-4095-b2f8-efeb8a277edc_terseLabel_en-US" xlink:label="lab_ifrs-full_DividendsPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends recognised as distributions to owners</link:label>
    <link:label id="lab_ifrs-full_DividendsPaid_label_en-US" xlink:label="lab_ifrs-full_DividendsPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends recognised as distributions to owners</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsPaid" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsPaid" xlink:to="lab_ifrs-full_DividendsPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LettersOfCreditIssued_9fae00c1-ef88-41d7-bc5a-4796d5f5b340_terseLabel_en-US" xlink:label="lab_bsac_LettersOfCreditIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Letters of credit issued</link:label>
    <link:label id="lab_bsac_LettersOfCreditIssued_label_en-US" xlink:label="lab_bsac_LettersOfCreditIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letters Of Credit Issued</link:label>
    <link:label id="lab_bsac_LettersOfCreditIssued_documentation_en-US" xlink:label="lab_bsac_LettersOfCreditIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount letters of credit issued.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LettersOfCreditIssued" xlink:href="bsac-20251231.xsd#bsac_LettersOfCreditIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LettersOfCreditIssued" xlink:to="lab_bsac_LettersOfCreditIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AllowanceForECLCollectiveBasis_24c30778-1111-46a7-b577-0b417fc11799_terseLabel_en-US" xlink:label="lab_bsac_AllowanceForECLCollectiveBasis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for ECL &#8211; collective basis</link:label>
    <link:label id="lab_bsac_AllowanceForECLCollectiveBasis_label_en-US" xlink:label="lab_bsac_AllowanceForECLCollectiveBasis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance For ECLCollective Basis</link:label>
    <link:label id="lab_bsac_AllowanceForECLCollectiveBasis_documentation_en-US" xlink:label="lab_bsac_AllowanceForECLCollectiveBasis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Allowance For ECLCollective Basis</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AllowanceForECLCollectiveBasis" xlink:href="bsac-20251231.xsd#bsac_AllowanceForECLCollectiveBasis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AllowanceForECLCollectiveBasis" xlink:to="lab_bsac_AllowanceForECLCollectiveBasis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DilutedEarningsPerShareFromContinuingOperations_e8138d56-f582-4f29-8aea-6bc282bd9027_terseLabel_en-US" xlink:label="lab_bsac_DilutedEarningsPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted earnings per share from continuing operations (in Pesos per share)</link:label>
    <link:label id="lab_bsac_DilutedEarningsPerShareFromContinuingOperations_label_en-US" xlink:label="lab_bsac_DilutedEarningsPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Diluted Earnings Per Share From Continuing Operations</link:label>
    <link:label id="lab_bsac_DilutedEarningsPerShareFromContinuingOperations_documentation_en-US" xlink:label="lab_bsac_DilutedEarningsPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Diluted earnings (loss) per share from continuing operations. [Refer: Continuing operations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DilutedEarningsPerShareFromContinuingOperations" xlink:href="bsac-20251231.xsd#bsac_DilutedEarningsPerShareFromContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DilutedEarningsPerShareFromContinuingOperations" xlink:to="lab_bsac_DilutedEarningsPerShareFromContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsNet_4007130a-68b2-491b-9f03-d987bd132c79_terseLabel_en-US" xlink:label="lab_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Comprehensive income</link:label>
    <link:label id="lab_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsNet_label_en-US" xlink:label="lab_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income Attributable To Noncontrolling Interests Net</link:label>
    <link:label id="lab_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsNet_documentation_en-US" xlink:label="lab_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of comprehensive income attributable to non-controlling interests.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsNet" xlink:href="bsac-20251231.xsd#bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsNet" xlink:to="lab_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsNet" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepositsFromCustomers_2c1b4325-3f0a-46e0-aaf1-4f7d0ad9d6ec_terseLabel_en-US" xlink:label="lab_ifrs-full_DepositsFromCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits and other demand liabilities</link:label>
    <link:label id="lab_ifrs-full_DepositsFromCustomers_label_en-US" xlink:label="lab_ifrs-full_DepositsFromCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits from customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepositsFromCustomers" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepositsFromCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepositsFromCustomers" xlink:to="lab_ifrs-full_DepositsFromCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract_0528b114-13eb-4d7f-be30-f2db0d4f221a_terseLabel_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income that will be reclassified to profit or loss</link:label>
    <link:label id="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract_label_en-US" xlink:label="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:to="lab_ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndBankBalancesAtCentralBanks_e0da4076-c438-4e12-9ea1-82e8de590e74_terseLabel_en-US" xlink:label="lab_ifrs-full_CashAndBankBalancesAtCentralBanks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and deposits in banks</link:label>
    <link:label id="lab_ifrs-full_CashAndBankBalancesAtCentralBanks_label_en-US" xlink:label="lab_ifrs-full_CashAndBankBalancesAtCentralBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and bank balances at central banks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndBankBalancesAtCentralBanks" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAndBankBalancesAtCentralBanks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashAndBankBalancesAtCentralBanks" xlink:to="lab_ifrs-full_CashAndBankBalancesAtCentralBanks" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommonEquityTier_1d87af11-5474-4471-b7cc-f425fe211098_totalLabel_en-US" xlink:label="lab_bsac_CommonEquityTier" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">= (16-17-2) Common Equity Tier 1 (CET1)</link:label>
    <link:label id="lab_bsac_CommonEquityTier_label_en-US" xlink:label="lab_bsac_CommonEquityTier" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Equity Tier</link:label>
    <link:label id="lab_bsac_CommonEquityTier_documentation_en-US" xlink:label="lab_bsac_CommonEquityTier" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of common equityt Ter.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommonEquityTier" xlink:href="bsac-20251231.xsd#bsac_CommonEquityTier"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommonEquityTier" xlink:to="lab_bsac_CommonEquityTier" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BrokerDealerAndSimultaneousTransactions_e04aedb6-6750-4156-8032-0102e8e4988a_terseLabel_en-US" xlink:label="lab_bsac_BrokerDealerAndSimultaneousTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Broker dealer and simultaneous transactions</link:label>
    <link:label id="lab_bsac_BrokerDealerAndSimultaneousTransactions_label_en-US" xlink:label="lab_bsac_BrokerDealerAndSimultaneousTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Broker Dealer And Simultaneous Transactions</link:label>
    <link:label id="lab_bsac_BrokerDealerAndSimultaneousTransactions_documentation_en-US" xlink:label="lab_bsac_BrokerDealerAndSimultaneousTransactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of broker dealer and simultaneous transactions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BrokerDealerAndSimultaneousTransactions" xlink:href="bsac-20251231.xsd#bsac_BrokerDealerAndSimultaneousTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BrokerDealerAndSimultaneousTransactions" xlink:to="lab_bsac_BrokerDealerAndSimultaneousTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutLoanByTypeOfExplanatoryTableTextBlock_7e5492ac-a59a-4e95-9b79-8c9bc4bbf700_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutLoanByTypeOfExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loan and Accounts Receivable Write-Offs</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutLoanByTypeOfExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutLoanByTypeOfExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Loan By Type Of Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutLoanByTypeOfExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutLoanByTypeOfExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of various type of loan.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutLoanByTypeOfExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutLoanByTypeOfExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutLoanByTypeOfExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutLoanByTypeOfExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SubtotalOneMember_00e864dc-09e2-4cb5-a9bb-93f5a56720c4_terseLabel_en-US" xlink:label="lab_bsac_SubtotalOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_bsac_SubtotalOneMember_label_en-US" xlink:label="lab_bsac_SubtotalOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subtotal One [Member]</link:label>
    <link:label id="lab_bsac_SubtotalOneMember_documentation_en-US" xlink:label="lab_bsac_SubtotalOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Subtotal One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubtotalOneMember" xlink:href="bsac-20251231.xsd#bsac_SubtotalOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubtotalOneMember" xlink:to="lab_bsac_SubtotalOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostInDollar_3d697d45-f4d3-4e4f-a0b9-31cf552e70bd_terseLabel_en-US" xlink:label="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostInDollar" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and accounts receivable from customers</link:label>
    <link:label id="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostInDollar_label_en-US" xlink:label="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostInDollar" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Accounts Receivable At Amortized Cost In Dollar</link:label>
    <link:label id="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostInDollar_documentation_en-US" xlink:label="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostInDollar" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans And Accounts Receivable At Amortized Cost In Dollar</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansAndAccountsReceivableAtAmortizedCostInDollar" xlink:href="bsac-20251231.xsd#bsac_LoansAndAccountsReceivableAtAmortizedCostInDollar"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansAndAccountsReceivableAtAmortizedCostInDollar" xlink:to="lab_bsac_LoansAndAccountsReceivableAtAmortizedCostInDollar" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsAbstract0_6d6fe6af-f545-47b2-86ee-3cb3d53ee71e_terseLabel_en-US" xlink:label="lab_bsac_AssetsAbstract0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_bsac_AssetsAbstract0_label_en-US" xlink:label="lab_bsac_AssetsAbstract0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Abstract0</link:label>
    <link:label id="lab_bsac_AssetsAbstract0_documentation_en-US" xlink:label="lab_bsac_AssetsAbstract0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Assets Abstract0</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsAbstract0" xlink:href="bsac-20251231.xsd#bsac_AssetsAbstract0"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsAbstract0" xlink:to="lab_bsac_AssetsAbstract0" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfPlacementOfSeniorBondsTable_805ae3e6-bf4f-47af-81be-2128812b6200_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfPlacementOfSeniorBondsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Placement of Senior Bonds [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfPlacementOfSeniorBondsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfPlacementOfSeniorBondsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Placement of Senior Bonds [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfPlacementOfSeniorBondsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfPlacementOfSeniorBondsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Placement of Senior Bonds [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfPlacementOfSeniorBondsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfPlacementOfSeniorBondsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfPlacementOfSeniorBondsTable" xlink:to="lab_bsac_ScheduleOfPlacementOfSeniorBondsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativeFinancialLiabilities_36c06bd5-741e-442d-8267-4f24a7ebf5bb_terseLabel_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial derivative contracts</link:label>
    <link:label id="lab_ifrs-full_DerivativeFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativeFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DerivativeFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_DerivativeFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CorporateMiddleMarketMember_5168d0fb-64c7-4092-b29b-bf1e28ccad7d_terseLabel_en-US" xlink:label="lab_bsac_CorporateMiddleMarketMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Middle market</link:label>
    <link:label id="lab_bsac_CorporateMiddleMarketMember_label_en-US" xlink:label="lab_bsac_CorporateMiddleMarketMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate Middle Market [Member]</link:label>
    <link:label id="lab_bsac_CorporateMiddleMarketMember_documentation_en-US" xlink:label="lab_bsac_CorporateMiddleMarketMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Corporate Middle Market</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CorporateMiddleMarketMember" xlink:href="bsac-20251231.xsd#bsac_CorporateMiddleMarketMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CorporateMiddleMarketMember" xlink:to="lab_bsac_CorporateMiddleMarketMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FeesForOtherServicesRendered_1bbdcc16-d520-49b2-86b0-ee1ff1efa177_terseLabel_en-US" xlink:label="lab_bsac_FeesForOtherServicesRendered" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fees for other services rendered</link:label>
    <link:label id="lab_bsac_FeesForOtherServicesRendered_label_en-US" xlink:label="lab_bsac_FeesForOtherServicesRendered" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees For Other Services Rendered</link:label>
    <link:label id="lab_bsac_FeesForOtherServicesRendered_documentation_en-US" xlink:label="lab_bsac_FeesForOtherServicesRendered" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fees for other services rendered.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FeesForOtherServicesRendered" xlink:href="bsac-20251231.xsd#bsac_FeesForOtherServicesRendered"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FeesForOtherServicesRendered" xlink:to="lab_bsac_FeesForOtherServicesRendered" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CarpetsAndCurtainsMember_3d3bc31d-0f0e-4a26-af49-8230c0aeb9af_terseLabel_en-US" xlink:label="lab_bsac_CarpetsAndCurtainsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carpets and curtains</link:label>
    <link:label id="lab_bsac_CarpetsAndCurtainsMember_label_en-US" xlink:label="lab_bsac_CarpetsAndCurtainsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Carpets And Curtains [Member]</link:label>
    <link:label id="lab_bsac_CarpetsAndCurtainsMember_documentation_en-US" xlink:label="lab_bsac_CarpetsAndCurtainsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Carpets And Curtains</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CarpetsAndCurtainsMember" xlink:href="bsac-20251231.xsd#bsac_CarpetsAndCurtainsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CarpetsAndCurtainsMember" xlink:to="lab_bsac_CarpetsAndCurtainsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncome_2ecf6e5c-8099-46d6-bde7-d307e23d17e9_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income for the year, net of tax</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncome_10a655f4-bc9e-4a7f-bdaf-e04b30ac68c2_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncome" xlink:to="lab_ifrs-full_OtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MoreThan1YearMember_ba322763-1d8b-40f3-8c30-26d4203324c0_terseLabel_en-US" xlink:label="lab_bsac_MoreThan1YearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">More than 1 year</link:label>
    <link:label id="lab_bsac_MoreThan1YearMember_label_en-US" xlink:label="lab_bsac_MoreThan1YearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">More Than1 Year [Member]</link:label>
    <link:label id="lab_bsac_MoreThan1YearMember_documentation_en-US" xlink:label="lab_bsac_MoreThan1YearMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">More Than1 Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MoreThan1YearMember" xlink:href="bsac-20251231.xsd#bsac_MoreThan1YearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MoreThan1YearMember" xlink:to="lab_bsac_MoreThan1YearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDepreciationAmortisationAndImpairmentExpenseTableTextBlock_337389e0-dcb3-483f-8c6b-a19ef2c98e98_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDepreciationAmortisationAndImpairmentExpenseTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation, Amortisation, and Impairment</link:label>
    <link:label id="lab_bsac_DisclosureOfDepreciationAmortisationAndImpairmentExpenseTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDepreciationAmortisationAndImpairmentExpenseTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Depreciation Amortisation And Impairment Expense [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDepreciationAmortisationAndImpairmentExpenseTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDepreciationAmortisationAndImpairmentExpenseTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure of depreciation, amortisation and impairment expense.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDepreciationAmortisationAndImpairmentExpenseTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDepreciationAmortisationAndImpairmentExpenseTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDepreciationAmortisationAndImpairmentExpenseTableTextBlock" xlink:to="lab_bsac_DisclosureOfDepreciationAmortisationAndImpairmentExpenseTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FeesAndCommissionsForCollectionsAndPayments_ee994025-0ce6-4f7e-b923-8c8222586e2d_terseLabel_en-US" xlink:label="lab_bsac_FeesAndCommissionsForCollectionsAndPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fees and commissions for collections and payments</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForCollectionsAndPayments_label_en-US" xlink:label="lab_bsac_FeesAndCommissionsForCollectionsAndPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees And Commissions For Collections And Payments</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForCollectionsAndPayments_documentation_en-US" xlink:label="lab_bsac_FeesAndCommissionsForCollectionsAndPayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of income recognised from collections and payments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FeesAndCommissionsForCollectionsAndPayments" xlink:href="bsac-20251231.xsd#bsac_FeesAndCommissionsForCollectionsAndPayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FeesAndCommissionsForCollectionsAndPayments" xlink:to="lab_bsac_FeesAndCommissionsForCollectionsAndPayments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TeatinosSigloXXiInversionesLtdaMember_dcba7cab-c6f6-453a-88e8-a3093973b786_terseLabel_en-US" xlink:label="lab_bsac_TeatinosSigloXXiInversionesLtdaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Teatinos Siglo XXi inversiones Ltda</link:label>
    <link:label id="lab_bsac_TeatinosSigloXXiInversionesLtdaMember_label_en-US" xlink:label="lab_bsac_TeatinosSigloXXiInversionesLtdaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Teatinos Siglo XXi Inversiones Ltda [Member]</link:label>
    <link:label id="lab_bsac_TeatinosSigloXXiInversionesLtdaMember_documentation_en-US" xlink:label="lab_bsac_TeatinosSigloXXiInversionesLtdaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Teatinos Siglo XXi Inversiones Ltda</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TeatinosSigloXXiInversionesLtdaMember" xlink:href="bsac-20251231.xsd#bsac_TeatinosSigloXXiInversionesLtdaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TeatinosSigloXXiInversionesLtdaMember" xlink:to="lab_bsac_TeatinosSigloXXiInversionesLtdaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition_05027e8f-dd5d-464c-a2c5-09c3bd447ee2_totalLabel_en-US" xlink:label="lab_ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net contingent loans</link:label>
    <link:label id="lab_ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition_label_en-US" xlink:label="lab_ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net financial assets subject to offsetting, enforceable master netting arrangements or similar agreements in statement of financial position</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetFinancialAssetsSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsInStatementOfFinancialPosition"/>
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    <link:label id="lab_bsac_AccumulatedAmortizationForIntangibleAssets_e0140192-24fe-42ee-892b-2468b3287534_negatedTerseLabel_en-US" xlink:label="lab_bsac_AccumulatedAmortizationForIntangibleAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Accumulated amortisation</link:label>
    <link:label id="lab_bsac_AccumulatedAmortizationForIntangibleAssets_label_en-US" xlink:label="lab_bsac_AccumulatedAmortizationForIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Amortization For Intangible Assets</link:label>
    <link:label id="lab_bsac_AccumulatedAmortizationForIntangibleAssets_documentation_en-US" xlink:label="lab_bsac_AccumulatedAmortizationForIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accumulated amortization.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AccumulatedAmortizationForIntangibleAssets" xlink:href="bsac-20251231.xsd#bsac_AccumulatedAmortizationForIntangibleAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AccumulatedAmortizationForIntangibleAssets" xlink:to="lab_bsac_AccumulatedAmortizationForIntangibleAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsLineItems_028fae88-8b18-4e40-9dde-9fd0997bcc7b_terseLabel_en-US" xlink:label="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Liabilities at Amortised Cost (Details) [Line Items]</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsLineItems_label_en-US" xlink:label="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Liabilities at Amortised Cost (Details) [Line Items]</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsLineItems_documentation_en-US" xlink:label="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Liabilities at Amortised Cost (Details) [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialLiabilitiesatAmortisedCostDetailsLineItems" xlink:href="bsac-20251231.xsd#bsac_FinancialLiabilitiesatAmortisedCostDetailsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialLiabilitiesatAmortisedCostDetailsLineItems" xlink:to="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome_e26a8c36-072d-4744-875e-df10f4ca0eaf_terseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flow hedges</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToCashFlowHedgesOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax relating to cash flow hedges included in other comprehensive income</link:label>
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    <link:label id="lab_ifrs-full_NoncontrollingInterests_05526678-7fd2-46a3-86cb-843ed3c55e0f_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interest</link:label>
    <link:label id="lab_ifrs-full_NoncontrollingInterests_89f59c22-c81d-44a0-911d-b4b8ec61ca4c_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_ifrs-full_NoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-controlling interests</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncontrollingInterests" xlink:to="lab_ifrs-full_NoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AmountOfNextThreeInterestCouponsOnBondsWithoutAFixedMaturityDate_019c5867-1ca9-7bba-81f3-f0886bafa49d_terseLabel_en-US" xlink:label="lab_bsac_AmountOfNextThreeInterestCouponsOnBondsWithoutAFixedMaturityDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount of next three interest coupons on bonds without a fixed maturity date</link:label>
    <link:label id="lab_bsac_AmountOfNextThreeInterestCouponsOnBondsWithoutAFixedMaturityDate_label_en-US" xlink:label="lab_bsac_AmountOfNextThreeInterestCouponsOnBondsWithoutAFixedMaturityDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount Of Next Three Interest Coupons On Bonds Without A Fixed Maturity Date</link:label>
    <link:label id="lab_bsac_AmountOfNextThreeInterestCouponsOnBondsWithoutAFixedMaturityDate_documentation_en-US" xlink:label="lab_bsac_AmountOfNextThreeInterestCouponsOnBondsWithoutAFixedMaturityDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount Of Next Three Interest Coupons On Bonds Without A Fixed Maturity Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AmountOfNextThreeInterestCouponsOnBondsWithoutAFixedMaturityDate" xlink:href="bsac-20251231.xsd#bsac_AmountOfNextThreeInterestCouponsOnBondsWithoutAFixedMaturityDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AmountOfNextThreeInterestCouponsOnBondsWithoutAFixedMaturityDate" xlink:to="lab_bsac_AmountOfNextThreeInterestCouponsOnBondsWithoutAFixedMaturityDate" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutShareholderCompositionExplanatoryTableTextBlock_5779aa8c-1eb3-4ffb-a098-464acf5bf08a_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutShareholderCompositionExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Shareholder Composition</link:label>
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    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutShareholderCompositionExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutShareholderCompositionExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about shareholder composition.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutShareholderCompositionExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutShareholderCompositionExplanatoryTableTextBlock"/>
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    <link:label id="lab_bsac_ExpectedCreditLossAllowancesSubtotal_af5dcbb8-7a65-404b-ba31-666964403091_negatedTotalLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossAllowancesSubtotal" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossAllowancesSubtotal_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossAllowancesSubtotal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Loss Allowances Subtotal</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossAllowancesSubtotal_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossAllowancesSubtotal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Credit Loss Allowances Subtotal</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossAllowancesSubtotal" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossAllowancesSubtotal"/>
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    <link:label id="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_16132df4-6262-449c-89be-398b54f084e1_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for depreciation and amortisation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense"/>
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    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis_019c538a-1412-7a76-92d0-b62455faa06d_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets and liabilities classified as held for sale [axis]</link:label>
    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis_label_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets and liabilities classified as held for sale [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis"/>
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    <link:label id="lab_bsac_ThirdPartyOperationsSecuritiesHolds_a15f43b3-705a-4e9a-a024-422914a5c316_totalLabel_en-US" xlink:label="lab_bsac_ThirdPartyOperationsSecuritiesHolds" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_bsac_ThirdPartyOperationsSecuritiesHolds_label_en-US" xlink:label="lab_bsac_ThirdPartyOperationsSecuritiesHolds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Third Party Operations Securities Holds</link:label>
    <link:label id="lab_bsac_ThirdPartyOperationsSecuritiesHolds_documentation_en-US" xlink:label="lab_bsac_ThirdPartyOperationsSecuritiesHolds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about third party operations securities holds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ThirdPartyOperationsSecuritiesHolds" xlink:href="bsac-20251231.xsd#bsac_ThirdPartyOperationsSecuritiesHolds"/>
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    <link:label id="lab_bsac_FinancialAssetsPercentage_966b79f3-4558-4afe-acb8-062ce9275d45_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage</link:label>
    <link:label id="lab_bsac_FinancialAssetsPercentage_label_en-US" xlink:label="lab_bsac_FinancialAssetsPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets Percentage</link:label>
    <link:label id="lab_bsac_FinancialAssetsPercentage_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about financial assets percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsPercentage" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsPercentage" xlink:to="lab_bsac_FinancialAssetsPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GainLossesOnRemeasurementOfDebtInstrumentsAtFvociBeforeTax_44d82491-5c06-4613-981f-c87c2442247a_terseLabel_en-US" xlink:label="lab_bsac_GainLossesOnRemeasurementOfDebtInstrumentsAtFvociBeforeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain (losses) on the re-measurement of debt instruments at FVOCI, before tax</link:label>
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    <link:label id="lab_bsac_GainLossesOnRemeasurementOfDebtInstrumentsAtFvociBeforeTax_documentation_en-US" xlink:label="lab_bsac_GainLossesOnRemeasurementOfDebtInstrumentsAtFvociBeforeTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount refer to gain and loss on remeasurement of debt instrument.</link:label>
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    <link:label id="lab_ifrs-full_BorrowingsByNameAxis_de0c22d6-2475-4b3e-b85d-90bb2af2e055_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings by name [axis]</link:label>
    <link:label id="lab_ifrs-full_BorrowingsByNameAxis_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings by name [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsByNameAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BorrowingsByNameAxis"/>
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    <link:label id="lab_bsac_BSTD2110245Member_019bf9b2-d403-7c49-87e3-3b6e6c164e77_terseLabel_en-US" xlink:label="lab_bsac_BSTD2110245Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD211024</link:label>
    <link:label id="lab_bsac_BSTD2110245Member_label_en-US" xlink:label="lab_bsac_BSTD2110245Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD211024-5 [Member]</link:label>
    <link:label id="lab_bsac_BSTD2110245Member_documentation_en-US" xlink:label="lab_bsac_BSTD2110245Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD211024-5</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD2110245Member" xlink:href="bsac-20251231.xsd#bsac_BSTD2110245Member"/>
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    <link:label id="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedProfit_60335a6f-3945-4ac7-bea9-6d83eb16b546_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedProfit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized profit</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedProfit_label_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedProfit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets At Fair Value Through Other Comprehensive Income Accumulated Unrealized Profit</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedProfit_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedProfit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current financial assets mandatorily measured at fair value through profit or loss in accordance with IFRS 9.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedProfit" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedProfit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedProfit" xlink:to="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedProfit" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired_2ab54a23-7f94-4cd9-b2b7-8777b6319275_terseLabel_en-US" xlink:label="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of yearly interest yield</link:label>
    <link:label id="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired_019c2285-c82e-73fd-82b3-9f886d415162_verboseLabel_en-US" xlink:label="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Percentage of shares acquired percentage</link:label>
    <link:label id="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired_label_en-US" xlink:label="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of voting equity interests acquired</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PercentageOfVotingEquityInterestsAcquired"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:to="lab_ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfHedgesDomain_ab15016f-8489-45c3-aa66-de1523850980_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfHedgesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of hedges [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfHedgesDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfHedgesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of hedges [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfHedgesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfHedgesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfHedgesDomain" xlink:to="lab_ifrs-full_TypesOfHedgesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ResultFromSaleOfCompaniesSharesMember_eeb4ccba-3543-490b-8532-f2850d2dee37_terseLabel_en-US" xlink:label="lab_bsac_ResultFromSaleOfCompaniesSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Results from the sale of ownership in investment in companies</link:label>
    <link:label id="lab_bsac_ResultFromSaleOfCompaniesSharesMember_label_en-US" xlink:label="lab_bsac_ResultFromSaleOfCompaniesSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Result From Sale Of Companies Shares [Member]</link:label>
    <link:label id="lab_bsac_ResultFromSaleOfCompaniesSharesMember_documentation_en-US" xlink:label="lab_bsac_ResultFromSaleOfCompaniesSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Result From Sale Of Companies Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ResultFromSaleOfCompaniesSharesMember" xlink:href="bsac-20251231.xsd#bsac_ResultFromSaleOfCompaniesSharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ResultFromSaleOfCompaniesSharesMember" xlink:to="lab_bsac_ResultFromSaleOfCompaniesSharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderInvestmentChileLimitadaChileGroupLeasesMonthlyMember_019b9f64-bbc0-7d35-8ea7-1f09349d2e30_terseLabel_en-US" xlink:label="lab_bsac_SantanderInvestmentChileLimitadaChileGroupLeasesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Investment Chile Limitada| Chile| Group| Leases| Monthly</link:label>
    <link:label id="lab_bsac_SantanderInvestmentChileLimitadaChileGroupLeasesMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderInvestmentChileLimitadaChileGroupLeasesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Investment Chile Limitada| Chile| Group| Leases| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderInvestmentChileLimitadaChileGroupLeasesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderInvestmentChileLimitadaChileGroupLeasesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Investment Chile Limitada| Chile| Group| Leases| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderInvestmentChileLimitadaChileGroupLeasesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderInvestmentChileLimitadaChileGroupLeasesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderInvestmentChileLimitadaChileGroupLeasesMonthlyMember" xlink:to="lab_bsac_SantanderInvestmentChileLimitadaChileGroupLeasesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupConsultingServicesMonthlyMember_019bf9e7-5c5e-73c0-85d4-4fddfca6ebd1_terseLabel_en-US" xlink:label="lab_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gesban Santander Servicios Profesionales Contables Limitada| Chile| Group| Consulting Services| Monthly</link:label>
    <link:label id="lab_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gesban Santander Servicios Profesionales Contables Limitada| Chile| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gesban Santander Servicios Profesionales Contables Limitada| Chile| Group| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupConsultingServicesMonthlyMember" xlink:to="lab_bsac_GesbanSantanderServiciosProfesionalesContablesLimitadaChileGroupConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MarketRiskMember_619d6027-771e-4008-adcb-d89223f38419_terseLabel_en-US" xlink:label="lab_ifrs-full_MarketRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Market Risk</link:label>
    <link:label id="lab_ifrs-full_MarketRiskMember_label_en-US" xlink:label="lab_ifrs-full_MarketRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MarketRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MarketRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MarketRiskMember" xlink:to="lab_ifrs-full_MarketRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExternalCollectionServices_2f8bb7ab-8481-43c9-a845-48e098f9cd7f_negatedTerseLabel_en-US" xlink:label="lab_bsac_ExternalCollectionServices" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">External collection services</link:label>
    <link:label id="lab_bsac_ExternalCollectionServices_label_en-US" xlink:label="lab_bsac_ExternalCollectionServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">External Collection Services</link:label>
    <link:label id="lab_bsac_ExternalCollectionServices_documentation_en-US" xlink:label="lab_bsac_ExternalCollectionServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of external collection services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExternalCollectionServices" xlink:href="bsac-20251231.xsd#bsac_ExternalCollectionServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExternalCollectionServices" xlink:to="lab_bsac_ExternalCollectionServices" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskLineItems_92c3dbf6-f92b-47bb-9174-906ea4562ed6_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Interest Rate Risk [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Interest Rate Risk [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Interest Rate Risk [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskLineItems" xlink:to="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_019c57de-dd6c-701b-80a0-102e80e2626a_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated depreciation, amortisation and impairment [member]</link:label>
    <link:label id="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated depreciation, amortisation and impairment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:to="lab_ifrs-full_AccumulatedDepreciationAmortisationAndImpairmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_March2024SeniorUFMember_197b4430-3031-45b7-9f95-0ae9748251cd_terseLabel_en-US" xlink:label="lab_bsac_March2024SeniorUFMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">March 2024, Senior, UF</link:label>
    <link:label id="lab_bsac_March2024SeniorUFMember_label_en-US" xlink:label="lab_bsac_March2024SeniorUFMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">March 2024, Senior, UF [Member]</link:label>
    <link:label id="lab_bsac_March2024SeniorUFMember_documentation_en-US" xlink:label="lab_bsac_March2024SeniorUFMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">March 2024, Senior, UF</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_March2024SeniorUFMember" xlink:href="bsac-20251231.xsd#bsac_March2024SeniorUFMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_March2024SeniorUFMember" xlink:to="lab_bsac_March2024SeniorUFMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTDA610222Member_019bf9a2-33db-7529-898a-1712c82ddbba_terseLabel_en-US" xlink:label="lab_bsac_BSTDA610222Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTDA61022</link:label>
    <link:label id="lab_bsac_BSTDA610222Member_label_en-US" xlink:label="lab_bsac_BSTDA610222Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTDA61022-2 [Member]</link:label>
    <link:label id="lab_bsac_BSTDA610222Member_documentation_en-US" xlink:label="lab_bsac_BSTDA610222Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTDA61022-2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTDA610222Member" xlink:href="bsac-20251231.xsd#bsac_BSTDA610222Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTDA610222Member" xlink:to="lab_bsac_BSTDA610222Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsLineItems_15e477f0-ed70-4356-a66d-51c0699332b7_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Bank Holds Portfolio of Derivative Instruments [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Bank Holds Portfolio of Derivative Instruments [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Bank Holds Portfolio of Derivative Instruments [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsLineItems" xlink:to="lab_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskExplanatoryTableTextBlock_6cf51e9e-e26f-4ae9-b14f-9207032a8b86_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Inflation Risk</link:label>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Forecasted Cash Flows For Inflation Risk Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure about forecasted cash flows for inflation risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfForecastedCashFlowsForInflationRiskExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfForecastedCashFlowsForInflationRiskExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfForecastedCashFlowsForInflationRiskExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MacroHedgeValuationAdjustmentInDollars_e5946a44-a0a8-45f4-a5f7-ce145296ecc2_terseLabel_en-US" xlink:label="lab_bsac_MacroHedgeValuationAdjustmentInDollars" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Macro-hedge valuation adjustment</link:label>
    <link:label id="lab_bsac_MacroHedgeValuationAdjustmentInDollars_label_en-US" xlink:label="lab_bsac_MacroHedgeValuationAdjustmentInDollars" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Macro Hedge Valuation Adjustment In Dollars</link:label>
    <link:label id="lab_bsac_MacroHedgeValuationAdjustmentInDollars_documentation_en-US" xlink:label="lab_bsac_MacroHedgeValuationAdjustmentInDollars" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Macro-hedge valuation adjustment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MacroHedgeValuationAdjustmentInDollars" xlink:href="bsac-20251231.xsd#bsac_MacroHedgeValuationAdjustmentInDollars"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MacroHedgeValuationAdjustmentInDollars" xlink:to="lab_bsac_MacroHedgeValuationAdjustmentInDollars" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterestAndInflationIncomeAbstract_1f243435-a704-4699-a74b-41ecbac8f58e_terseLabel_en-US" xlink:label="lab_bsac_InterestAndInflationIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest and Inflation Income [Abstract]</link:label>
    <link:label id="lab_bsac_InterestAndInflationIncomeAbstract_label_en-US" xlink:label="lab_bsac_InterestAndInflationIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest and Inflation Income [Abstract]</link:label>
    <link:label id="lab_bsac_InterestAndInflationIncomeAbstract_documentation_en-US" xlink:label="lab_bsac_InterestAndInflationIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest and Inflation Income [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterestAndInflationIncomeAbstract" xlink:href="bsac-20251231.xsd#bsac_InterestAndInflationIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterestAndInflationIncomeAbstract" xlink:to="lab_bsac_InterestAndInflationIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtFinancialInstrumentFVOCIMember_6b3c9b5a-d4a8-4171-8562-ba6bcf1fe889_terseLabel_en-US" xlink:label="lab_bsac_DebtFinancialInstrumentFVOCIMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt financial instrument</link:label>
    <link:label id="lab_bsac_DebtFinancialInstrumentFVOCIMember_label_en-US" xlink:label="lab_bsac_DebtFinancialInstrumentFVOCIMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Financial Instrument FVOCI [Member]</link:label>
    <link:label id="lab_bsac_DebtFinancialInstrumentFVOCIMember_documentation_en-US" xlink:label="lab_bsac_DebtFinancialInstrumentFVOCIMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Financial Instrument FVOCI</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtFinancialInstrumentFVOCIMember" xlink:href="bsac-20251231.xsd#bsac_DebtFinancialInstrumentFVOCIMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtFinancialInstrumentFVOCIMember" xlink:to="lab_bsac_DebtFinancialInstrumentFVOCIMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FeesAndCommissionsAbstract_557856d4-1158-4955-ae2b-c4df87a6b8ea_terseLabel_en-US" xlink:label="lab_bsac_FeesAndCommissionsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fees and Commissions [Abstract]</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsAbstract_label_en-US" xlink:label="lab_bsac_FeesAndCommissionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees and Commissions [Abstract]</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsAbstract_documentation_en-US" xlink:label="lab_bsac_FeesAndCommissionsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fees and Commissions [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FeesAndCommissionsAbstract" xlink:href="bsac-20251231.xsd#bsac_FeesAndCommissionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FeesAndCommissionsAbstract" xlink:to="lab_bsac_FeesAndCommissionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssociatedCompaniesMember_be7357c6-d138-469f-9daf-0370f0ed6cef_terseLabel_en-US" xlink:label="lab_bsac_AssociatedCompaniesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_bsac_AssociatedCompaniesMember_53d6a595-ec32-41e8-877c-0bb7c37f2e0c_verboseLabel_en-US" xlink:label="lab_bsac_AssociatedCompaniesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Associates entities</link:label>
    <link:label id="lab_bsac_AssociatedCompaniesMember_label_en-US" xlink:label="lab_bsac_AssociatedCompaniesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Associated Companies [Member]</link:label>
    <link:label id="lab_bsac_AssociatedCompaniesMember_documentation_en-US" xlink:label="lab_bsac_AssociatedCompaniesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Associated Companies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssociatedCompaniesMember" xlink:href="bsac-20251231.xsd#bsac_AssociatedCompaniesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssociatedCompaniesMember" xlink:to="lab_bsac_AssociatedCompaniesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInTimeDepositsAndOtherTimeLiabilities_13b26344-df46-4428-99de-1e615a24ab77_terseLabel_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInTimeDepositsAndOtherTimeLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Decrease)/increase of time deposits and other time liabilities</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInTimeDepositsAndOtherTimeLiabilities_label_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInTimeDepositsAndOtherTimeLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Decrease Increase In Time Deposits And Other Time Liabilities</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInTimeDepositsAndOtherTimeLiabilities_documentation_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInTimeDepositsAndOtherTimeLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustments for decrease increase in time deposits and other time liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentsForDecreaseIncreaseInTimeDepositsAndOtherTimeLiabilities" xlink:href="bsac-20251231.xsd#bsac_AdjustmentsForDecreaseIncreaseInTimeDepositsAndOtherTimeLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentsForDecreaseIncreaseInTimeDepositsAndOtherTimeLiabilities" xlink:to="lab_bsac_AdjustmentsForDecreaseIncreaseInTimeDepositsAndOtherTimeLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExposureToRateRisk_b8604db5-d6c4-44b5-a123-082c1a7eab5b_terseLabel_en-US" xlink:label="lab_bsac_ExposureToRateRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exposure to rate risk</link:label>
    <link:label id="lab_bsac_ExposureToRateRisk_label_en-US" xlink:label="lab_bsac_ExposureToRateRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exposure To Rate Risk</link:label>
    <link:label id="lab_bsac_ExposureToRateRisk_documentation_en-US" xlink:label="lab_bsac_ExposureToRateRisk" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exposure To Rate Risk</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExposureToRateRisk" xlink:href="bsac-20251231.xsd#bsac_ExposureToRateRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExposureToRateRisk" xlink:to="lab_bsac_ExposureToRateRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfActivityRegardingProvisionsTable_1f050371-af0c-4253-82ee-c9f0a810aea2_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfActivityRegardingProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Activity Regarding Provisions [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfActivityRegardingProvisionsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfActivityRegardingProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Activity Regarding Provisions [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfActivityRegardingProvisionsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfActivityRegardingProvisionsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Activity Regarding Provisions [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfActivityRegardingProvisionsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfActivityRegardingProvisionsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfActivityRegardingProvisionsTable" xlink:to="lab_bsac_ScheduleOfActivityRegardingProvisionsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfDetailedInformationAboutLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesExplanatoryTableTextBlock_0858e2d3-09de-43ea-bab2-0f768a83234d_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfDetailedInformationAboutLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loans and Accounts Receivable as Well as Contingent Loans that Correspond to Related Entities</link:label>
    <link:label id="lab_bsac_ScheduleOfDetailedInformationAboutLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfDetailedInformationAboutLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Detailed Information About Loans And Accounts Receivable As Well As Contingent Loans That Correspond To Related Entities Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfDetailedInformationAboutLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfDetailedInformationAboutLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Detailed Information About Loans And Accounts Receivable As Well As Contingent Loans That Correspond To Related Entities Explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfDetailedInformationAboutLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfDetailedInformationAboutLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfDetailedInformationAboutLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfDetailedInformationAboutLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfIncomeAndExpensesTableTextBlock_4b4e030b-c28a-440c-aa10-1c5667e91ef2_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfIncomeAndExpensesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Income and Expenses</link:label>
    <link:label id="lab_bsac_ScheduleOfIncomeAndExpensesTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfIncomeAndExpensesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Income And Expenses [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfIncomeAndExpensesTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfIncomeAndExpensesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Income And Expenses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfIncomeAndExpensesTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfIncomeAndExpensesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfIncomeAndExpensesTableTextBlock" xlink:to="lab_bsac_ScheduleOfIncomeAndExpensesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome_7ca957ae-ea16-4017-8891-f14439b6cfb5_terseLabel_en-US" xlink:label="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers to stage 1</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease At Fair Value Through Other Comprehensive Income</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transfers to stage 1.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome" xlink:href="bsac-20251231.xsd#bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_bsac_IncreaseDecreaseAtFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherOperatingExpenseTotal_c9ed47fe-258d-4e08-88ec-f17541a70462_negatedTotalLabel_en-US" xlink:label="lab_bsac_OtherOperatingExpenseTotal" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_OtherOperatingExpenseTotal_label_en-US" xlink:label="lab_bsac_OtherOperatingExpenseTotal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Operating Expense Total</link:label>
    <link:label id="lab_bsac_OtherOperatingExpenseTotal_documentation_en-US" xlink:label="lab_bsac_OtherOperatingExpenseTotal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other operating expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherOperatingExpenseTotal" xlink:href="bsac-20251231.xsd#bsac_OtherOperatingExpenseTotal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherOperatingExpenseTotal" xlink:to="lab_bsac_OtherOperatingExpenseTotal" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DepositsInDomesticBanks_39ca2d54-22f0-4fc5-82ba-aebbb5cd48d8_terseLabel_en-US" xlink:label="lab_bsac_DepositsInDomesticBanks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits in local banks</link:label>
    <link:label id="lab_bsac_DepositsInDomesticBanks_label_en-US" xlink:label="lab_bsac_DepositsInDomesticBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits In Domestic Banks</link:label>
    <link:label id="lab_bsac_DepositsInDomesticBanks_documentation_en-US" xlink:label="lab_bsac_DepositsInDomesticBanks" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of deposits in domestic banks.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DepositsInDomesticBanks" xlink:href="bsac-20251231.xsd#bsac_DepositsInDomesticBanks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DepositsInDomesticBanks" xlink:to="lab_bsac_DepositsInDomesticBanks" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SubordinatedBondsImputedAsTier2Capital_62593889-8132-4fba-9488-43384d8a03f3_terseLabel_en-US" xlink:label="lab_bsac_SubordinatedBondsImputedAsTier2Capital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subordinated bonds imputed as Tier 2 capital (T2)</link:label>
    <link:label id="lab_bsac_SubordinatedBondsImputedAsTier2Capital_label_en-US" xlink:label="lab_bsac_SubordinatedBondsImputedAsTier2Capital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subordinated Bonds Imputed As Tier2 Capital</link:label>
    <link:label id="lab_bsac_SubordinatedBondsImputedAsTier2Capital_documentation_en-US" xlink:label="lab_bsac_SubordinatedBondsImputedAsTier2Capital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of subordinated bonds imputed as Tier 2 capital.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubordinatedBondsImputedAsTier2Capital" xlink:href="bsac-20251231.xsd#bsac_SubordinatedBondsImputedAsTier2Capital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubordinatedBondsImputedAsTier2Capital" xlink:to="lab_bsac_SubordinatedBondsImputedAsTier2Capital" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncurredByInactivePersonnel_696bcb35-e619-4eb1-afe5-45cbf6cec061_terseLabel_en-US" xlink:label="lab_bsac_IncurredByInactivePersonnel" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Incurred by inactive personnel</link:label>
    <link:label id="lab_bsac_IncurredByInactivePersonnel_label_en-US" xlink:label="lab_bsac_IncurredByInactivePersonnel" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Incurred By Inactive Personnel</link:label>
    <link:label id="lab_bsac_IncurredByInactivePersonnel_documentation_en-US" xlink:label="lab_bsac_IncurredByInactivePersonnel" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of commitments for defined-benefit plans incurred by inactive personnel.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncurredByInactivePersonnel" xlink:href="bsac-20251231.xsd#bsac_IncurredByInactivePersonnel"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncurredByInactivePersonnel" xlink:to="lab_bsac_IncurredByInactivePersonnel" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_54a334b2-dcb2-49bb-a982-ab85b844f49a_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [line items]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityLineItems_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfChangesInEquityLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="lab_ifrs-full_StatementOfChangesInEquityLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfCashFlowsAbstract_5dbd66db-22c7-49d3-93bb-f0568034319b_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of cash flows [abstract]</link:label>
    <link:label id="lab_ifrs-full_StatementOfCashFlowsAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of cash flows [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfCashFlowsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfCashFlowsAbstract" xlink:to="lab_ifrs-full_StatementOfCashFlowsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInterestIncomeExplanatory_c168d60d-fd75-46e0-b3de-02f336f85580_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInterestIncomeExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Income from Interest</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInterestIncomeExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInterestIncomeExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of interest income [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInterestIncomeExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInterestIncomeExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInterestIncomeExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInterestIncomeExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInterestsInUnconsolidatedStructuredEntitiesExplanatory_068e0ba6-3b61-450d-a002-84da13576447_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInterestsInUnconsolidatedStructuredEntitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Activity with Respect to Investments in Other Companies</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInterestsInUnconsolidatedStructuredEntitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInterestsInUnconsolidatedStructuredEntitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of interests in unconsolidated structured entities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInterestsInUnconsolidatedStructuredEntitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInterestsInUnconsolidatedStructuredEntitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInterestsInUnconsolidatedStructuredEntitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInterestsInUnconsolidatedStructuredEntitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NumberOfDirectors_3ea9a246-4976-4d4d-8b3e-59c8a2699288_terseLabel_en-US" xlink:label="lab_bsac_NumberOfDirectors" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of directors</link:label>
    <link:label id="lab_bsac_NumberOfDirectors_label_en-US" xlink:label="lab_bsac_NumberOfDirectors" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Directors</link:label>
    <link:label id="lab_bsac_NumberOfDirectors_documentation_en-US" xlink:label="lab_bsac_NumberOfDirectors" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of directors.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NumberOfDirectors" xlink:href="bsac-20251231.xsd#bsac_NumberOfDirectors"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NumberOfDirectors" xlink:to="lab_bsac_NumberOfDirectors" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherFeeAndCommissionExpenses_7ad4d8e8-3d21-43cf-8b00-0cc9c371625c_negatedTerseLabel_en-US" xlink:label="lab_bsac_OtherFeeAndCommissionExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other fees</link:label>
    <link:label id="lab_bsac_OtherFeeAndCommissionExpenses_label_en-US" xlink:label="lab_bsac_OtherFeeAndCommissionExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Fee And Commission Expenses</link:label>
    <link:label id="lab_bsac_OtherFeeAndCommissionExpenses_documentation_en-US" xlink:label="lab_bsac_OtherFeeAndCommissionExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of fee and commission expense that the entity does not separately disclose in the same statement or note. [Refer: Fee and commission expense]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherFeeAndCommissionExpenses" xlink:href="bsac-20251231.xsd#bsac_OtherFeeAndCommissionExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherFeeAndCommissionExpenses" xlink:to="lab_bsac_OtherFeeAndCommissionExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MaximumLowMember_44d1686a-d2d3-48e0-a527-badbcd2dbf0e_terseLabel_en-US" xlink:label="lab_bsac_MaximumLowMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Low</link:label>
    <link:label id="lab_bsac_MaximumLowMember_label_en-US" xlink:label="lab_bsac_MaximumLowMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Low [Member]</link:label>
    <link:label id="lab_bsac_MaximumLowMember_documentation_en-US" xlink:label="lab_bsac_MaximumLowMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum Low</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MaximumLowMember" xlink:href="bsac-20251231.xsd#bsac_MaximumLowMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MaximumLowMember" xlink:to="lab_bsac_MaximumLowMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncome_3c852278-80c4-4021-bf27-4c92f9574d46_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current tax</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxExpenseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxExpenseIncome" xlink:to="lab_ifrs-full_CurrentTaxExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtFinancialInstruments_6c51fd4a-e739-4f0d-9231-5bf949b4b909_terseLabel_en-US" xlink:label="lab_bsac_DebtFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt financial instruments</link:label>
    <link:label id="lab_bsac_DebtFinancialInstruments_label_en-US" xlink:label="lab_bsac_DebtFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Financial Instruments</link:label>
    <link:label id="lab_bsac_DebtFinancialInstruments_documentation_en-US" xlink:label="lab_bsac_DebtFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of debt financial instruments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtFinancialInstruments" xlink:href="bsac-20251231.xsd#bsac_DebtFinancialInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtFinancialInstruments" xlink:to="lab_bsac_DebtFinancialInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherAssetsoneAbstract_6e4bf61f-b8d1-4f4b-9e69-a39da27440b6_terseLabel_en-US" xlink:label="lab_bsac_OtherAssetsoneAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Assets [Abstract]</link:label>
    <link:label id="lab_bsac_OtherAssetsoneAbstract_label_en-US" xlink:label="lab_bsac_OtherAssetsoneAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets [Abstract]</link:label>
    <link:label id="lab_bsac_OtherAssetsoneAbstract_documentation_en-US" xlink:label="lab_bsac_OtherAssetsoneAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Assets [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherAssetsoneAbstract" xlink:href="bsac-20251231.xsd#bsac_OtherAssetsoneAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherAssetsoneAbstract" xlink:to="lab_bsac_OtherAssetsoneAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLTable_8f255929-c58d-41b9-80d3-162e00d060fb_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Amortized Value and the Corresponding ECL [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLTable_label_en-US" xlink:label="lab_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Amortized Value and the Corresponding ECL [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Amortized Value and the Corresponding ECL [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLTable" xlink:to="lab_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RecoveryOfLoansPreviouslyChargedOff_b2c3fe6c-cdcc-499b-87cc-247108ffb763_negatedLabel_en-US" xlink:label="lab_bsac_RecoveryOfLoansPreviouslyChargedOff" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Recovery of loans previously charged-off</link:label>
    <link:label id="lab_bsac_RecoveryOfLoansPreviouslyChargedOff_label_en-US" xlink:label="lab_bsac_RecoveryOfLoansPreviouslyChargedOff" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recovery Of Loans Previously Charged Off</link:label>
    <link:label id="lab_bsac_RecoveryOfLoansPreviouslyChargedOff_documentation_en-US" xlink:label="lab_bsac_RecoveryOfLoansPreviouslyChargedOff" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Recovery Of Loans Previously Charged Off</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RecoveryOfLoansPreviouslyChargedOff" xlink:href="bsac-20251231.xsd#bsac_RecoveryOfLoansPreviouslyChargedOff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RecoveryOfLoansPreviouslyChargedOff" xlink:to="lab_bsac_RecoveryOfLoansPreviouslyChargedOff" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_ContactPersonnelEmailAddress_ca6d35a6-e6a6-4d44-8408-2ea122518aae_terseLabel_en-US" xlink:label="lab_dei_ContactPersonnelEmailAddress" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contact Personnel Email Address</link:label>
    <link:label id="lab_dei_ContactPersonnelEmailAddress_label_en-US" xlink:label="lab_dei_ContactPersonnelEmailAddress" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contact Personnel Email Address</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_ContactPersonnelEmailAddress" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_ContactPersonnelEmailAddress"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_ContactPersonnelEmailAddress" xlink:to="lab_dei_ContactPersonnelEmailAddress" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SecuritiesHeldInCustodyDepositedInOtherEntity_c3e635a4-67fb-44c7-a4e6-2c2dfaec1868_terseLabel_en-US" xlink:label="lab_bsac_SecuritiesHeldInCustodyDepositedInOtherEntity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securities held in custody deposited in other entity</link:label>
    <link:label id="lab_bsac_SecuritiesHeldInCustodyDepositedInOtherEntity_label_en-US" xlink:label="lab_bsac_SecuritiesHeldInCustodyDepositedInOtherEntity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Securities Held In Custody Deposited In Other Entity</link:label>
    <link:label id="lab_bsac_SecuritiesHeldInCustodyDepositedInOtherEntity_documentation_en-US" xlink:label="lab_bsac_SecuritiesHeldInCustodyDepositedInOtherEntity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about securities held in custody deposited in other entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SecuritiesHeldInCustodyDepositedInOtherEntity" xlink:href="bsac-20251231.xsd#bsac_SecuritiesHeldInCustodyDepositedInOtherEntity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SecuritiesHeldInCustodyDepositedInOtherEntity" xlink:to="lab_bsac_SecuritiesHeldInCustodyDepositedInOtherEntity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TaxRateEffectFromChangeInTaxRate_fb09c3a8-770d-48b6-b921-e9451d2e3286_terseLabel_en-US" xlink:label="lab_ifrs-full_TaxRateEffectFromChangeInTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax calculated over profit before tax</link:label>
    <link:label id="lab_ifrs-full_TaxRateEffectFromChangeInTaxRate_label_en-US" xlink:label="lab_ifrs-full_TaxRateEffectFromChangeInTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax rate effect from change in tax rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TaxRateEffectFromChangeInTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TaxRateEffectFromChangeInTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TaxRateEffectFromChangeInTaxRate" xlink:to="lab_ifrs-full_TaxRateEffectFromChangeInTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AquanimaChileS.A.ChileGroupProcurementServicesMonthlyMember_019b9f64-bbc0-7338-9245-0c60f69f36e6_terseLabel_en-US" xlink:label="lab_bsac_AquanimaChileS.A.ChileGroupProcurementServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aquanima Chile S.A.| Chile| Group| Procurement Services| Monthly</link:label>
    <link:label id="lab_bsac_AquanimaChileS.A.ChileGroupProcurementServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_AquanimaChileS.A.ChileGroupProcurementServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aquanima Chile S.A.| Chile| Group| Procurement Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_AquanimaChileS.A.ChileGroupProcurementServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_AquanimaChileS.A.ChileGroupProcurementServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aquanima Chile S.A.| Chile| Group| Procurement Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AquanimaChileS.A.ChileGroupProcurementServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_AquanimaChileS.A.ChileGroupProcurementServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AquanimaChileS.A.ChileGroupProcurementServicesMonthlyMember" xlink:to="lab_bsac_AquanimaChileS.A.ChileGroupProcurementServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SegmentsDomain_64aef1b9-f79f-474a-89a9-d828e02bec82_terseLabel_en-US" xlink:label="lab_ifrs-full_SegmentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [domain]</link:label>
    <link:label id="lab_ifrs-full_SegmentsDomain_label_en-US" xlink:label="lab_ifrs-full_SegmentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SegmentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SegmentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SegmentsDomain" xlink:to="lab_ifrs-full_SegmentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialDerivativeContractForHedgeAccounting_91f144bd-c05e-495e-8344-a5d743faccd7_terseLabel_en-US" xlink:label="lab_bsac_FinancialDerivativeContractForHedgeAccounting" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial derivative contracts for hedge accounting</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractForHedgeAccounting_label_en-US" xlink:label="lab_bsac_FinancialDerivativeContractForHedgeAccounting" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Derivative Contract For Hedge Accounting</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractForHedgeAccounting_documentation_en-US" xlink:label="lab_bsac_FinancialDerivativeContractForHedgeAccounting" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of financial derivative contracts for hedge accounting.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialDerivativeContractForHedgeAccounting" xlink:href="bsac-20251231.xsd#bsac_FinancialDerivativeContractForHedgeAccounting"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialDerivativeContractForHedgeAccounting" xlink:to="lab_bsac_FinancialDerivativeContractForHedgeAccounting" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleTable_019c5389-e9db-71b1-aa7b-b68040f23063_terseLabel_en-US" xlink:label="lab_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets And Liabilities Classified As Held For Sale [Table]</link:label>
    <link:label id="lab_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleTable_label_en-US" xlink:label="lab_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets And Liabilities Classified As Held For Sale [Table]</link:label>
    <link:label id="lab_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleTable_documentation_en-US" xlink:label="lab_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Assets And Liabilities Classified As Held For Sale</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleTable" xlink:href="bsac-20251231.xsd#bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleTable" xlink:to="lab_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChemicalsAndPetroleumDerivativesMember_2dab0d49-efff-47bd-b371-9947e2959e20_terseLabel_en-US" xlink:label="lab_bsac_ChemicalsAndPetroleumDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chemicals and petroleum derivatives</link:label>
    <link:label id="lab_bsac_ChemicalsAndPetroleumDerivativesMember_label_en-US" xlink:label="lab_bsac_ChemicalsAndPetroleumDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chemicals And Petroleum Derivatives [Member]</link:label>
    <link:label id="lab_bsac_ChemicalsAndPetroleumDerivativesMember_documentation_en-US" xlink:label="lab_bsac_ChemicalsAndPetroleumDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chemicals And Petroleum Derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChemicalsAndPetroleumDerivativesMember" xlink:href="bsac-20251231.xsd#bsac_ChemicalsAndPetroleumDerivativesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChemicalsAndPetroleumDerivativesMember" xlink:to="lab_bsac_ChemicalsAndPetroleumDerivativesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DueWithinOneYearMember_ecb11ca9-9405-4f6f-a32e-d33129079c7e_terseLabel_en-US" xlink:label="lab_bsac_DueWithinOneYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due within 1 year</link:label>
    <link:label id="lab_bsac_DueWithinOneYearMember_label_en-US" xlink:label="lab_bsac_DueWithinOneYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due Within One Year [Member]</link:label>
    <link:label id="lab_bsac_DueWithinOneYearMember_documentation_en-US" xlink:label="lab_bsac_DueWithinOneYearMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Due Within One Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DueWithinOneYearMember" xlink:href="bsac-20251231.xsd#bsac_DueWithinOneYearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DueWithinOneYearMember" xlink:to="lab_bsac_DueWithinOneYearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory_344eca96-1847-4842-a6c0-ce42ea2039f0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Allowance</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of allowance for credit losses [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfAllowanceForCreditLossesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterbankBorrowing_9f33deab-a34c-49ab-a89f-b5c9c4ba15c7_terseLabel_en-US" xlink:label="lab_bsac_InterbankBorrowing" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interbank borrowing</link:label>
    <link:label id="lab_bsac_InterbankBorrowing_label_en-US" xlink:label="lab_bsac_InterbankBorrowing" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interbank Borrowing</link:label>
    <link:label id="lab_bsac_InterbankBorrowing_documentation_en-US" xlink:label="lab_bsac_InterbankBorrowing" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interbank Borrowing</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterbankBorrowing" xlink:href="bsac-20251231.xsd#bsac_InterbankBorrowing"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterbankBorrowing" xlink:to="lab_bsac_InterbankBorrowing" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MismatchAffectedByLimits_43a054cf-a33b-4653-8105-fcd8abc9a79c_terseLabel_en-US" xlink:label="lab_bsac_MismatchAffectedByLimits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mismatch affected by limits</link:label>
    <link:label id="lab_bsac_MismatchAffectedByLimits_label_en-US" xlink:label="lab_bsac_MismatchAffectedByLimits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mismatch Affected By Limits</link:label>
    <link:label id="lab_bsac_MismatchAffectedByLimits_documentation_en-US" xlink:label="lab_bsac_MismatchAffectedByLimits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of mismatch affected by limits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MismatchAffectedByLimits" xlink:href="bsac-20251231.xsd#bsac_MismatchAffectedByLimits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MismatchAffectedByLimits" xlink:to="lab_bsac_MismatchAffectedByLimits" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialLiabilitiesAtAmortisedCostAbstract_29be669d-0f1a-41f6-97af-df5931932508_terseLabel_en-US" xlink:label="lab_bsac_FinancialLiabilitiesAtAmortisedCostAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Liabilities At Amortised Cost Abstract</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesAtAmortisedCostAbstract_label_en-US" xlink:label="lab_bsac_FinancialLiabilitiesAtAmortisedCostAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Liabilities At Amortised Cost [Abstract]</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesAtAmortisedCostAbstract_documentation_en-US" xlink:label="lab_bsac_FinancialLiabilitiesAtAmortisedCostAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Liabilities At Amortised Cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialLiabilitiesAtAmortisedCostAbstract" xlink:href="bsac-20251231.xsd#bsac_FinancialLiabilitiesAtAmortisedCostAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialLiabilitiesAtAmortisedCostAbstract" xlink:to="lab_bsac_FinancialLiabilitiesAtAmortisedCostAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ElectricityGasAndWterMember_d04de6fa-559a-41a1-874e-b9fc860c764d_terseLabel_en-US" xlink:label="lab_bsac_ElectricityGasAndWterMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Electricity, gas, and w&#225;ter</link:label>
    <link:label id="lab_bsac_ElectricityGasAndWterMember_label_en-US" xlink:label="lab_bsac_ElectricityGasAndWterMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Electricity Gas And Wter [Member]</link:label>
    <link:label id="lab_bsac_ElectricityGasAndWterMember_documentation_en-US" xlink:label="lab_bsac_ElectricityGasAndWterMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Electricity Gas And Wter</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ElectricityGasAndWterMember" xlink:href="bsac-20251231.xsd#bsac_ElectricityGasAndWterMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ElectricityGasAndWterMember" xlink:to="lab_bsac_ElectricityGasAndWterMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentForRedemptionOfLettersOfCredit_32bf64f8-d7b5-49a6-8af4-f34dcc55dca2_negatedLabel_en-US" xlink:label="lab_bsac_AdjustmentForRedemptionOfLettersOfCredit" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Redemption of letters of credit</link:label>
    <link:label id="lab_bsac_AdjustmentForRedemptionOfLettersOfCredit_label_en-US" xlink:label="lab_bsac_AdjustmentForRedemptionOfLettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment For Redemption Of Letters Of Credit</link:label>
    <link:label id="lab_bsac_AdjustmentForRedemptionOfLettersOfCredit_documentation_en-US" xlink:label="lab_bsac_AdjustmentForRedemptionOfLettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustment for redemption of letters of credit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentForRedemptionOfLettersOfCredit" xlink:href="bsac-20251231.xsd#bsac_AdjustmentForRedemptionOfLettersOfCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentForRedemptionOfLettersOfCredit" xlink:to="lab_bsac_AdjustmentForRedemptionOfLettersOfCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherCommercialOtherLoansRate_13f060af-4d2b-4af4-85e5-2b906f60d394_terseLabel_en-US" xlink:label="lab_bsac_OtherCommercialOtherLoansRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other commercial, Other loans</link:label>
    <link:label id="lab_bsac_OtherCommercialOtherLoansRate_label_en-US" xlink:label="lab_bsac_OtherCommercialOtherLoansRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commercial Other Loans Rate</link:label>
    <link:label id="lab_bsac_OtherCommercialOtherLoansRate_documentation_en-US" xlink:label="lab_bsac_OtherCommercialOtherLoansRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rate of other commercial, other loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherCommercialOtherLoansRate" xlink:href="bsac-20251231.xsd#bsac_OtherCommercialOtherLoansRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherCommercialOtherLoansRate" xlink:to="lab_bsac_OtherCommercialOtherLoansRate" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DataProcessingCosts_8b8b965a-5b52-4c88-af51-372ccd305042_negatedTerseLabel_en-US" xlink:label="lab_bsac_DataProcessingCosts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Data processing</link:label>
    <link:label id="lab_bsac_DataProcessingCosts_label_en-US" xlink:label="lab_bsac_DataProcessingCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Data Processing Costs</link:label>
    <link:label id="lab_bsac_DataProcessingCosts_documentation_en-US" xlink:label="lab_bsac_DataProcessingCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Data Processing Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DataProcessingCosts" xlink:href="bsac-20251231.xsd#bsac_DataProcessingCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DataProcessingCosts" xlink:to="lab_bsac_DataProcessingCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofGrossBalanceLineItems_c9469489-20dd-40c6-8163-f0fe03e5aa0f_terseLabel_en-US" xlink:label="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofGrossBalanceLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Gross Balance [Line Items]</link:label>
    <link:label id="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofGrossBalanceLineItems_label_en-US" xlink:label="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofGrossBalanceLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Gross Balance [Line Items]</link:label>
    <link:label id="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofGrossBalanceLineItems_documentation_en-US" xlink:label="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofGrossBalanceLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Gross Balance [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofGrossBalanceLineItems" xlink:href="bsac-20251231.xsd#bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofGrossBalanceLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofGrossBalanceLineItems" xlink:to="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofGrossBalanceLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNoncontrollingInterestsTableTextBlock_9363d22b-1c6c-4b16-847a-d461e173a3bc_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNoncontrollingInterestsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Information of the Subsidiaries Included in the Consolidation of the Bank that Possess Non-Controlling Interests</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNoncontrollingInterestsTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNoncontrollingInterestsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Financial Information Of The Subsidiaries Included In The Consolidation Of The Bank That Possess Noncontrolling Interests [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNoncontrollingInterestsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNoncontrollingInterestsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about financial information of the subsidiaries included in the consolidation of the Bank that possess non-controlling interests.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNoncontrollingInterestsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNoncontrollingInterestsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNoncontrollingInterestsTableTextBlock" xlink:to="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNoncontrollingInterestsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_c33b0e2b-5d4d-44f0-855d-23616dce068e_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total deferred tax liabilities</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_669bef8c-4bd9-4780-87e9-791615a7d8a0_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax liabilities before off-setting</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxLiabilities_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxLiabilities" xlink:to="lab_ifrs-full_DeferredTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsTableTextBlock_03f3b7fe-1f61-48b4-a37f-ebd3a37d861b_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Obligations Related to Instruments Sold under Repurchase Agreements</link:label>
    <link:label id="lab_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Obligations Related To Instruments Sold Under Repurchase Agreements [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Obligations Related To Instruments Sold Under Repurchase Agreements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsTableTextBlock" xlink:to="lab_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HedgedOfInflationAdjustmentsMember_4bc9a2a2-ab8c-40cc-ad05-cc48aa9d0c86_terseLabel_en-US" xlink:label="lab_bsac_HedgedOfInflationAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inflation adjustments</link:label>
    <link:label id="lab_bsac_HedgedOfInflationAdjustmentsMember_label_en-US" xlink:label="lab_bsac_HedgedOfInflationAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedged Of Inflation Adjustments [Member]</link:label>
    <link:label id="lab_bsac_HedgedOfInflationAdjustmentsMember_documentation_en-US" xlink:label="lab_bsac_HedgedOfInflationAdjustmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about hedged of inflation adjustments member.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HedgedOfInflationAdjustmentsMember" xlink:href="bsac-20251231.xsd#bsac_HedgedOfInflationAdjustmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HedgedOfInflationAdjustmentsMember" xlink:to="lab_bsac_HedgedOfInflationAdjustmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ThirdPartyOperationsOfAssetsSecuritiesHolds_7690decb-4766-4fbb-aecc-5f6ac4337f5b_terseLabel_en-US" xlink:label="lab_bsac_ThirdPartyOperationsOfAssetsSecuritiesHolds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets from third parties managed by the Bank and its affiliates</link:label>
    <link:label id="lab_bsac_ThirdPartyOperationsOfAssetsSecuritiesHolds_label_en-US" xlink:label="lab_bsac_ThirdPartyOperationsOfAssetsSecuritiesHolds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Third Party Operations Of Assets Securities Holds</link:label>
    <link:label id="lab_bsac_ThirdPartyOperationsOfAssetsSecuritiesHolds_documentation_en-US" xlink:label="lab_bsac_ThirdPartyOperationsOfAssetsSecuritiesHolds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about third party operations of assets securities holds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ThirdPartyOperationsOfAssetsSecuritiesHolds" xlink:href="bsac-20251231.xsd#bsac_ThirdPartyOperationsOfAssetsSecuritiesHolds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ThirdPartyOperationsOfAssetsSecuritiesHolds" xlink:to="lab_bsac_ThirdPartyOperationsOfAssetsSecuritiesHolds" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentReceivables_648703f2-4402-45e5-84eb-9649e26451b9_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherCurrentReceivables_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other current receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherCurrentReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherCurrentReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherCurrentReceivables" xlink:to="lab_ifrs-full_TradeAndOtherCurrentReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentForSeniorBondIssuances_687ae6e3-fcad-4301-99c6-d536c4170b73_terseLabel_en-US" xlink:label="lab_bsac_AdjustmentForSeniorBondIssuances" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior bond issuances</link:label>
    <link:label id="lab_bsac_AdjustmentForSeniorBondIssuances_label_en-US" xlink:label="lab_bsac_AdjustmentForSeniorBondIssuances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment For Senior Bond Issuances</link:label>
    <link:label id="lab_bsac_AdjustmentForSeniorBondIssuances_documentation_en-US" xlink:label="lab_bsac_AdjustmentForSeniorBondIssuances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustment for senior bond issuances.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentForSeniorBondIssuances" xlink:href="bsac-20251231.xsd#bsac_AdjustmentForSeniorBondIssuances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentForSeniorBondIssuances" xlink:to="lab_bsac_AdjustmentForSeniorBondIssuances" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutPlanAssociatedExpensesExplanatoryTableTextBlock_50bf9f6b-819e-4b2f-9192-f590899cf3dc_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutPlanAssociatedExpensesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Plan Associated Expenses</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutPlanAssociatedExpensesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutPlanAssociatedExpensesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Plan Associated Expenses Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutPlanAssociatedExpensesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutPlanAssociatedExpensesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about plan associated expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutPlanAssociatedExpensesExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutPlanAssociatedExpensesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutPlanAssociatedExpensesExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutPlanAssociatedExpensesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ForActivePersonnel_e373f049-6d86-4c9d-9c84-afb93aaa31d0_terseLabel_en-US" xlink:label="lab_bsac_ForActivePersonnel" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">For active personnel</link:label>
    <link:label id="lab_bsac_ForActivePersonnel_label_en-US" xlink:label="lab_bsac_ForActivePersonnel" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">For Active Personnel</link:label>
    <link:label id="lab_bsac_ForActivePersonnel_documentation_en-US" xlink:label="lab_bsac_ForActivePersonnel" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of commitments for defined-benefit plans for active personnel.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ForActivePersonnel" xlink:href="bsac-20251231.xsd#bsac_ForActivePersonnel"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ForActivePersonnel" xlink:to="lab_bsac_ForActivePersonnel" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfProbabilitiesLineItems_a08490b5-3079-452d-8f2f-6060c1010f39_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfProbabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Probabilities [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfProbabilitiesLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfProbabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Probabilities [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfProbabilitiesLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfProbabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Probabilities [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfProbabilitiesLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfProbabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfProbabilitiesLineItems" xlink:to="lab_bsac_ScheduleOfProbabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialDerivativeContractsAmount_416caea5-c603-4050-a692-2abf2a7f97c6_terseLabel_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Financial derivative contracts</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsAmount_label_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts Amount</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsAmount_documentation_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial derivative contracts amount.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialDerivativeContractsAmount" xlink:href="bsac-20251231.xsd#bsac_FinancialDerivativeContractsAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialDerivativeContractsAmount" xlink:to="lab_bsac_FinancialDerivativeContractsAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_C1Member_19fafd7b-6c35-40ff-a7ef-90ae5410a91c_terseLabel_en-US" xlink:label="lab_bsac_C1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">C1</link:label>
    <link:label id="lab_bsac_C1Member_label_en-US" xlink:label="lab_bsac_C1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">C1 [Member]</link:label>
    <link:label id="lab_bsac_C1Member_documentation_en-US" xlink:label="lab_bsac_C1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">C1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_C1Member" xlink:href="bsac-20251231.xsd#bsac_C1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_C1Member" xlink:to="lab_bsac_C1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EarningsPerShareAttributableToShareholdersOfTheBankAbstract_c0025db3-dc15-4784-826d-472d251a9ec5_terseLabel_en-US" xlink:label="lab_bsac_EarningsPerShareAttributableToShareholdersOfTheBankAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share attributable to shareholders of the Bank:</link:label>
    <link:label id="lab_bsac_EarningsPerShareAttributableToShareholdersOfTheBankAbstract_label_en-US" xlink:label="lab_bsac_EarningsPerShareAttributableToShareholdersOfTheBankAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share Attributable To Shareholders Of The Bank Abstract</link:label>
    <link:label id="lab_bsac_EarningsPerShareAttributableToShareholdersOfTheBankAbstract_documentation_en-US" xlink:label="lab_bsac_EarningsPerShareAttributableToShareholdersOfTheBankAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Earnings Per Share Attributable To Shareholders Of The Bank Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EarningsPerShareAttributableToShareholdersOfTheBankAbstract" xlink:href="bsac-20251231.xsd#bsac_EarningsPerShareAttributableToShareholdersOfTheBankAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EarningsPerShareAttributableToShareholdersOfTheBankAbstract" xlink:to="lab_bsac_EarningsPerShareAttributableToShareholdersOfTheBankAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransactionsWithOtherForeignEntities_019bf94b-54b5-7acc-8564-14c905da6b7c_terseLabel_en-US" xlink:label="lab_bsac_TransactionsWithOtherForeignEntities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactions with other foreign entities</link:label>
    <link:label id="lab_bsac_TransactionsWithOtherForeignEntities_label_en-US" xlink:label="lab_bsac_TransactionsWithOtherForeignEntities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transactions With Other Foreign Entities</link:label>
    <link:label id="lab_bsac_TransactionsWithOtherForeignEntities_documentation_en-US" xlink:label="lab_bsac_TransactionsWithOtherForeignEntities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transactions With Other Foreign Entities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransactionsWithOtherForeignEntities" xlink:href="bsac-20251231.xsd#bsac_TransactionsWithOtherForeignEntities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransactionsWithOtherForeignEntities" xlink:to="lab_bsac_TransactionsWithOtherForeignEntities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ContingenciesandCommitmentsDetailsLineItems_1b48bdd2-58ba-43f4-b4ab-3f3a87c05ddc_terseLabel_en-US" xlink:label="lab_bsac_ContingenciesandCommitmentsDetailsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingencies and Commitments [Line Items]</link:label>
    <link:label id="lab_bsac_ContingenciesandCommitmentsDetailsLineItems_label_en-US" xlink:label="lab_bsac_ContingenciesandCommitmentsDetailsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingencies and Commitments [Line Items]</link:label>
    <link:label id="lab_bsac_ContingenciesandCommitmentsDetailsLineItems_documentation_en-US" xlink:label="lab_bsac_ContingenciesandCommitmentsDetailsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingencies and Commitments [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ContingenciesandCommitmentsDetailsLineItems" xlink:href="bsac-20251231.xsd#bsac_ContingenciesandCommitmentsDetailsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ContingenciesandCommitmentsDetailsLineItems" xlink:to="lab_bsac_ContingenciesandCommitmentsDetailsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CollectiveMarksOneMember_b82a76f7-57d9-4225-b7d9-4627a5778fdc_verboseLabel_en-US" xlink:label="lab_bsac_CollectiveMarksOneMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Collective Marks</link:label>
    <link:label id="lab_bsac_CollectiveMarksOneMember_label_en-US" xlink:label="lab_bsac_CollectiveMarksOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collective Marks One [Member]</link:label>
    <link:label id="lab_bsac_CollectiveMarksOneMember_documentation_en-US" xlink:label="lab_bsac_CollectiveMarksOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Collective Marks One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CollectiveMarksOneMember" xlink:href="bsac-20251231.xsd#bsac_CollectiveMarksOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CollectiveMarksOneMember" xlink:to="lab_bsac_CollectiveMarksOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IssuesOfEquity_37c009a2-d6d0-485d-b80d-03c9d01a0bc2_terseLabel_en-US" xlink:label="lab_bsac_IssuesOfEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in capital (in Pesos)</link:label>
    <link:label id="lab_bsac_IssuesOfEquity_label_en-US" xlink:label="lab_bsac_IssuesOfEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issues Of Equity</link:label>
    <link:label id="lab_bsac_IssuesOfEquity_documentation_en-US" xlink:label="lab_bsac_IssuesOfEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase in equity through the issue of equity instruments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IssuesOfEquity" xlink:href="bsac-20251231.xsd#bsac_IssuesOfEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IssuesOfEquity" xlink:to="lab_bsac_IssuesOfEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RedbancSAMember_b896cb03-d7e1-4f90-a6cb-e08ce247a72f_terseLabel_en-US" xlink:label="lab_bsac_RedbancSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redbanc S.A.</link:label>
    <link:label id="lab_bsac_RedbancSAMember_label_en-US" xlink:label="lab_bsac_RedbancSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Redbanc SA [Member]</link:label>
    <link:label id="lab_bsac_RedbancSAMember_documentation_en-US" xlink:label="lab_bsac_RedbancSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Redbanc SA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RedbancSAMember" xlink:href="bsac-20251231.xsd#bsac_RedbancSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RedbancSAMember" xlink:to="lab_bsac_RedbancSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestRateSwapContractMember_b5085be9-90f9-4ff0-a36d-19ca44d039a7_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestRateSwapContractMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate swaps</link:label>
    <link:label id="lab_ifrs-full_InterestRateSwapContractMember_label_en-US" xlink:label="lab_ifrs-full_InterestRateSwapContractMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest rate swap contract [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestRateSwapContractMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestRateSwapContractMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRateSwapContractMember" xlink:to="lab_ifrs-full_InterestRateSwapContractMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ContingentLoanMember_bbdd444c-1659-4cc3-8867-483df959bb13_terseLabel_en-US" xlink:label="lab_bsac_ContingentLoanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent loan</link:label>
    <link:label id="lab_bsac_ContingentLoanMember_label_en-US" xlink:label="lab_bsac_ContingentLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Loan [Member]</link:label>
    <link:label id="lab_bsac_ContingentLoanMember_documentation_en-US" xlink:label="lab_bsac_ContingentLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent Loan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ContingentLoanMember" xlink:href="bsac-20251231.xsd#bsac_ContingentLoanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ContingentLoanMember" xlink:to="lab_bsac_ContingentLoanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativesMember_63292101-9e6f-4a89-b396-a45aac0bea72_terseLabel_en-US" xlink:label="lab_ifrs-full_DerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative instruments (market adjusted)</link:label>
    <link:label id="lab_ifrs-full_DerivativesMember_label_en-US" xlink:label="lab_ifrs-full_DerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DerivativesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativesMember" xlink:to="lab_ifrs-full_DerivativesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToInternalMethodologiesAWCR_9a4adbbe-9e60-45af-a7fe-8e66096561ed_terseLabel_en-US" xlink:label="lab_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToInternalMethodologiesAWCR" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets weighted for credit risk, estimated according to internal methodologies (AWCR)</link:label>
    <link:label id="lab_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToInternalMethodologiesAWCR_label_en-US" xlink:label="lab_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToInternalMethodologiesAWCR" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Weighted For Credit Risk Estimated According To Internal Methodologies AWCR</link:label>
    <link:label id="lab_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToInternalMethodologiesAWCR_documentation_en-US" xlink:label="lab_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToInternalMethodologiesAWCR" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of assets weighted for credit risk, estimated according to internal methodologies (AWCR).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToInternalMethodologiesAWCR" xlink:href="bsac-20251231.xsd#bsac_AssetsWeightedForCreditRiskEstimatedAccordingToInternalMethodologiesAWCR"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToInternalMethodologiesAWCR" xlink:to="lab_bsac_AssetsWeightedForCreditRiskEstimatedAccordingToInternalMethodologiesAWCR" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmount_019bf8e0-23fb-7b6b-ab68-4de4024ea45b_terseLabel_en-US" xlink:label="lab_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value with effects on other comprehensive income amount</link:label>
    <link:label id="lab_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmount_label_en-US" xlink:label="lab_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value With Effects On Other Comprehensive Income Amount</link:label>
    <link:label id="lab_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmount_documentation_en-US" xlink:label="lab_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Value With Effects On Other Comprehensive Income Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmount" xlink:href="bsac-20251231.xsd#bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmount" xlink:to="lab_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanFiveYearsMember_d0dc5b63-1fb7-4113-9917-ad9717710c9b_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">More than 5 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanFiveYearsMember_21904342-6701-48d5-88e8-a44d76f30232_verboseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Due after 5 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than five years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IssuedSecuritiesHeldInCustody_247965cd-bf38-40ad-83ca-063039e12042_terseLabel_en-US" xlink:label="lab_bsac_IssuedSecuritiesHeldInCustody" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issued securities held in custody</link:label>
    <link:label id="lab_bsac_IssuedSecuritiesHeldInCustody_label_en-US" xlink:label="lab_bsac_IssuedSecuritiesHeldInCustody" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued Securities Held In Custody</link:label>
    <link:label id="lab_bsac_IssuedSecuritiesHeldInCustody_documentation_en-US" xlink:label="lab_bsac_IssuedSecuritiesHeldInCustody" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about issued securities held in custody.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IssuedSecuritiesHeldInCustody" xlink:href="bsac-20251231.xsd#bsac_IssuedSecuritiesHeldInCustody"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IssuedSecuritiesHeldInCustody" xlink:to="lab_bsac_IssuedSecuritiesHeldInCustody" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory_2ae211fb-6f94-44b8-b066-b462cd032c14_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Derivatives Contracts for Hedge Accounting</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of derivative financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDerivativeFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember_019c538a-1412-7aee-ac6b-daab7c0c8a70_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets and liabilities not classified as held for sale [member]</link:label>
    <link:label id="lab_ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember_label_en-US" xlink:label="lab_ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets and liabilities not classified as held for sale [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:to="lab_ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_StockExchangesMember_bba9801b-c58d-469f-836a-a6d47ad20c41_terseLabel_en-US" xlink:label="lab_bsac_StockExchangesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Exchanges</link:label>
    <link:label id="lab_bsac_StockExchangesMember_b10a3f0f-582c-408c-ac2c-7d8ed7e52252_verboseLabel_en-US" xlink:label="lab_bsac_StockExchangesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Stock exchange</link:label>
    <link:label id="lab_bsac_StockExchangesMember_label_en-US" xlink:label="lab_bsac_StockExchangesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Exchanges [Member]</link:label>
    <link:label id="lab_bsac_StockExchangesMember_documentation_en-US" xlink:label="lab_bsac_StockExchangesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stock Exchanges</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_StockExchangesMember" xlink:href="bsac-20251231.xsd#bsac_StockExchangesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_StockExchangesMember" xlink:to="lab_bsac_StockExchangesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTableTextBlock_65bc5579-231a-4aa0-8a5f-8f4117a21015_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Changes in Value of Property, Plant, and Equipment</link:label>
    <link:label id="lab_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Changes In Value Of Property Plant And Equipment [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Changes In Value Of Property Plant And Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTableTextBlock" xlink:to="lab_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory_4bd3a163-8659-474a-abbf-57887a4ddbd8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Assets at Amortised Cost</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterestExpenseInflationAdjustments_36f06fa4-0688-45fa-b8b9-a9805da14138_negatedTerseLabel_en-US" xlink:label="lab_bsac_InterestExpenseInflationAdjustments" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Inflation adjustments</link:label>
    <link:label id="lab_bsac_InterestExpenseInflationAdjustments_label_en-US" xlink:label="lab_bsac_InterestExpenseInflationAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense, Inflation Adjustments</link:label>
    <link:label id="lab_bsac_InterestExpenseInflationAdjustments_documentation_en-US" xlink:label="lab_bsac_InterestExpenseInflationAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest Expense, Inflation Adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterestExpenseInflationAdjustments" xlink:href="bsac-20251231.xsd#bsac_InterestExpenseInflationAdjustments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterestExpenseInflationAdjustments" xlink:to="lab_bsac_InterestExpenseInflationAdjustments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_July2025SeniorUF1Member_019b35f7-b577-72e9-87f3-4ac164e6bca8_terseLabel_en-US" xlink:label="lab_bsac_July2025SeniorUF1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">July 2025, Senior, UF 1</link:label>
    <link:label id="lab_bsac_July2025SeniorUF1Member_label_en-US" xlink:label="lab_bsac_July2025SeniorUF1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">July 2025, Senior, UF 1 [Member]</link:label>
    <link:label id="lab_bsac_July2025SeniorUF1Member_documentation_en-US" xlink:label="lab_bsac_July2025SeniorUF1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">July 2025, Senior, UF 1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_July2025SeniorUF1Member" xlink:href="bsac-20251231.xsd#bsac_July2025SeniorUF1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_July2025SeniorUF1Member" xlink:to="lab_bsac_July2025SeniorUF1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanOneYearMember_0e7f4f40-9249-4437-a6d7-46c60272ffeb_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Between 3 and 12 months</link:label>
    <link:label id="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanOneYearMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than three months and not later than one year [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanThreeMonthsAndNotLaterThanOneYearMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanThreeMonthsAndNotLaterThanOneYearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanThreeMonthsAndNotLaterThanOneYearMember" xlink:to="lab_ifrs-full_LaterThanThreeMonthsAndNotLaterThanOneYearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD2308221Member_019b9f49-dbeb-7ba4-93a5-ba08a491c89c_terseLabel_en-US" xlink:label="lab_bsac_BSTD2308221Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD230822</link:label>
    <link:label id="lab_bsac_BSTD2308221Member_label_en-US" xlink:label="lab_bsac_BSTD2308221Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD230822-1 [Member]</link:label>
    <link:label id="lab_bsac_BSTD2308221Member_documentation_en-US" xlink:label="lab_bsac_BSTD2308221Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD230822-1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD2308221Member" xlink:href="bsac-20251231.xsd#bsac_BSTD2308221Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD2308221Member" xlink:to="lab_bsac_BSTD2308221Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory_59b76d63-52a4-4434-a527-f51e8b9c5780_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Functional and presentation currency</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for functional currency [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NonControllingInterestAbstract_6674f49d-9718-4326-b9e2-aa5fab31dbf1_terseLabel_en-US" xlink:label="lab_bsac_NonControllingInterestAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-Controlling Interest [Abstract]</link:label>
    <link:label id="lab_bsac_NonControllingInterestAbstract_label_en-US" xlink:label="lab_bsac_NonControllingInterestAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-Controlling Interest [Abstract]</link:label>
    <link:label id="lab_bsac_NonControllingInterestAbstract_documentation_en-US" xlink:label="lab_bsac_NonControllingInterestAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-Controlling Interest [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NonControllingInterestAbstract" xlink:href="bsac-20251231.xsd#bsac_NonControllingInterestAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NonControllingInterestAbstract" xlink:to="lab_bsac_NonControllingInterestAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfCombinedAssetsOfOperatingSegments_373d9cfe-8708-4e43-af7d-1eef6e85e65c_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfCombinedAssetsOfOperatingSegments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of combined assets operating segments</link:label>
    <link:label id="lab_bsac_PercentageOfCombinedAssetsOfOperatingSegments_label_en-US" xlink:label="lab_bsac_PercentageOfCombinedAssetsOfOperatingSegments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Combined Assets Of Operating Segments</link:label>
    <link:label id="lab_bsac_PercentageOfCombinedAssetsOfOperatingSegments_documentation_en-US" xlink:label="lab_bsac_PercentageOfCombinedAssetsOfOperatingSegments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of combined assets of all the operating segments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfCombinedAssetsOfOperatingSegments" xlink:href="bsac-20251231.xsd#bsac_PercentageOfCombinedAssetsOfOperatingSegments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfCombinedAssetsOfOperatingSegments" xlink:to="lab_bsac_PercentageOfCombinedAssetsOfOperatingSegments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsAndLiabilitiesTable_2e120510-1d49-4538-96e0-0d51be49c54d_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets and Liabilities [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsAndLiabilitiesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets and Liabilities [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsAndLiabilitiesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets and Liabilities [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialAssetsAndLiabilitiesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialAssetsAndLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialAssetsAndLiabilitiesTable" xlink:to="lab_bsac_ScheduleOfFinancialAssetsAndLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentAnnualReport_c86f46c1-d324-4ece-b4a3-42b058e3ade9_terseLabel_en-US" xlink:label="lab_dei_DocumentAnnualReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Annual Report</link:label>
    <link:label id="lab_dei_DocumentAnnualReport_label_en-US" xlink:label="lab_dei_DocumentAnnualReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Annual Report</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAnnualReport" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentAnnualReport"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentAnnualReport" xlink:to="lab_dei_DocumentAnnualReport" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDeferredTaxExpense_edf91b40-1805-4821-a9f2-cb298ecc93a4_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in deferred taxes</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForDeferredTaxExpense_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for deferred tax expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForDeferredTaxExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:to="lab_ifrs-full_AdjustmentsForDeferredTaxExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupITServicesAndServiceDeskMonthlyMember_019b9f64-bbc0-7abe-9240-200889e77997_terseLabel_en-US" xlink:label="lab_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupITServicesAndServiceDeskMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">F1rst Tecnologia e Inova&#231;&#227;o Ltda.| Brazil| Group| IT Services and Service Desk| Monthly</link:label>
    <link:label id="lab_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupITServicesAndServiceDeskMonthlyMember_label_en-US" xlink:label="lab_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupITServicesAndServiceDeskMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">F1rst Tecnologia e Inova&#231;&#227;o Ltda.| Brazil| Group| IT Services and Service Desk| Monthly [Member]</link:label>
    <link:label id="lab_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupITServicesAndServiceDeskMonthlyMember_documentation_en-US" xlink:label="lab_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupITServicesAndServiceDeskMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">F1rst Tecnologia e Inova&#231;&#227;o Ltda.| Brazil| Group| IT Services and Service Desk| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupITServicesAndServiceDeskMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupITServicesAndServiceDeskMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupITServicesAndServiceDeskMonthlyMember" xlink:to="lab_bsac_F1rstTecnologiaEInovacaoLtda.BrazilGroupITServicesAndServiceDeskMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesTable_3c4e1d82-f213-496d-8ba2-264145921acd_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of the Maturities of Assets and Liabilities [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of the Maturities of Assets and Liabilities [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of the Maturities of Assets and Liabilities [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesTable" xlink:to="lab_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IssuedDebtInstrumentsNonCurrent_2e4d742f-939b-45f1-9624-f1d63e4183e1_terseLabel_en-US" xlink:label="lab_bsac_IssuedDebtInstrumentsNonCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current</link:label>
    <link:label id="lab_bsac_IssuedDebtInstrumentsNonCurrent_label_en-US" xlink:label="lab_bsac_IssuedDebtInstrumentsNonCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued Debt Instruments Non Current</link:label>
    <link:label id="lab_bsac_IssuedDebtInstrumentsNonCurrent_documentation_en-US" xlink:label="lab_bsac_IssuedDebtInstrumentsNonCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to issued debt instruments non current.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IssuedDebtInstrumentsNonCurrent" xlink:href="bsac-20251231.xsd#bsac_IssuedDebtInstrumentsNonCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IssuedDebtInstrumentsNonCurrent" xlink:to="lab_bsac_IssuedDebtInstrumentsNonCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PutCurrencyOptionsMember_9e18ca18-4bb8-4ceb-aea8-26d73667947f_terseLabel_en-US" xlink:label="lab_bsac_PutCurrencyOptionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Put currency options</link:label>
    <link:label id="lab_bsac_PutCurrencyOptionsMember_label_en-US" xlink:label="lab_bsac_PutCurrencyOptionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Put Currency Options [Member]</link:label>
    <link:label id="lab_bsac_PutCurrencyOptionsMember_documentation_en-US" xlink:label="lab_bsac_PutCurrencyOptionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Put Currency Options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PutCurrencyOptionsMember" xlink:href="bsac-20251231.xsd#bsac_PutCurrencyOptionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PutCurrencyOptionsMember" xlink:to="lab_bsac_PutCurrencyOptionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialDerivativeContractsAbstract0_3c95d409-24af-4fe6-b560-0070e3a565b2_terseLabel_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsAbstract0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial derivative contracts</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsAbstract0_label_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsAbstract0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts Abstract0</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsAbstract0_documentation_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsAbstract0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts Abstract0</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialDerivativeContractsAbstract0" xlink:href="bsac-20251231.xsd#bsac_FinancialDerivativeContractsAbstract0"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialDerivativeContractsAbstract0" xlink:to="lab_bsac_FinancialDerivativeContractsAbstract0" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome_910665e6-a67f-40b2-890a-1e32af978876_negatedTotalLabel_en-US" xlink:label="lab_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total deferred tax liabilities recognised through other comprehensive income</link:label>
    <link:label id="lab_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Deferred Tax Liabilities Recognized Through Other Comprehensive Income</link:label>
    <link:label id="lab_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about total deferred tax liabilities recognized through other comprehensive income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome" xlink:href="bsac-20251231.xsd#bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome" xlink:to="lab_bsac_TotalDeferredTaxLiabilitiesRecognizedThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RightsOverTelephoneLinesMember_d30ca201-25d0-4169-99dc-c456198895bf_terseLabel_en-US" xlink:label="lab_bsac_RightsOverTelephoneLinesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rights over telephone lines</link:label>
    <link:label id="lab_bsac_RightsOverTelephoneLinesMember_label_en-US" xlink:label="lab_bsac_RightsOverTelephoneLinesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rights Over Telephone Lines [Member]</link:label>
    <link:label id="lab_bsac_RightsOverTelephoneLinesMember_documentation_en-US" xlink:label="lab_bsac_RightsOverTelephoneLinesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rights Over Telephone Lines</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RightsOverTelephoneLinesMember" xlink:href="bsac-20251231.xsd#bsac_RightsOverTelephoneLinesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RightsOverTelephoneLinesMember" xlink:to="lab_bsac_RightsOverTelephoneLinesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ClosingBalances_3564dc9a-d955-47ab-8718-c1b7e5d1ca85_terseLabel_en-US" xlink:label="lab_bsac_ClosingBalances" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Closing balances as of December 31,</link:label>
    <link:label id="lab_bsac_ClosingBalances_label_en-US" xlink:label="lab_bsac_ClosingBalances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Closing Balances</link:label>
    <link:label id="lab_bsac_ClosingBalances_documentation_en-US" xlink:label="lab_bsac_ClosingBalances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Closing Balances</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ClosingBalances" xlink:href="bsac-20251231.xsd#bsac_ClosingBalances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ClosingBalances" xlink:to="lab_bsac_ClosingBalances" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MaintainReservesPercentage_def0f149-f49c-4468-9875-8fa85804b0a5_terseLabel_en-US" xlink:label="lab_bsac_MaintainReservesPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maintain reserves percentage</link:label>
    <link:label id="lab_bsac_MaintainReservesPercentage_label_en-US" xlink:label="lab_bsac_MaintainReservesPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maintain Reserves Percentage</link:label>
    <link:label id="lab_bsac_MaintainReservesPercentage_documentation_en-US" xlink:label="lab_bsac_MaintainReservesPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maintain reserves percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MaintainReservesPercentage" xlink:href="bsac-20251231.xsd#bsac_MaintainReservesPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MaintainReservesPercentage" xlink:to="lab_bsac_MaintainReservesPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory_d738567b-a0c3-420a-9643-21d5453eb22d_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions, contingent assets and contingent liabilities</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for contingent liabilities and contingent assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForContingentLiabilitiesAndContingentAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SharesOrRightsInOtherCompaniesMember_51c08187-7a04-4c2d-a199-8750fa90940d_terseLabel_en-US" xlink:label="lab_bsac_SharesOrRightsInOtherCompaniesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_bsac_SharesOrRightsInOtherCompaniesMember_label_en-US" xlink:label="lab_bsac_SharesOrRightsInOtherCompaniesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Or Rights In Other Companies [Member]</link:label>
    <link:label id="lab_bsac_SharesOrRightsInOtherCompaniesMember_documentation_en-US" xlink:label="lab_bsac_SharesOrRightsInOtherCompaniesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shares Or Rights In Other Companies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SharesOrRightsInOtherCompaniesMember" xlink:href="bsac-20251231.xsd#bsac_SharesOrRightsInOtherCompaniesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SharesOrRightsInOtherCompaniesMember" xlink:to="lab_bsac_SharesOrRightsInOtherCompaniesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_JPMorganChaseBankMember_019b31bd-be3a-7f93-890b-9d8d31e4549d_terseLabel_en-US" xlink:label="lab_bsac_JPMorganChaseBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">JPMorgan Chase Bank</link:label>
    <link:label id="lab_bsac_JPMorganChaseBankMember_label_en-US" xlink:label="lab_bsac_JPMorganChaseBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">JPMorgan Chase Bank [Member]</link:label>
    <link:label id="lab_bsac_JPMorganChaseBankMember_documentation_en-US" xlink:label="lab_bsac_JPMorganChaseBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">JPMorgan Chase Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_JPMorganChaseBankMember" xlink:href="bsac-20251231.xsd#bsac_JPMorganChaseBankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_JPMorganChaseBankMember" xlink:to="lab_bsac_JPMorganChaseBankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Cash_264d5dbe-0577-42ce-8efb-95f6155cb095_terseLabel_en-US" xlink:label="lab_ifrs-full_Cash" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash</link:label>
    <link:label id="lab_ifrs-full_Cash_a116c0ee-3055-4985-884f-944cd10c3e66_verboseLabel_en-US" xlink:label="lab_ifrs-full_Cash" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash and deposits in banks</link:label>
    <link:label id="lab_ifrs-full_Cash_label_en-US" xlink:label="lab_ifrs-full_Cash" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Cash" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Cash"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Cash" xlink:to="lab_ifrs-full_Cash" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestRateRiskMember_8a8542a8-a7a1-4d39-962d-89e1ca1b5587_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestRateRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate risk</link:label>
    <link:label id="lab_ifrs-full_InterestRateRiskMember_1399bca0-98f5-4a18-9b57-65eb857f5f3d_verboseLabel_en-US" xlink:label="lab_ifrs-full_InterestRateRiskMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest rate risk</link:label>
    <link:label id="lab_ifrs-full_InterestRateRiskMember_label_en-US" xlink:label="lab_ifrs-full_InterestRateRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest rate risk [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestRateRiskMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestRateRiskMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRateRiskMember" xlink:to="lab_ifrs-full_InterestRateRiskMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BonoJPYSantanderSAMember_019bf9c0-24af-75fb-944e-8a29370b8e65_terseLabel_en-US" xlink:label="lab_bsac_BonoJPYSantanderSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bono JPY Santander SA</link:label>
    <link:label id="lab_bsac_BonoJPYSantanderSAMember_label_en-US" xlink:label="lab_bsac_BonoJPYSantanderSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bono JPY Santander SA [Member]</link:label>
    <link:label id="lab_bsac_BonoJPYSantanderSAMember_documentation_en-US" xlink:label="lab_bsac_BonoJPYSantanderSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bono JPY Santander SA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BonoJPYSantanderSAMember" xlink:href="bsac-20251231.xsd#bsac_BonoJPYSantanderSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BonoJPYSantanderSAMember" xlink:to="lab_bsac_BonoJPYSantanderSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxesNonDeductibleExpenses_8efa816b-fbf8-4bbf-9fe8-1474399500ed_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxesNonDeductibleExpenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax for rejected expenses (Article No21)</link:label>
    <link:label id="lab_bsac_DeferredTaxesNonDeductibleExpenses_85cba516-6842-4539-9fe9-053d06794541_verboseLabel_en-US" xlink:label="lab_bsac_DeferredTaxesNonDeductibleExpenses" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Single penalty tax (rejected expenses), amount</link:label>
    <link:label id="lab_bsac_DeferredTaxesNonDeductibleExpenses_label_en-US" xlink:label="lab_bsac_DeferredTaxesNonDeductibleExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Taxes Non Deductible Expenses</link:label>
    <link:label id="lab_bsac_DeferredTaxesNonDeductibleExpenses_documentation_en-US" xlink:label="lab_bsac_DeferredTaxesNonDeductibleExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of deferred taxes nondeductible expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxesNonDeductibleExpenses" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxesNonDeductibleExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxesNonDeductibleExpenses" xlink:to="lab_bsac_DeferredTaxesNonDeductibleExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionForOperationalRisksMember_9a0b8ba1-cd9a-496c-91eb-8f02b76f2df8_terseLabel_en-US" xlink:label="lab_bsac_ProvisionForOperationalRisksMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for operational risks</link:label>
    <link:label id="lab_bsac_ProvisionForOperationalRisksMember_label_en-US" xlink:label="lab_bsac_ProvisionForOperationalRisksMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for operational risks [Member]</link:label>
    <link:label id="lab_bsac_ProvisionForOperationalRisksMember_documentation_en-US" xlink:label="lab_bsac_ProvisionForOperationalRisksMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision for operational risks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionForOperationalRisksMember" xlink:href="bsac-20251231.xsd#bsac_ProvisionForOperationalRisksMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionForOperationalRisksMember" xlink:to="lab_bsac_ProvisionForOperationalRisksMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_a549f2e7-60a8-4619-9d57-da60a872e88d_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate" xlink:to="lab_dei_CurrentFiscalYearEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherChileanCentralBankAndGovernmentSecuritiesMember_7c912293-488a-4f6d-b310-252591bda3be_terseLabel_en-US" xlink:label="lab_bsac_OtherChileanCentralBankAndGovernmentSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Chilean government financial instruments</link:label>
    <link:label id="lab_bsac_OtherChileanCentralBankAndGovernmentSecuritiesMember_label_en-US" xlink:label="lab_bsac_OtherChileanCentralBankAndGovernmentSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Chilean Central Bank And Government Securities [Member]</link:label>
    <link:label id="lab_bsac_OtherChileanCentralBankAndGovernmentSecuritiesMember_documentation_en-US" xlink:label="lab_bsac_OtherChileanCentralBankAndGovernmentSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Chilean Central Bank And Government Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherChileanCentralBankAndGovernmentSecuritiesMember" xlink:href="bsac-20251231.xsd#bsac_OtherChileanCentralBankAndGovernmentSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherChileanCentralBankAndGovernmentSecuritiesMember" xlink:to="lab_bsac_OtherChileanCentralBankAndGovernmentSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileConsultingServicesITServicesMonthlyMember_019bf9eb-ee0d-7428-8caa-712042f2120b_terseLabel_en-US" xlink:label="lab_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileConsultingServicesITServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Global Technology and Operations Chile limitada| Chile| Consulting Services| IT Services| Monthly</link:label>
    <link:label id="lab_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileConsultingServicesITServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileConsultingServicesITServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Global Technology and Operations Chile limitada| Chile| Consulting Services| IT Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileConsultingServicesITServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileConsultingServicesITServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Global Technology and Operations Chile limitada| Chile| Consulting Services| IT Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileConsultingServicesITServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileConsultingServicesITServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileConsultingServicesITServicesMonthlyMember" xlink:to="lab_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileConsultingServicesITServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TheAmountOfCurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowings_be3e57a2-208a-4f9b-9e1c-b2c286195b23_terseLabel_en-US" xlink:label="lab_bsac_TheAmountOfCurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_bsac_TheAmountOfCurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowings_label_en-US" xlink:label="lab_bsac_TheAmountOfCurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The Amount Of Current Borrowings And Current Portion Of Non Current Borrowings</link:label>
    <link:label id="lab_bsac_TheAmountOfCurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowings_documentation_en-US" xlink:label="lab_bsac_TheAmountOfCurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current borrowings and current portion of non-current borrowings.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TheAmountOfCurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowings" xlink:href="bsac-20251231.xsd#bsac_TheAmountOfCurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TheAmountOfCurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowings" xlink:to="lab_bsac_TheAmountOfCurrentBorrowingsAndCurrentPortionOfNonCurrentBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossNetChangeOnFinancialAssets_df38f09f-2fd6-43e6-ace3-cc535085e136_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossNetChangeOnFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net changes of the exposure and modifications in credit risk</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossNetChangeOnFinancialAssets_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossNetChangeOnFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Loss Net Change On Financial Assets</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossNetChangeOnFinancialAssets_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossNetChangeOnFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected credit loss net change on financial assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossNetChangeOnFinancialAssets" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossNetChangeOnFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossNetChangeOnFinancialAssets" xlink:to="lab_bsac_ExpectedCreditLossNetChangeOnFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxAssetPropertyPlantAndEquipment_c2007fd4-f976-435b-8331-5e9d0863d27b_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxAssetPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment valuation</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetPropertyPlantAndEquipment_label_en-US" xlink:label="lab_bsac_DeferredTaxAssetPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Asset Property Plant And Equipment</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_bsac_DeferredTaxAssetPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxAssetPropertyPlantAndEquipment" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxAssetPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxAssetPropertyPlantAndEquipment" xlink:to="lab_bsac_DeferredTaxAssetPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfProvisionsForContingentLoanRiskTable_bd8ff2f1-6624-4dc2-87eb-412274cefde2_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfProvisionsForContingentLoanRiskTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Provisions for Contingent Loan Risk [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfProvisionsForContingentLoanRiskTable_label_en-US" xlink:label="lab_bsac_ScheduleOfProvisionsForContingentLoanRiskTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Provisions for Contingent Loan Risk [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfProvisionsForContingentLoanRiskTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfProvisionsForContingentLoanRiskTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Provisions for Contingent Loan Risk [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfProvisionsForContingentLoanRiskTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfProvisionsForContingentLoanRiskTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfProvisionsForContingentLoanRiskTable" xlink:to="lab_bsac_ScheduleOfProvisionsForContingentLoanRiskTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A6XBSTD210622Member_019bf9b6-d5b7-76ce-9e8c-2ea2dc36d5f1_terseLabel_en-US" xlink:label="lab_bsac_A6XBSTD210622Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">6XBSTD210622</link:label>
    <link:label id="lab_bsac_A6XBSTD210622Member_label_en-US" xlink:label="lab_bsac_A6XBSTD210622Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">6XBSTD210622 [Member]</link:label>
    <link:label id="lab_bsac_A6XBSTD210622Member_documentation_en-US" xlink:label="lab_bsac_A6XBSTD210622Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">6XBSTD210622</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A6XBSTD210622Member" xlink:href="bsac-20251231.xsd#bsac_A6XBSTD210622Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A6XBSTD210622Member" xlink:to="lab_bsac_A6XBSTD210622Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaximumExposureToCreditRisk_532fc75f-ccaf-417e-86a2-477f18ff5528_terseLabel_en-US" xlink:label="lab_ifrs-full_MaximumExposureToCreditRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum exposure to credit risk</link:label>
    <link:label id="lab_ifrs-full_MaximumExposureToCreditRisk_label_en-US" xlink:label="lab_ifrs-full_MaximumExposureToCreditRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum exposure to credit risk</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaximumExposureToCreditRisk" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MaximumExposureToCreditRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaximumExposureToCreditRisk" xlink:to="lab_ifrs-full_MaximumExposureToCreditRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherIrrevocableCreditCommitments_08e4667c-1ff9-4594-aaa6-a65cc1ab3bbd_terseLabel_en-US" xlink:label="lab_bsac_OtherIrrevocableCreditCommitments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other irrevocable credit commitments</link:label>
    <link:label id="lab_bsac_OtherIrrevocableCreditCommitments_label_en-US" xlink:label="lab_bsac_OtherIrrevocableCreditCommitments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Irrevocable Credit Commitments</link:label>
    <link:label id="lab_bsac_OtherIrrevocableCreditCommitments_documentation_en-US" xlink:label="lab_bsac_OtherIrrevocableCreditCommitments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about other irrevocable credit commitments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherIrrevocableCreditCommitments" xlink:href="bsac-20251231.xsd#bsac_OtherIrrevocableCreditCommitments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherIrrevocableCreditCommitments" xlink:to="lab_bsac_OtherIrrevocableCreditCommitments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutMaturitiesOfMortgageBondExplanatoryTableTextBlock_d8f7c58a-c6e3-43bc-8dee-2fb47a3ab37f_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutMaturitiesOfMortgageBondExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Mortgage Bonds</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutMaturitiesOfMortgageBondExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutMaturitiesOfMortgageBondExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Maturities Of Mortgage Bond Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutMaturitiesOfMortgageBondExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutMaturitiesOfMortgageBondExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about maturities of mortgage bond.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutMaturitiesOfMortgageBondExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutMaturitiesOfMortgageBondExplanatoryTableTextBlock"/>
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    <link:label id="lab_bsac_ProbabilitiesPercentage_cd19d1b1-8f48-4552-8c87-b106b0105792_terseLabel_en-US" xlink:label="lab_bsac_ProbabilitiesPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Probabilities percentage</link:label>
    <link:label id="lab_bsac_ProbabilitiesPercentage_label_en-US" xlink:label="lab_bsac_ProbabilitiesPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Probabilities Percentage</link:label>
    <link:label id="lab_bsac_ProbabilitiesPercentage_documentation_en-US" xlink:label="lab_bsac_ProbabilitiesPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Probabilities Percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProbabilitiesPercentage" xlink:href="bsac-20251231.xsd#bsac_ProbabilitiesPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProbabilitiesPercentage" xlink:to="lab_bsac_ProbabilitiesPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherLiabilitiesFairValue_30641318-9ed3-4140-af59-c4618db4eb31_terseLabel_en-US" xlink:label="lab_bsac_OtherLiabilitiesFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_bsac_OtherLiabilitiesFairValue_label_en-US" xlink:label="lab_bsac_OtherLiabilitiesFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities Fair Value</link:label>
    <link:label id="lab_bsac_OtherLiabilitiesFairValue_documentation_en-US" xlink:label="lab_bsac_OtherLiabilitiesFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherLiabilitiesFairValue" xlink:href="bsac-20251231.xsd#bsac_OtherLiabilitiesFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherLiabilitiesFairValue" xlink:to="lab_bsac_OtherLiabilitiesFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FeesAndCommissionsForCardServices_97140f82-b368-4b04-bb00-f33535f47eac_terseLabel_en-US" xlink:label="lab_bsac_FeesAndCommissionsForCardServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fees and commissions for card services</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForCardServices_label_en-US" xlink:label="lab_bsac_FeesAndCommissionsForCardServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees And Commissions For Card Services</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForCardServices_documentation_en-US" xlink:label="lab_bsac_FeesAndCommissionsForCardServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of income recognised from card services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FeesAndCommissionsForCardServices" xlink:href="bsac-20251231.xsd#bsac_FeesAndCommissionsForCardServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FeesAndCommissionsForCardServices" xlink:to="lab_bsac_FeesAndCommissionsForCardServices" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory_c79297ad-6514-4009-bd1f-09917ddb8b54_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value of Financial Assets and Liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of fair value measurement [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NoncontrollingInterest_89137a41-5f00-4e3c-b89f-55c4e80b3472_terseLabel_en-US" xlink:label="lab_bsac_NoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interest</link:label>
    <link:label id="lab_bsac_NoncontrollingInterest_label_en-US" xlink:label="lab_bsac_NoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncontrolling Interest</link:label>
    <link:label id="lab_bsac_NoncontrollingInterest_documentation_en-US" xlink:label="lab_bsac_NoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-controlling interest .</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NoncontrollingInterest" xlink:href="bsac-20251231.xsd#bsac_NoncontrollingInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NoncontrollingInterest" xlink:to="lab_bsac_NoncontrollingInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SpecialBondPlacement_019c6bb5-7329-750d-9236-9c6c322c9af9_terseLabel_en-US" xlink:label="lab_bsac_SpecialBondPlacement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Special bond placement</link:label>
    <link:label id="lab_bsac_SpecialBondPlacement_label_en-US" xlink:label="lab_bsac_SpecialBondPlacement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Special Bond Placement</link:label>
    <link:label id="lab_bsac_SpecialBondPlacement_documentation_en-US" xlink:label="lab_bsac_SpecialBondPlacement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Special Bond Placement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SpecialBondPlacement" xlink:href="bsac-20251231.xsd#bsac_SpecialBondPlacement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SpecialBondPlacement" xlink:to="lab_bsac_SpecialBondPlacement" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansToCustomersMember_b6821b66-0aed-4b2c-8213-1b6859408eae_terseLabel_en-US" xlink:label="lab_bsac_LoansToCustomersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consumer loans</link:label>
    <link:label id="lab_bsac_LoansToCustomersMember_label_en-US" xlink:label="lab_bsac_LoansToCustomersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans To Customers [Member]</link:label>
    <link:label id="lab_bsac_LoansToCustomersMember_documentation_en-US" xlink:label="lab_bsac_LoansToCustomersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for loans that are made to customers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansToCustomersMember" xlink:href="bsac-20251231.xsd#bsac_LoansToCustomersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansToCustomersMember" xlink:to="lab_bsac_LoansToCustomersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GrossLoanAndReceivables_7a24f5cc-b20c-4093-b99c-0946247db7bd_totalLabel_en-US" xlink:label="lab_bsac_GrossLoanAndReceivables" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Loans and accounts receivable</link:label>
    <link:label id="lab_bsac_GrossLoanAndReceivables_label_en-US" xlink:label="lab_bsac_GrossLoanAndReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross Loan And Receivables</link:label>
    <link:label id="lab_bsac_GrossLoanAndReceivables_documentation_en-US" xlink:label="lab_bsac_GrossLoanAndReceivables" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about gross loan and receivables.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GrossLoanAndReceivables" xlink:href="bsac-20251231.xsd#bsac_GrossLoanAndReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GrossLoanAndReceivables" xlink:to="lab_bsac_GrossLoanAndReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowances_41dc02dd-9466-401e-8c81-05f54dec9ed0_terseLabel_en-US" xlink:label="lab_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowances" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other adjustments</link:label>
    <link:label id="lab_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowances_label_en-US" xlink:label="lab_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains Losses On Exchange Differences On Expected Credit Losses Allowances</link:label>
    <link:label id="lab_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowances_documentation_en-US" xlink:label="lab_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to foreign exchange adjustments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowances" xlink:href="bsac-20251231.xsd#bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowances" xlink:to="lab_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowances" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossAllowancesRecoveryOfLoansPreviouslyChargedoff_b3df6400-5405-499c-90ec-8a892a4459ae_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossAllowancesRecoveryOfLoansPreviouslyChargedoff" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recovery of loans previously charged-off</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossAllowancesRecoveryOfLoansPreviouslyChargedoff_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossAllowancesRecoveryOfLoansPreviouslyChargedoff" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Loss Allowances Recovery Of Loans Previously Chargedoff</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossAllowancesRecoveryOfLoansPreviouslyChargedoff_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossAllowancesRecoveryOfLoansPreviouslyChargedoff" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Credit Loss Allowances Recovery Of Loans Previously Chargedoff</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossAllowancesRecoveryOfLoansPreviouslyChargedoff" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossAllowancesRecoveryOfLoansPreviouslyChargedoff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossAllowancesRecoveryOfLoansPreviouslyChargedoff" xlink:to="lab_bsac_ExpectedCreditLossAllowancesRecoveryOfLoansPreviouslyChargedoff" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncomeTaxRelatedToOtherComprehensiveIncomeComponentsAbstract_8274960d-eb9b-473a-836e-f30306b09349_terseLabel_en-US" xlink:label="lab_bsac_IncomeTaxRelatedToOtherComprehensiveIncomeComponentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income tax related to other comprehensive income components</link:label>
    <link:label id="lab_bsac_IncomeTaxRelatedToOtherComprehensiveIncomeComponentsAbstract_label_en-US" xlink:label="lab_bsac_IncomeTaxRelatedToOtherComprehensiveIncomeComponentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Related To Other Comprehensive Income Components Abstract</link:label>
    <link:label id="lab_bsac_IncomeTaxRelatedToOtherComprehensiveIncomeComponentsAbstract_documentation_en-US" xlink:label="lab_bsac_IncomeTaxRelatedToOtherComprehensiveIncomeComponentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income Tax Related To Other Comprehensive Income Components Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncomeTaxRelatedToOtherComprehensiveIncomeComponentsAbstract" xlink:href="bsac-20251231.xsd#bsac_IncomeTaxRelatedToOtherComprehensiveIncomeComponentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncomeTaxRelatedToOtherComprehensiveIncomeComponentsAbstract" xlink:to="lab_bsac_IncomeTaxRelatedToOtherComprehensiveIncomeComponentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ForeignDebtFinancialInstrumentsOfGovernmentsAndFiscalEntitiesMember_019b9eec-1e89-778d-8ef0-2aae7e202064_terseLabel_en-US" xlink:label="lab_bsac_ForeignDebtFinancialInstrumentsOfGovernmentsAndFiscalEntitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign debt financial instruments of governments and fiscal entities</link:label>
    <link:label id="lab_bsac_ForeignDebtFinancialInstrumentsOfGovernmentsAndFiscalEntitiesMember_label_en-US" xlink:label="lab_bsac_ForeignDebtFinancialInstrumentsOfGovernmentsAndFiscalEntitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Debt Financial Instruments Of Governments And Fiscal Entities [Member]</link:label>
    <link:label id="lab_bsac_ForeignDebtFinancialInstrumentsOfGovernmentsAndFiscalEntitiesMember_documentation_en-US" xlink:label="lab_bsac_ForeignDebtFinancialInstrumentsOfGovernmentsAndFiscalEntitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Debt Financial Instruments Of Governments And Fiscal Entities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ForeignDebtFinancialInstrumentsOfGovernmentsAndFiscalEntitiesMember" xlink:href="bsac-20251231.xsd#bsac_ForeignDebtFinancialInstrumentsOfGovernmentsAndFiscalEntitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ForeignDebtFinancialInstrumentsOfGovernmentsAndFiscalEntitiesMember" xlink:to="lab_bsac_ForeignDebtFinancialInstrumentsOfGovernmentsAndFiscalEntitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MarketRiskEffectOnFinancialIncome_d6fc073e-255a-41a4-8c19-ad99fdb6de99_terseLabel_en-US" xlink:label="lab_bsac_MarketRiskEffectOnFinancialIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect on financial income</link:label>
    <link:label id="lab_bsac_MarketRiskEffectOnFinancialIncome_label_en-US" xlink:label="lab_bsac_MarketRiskEffectOnFinancialIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Risk Effect On Financial Income</link:label>
    <link:label id="lab_bsac_MarketRiskEffectOnFinancialIncome_documentation_en-US" xlink:label="lab_bsac_MarketRiskEffectOnFinancialIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market Risk Effect On Financial Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MarketRiskEffectOnFinancialIncome" xlink:href="bsac-20251231.xsd#bsac_MarketRiskEffectOnFinancialIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MarketRiskEffectOnFinancialIncome" xlink:to="lab_bsac_MarketRiskEffectOnFinancialIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankingRegulationCapitalConservationBufferCapitalAdequacyMinimum_03f7070b-ad08-44e3-8dd8-3a63dc22b41a_terseLabel_en-US" xlink:label="lab_bsac_BankingRegulationCapitalConservationBufferCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital Conservation buffer</link:label>
    <link:label id="lab_bsac_BankingRegulationCapitalConservationBufferCapitalAdequacyMinimum_label_en-US" xlink:label="lab_bsac_BankingRegulationCapitalConservationBufferCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banking Regulation, Capital Conservation Buffer, Capital Adequacy, Minimum</link:label>
    <link:label id="lab_bsac_BankingRegulationCapitalConservationBufferCapitalAdequacyMinimum_documentation_en-US" xlink:label="lab_bsac_BankingRegulationCapitalConservationBufferCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banking Regulation, Capital Conservation Buffer, Capital Adequacy, Minimum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankingRegulationCapitalConservationBufferCapitalAdequacyMinimum" xlink:href="bsac-20251231.xsd#bsac_BankingRegulationCapitalConservationBufferCapitalAdequacyMinimum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankingRegulationCapitalConservationBufferCapitalAdequacyMinimum" xlink:to="lab_bsac_BankingRegulationCapitalConservationBufferCapitalAdequacyMinimum" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RetainedEarnings_ba06aae6-9c48-497c-bc6b-5aca4ba12b68_totalLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Retained earnings</link:label>
    <link:label id="lab_ifrs-full_RetainedEarnings_label_en-US" xlink:label="lab_ifrs-full_RetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained earnings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RetainedEarnings" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RetainedEarnings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RetainedEarnings" xlink:to="lab_ifrs-full_RetainedEarnings" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD2308222Member_019b9f53-feb9-790e-8d17-214171c17e65_terseLabel_en-US" xlink:label="lab_bsac_BSTD2308222Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD230822</link:label>
    <link:label id="lab_bsac_BSTD2308222Member_label_en-US" xlink:label="lab_bsac_BSTD2308222Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD230822-2 [Member]</link:label>
    <link:label id="lab_bsac_BSTD2308222Member_documentation_en-US" xlink:label="lab_bsac_BSTD2308222Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD230822-2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD2308222Member" xlink:href="bsac-20251231.xsd#bsac_BSTD2308222Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD2308222Member" xlink:to="lab_bsac_BSTD2308222Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory_13f24a25-d192-46c0-a40b-7b41533a3885_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Changes in the Value of Intangible Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about intangible assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialDerivativeContractsAndHedgeAccountingMember_740fe474-e6e2-46cf-8ea3-8be2543e3206_terseLabel_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsAndHedgeAccountingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial derivative contracts and hedge accounting</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsAndHedgeAccountingMember_label_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsAndHedgeAccountingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts And Hedge Accounting [Member]</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsAndHedgeAccountingMember_documentation_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsAndHedgeAccountingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts And Hedge Accounting</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialDerivativeContractsAndHedgeAccountingMember" xlink:href="bsac-20251231.xsd#bsac_FinancialDerivativeContractsAndHedgeAccountingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialDerivativeContractsAndHedgeAccountingMember" xlink:to="lab_bsac_FinancialDerivativeContractsAndHedgeAccountingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MinusAbstract_58a610a1-2d3b-4604-b535-59cf20ccc3df_terseLabel_en-US" xlink:label="lab_bsac_MinusAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minus:</link:label>
    <link:label id="lab_bsac_MinusAbstract_label_en-US" xlink:label="lab_bsac_MinusAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minus Abstract</link:label>
    <link:label id="lab_bsac_MinusAbstract_documentation_en-US" xlink:label="lab_bsac_MinusAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minus Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MinusAbstract" xlink:href="bsac-20251231.xsd#bsac_MinusAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MinusAbstract" xlink:to="lab_bsac_MinusAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SalesPurchasesIssuancesAndLoansNetAssets_9ba1b7e4-dff9-4e14-9ccf-84bf652bb051_negatedLabel_en-US" xlink:label="lab_bsac_SalesPurchasesIssuancesAndLoansNetAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Purchases, issuances, and loans (net)</link:label>
    <link:label id="lab_bsac_SalesPurchasesIssuancesAndLoansNetAssets_label_en-US" xlink:label="lab_bsac_SalesPurchasesIssuancesAndLoansNetAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales, Purchases, Issuances, And Loans (Net), Assets</link:label>
    <link:label id="lab_bsac_SalesPurchasesIssuancesAndLoansNetAssets_documentation_en-US" xlink:label="lab_bsac_SalesPurchasesIssuancesAndLoansNetAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sales, Purchases, Issuances, And Loans (Net), Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SalesPurchasesIssuancesAndLoansNetAssets" xlink:href="bsac-20251231.xsd#bsac_SalesPurchasesIssuancesAndLoansNetAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SalesPurchasesIssuancesAndLoansNetAssets" xlink:to="lab_bsac_SalesPurchasesIssuancesAndLoansNetAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain_ab3cd71f-0388-4581-9bbf-642774c252f0_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:to="lab_ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesTable_198fe4f7-97cd-4ec4-958b-f97bcaba9f2b_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loans and Accounts Receivable as Well as Contingent Loans that Correspond to Related Entities [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Loans and Accounts Receivable as Well as Contingent Loans that Correspond to Related Entities [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Loans and Accounts Receivable as Well as Contingent Loans that Correspond to Related Entities [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesTable" xlink:to="lab_bsac_ScheduleOfLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderCorredoraDeSegurosLimitadaMember_4259657f-4ed9-4dcf-aaaa-61819b322b91_terseLabel_en-US" xlink:label="lab_bsac_SantanderCorredoraDeSegurosLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Corredora de Seguros Limitada</link:label>
    <link:label id="lab_bsac_SantanderCorredoraDeSegurosLimitadaMember_label_en-US" xlink:label="lab_bsac_SantanderCorredoraDeSegurosLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Corredora De Seguros Limitada [Member]</link:label>
    <link:label id="lab_bsac_SantanderCorredoraDeSegurosLimitadaMember_documentation_en-US" xlink:label="lab_bsac_SantanderCorredoraDeSegurosLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Corredora De Seguros Limitada</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderCorredoraDeSegurosLimitadaMember" xlink:href="bsac-20251231.xsd#bsac_SantanderCorredoraDeSegurosLimitadaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderCorredoraDeSegurosLimitadaMember" xlink:to="lab_bsac_SantanderCorredoraDeSegurosLimitadaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralTable_b2d6da3a-170b-4494-92df-f2b6703c3710_terseLabel_en-US" xlink:label="lab_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of Financial Assets and Associated Collateral [Table]</link:label>
    <link:label id="lab_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralTable_label_en-US" xlink:label="lab_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of Financial Assets and Associated Collateral [Table]</link:label>
    <link:label id="lab_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralTable_documentation_en-US" xlink:label="lab_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of Financial Assets and Associated Collateral [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralTable" xlink:href="bsac-20251231.xsd#bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralTable" xlink:to="lab_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A1XBSTD220425Member_019bf9b8-ec04-7fae-8c41-4b5b758b8daf_terseLabel_en-US" xlink:label="lab_bsac_A1XBSTD220425Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">1XBSTD220425</link:label>
    <link:label id="lab_bsac_A1XBSTD220425Member_label_en-US" xlink:label="lab_bsac_A1XBSTD220425Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">1XBSTD220425 [Member]</link:label>
    <link:label id="lab_bsac_A1XBSTD220425Member_documentation_en-US" xlink:label="lab_bsac_A1XBSTD220425Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">1XBSTD220425</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A1XBSTD220425Member" xlink:href="bsac-20251231.xsd#bsac_A1XBSTD220425Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A1XBSTD220425Member" xlink:to="lab_bsac_A1XBSTD220425Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherDeferredTaxes_fc7b0ca2-c980-44b0-84b5-a52c224b50ed_terseLabel_en-US" xlink:label="lab_bsac_OtherDeferredTaxes" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_bsac_OtherDeferredTaxes_label_en-US" xlink:label="lab_bsac_OtherDeferredTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Deferred Taxes</link:label>
    <link:label id="lab_bsac_OtherDeferredTaxes_documentation_en-US" xlink:label="lab_bsac_OtherDeferredTaxes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other deferred taxes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherDeferredTaxes" xlink:href="bsac-20251231.xsd#bsac_OtherDeferredTaxes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherDeferredTaxes" xlink:to="lab_bsac_OtherDeferredTaxes" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_C5Member_990a1ecb-53f5-4272-9cd7-83518d1798a6_terseLabel_en-US" xlink:label="lab_bsac_C5Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">C5</link:label>
    <link:label id="lab_bsac_C5Member_label_en-US" xlink:label="lab_bsac_C5Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">C5 [Member]</link:label>
    <link:label id="lab_bsac_C5Member_documentation_en-US" xlink:label="lab_bsac_C5Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">C5</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_C5Member" xlink:href="bsac-20251231.xsd#bsac_C5Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_C5Member" xlink:to="lab_bsac_C5Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentTable_3e6b7c48-a5ab-4fa5-9feb-a578826dfe14_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Bank&#8217;s Debts, both Current and Non-Current [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentTable_label_en-US" xlink:label="lab_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Bank&#8217;s Debts, both Current and Non-Current [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Bank&#8217;s Debts, both Current and Non-Current [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentTable" xlink:to="lab_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ModifiedLoansPercentage_76ef78dc-ac3f-4f45-939e-f41f5e6fc6d0_terseLabel_en-US" xlink:label="lab_bsac_ModifiedLoansPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage</link:label>
    <link:label id="lab_bsac_ModifiedLoansPercentage_label_en-US" xlink:label="lab_bsac_ModifiedLoansPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Modified Loans Percentage</link:label>
    <link:label id="lab_bsac_ModifiedLoansPercentage_documentation_en-US" xlink:label="lab_bsac_ModifiedLoansPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage refer to modified loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ModifiedLoansPercentage" xlink:href="bsac-20251231.xsd#bsac_ModifiedLoansPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ModifiedLoansPercentage" xlink:to="lab_bsac_ModifiedLoansPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssets_63064560-a0dc-4ba6-99b4-e4762a0e4699_verboseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Book value, assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssets_18265ca6-36e7-42e6-a97f-43761d86512f_totalLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total financial assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssets_label_en-US" xlink:label="lab_ifrs-full_FinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssets" xlink:to="lab_ifrs-full_FinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfLeasesExplanatory_24458bfe-4415-447e-ba5f-6fa435cb6377_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Right of Use Assets and Obligation for Lease Contracts</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfLeasesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of leases [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfLeasesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfLeasesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfLeasesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfLeasesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInCommercialLoansLineItems_1fd4b0cb-c86b-4b12-989d-d27bfb348459_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInCommercialLoansLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInCommercialLoansLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInCommercialLoansLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInCommercialLoansLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInCommercialLoansLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss in Commercial Loans [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInCommercialLoansLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInCommercialLoansLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInCommercialLoansLineItems" xlink:to="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInCommercialLoansLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset_01429c2d-66c2-4808-be50-e8630f5db89b_terseLabel_en-US" xlink:label="lab_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employer contributions</link:label>
    <link:label id="lab_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease (increase) in net defined benefit liability (asset) resulting from resulting from contributions to plan by employer</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssuedCapital_243abb7e-bd29-4f4c-8796-2d37422306f7_terseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital</link:label>
    <link:label id="lab_ifrs-full_IssuedCapital_label_en-US" xlink:label="lab_ifrs-full_IssuedCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IssuedCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapital" xlink:to="lab_ifrs-full_IssuedCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MarketExchangeRate_b35f1c69-568e-4a7c-a8da-5835725a155e_terseLabel_en-US" xlink:label="lab_bsac_MarketExchangeRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange rate</link:label>
    <link:label id="lab_bsac_MarketExchangeRate_label_en-US" xlink:label="lab_bsac_MarketExchangeRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Exchange Rate</link:label>
    <link:label id="lab_bsac_MarketExchangeRate_documentation_en-US" xlink:label="lab_bsac_MarketExchangeRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market exchange rate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MarketExchangeRate" xlink:href="bsac-20251231.xsd#bsac_MarketExchangeRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MarketExchangeRate" xlink:to="lab_bsac_MarketExchangeRate" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentForFeesAndCommissionsReceived_6c7d9521-a9d4-4471-8f3d-9e3249a909d3_terseLabel_en-US" xlink:label="lab_bsac_AdjustmentForFeesAndCommissionsReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fees and commissions received</link:label>
    <link:label id="lab_bsac_AdjustmentForFeesAndCommissionsReceived_label_en-US" xlink:label="lab_bsac_AdjustmentForFeesAndCommissionsReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment For Fees And Commissions Received</link:label>
    <link:label id="lab_bsac_AdjustmentForFeesAndCommissionsReceived_documentation_en-US" xlink:label="lab_bsac_AdjustmentForFeesAndCommissionsReceived" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustment for fees and commissions received.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentForFeesAndCommissionsReceived" xlink:href="bsac-20251231.xsd#bsac_AdjustmentForFeesAndCommissionsReceived"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentForFeesAndCommissionsReceived" xlink:to="lab_bsac_AdjustmentForFeesAndCommissionsReceived" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesIntangibleAssetsAndGoodwill_a9e19e82-79e1-42f2-9d7e-8f3225bbb41c_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through other changes, intangible assets and goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesIntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughOtherChangesIntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesIntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract_29268717-a655-4b88-9aea-6db67af4211a_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Attributable to:</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income attributable to [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtInstrumentsIssuedThatAreIncludedInInsurersRegulatoryCapital_c2089d1e-4efb-4462-8589-5a0dc723ea3f_terseLabel_en-US" xlink:label="lab_bsac_DebtInstrumentsIssuedThatAreIncludedInInsurersRegulatoryCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instruments issued and regulatory capital</link:label>
    <link:label id="lab_bsac_DebtInstrumentsIssuedThatAreIncludedInInsurersRegulatoryCapital_label_en-US" xlink:label="lab_bsac_DebtInstrumentsIssuedThatAreIncludedInInsurersRegulatoryCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instruments Issued That Are Included In Insurers Regulatory Capital</link:label>
    <link:label id="lab_bsac_DebtInstrumentsIssuedThatAreIncludedInInsurersRegulatoryCapital_documentation_en-US" xlink:label="lab_bsac_DebtInstrumentsIssuedThatAreIncludedInInsurersRegulatoryCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of debt instruments issued that are included in the insurer's regulatory capital.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtInstrumentsIssuedThatAreIncludedInInsurersRegulatoryCapital" xlink:href="bsac-20251231.xsd#bsac_DebtInstrumentsIssuedThatAreIncludedInInsurersRegulatoryCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtInstrumentsIssuedThatAreIncludedInInsurersRegulatoryCapital" xlink:to="lab_bsac_DebtInstrumentsIssuedThatAreIncludedInInsurersRegulatoryCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfIncomeFromInterestTable_e83206c2-de4d-4a08-8bc4-9f414a8b3e6d_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfIncomeFromInterestTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Income from Interest [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfIncomeFromInterestTable_label_en-US" xlink:label="lab_bsac_ScheduleOfIncomeFromInterestTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Income from Interest [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfIncomeFromInterestTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfIncomeFromInterestTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Income from Interest [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfIncomeFromInterestTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfIncomeFromInterestTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfIncomeFromInterestTable" xlink:to="lab_bsac_ScheduleOfIncomeFromInterestTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ItemsInCourseOfCollectionFromOtherBanks_3d7f070b-06be-490c-951f-da3bdb8ffe79_terseLabel_en-US" xlink:label="lab_ifrs-full_ItemsInCourseOfCollectionFromOtherBanks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash items in process of collection</link:label>
    <link:label id="lab_ifrs-full_ItemsInCourseOfCollectionFromOtherBanks_47efb8ff-58ca-4e00-b72b-ce716ebb69c6_totalLabel_en-US" xlink:label="lab_ifrs-full_ItemsInCourseOfCollectionFromOtherBanks" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_ifrs-full_ItemsInCourseOfCollectionFromOtherBanks_label_en-US" xlink:label="lab_ifrs-full_ItemsInCourseOfCollectionFromOtherBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Items in course of collection from other banks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ItemsInCourseOfCollectionFromOtherBanks" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ItemsInCourseOfCollectionFromOtherBanks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ItemsInCourseOfCollectionFromOtherBanks" xlink:to="lab_ifrs-full_ItemsInCourseOfCollectionFromOtherBanks" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustedWeightedAverageShares_400b1992-2a51-4eeb-a534-32ba08cdf10f_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjusted number of shares (in Shares)</link:label>
    <link:label id="lab_ifrs-full_AdjustedWeightedAverageShares_label_en-US" xlink:label="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average number of ordinary shares used in calculating diluted earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustedWeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustedWeightedAverageShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustedWeightedAverageShares" xlink:to="lab_ifrs-full_AdjustedWeightedAverageShares" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_StageTwoMember_6322785a-7696-4afd-954e-deb968d677f7_terseLabel_en-US" xlink:label="lab_bsac_StageTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stage 2</link:label>
    <link:label id="lab_bsac_StageTwoMember_label_en-US" xlink:label="lab_bsac_StageTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stage Two [Member]</link:label>
    <link:label id="lab_bsac_StageTwoMember_documentation_en-US" xlink:label="lab_bsac_StageTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stage Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_StageTwoMember" xlink:href="bsac-20251231.xsd#bsac_StageTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_StageTwoMember" xlink:to="lab_bsac_StageTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentLineItems_57f6c9ea-00f5-4122-852c-9b61bbeaee32_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Bank&#8217;s Debts, both Current and Non-Current [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Bank&#8217;s Debts, both Current and Non-Current [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Bank&#8217;s Debts, both Current and Non-Current [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentLineItems" xlink:to="lab_bsac_ScheduleOfBanksDebtsBothCurrentAndNonCurrentLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfActivityRegardingProvisionsLineItems_0e76d7c2-45f1-4b35-b871-fce272b38227_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfActivityRegardingProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Activity Regarding Provisions [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfActivityRegardingProvisionsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfActivityRegardingProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Activity Regarding Provisions [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfActivityRegardingProvisionsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfActivityRegardingProvisionsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Activity Regarding Provisions [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfActivityRegardingProvisionsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfActivityRegardingProvisionsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfActivityRegardingProvisionsLineItems" xlink:to="lab_bsac_ScheduleOfActivityRegardingProvisionsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ThirdPartyOperationsOfCollectionsSecuritiesHolds_f884c3b4-abf4-4af6-9d2d-914fa37c0982_terseLabel_en-US" xlink:label="lab_bsac_ThirdPartyOperationsOfCollectionsSecuritiesHolds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collections</link:label>
    <link:label id="lab_bsac_ThirdPartyOperationsOfCollectionsSecuritiesHolds_label_en-US" xlink:label="lab_bsac_ThirdPartyOperationsOfCollectionsSecuritiesHolds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Third Party Operations Of Collections Securities Holds</link:label>
    <link:label id="lab_bsac_ThirdPartyOperationsOfCollectionsSecuritiesHolds_documentation_en-US" xlink:label="lab_bsac_ThirdPartyOperationsOfCollectionsSecuritiesHolds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about third party operations of collections securities holds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ThirdPartyOperationsOfCollectionsSecuritiesHolds" xlink:href="bsac-20251231.xsd#bsac_ThirdPartyOperationsOfCollectionsSecuritiesHolds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ThirdPartyOperationsOfCollectionsSecuritiesHolds" xlink:to="lab_bsac_ThirdPartyOperationsOfCollectionsSecuritiesHolds" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MandatoryReserveDepositsAtCentralBanks_77b1d1b3-0800-4446-a3ee-bf822f5eb3b7_terseLabel_en-US" xlink:label="lab_ifrs-full_MandatoryReserveDepositsAtCentralBanks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits at the Central Bank of Chile</link:label>
    <link:label id="lab_ifrs-full_MandatoryReserveDepositsAtCentralBanks_label_en-US" xlink:label="lab_ifrs-full_MandatoryReserveDepositsAtCentralBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mandatory reserve deposits at central banks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MandatoryReserveDepositsAtCentralBanks" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MandatoryReserveDepositsAtCentralBanks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MandatoryReserveDepositsAtCentralBanks" xlink:to="lab_ifrs-full_MandatoryReserveDepositsAtCentralBanks" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss_37d6aa13-9b12-4a75-9d29-08929166a739_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment loss recognised in profit or loss</link:label>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment loss recognised in profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurrentBasisUsingUnobservedSignificantEntriesLevel3Table_73576f18-44cb-4e28-a7ef-c033dfa37ad4_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurrentBasisUsingUnobservedSignificantEntriesLevel3Table" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities Measured At Fair Value on a Recurrent Basis Using Unobserved Significant Entries (Level 3) [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurrentBasisUsingUnobservedSignificantEntriesLevel3Table_label_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurrentBasisUsingUnobservedSignificantEntriesLevel3Table" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities Measured At Fair Value on a Recurrent Basis Using Unobserved Significant Entries (Level 3) [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurrentBasisUsingUnobservedSignificantEntriesLevel3Table_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurrentBasisUsingUnobservedSignificantEntriesLevel3Table" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities Measured At Fair Value on a Recurrent Basis Using Unobserved Significant Entries (Level 3) [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurrentBasisUsingUnobservedSignificantEntriesLevel3Table" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurrentBasisUsingUnobservedSignificantEntriesLevel3Table"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurrentBasisUsingUnobservedSignificantEntriesLevel3Table" xlink:to="lab_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurrentBasisUsingUnobservedSignificantEntriesLevel3Table" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SubordinatedBonds1Member_05105c1e-8a70-4fcc-b2fd-edc0a006970e_terseLabel_en-US" xlink:label="lab_bsac_SubordinatedBonds1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subordinated bonds</link:label>
    <link:label id="lab_bsac_SubordinatedBonds1Member_label_en-US" xlink:label="lab_bsac_SubordinatedBonds1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subordinated Bonds1 [Member]</link:label>
    <link:label id="lab_bsac_SubordinatedBonds1Member_documentation_en-US" xlink:label="lab_bsac_SubordinatedBonds1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Subordinated Bonds1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubordinatedBonds1Member" xlink:href="bsac-20251231.xsd#bsac_SubordinatedBonds1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubordinatedBonds1Member" xlink:to="lab_bsac_SubordinatedBonds1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProcessingMember_6e5c8f02-8de1-40ca-80d8-13f9631fc3d6_terseLabel_en-US" xlink:label="lab_bsac_ProcessingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Process execution, delivery and management</link:label>
    <link:label id="lab_bsac_ProcessingMember_label_en-US" xlink:label="lab_bsac_ProcessingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Processing [Member]</link:label>
    <link:label id="lab_bsac_ProcessingMember_documentation_en-US" xlink:label="lab_bsac_ProcessingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Processing</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProcessingMember" xlink:href="bsac-20251231.xsd#bsac_ProcessingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProcessingMember" xlink:to="lab_bsac_ProcessingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PlacementOfPerpetualBondInterestRateAnnual_718405dc-861d-4f3f-96eb-9ef958cd596d_terseLabel_en-US" xlink:label="lab_bsac_PlacementOfPerpetualBondInterestRateAnnual" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Rate (Annual)</link:label>
    <link:label id="lab_bsac_PlacementOfPerpetualBondInterestRateAnnual_label_en-US" xlink:label="lab_bsac_PlacementOfPerpetualBondInterestRateAnnual" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Placement Of Perpetual Bond Interest Rate Annual</link:label>
    <link:label id="lab_bsac_PlacementOfPerpetualBondInterestRateAnnual_documentation_en-US" xlink:label="lab_bsac_PlacementOfPerpetualBondInterestRateAnnual" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest rate annual.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PlacementOfPerpetualBondInterestRateAnnual" xlink:href="bsac-20251231.xsd#bsac_PlacementOfPerpetualBondInterestRateAnnual"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PlacementOfPerpetualBondInterestRateAnnual" xlink:to="lab_bsac_PlacementOfPerpetualBondInterestRateAnnual" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_C6Member_d7c5fbe4-dd77-4efd-ba63-34d86469d082_terseLabel_en-US" xlink:label="lab_bsac_C6Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">C6</link:label>
    <link:label id="lab_bsac_C6Member_label_en-US" xlink:label="lab_bsac_C6Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">C6 [Member]</link:label>
    <link:label id="lab_bsac_C6Member_documentation_en-US" xlink:label="lab_bsac_C6Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">C6</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_C6Member" xlink:href="bsac-20251231.xsd#bsac_C6Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_C6Member" xlink:to="lab_bsac_C6Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedYieldOfInsuranceContracts_140f6a8c-901b-448f-bef1-41f66e18bf66_totalLabel_en-US" xlink:label="lab_bsac_ExpectedYieldOfInsuranceContracts" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_ExpectedYieldOfInsuranceContracts_label_en-US" xlink:label="lab_bsac_ExpectedYieldOfInsuranceContracts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Yield Of Insurance Contracts</link:label>
    <link:label id="lab_bsac_ExpectedYieldOfInsuranceContracts_documentation_en-US" xlink:label="lab_bsac_ExpectedYieldOfInsuranceContracts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about expected yield of insurance contracts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedYieldOfInsuranceContracts" xlink:href="bsac-20251231.xsd#bsac_ExpectedYieldOfInsuranceContracts"/>
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    <link:label id="lab_bsac_StockBrokersOnBehalfOfThirdPartiesMember_e04db981-5799-4799-ad9d-51a301cdcce3_terseLabel_en-US" xlink:label="lab_bsac_StockBrokersOnBehalfOfThirdPartiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock brokers on behalf of third parties</link:label>
    <link:label id="lab_bsac_StockBrokersOnBehalfOfThirdPartiesMember_label_en-US" xlink:label="lab_bsac_StockBrokersOnBehalfOfThirdPartiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Brokers On Behalf Of Third Parties [Member]</link:label>
    <link:label id="lab_bsac_StockBrokersOnBehalfOfThirdPartiesMember_documentation_en-US" xlink:label="lab_bsac_StockBrokersOnBehalfOfThirdPartiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Categories of related parties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_StockBrokersOnBehalfOfThirdPartiesMember" xlink:href="bsac-20251231.xsd#bsac_StockBrokersOnBehalfOfThirdPartiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_StockBrokersOnBehalfOfThirdPartiesMember" xlink:to="lab_bsac_StockBrokersOnBehalfOfThirdPartiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_70e2fbda-4d42-4eb0-af45-7ed0688790b6_totalLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total deferred tax assets</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_98a81e93-c27b-41d0-9ed5-a3b99e8140c1_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred taxes</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxAssets_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxAssets" xlink:to="lab_ifrs-full_DeferredTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProfitLossAttributableToOwnersOfParent1_183aa47f-8b42-4965-abc2-c47372e7e5bd_terseLabel_en-US" xlink:label="lab_bsac_ProfitLossAttributableToOwnersOfParent1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total attributable to the shareholders of the Bank (in Pesos)</link:label>
    <link:label id="lab_bsac_ProfitLossAttributableToOwnersOfParent1_label_en-US" xlink:label="lab_bsac_ProfitLossAttributableToOwnersOfParent1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit Loss Attributable To Owners Of Parent1</link:label>
    <link:label id="lab_bsac_ProfitLossAttributableToOwnersOfParent1_documentation_en-US" xlink:label="lab_bsac_ProfitLossAttributableToOwnersOfParent1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about profit loss attributable to owners of parent.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProfitLossAttributableToOwnersOfParent1" xlink:href="bsac-20251231.xsd#bsac_ProfitLossAttributableToOwnersOfParent1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProfitLossAttributableToOwnersOfParent1" xlink:to="lab_bsac_ProfitLossAttributableToOwnersOfParent1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfNotionalAmountOfTheHedgedTable_d9e3ba5a-2829-4469-b2ad-e2eadc749180_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfNotionalAmountOfTheHedgedTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Notional Amount of the Hedged [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfNotionalAmountOfTheHedgedTable_label_en-US" xlink:label="lab_bsac_ScheduleOfNotionalAmountOfTheHedgedTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Notional Amount of the Hedged [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfNotionalAmountOfTheHedgedTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfNotionalAmountOfTheHedgedTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Notional Amount of the Hedged [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfNotionalAmountOfTheHedgedTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfNotionalAmountOfTheHedgedTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfNotionalAmountOfTheHedgedTable" xlink:to="lab_bsac_ScheduleOfNotionalAmountOfTheHedgedTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RetailTradeRestaurantsAndHotelsMember_40974ebd-b4c2-4057-a760-5087c5303d17_terseLabel_en-US" xlink:label="lab_bsac_RetailTradeRestaurantsAndHotelsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retail trade, restaurants and hotels</link:label>
    <link:label id="lab_bsac_RetailTradeRestaurantsAndHotelsMember_label_en-US" xlink:label="lab_bsac_RetailTradeRestaurantsAndHotelsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retail Trade Restaurants And Hotels [Member]</link:label>
    <link:label id="lab_bsac_RetailTradeRestaurantsAndHotelsMember_documentation_en-US" xlink:label="lab_bsac_RetailTradeRestaurantsAndHotelsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Retail Trade Restaurants And Hotels</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RetailTradeRestaurantsAndHotelsMember" xlink:href="bsac-20251231.xsd#bsac_RetailTradeRestaurantsAndHotelsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RetailTradeRestaurantsAndHotelsMember" xlink:to="lab_bsac_RetailTradeRestaurantsAndHotelsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsDomain_36e1365e-015f-4be8-bc01-3372a95b62b5_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial assets [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OfficeBanking_1a09f8b3-f2b8-4dca-b2b8-ee3abc7ed5c7_terseLabel_en-US" xlink:label="lab_bsac_OfficeBanking" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Office banking</link:label>
    <link:label id="lab_bsac_OfficeBanking_label_en-US" xlink:label="lab_bsac_OfficeBanking" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Office Banking</link:label>
    <link:label id="lab_bsac_OfficeBanking_documentation_en-US" xlink:label="lab_bsac_OfficeBanking" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of income recognised from office banking.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OfficeBanking" xlink:href="bsac-20251231.xsd#bsac_OfficeBanking"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OfficeBanking" xlink:to="lab_bsac_OfficeBanking" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMacrohedgesTableTextBlock_bf4d308b-a13a-4b11-b98e-1efd5ecc754b_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMacrohedgesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Macro-Hedges</link:label>
    <link:label id="lab_bsac_ScheduleOfMacrohedgesTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfMacrohedgesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Macrohedges [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfMacrohedgesTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMacrohedgesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of macrohedges.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMacrohedgesTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMacrohedgesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfMacrohedgesTableTextBlock" xlink:to="lab_bsac_ScheduleOfMacrohedgesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NumberOfExecutives_b881a81c-f3b3-4722-8d9a-3746587a2d51_terseLabel_en-US" xlink:label="lab_bsac_NumberOfExecutives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total key personnel</link:label>
    <link:label id="lab_bsac_NumberOfExecutives_label_en-US" xlink:label="lab_bsac_NumberOfExecutives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Executives</link:label>
    <link:label id="lab_bsac_NumberOfExecutives_documentation_en-US" xlink:label="lab_bsac_NumberOfExecutives" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about number of executives.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NumberOfExecutives" xlink:href="bsac-20251231.xsd#bsac_NumberOfExecutives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NumberOfExecutives" xlink:to="lab_bsac_NumberOfExecutives" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_41b37023-f8b5-4f6d-aa8d-817304955dde_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Subtotals</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, before tax, financial assets measured at fair value through other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChileanCentralBankLoansMember_8412380d-6c01-449e-8c22-cde2016c7eb1_terseLabel_en-US" xlink:label="lab_bsac_ChileanCentralBankLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chilean Central Bank loans</link:label>
    <link:label id="lab_bsac_ChileanCentralBankLoansMember_label_en-US" xlink:label="lab_bsac_ChileanCentralBankLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chilean Central Bank Loans [Member]</link:label>
    <link:label id="lab_bsac_ChileanCentralBankLoansMember_documentation_en-US" xlink:label="lab_bsac_ChileanCentralBankLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chilean Central Bank Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChileanCentralBankLoansMember" xlink:href="bsac-20251231.xsd#bsac_ChileanCentralBankLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChileanCentralBankLoansMember" xlink:to="lab_bsac_ChileanCentralBankLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NumberOfHousingPortfolioTransactions_019bf8db-a8f2-7cdf-8fab-4ceb99e198cd_terseLabel_en-US" xlink:label="lab_bsac_NumberOfHousingPortfolioTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of housing portfolio transactions</link:label>
    <link:label id="lab_bsac_NumberOfHousingPortfolioTransactions_label_en-US" xlink:label="lab_bsac_NumberOfHousingPortfolioTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Housing Portfolio Transactions</link:label>
    <link:label id="lab_bsac_NumberOfHousingPortfolioTransactions_documentation_en-US" xlink:label="lab_bsac_NumberOfHousingPortfolioTransactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Housing Portfolio Transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NumberOfHousingPortfolioTransactions" xlink:href="bsac-20251231.xsd#bsac_NumberOfHousingPortfolioTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NumberOfHousingPortfolioTransactions" xlink:to="lab_bsac_NumberOfHousingPortfolioTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3Table_c2bf3db0-d839-4971-8f09-ec8a4fe6ae30_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3Table" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Instruments Classified As Level 3 [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3Table_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3Table" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Instruments Classified As Level 3 [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3Table_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3Table" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Instruments Classified As Level 3 [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3Table" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3Table"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3Table" xlink:to="lab_bsac_ScheduleOfFinancialInstrumentsClassifiedAsLevel3Table" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DepreciationRightOfUseAsset_350c4494-62a1-4ab3-8f97-2df39df86ef1_negatedTerseLabel_en-US" xlink:label="lab_bsac_DepreciationRightOfUseAsset" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Depreciation right of use assets</link:label>
    <link:label id="lab_bsac_DepreciationRightOfUseAsset_label_en-US" xlink:label="lab_bsac_DepreciationRightOfUseAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation Right Of Use Asset</link:label>
    <link:label id="lab_bsac_DepreciationRightOfUseAsset_documentation_en-US" xlink:label="lab_bsac_DepreciationRightOfUseAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Depreciation right of use assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DepreciationRightOfUseAsset" xlink:href="bsac-20251231.xsd#bsac_DepreciationRightOfUseAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DepreciationRightOfUseAsset" xlink:to="lab_bsac_DepreciationRightOfUseAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GuaranteesReceivedmarginAccountsinDollars_71a159dd-567d-4922-ad71-d7f5eb1fb02a_terseLabel_en-US" xlink:label="lab_bsac_GuaranteesReceivedmarginAccountsinDollars" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantees received (margin accounts)</link:label>
    <link:label id="lab_bsac_GuaranteesReceivedmarginAccountsinDollars_label_en-US" xlink:label="lab_bsac_GuaranteesReceivedmarginAccountsinDollars" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantees Receivedmargin Accountsin Dollars</link:label>
    <link:label id="lab_bsac_GuaranteesReceivedmarginAccountsinDollars_documentation_en-US" xlink:label="lab_bsac_GuaranteesReceivedmarginAccountsinDollars" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Guarantees received.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GuaranteesReceivedmarginAccountsinDollars" xlink:href="bsac-20251231.xsd#bsac_GuaranteesReceivedmarginAccountsinDollars"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GuaranteesReceivedmarginAccountsinDollars" xlink:to="lab_bsac_GuaranteesReceivedmarginAccountsinDollars" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember_bd3885bd-a3e7-4d4f-926b-8499d74bdc4c_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at FVTPL</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through profit or loss, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTax_202e32fb-09b1-42da-8d11-252bcf251236_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income, before taxes</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTax_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, before tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeBeforeTax" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AA13Member_db6d0d8c-a34a-471c-894e-182f21ccbd72_terseLabel_en-US" xlink:label="lab_bsac_AA13Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AA13</link:label>
    <link:label id="lab_bsac_AA13Member_label_en-US" xlink:label="lab_bsac_AA13Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AA13 [Member]</link:label>
    <link:label id="lab_bsac_AA13Member_documentation_en-US" xlink:label="lab_bsac_AA13Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">AA13</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AA13Member" xlink:href="bsac-20251231.xsd#bsac_AA13Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AA13Member" xlink:to="lab_bsac_AA13Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A7XBSTD230822Member_019bf9b5-c31c-7a52-b3b0-33e65ba06c67_terseLabel_en-US" xlink:label="lab_bsac_A7XBSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">7XBSTD230822</link:label>
    <link:label id="lab_bsac_A7XBSTD230822Member_label_en-US" xlink:label="lab_bsac_A7XBSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">7XBSTD230822 [Member]</link:label>
    <link:label id="lab_bsac_A7XBSTD230822Member_documentation_en-US" xlink:label="lab_bsac_A7XBSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">7XBSTD230822</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A7XBSTD230822Member" xlink:href="bsac-20251231.xsd#bsac_A7XBSTD230822Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A7XBSTD230822Member" xlink:to="lab_bsac_A7XBSTD230822Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod_ca8741b7-f15b-4751-90f6-f767f340d298_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest income and inflation</link:label>
    <link:label id="lab_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod_label_en-US" xlink:label="lab_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest revenue calculated using effective interest method</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" xlink:to="lab_ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SaleOfNonCurrentAssetsAbstract_289ae91e-4e0b-4670-9264-193576d66cde_terseLabel_en-US" xlink:label="lab_bsac_SaleOfNonCurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of non-current assets</link:label>
    <link:label id="lab_bsac_SaleOfNonCurrentAssetsAbstract_label_en-US" xlink:label="lab_bsac_SaleOfNonCurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale Of Non Current Assets Abstract</link:label>
    <link:label id="lab_bsac_SaleOfNonCurrentAssetsAbstract_documentation_en-US" xlink:label="lab_bsac_SaleOfNonCurrentAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sale Of Non Current Assets Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SaleOfNonCurrentAssetsAbstract" xlink:href="bsac-20251231.xsd#bsac_SaleOfNonCurrentAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SaleOfNonCurrentAssetsAbstract" xlink:to="lab_bsac_SaleOfNonCurrentAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RangeDomain_7888ba70-327a-4d85-a4ff-0c0a41dcbfc2_terseLabel_en-US" xlink:label="lab_ifrs-full_RangeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [domain]</link:label>
    <link:label id="lab_ifrs-full_RangeDomain_label_en-US" xlink:label="lab_ifrs-full_RangeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangeDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RangeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangeDomain" xlink:to="lab_ifrs-full_RangeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FactoringTransactionsMember_d450fa68-aeca-48ea-9d71-27f5dbae6888_verboseLabel_en-US" xlink:label="lab_bsac_FactoringTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Factoring transactions</link:label>
    <link:label id="lab_bsac_FactoringTransactionsMember_label_en-US" xlink:label="lab_bsac_FactoringTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Factoring Transactions [Member]</link:label>
    <link:label id="lab_bsac_FactoringTransactionsMember_documentation_en-US" xlink:label="lab_bsac_FactoringTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Factoring Transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FactoringTransactionsMember" xlink:href="bsac-20251231.xsd#bsac_FactoringTransactionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FactoringTransactionsMember" xlink:to="lab_bsac_FactoringTransactionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Between3And5YearsMember_6ac9b64f-4efc-4994-ba24-5c386ea95119_terseLabel_en-US" xlink:label="lab_bsac_Between3And5YearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Between 3 and 5 years</link:label>
    <link:label id="lab_bsac_Between3And5YearsMember_label_en-US" xlink:label="lab_bsac_Between3And5YearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Between3 And5 Years [Member]</link:label>
    <link:label id="lab_bsac_Between3And5YearsMember_documentation_en-US" xlink:label="lab_bsac_Between3And5YearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Between3 And5 Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Between3And5YearsMember" xlink:href="bsac-20251231.xsd#bsac_Between3And5YearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Between3And5YearsMember" xlink:to="lab_bsac_Between3And5YearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DividendPerShare_1c52b55a-8901-40d7-9445-69ca379873e3_terseLabel_en-US" xlink:label="lab_bsac_DividendPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividend per share (in Pesos per share)</link:label>
    <link:label id="lab_bsac_DividendPerShare_label_en-US" xlink:label="lab_bsac_DividendPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividend Per Share</link:label>
    <link:label id="lab_bsac_DividendPerShare_documentation_en-US" xlink:label="lab_bsac_DividendPerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of dividends paid per ordinary share.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DividendPerShare" xlink:href="bsac-20251231.xsd#bsac_DividendPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DividendPerShare" xlink:to="lab_bsac_DividendPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CoreCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements_76d79022-d70e-4e94-b476-5f0bc7a513ad_terseLabel_en-US" xlink:label="lab_bsac_CoreCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Core Capital indicator that the bank must meet, considering the minimum requirements</link:label>
    <link:label id="lab_bsac_CoreCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements_label_en-US" xlink:label="lab_bsac_CoreCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Core Capital Indicator That The Bank Must Meet, Considering The Minimum Requirements</link:label>
    <link:label id="lab_bsac_CoreCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements_documentation_en-US" xlink:label="lab_bsac_CoreCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of basic capital indicator that the bank must meet, considering the minimum requirements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CoreCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:href="bsac-20251231.xsd#bsac_CoreCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CoreCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:to="lab_bsac_CoreCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RelatedPartyTransactionsAbstract_046a47bc-a88b-469c-8efd-50351e34ea52_terseLabel_en-US" xlink:label="lab_ifrs-full_RelatedPartyTransactionsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related party transactions [abstract]</link:label>
    <link:label id="lab_ifrs-full_RelatedPartyTransactionsAbstract_label_en-US" xlink:label="lab_ifrs-full_RelatedPartyTransactionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related party transactions [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RelatedPartyTransactionsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RelatedPartyTransactionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RelatedPartyTransactionsAbstract" xlink:to="lab_ifrs-full_RelatedPartyTransactionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterBankBorrowingsCategoryMember_3b5ba499-8194-4490-a779-e3208aadda5e_terseLabel_en-US" xlink:label="lab_bsac_InterBankBorrowingsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interbank borrowings</link:label>
    <link:label id="lab_bsac_InterBankBorrowingsCategoryMember_label_en-US" xlink:label="lab_bsac_InterBankBorrowingsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inter Bank Borrowings Category [Member]</link:label>
    <link:label id="lab_bsac_InterBankBorrowingsCategoryMember_documentation_en-US" xlink:label="lab_bsac_InterBankBorrowingsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Classes of assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterBankBorrowingsCategoryMember" xlink:href="bsac-20251231.xsd#bsac_InterBankBorrowingsCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterBankBorrowingsCategoryMember" xlink:to="lab_bsac_InterBankBorrowingsCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_514bc48e-21ff-4f89-b14d-11087f9f6d84_terseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic earnings (in Pesos per share)</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShare_label_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basic earnings (loss) per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicEarningsLossPerShare" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BasicEarningsLossPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicEarningsLossPerShare" xlink:to="lab_ifrs-full_BasicEarningsLossPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialDerivativeContractsAxis_29892e54-2ead-46c3-9d12-4cd2996b1174_terseLabel_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial derivative contracts [Axis]</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsAxis_label_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts [Axis]</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsAxis_documentation_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialDerivativeContractsAxis" xlink:href="bsac-20251231.xsd#bsac_FinancialDerivativeContractsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialDerivativeContractsAxis" xlink:to="lab_bsac_FinancialDerivativeContractsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PersonalGuaranteesLoan_0e4800a6-bad6-4fe1-bbeb-57736c22ddc3_terseLabel_en-US" xlink:label="lab_bsac_PersonalGuaranteesLoan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Personal guarantees</link:label>
    <link:label id="lab_bsac_PersonalGuaranteesLoan_label_en-US" xlink:label="lab_bsac_PersonalGuaranteesLoan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Personal Guarantees Loan</link:label>
    <link:label id="lab_bsac_PersonalGuaranteesLoan_documentation_en-US" xlink:label="lab_bsac_PersonalGuaranteesLoan" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Personal Guarantees Loan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PersonalGuaranteesLoan" xlink:href="bsac-20251231.xsd#bsac_PersonalGuaranteesLoan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PersonalGuaranteesLoan" xlink:to="lab_bsac_PersonalGuaranteesLoan" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Term_51ad4290-aedc-4006-b2c3-4264d8e07029_terseLabel_en-US" xlink:label="lab_bsac_Term" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term (years)</link:label>
    <link:label id="lab_bsac_Term_label_en-US" xlink:label="lab_bsac_Term" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Term</link:label>
    <link:label id="lab_bsac_Term_documentation_en-US" xlink:label="lab_bsac_Term" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Term</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Term" xlink:href="bsac-20251231.xsd#bsac_Term"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Term" xlink:to="lab_bsac_Term" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract_61d96652-b754-4609-9f4f-ed793b5c9262_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD2110241Member_019bf99d-c062-711f-9598-2da1aeb25172_terseLabel_en-US" xlink:label="lab_bsac_BSTD2110241Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD211024</link:label>
    <link:label id="lab_bsac_BSTD2110241Member_label_en-US" xlink:label="lab_bsac_BSTD2110241Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD211024-1 [Member]</link:label>
    <link:label id="lab_bsac_BSTD2110241Member_documentation_en-US" xlink:label="lab_bsac_BSTD2110241Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD211024-1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD2110241Member" xlink:href="bsac-20251231.xsd#bsac_BSTD2110241Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD2110241Member" xlink:to="lab_bsac_BSTD2110241Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfAccumulatedAmortizationTableExplanatoryTableTextBlock_dac47678-1d09-4d31-9ffe-b0fa860429df_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfAccumulatedAmortizationTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Accumulated Amortization</link:label>
    <link:label id="lab_bsac_DisclosureOfAccumulatedAmortizationTableExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfAccumulatedAmortizationTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Accumulated Amortization Table Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfAccumulatedAmortizationTableExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfAccumulatedAmortizationTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of accumulated amortization.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfAccumulatedAmortizationTableExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfAccumulatedAmortizationTableExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfAccumulatedAmortizationTableExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfAccumulatedAmortizationTableExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsLineItems_66d54511-23e8-4153-a871-837aebfa2034_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Significant Actuarial Hypotheses Assumptions [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Significant Actuarial Hypotheses Assumptions [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Significant Actuarial Hypotheses Assumptions [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsLineItems" xlink:to="lab_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTDA610223Member_019bf9ac-5533-7405-bee4-0d4de7a73a23_terseLabel_en-US" xlink:label="lab_bsac_BSTDA610223Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTDA61022</link:label>
    <link:label id="lab_bsac_BSTDA610223Member_label_en-US" xlink:label="lab_bsac_BSTDA610223Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTDA61022-3 [Member]</link:label>
    <link:label id="lab_bsac_BSTDA610223Member_documentation_en-US" xlink:label="lab_bsac_BSTDA610223Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTDA61022-3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTDA610223Member" xlink:href="bsac-20251231.xsd#bsac_BSTDA610223Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTDA610223Member" xlink:to="lab_bsac_BSTDA610223Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfContractualObligationsTableTextBlock_877506f8-45bb-446d-aaee-a0fa14e656c5_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfContractualObligationsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Bank&#8217;s Contractual Obligations</link:label>
    <link:label id="lab_bsac_ScheduleOfContractualObligationsTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfContractualObligationsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Contractual Obligations [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfContractualObligationsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfContractualObligationsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Contractual Obligations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfContractualObligationsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfContractualObligationsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfContractualObligationsTableTextBlock" xlink:to="lab_bsac_ScheduleOfContractualObligationsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AA14Member_8dc057ec-b85d-4d4a-9277-2315eba3e699_terseLabel_en-US" xlink:label="lab_bsac_AA14Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AA14</link:label>
    <link:label id="lab_bsac_AA14Member_label_en-US" xlink:label="lab_bsac_AA14Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AA14 [Member]</link:label>
    <link:label id="lab_bsac_AA14Member_documentation_en-US" xlink:label="lab_bsac_AA14Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">AA14</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AA14Member" xlink:href="bsac-20251231.xsd#bsac_AA14Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AA14Member" xlink:to="lab_bsac_AA14Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MaximumCollectionPeriod_874a0ef6-3812-44b1-9778-26211821d5de_terseLabel_en-US" xlink:label="lab_bsac_MaximumCollectionPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term</link:label>
    <link:label id="lab_bsac_MaximumCollectionPeriod_label_en-US" xlink:label="lab_bsac_MaximumCollectionPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Collection Period</link:label>
    <link:label id="lab_bsac_MaximumCollectionPeriod_documentation_en-US" xlink:label="lab_bsac_MaximumCollectionPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about the term of loan.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MaximumCollectionPeriod" xlink:href="bsac-20251231.xsd#bsac_MaximumCollectionPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MaximumCollectionPeriod" xlink:to="lab_bsac_MaximumCollectionPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SwapsMember_45ef5571-68b9-4f4b-a79f-d7068f428c63_terseLabel_en-US" xlink:label="lab_bsac_SwapsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swaps</link:label>
    <link:label id="lab_bsac_SwapsMember_label_en-US" xlink:label="lab_bsac_SwapsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swaps [Member]</link:label>
    <link:label id="lab_bsac_SwapsMember_documentation_en-US" xlink:label="lab_bsac_SwapsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Swaps</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SwapsMember" xlink:href="bsac-20251231.xsd#bsac_SwapsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SwapsMember" xlink:to="lab_bsac_SwapsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances_afe867f5-f1bd-48a5-a191-ff23656a9bbc_negatedLabel_en-US" xlink:label="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Write-off</link:label>
    <link:label id="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances_label_en-US" xlink:label="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease Through Writeoff Expected Credit Losses Allowances</link:label>
    <link:label id="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances_documentation_en-US" xlink:label="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Decrease through write-off, expected credit losses allowances.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances" xlink:href="bsac-20251231.xsd#bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances" xlink:to="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk_bcae6a7b-21dd-4289-b02d-bc7256f23bce_terseLabel_en-US" xlink:label="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of High, Low and Average Levels</link:label>
    <link:label id="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk_label_en-US" xlink:label="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity analysis for types of market risk [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:to="lab_ifrs-full_SensitivityAnalysisForEachTypeOfMarketRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory_3e67f13e-f52d-4680-a73c-e643fad54a9a_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reporting segments</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for segment reporting [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForSegmentReportingExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ForeignCurrencyInvestmentsMember_c7b0cd83-0d04-4527-a2a2-ee2fd75213ee_terseLabel_en-US" xlink:label="lab_bsac_ForeignCurrencyInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency investments</link:label>
    <link:label id="lab_bsac_ForeignCurrencyInvestmentsMember_label_en-US" xlink:label="lab_bsac_ForeignCurrencyInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Currency Investments [Member]</link:label>
    <link:label id="lab_bsac_ForeignCurrencyInvestmentsMember_documentation_en-US" xlink:label="lab_bsac_ForeignCurrencyInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Classes of financial instruments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ForeignCurrencyInvestmentsMember" xlink:href="bsac-20251231.xsd#bsac_ForeignCurrencyInvestmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ForeignCurrencyInvestmentsMember" xlink:to="lab_bsac_ForeignCurrencyInvestmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralLineItems_8eff10cb-531d-4723-8e46-e689cec3c129_terseLabel_en-US" xlink:label="lab_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of Financial Assets and Associated Collateral [Line Items]</link:label>
    <link:label id="lab_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralLineItems_label_en-US" xlink:label="lab_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of Financial Assets and Associated Collateral [Line Items]</link:label>
    <link:label id="lab_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralLineItems_documentation_en-US" xlink:label="lab_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of Financial Assets and Associated Collateral [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralLineItems" xlink:href="bsac-20251231.xsd#bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralLineItems" xlink:to="lab_bsac_RiskManagementDetailsScheduleofFinancialAssetsandAssociatedCollateralLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProportionOfOwnershipInterestInAssociates_410fbc19-f199-4f08-bb88-a9ccea99e28c_terseLabel_en-US" xlink:label="lab_bsac_ProportionOfOwnershipInterestInAssociates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ownership interest</link:label>
    <link:label id="lab_bsac_ProportionOfOwnershipInterestInAssociates_label_en-US" xlink:label="lab_bsac_ProportionOfOwnershipInterestInAssociates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion Of Ownership Interest In Associates</link:label>
    <link:label id="lab_bsac_ProportionOfOwnershipInterestInAssociates_documentation_en-US" xlink:label="lab_bsac_ProportionOfOwnershipInterestInAssociates" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The proportion of ownership interest in an associate attributable to the entity. [Refer: Associates [member]]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProportionOfOwnershipInterestInAssociates" xlink:href="bsac-20251231.xsd#bsac_ProportionOfOwnershipInterestInAssociates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProportionOfOwnershipInterestInAssociates" xlink:to="lab_bsac_ProportionOfOwnershipInterestInAssociates" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities_019c5380-a501-7ca3-bcdb-7c7a4cfc8cf6_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Changes</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through changes in fair values, liabilities arising from financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_QuantitativeCriteriaCorporateLoansMiddleMarket_20c29389-d8a1-4708-bb7d-ff1b169e1222_terseLabel_en-US" xlink:label="lab_bsac_QuantitativeCriteriaCorporateLoansMiddleMarket" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Corporate loans, Middle market</link:label>
    <link:label id="lab_bsac_QuantitativeCriteriaCorporateLoansMiddleMarket_label_en-US" xlink:label="lab_bsac_QuantitativeCriteriaCorporateLoansMiddleMarket" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Quantitative Criteria Corporate Loans Middle Market</link:label>
    <link:label id="lab_bsac_QuantitativeCriteriaCorporateLoansMiddleMarket_documentation_en-US" xlink:label="lab_bsac_QuantitativeCriteriaCorporateLoansMiddleMarket" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Quantitative Criteria Corporate Loans Middle Market</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_QuantitativeCriteriaCorporateLoansMiddleMarket" xlink:href="bsac-20251231.xsd#bsac_QuantitativeCriteriaCorporateLoansMiddleMarket"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_QuantitativeCriteriaCorporateLoansMiddleMarket" xlink:to="lab_bsac_QuantitativeCriteriaCorporateLoansMiddleMarket" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossContingentLoans_3c12393b-c0e0-4a68-b49e-fb15dbd39133_negatedTerseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossContingentLoans" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Contingent loans</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossContingentLoans_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossContingentLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Loss Contingent Loans</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossContingentLoans_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossContingentLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossContingentLoans" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossContingentLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossContingentLoans" xlink:to="lab_bsac_ExpectedCreditLossContingentLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LongTermExposureToInterestRateRisk1_8522511f-5547-4228-8a70-a4dace7592b5_terseLabel_en-US" xlink:label="lab_bsac_LongTermExposureToInterestRateRisk1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long Term Exposure to Interest Rate Risk</link:label>
    <link:label id="lab_bsac_LongTermExposureToInterestRateRisk1_label_en-US" xlink:label="lab_bsac_LongTermExposureToInterestRateRisk1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Term Exposure To Interest Rate Risk1</link:label>
    <link:label id="lab_bsac_LongTermExposureToInterestRateRisk1_documentation_en-US" xlink:label="lab_bsac_LongTermExposureToInterestRateRisk1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Long term exposure to interest rate risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LongTermExposureToInterestRateRisk1" xlink:href="bsac-20251231.xsd#bsac_LongTermExposureToInterestRateRisk1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LongTermExposureToInterestRateRisk1" xlink:to="lab_bsac_LongTermExposureToInterestRateRisk1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedYieldOfInsuranceContractsOther_0fb2723f-4d87-4459-a5f6-5f481c8db91c_terseLabel_en-US" xlink:label="lab_bsac_ExpectedYieldOfInsuranceContractsOther" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_bsac_ExpectedYieldOfInsuranceContractsOther_label_en-US" xlink:label="lab_bsac_ExpectedYieldOfInsuranceContractsOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Yield Of Insurance Contracts Other</link:label>
    <link:label id="lab_bsac_ExpectedYieldOfInsuranceContractsOther_documentation_en-US" xlink:label="lab_bsac_ExpectedYieldOfInsuranceContractsOther" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about expected yield of insurance contracts other.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedYieldOfInsuranceContractsOther" xlink:href="bsac-20251231.xsd#bsac_ExpectedYieldOfInsuranceContractsOther"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedYieldOfInsuranceContractsOther" xlink:to="lab_bsac_ExpectedYieldOfInsuranceContractsOther" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChileanCentralBankInterestRatesMember_2f8f5695-04b0-42e3-849a-3fcd0df56491_terseLabel_en-US" xlink:label="lab_bsac_ChileanCentralBankInterestRatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chilean Central Bank interest rates</link:label>
    <link:label id="lab_bsac_ChileanCentralBankInterestRatesMember_label_en-US" xlink:label="lab_bsac_ChileanCentralBankInterestRatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chilean Central Bank Interest Rates [Member]</link:label>
    <link:label id="lab_bsac_ChileanCentralBankInterestRatesMember_documentation_en-US" xlink:label="lab_bsac_ChileanCentralBankInterestRatesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chilean Central Bank Interest Rates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChileanCentralBankInterestRatesMember" xlink:href="bsac-20251231.xsd#bsac_ChileanCentralBankInterestRatesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChileanCentralBankInterestRatesMember" xlink:to="lab_bsac_ChileanCentralBankInterestRatesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankOfChinaMember_6883aaa9-323b-4141-8eea-e7672807e3cf_terseLabel_en-US" xlink:label="lab_bsac_BankOfChinaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank Of China</link:label>
    <link:label id="lab_bsac_BankOfChinaMember_label_en-US" xlink:label="lab_bsac_BankOfChinaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Of China [Member]</link:label>
    <link:label id="lab_bsac_BankOfChinaMember_documentation_en-US" xlink:label="lab_bsac_BankOfChinaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bank Of China</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankOfChinaMember" xlink:href="bsac-20251231.xsd#bsac_BankOfChinaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankOfChinaMember" xlink:to="lab_bsac_BankOfChinaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment_48735567-20eb-4e13-88c7-174bf035fe13_negatedLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Net gain on sale of property, plant and equipment</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for gain (loss) on disposals, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_AdjustmentsForGainLossOnDisposalsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionForMandatoryDividendsAmount_2a37d60c-93d8-4bb7-91d9-8b72b7c5bb72_negatedTerseLabel_en-US" xlink:label="lab_bsac_ProvisionForMandatoryDividendsAmount" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Provision for mandatory dividends</link:label>
    <link:label id="lab_bsac_ProvisionForMandatoryDividendsAmount_label_en-US" xlink:label="lab_bsac_ProvisionForMandatoryDividendsAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision For Mandatory Dividends Amount</link:label>
    <link:label id="lab_bsac_ProvisionForMandatoryDividendsAmount_documentation_en-US" xlink:label="lab_bsac_ProvisionForMandatoryDividendsAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision for mandatory dividends.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionForMandatoryDividendsAmount" xlink:href="bsac-20251231.xsd#bsac_ProvisionForMandatoryDividendsAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionForMandatoryDividendsAmount" xlink:to="lab_bsac_ProvisionForMandatoryDividendsAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutSeniorBondsByCurrencyExplanatoryTableTextBlock_d84c3e72-5ffd-4739-b457-23c38917ca30_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutSeniorBondsByCurrencyExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Senior Bonds by Currency</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutSeniorBondsByCurrencyExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutSeniorBondsByCurrencyExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Senior Bonds By Currency Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutSeniorBondsByCurrencyExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutSeniorBondsByCurrencyExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about senior bonds by currency.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutSeniorBondsByCurrencyExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutSeniorBondsByCurrencyExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutSeniorBondsByCurrencyExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutSeniorBondsByCurrencyExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommitmentsForDefinedBenefitPlansAbstract_3c7f4691-c457-41eb-b881-5470cc2a002a_terseLabel_en-US" xlink:label="lab_bsac_CommitmentsForDefinedBenefitPlansAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments for defined-benefit plans</link:label>
    <link:label id="lab_bsac_CommitmentsForDefinedBenefitPlansAbstract_label_en-US" xlink:label="lab_bsac_CommitmentsForDefinedBenefitPlansAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments For Defined Benefit Plans Abstract</link:label>
    <link:label id="lab_bsac_CommitmentsForDefinedBenefitPlansAbstract_documentation_en-US" xlink:label="lab_bsac_CommitmentsForDefinedBenefitPlansAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commitments For Defined Benefit Plans Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommitmentsForDefinedBenefitPlansAbstract" xlink:href="bsac-20251231.xsd#bsac_CommitmentsForDefinedBenefitPlansAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommitmentsForDefinedBenefitPlansAbstract" xlink:to="lab_bsac_CommitmentsForDefinedBenefitPlansAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTableTextBlock_25477bdc-6dec-4264-a3bd-441ca94be1eb_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets for Trading at Fair Value through Profit and Loss</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Financial Assets For Trading At Fair Value Through Profit And Loss [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of financial assets for trading at fair value through profit and loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTableTextBlock" xlink:to="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RestructuringProvisionMember_ccb34046-7ff6-4993-bfe8-7bc10b3287e0_terseLabel_en-US" xlink:label="lab_ifrs-full_RestructuringProvisionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions for restructuring plans</link:label>
    <link:label id="lab_ifrs-full_RestructuringProvisionMember_label_en-US" xlink:label="lab_ifrs-full_RestructuringProvisionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restructuring provision [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RestructuringProvisionMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RestructuringProvisionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RestructuringProvisionMember" xlink:to="lab_ifrs-full_RestructuringProvisionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CurrentPeriodServiceExpenses_918f4108-2260-4c45-8dc8-67fc7a7f5603_terseLabel_en-US" xlink:label="lab_bsac_CurrentPeriodServiceExpenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current period service expenses</link:label>
    <link:label id="lab_bsac_CurrentPeriodServiceExpenses_label_en-US" xlink:label="lab_bsac_CurrentPeriodServiceExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Period Service Expenses</link:label>
    <link:label id="lab_bsac_CurrentPeriodServiceExpenses_documentation_en-US" xlink:label="lab_bsac_CurrentPeriodServiceExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in the net defined benefit liability (asset) resulting from employee service in the current period. [Refer: Net defined benefit liability (asset)]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CurrentPeriodServiceExpenses" xlink:href="bsac-20251231.xsd#bsac_CurrentPeriodServiceExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CurrentPeriodServiceExpenses" xlink:to="lab_bsac_CurrentPeriodServiceExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DividendsPaidMember_c2494904-18c4-43bd-8355-c06b2180a196_terseLabel_en-US" xlink:label="lab_bsac_DividendsPaidMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividend paid</link:label>
    <link:label id="lab_bsac_DividendsPaidMember_label_en-US" xlink:label="lab_bsac_DividendsPaidMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends Paid [Member]</link:label>
    <link:label id="lab_bsac_DividendsPaidMember_documentation_en-US" xlink:label="lab_bsac_DividendsPaidMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Dividends Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DividendsPaidMember" xlink:href="bsac-20251231.xsd#bsac_DividendsPaidMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DividendsPaidMember" xlink:to="lab_bsac_DividendsPaidMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LloydsBankPlcMember_6e8f28aa-d1c9-490f-8d81-b86ab183f35f_terseLabel_en-US" xlink:label="lab_bsac_LloydsBankPlcMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lloyds Bank Plc</link:label>
    <link:label id="lab_bsac_LloydsBankPlcMember_label_en-US" xlink:label="lab_bsac_LloydsBankPlcMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lloyds Bank Plc [Member]</link:label>
    <link:label id="lab_bsac_LloydsBankPlcMember_documentation_en-US" xlink:label="lab_bsac_LloydsBankPlcMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lloyds Bank Plc</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LloydsBankPlcMember" xlink:href="bsac-20251231.xsd#bsac_LloydsBankPlcMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LloydsBankPlcMember" xlink:to="lab_bsac_LloydsBankPlcMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SalesPurchasesIssuancesAndLoansNetLiabilities_9364e52c-5a02-4369-98d7-fa1b5b8803d3_terseLabel_en-US" xlink:label="lab_bsac_SalesPurchasesIssuancesAndLoansNetLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchases, issuances, and loans (net)</link:label>
    <link:label id="lab_bsac_SalesPurchasesIssuancesAndLoansNetLiabilities_label_en-US" xlink:label="lab_bsac_SalesPurchasesIssuancesAndLoansNetLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales, Purchases, Issuances, And Loans (Net), Liabilities</link:label>
    <link:label id="lab_bsac_SalesPurchasesIssuancesAndLoansNetLiabilities_documentation_en-US" xlink:label="lab_bsac_SalesPurchasesIssuancesAndLoansNetLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sales, Purchases, Issuances, And Loans (Net), Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SalesPurchasesIssuancesAndLoansNetLiabilities" xlink:href="bsac-20251231.xsd#bsac_SalesPurchasesIssuancesAndLoansNetLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SalesPurchasesIssuancesAndLoansNetLiabilities" xlink:to="lab_bsac_SalesPurchasesIssuancesAndLoansNetLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtInstrumentsHeldMember_019c57cb-5572-7034-9ea0-2dceda722655_terseLabel_en-US" xlink:label="lab_bsac_DebtInstrumentsHeldMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instruments Held</link:label>
    <link:label id="lab_bsac_DebtInstrumentsHeldMember_label_en-US" xlink:label="lab_bsac_DebtInstrumentsHeldMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instruments Held [Member]</link:label>
    <link:label id="lab_bsac_DebtInstrumentsHeldMember_documentation_en-US" xlink:label="lab_bsac_DebtInstrumentsHeldMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instruments Held</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtInstrumentsHeldMember" xlink:href="bsac-20251231.xsd#bsac_DebtInstrumentsHeldMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtInstrumentsHeldMember" xlink:to="lab_bsac_DebtInstrumentsHeldMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionEquivalentPercentage_30babb28-00ad-4c04-b302-93ef5862f043_terseLabel_en-US" xlink:label="lab_bsac_ProvisionEquivalentPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Portfolios percentage</link:label>
    <link:label id="lab_bsac_ProvisionEquivalentPercentage_label_en-US" xlink:label="lab_bsac_ProvisionEquivalentPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision Equivalent Percentage</link:label>
    <link:label id="lab_bsac_ProvisionEquivalentPercentage_documentation_en-US" xlink:label="lab_bsac_ProvisionEquivalentPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision equivalent percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionEquivalentPercentage" xlink:href="bsac-20251231.xsd#bsac_ProvisionEquivalentPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionEquivalentPercentage" xlink:to="lab_bsac_ProvisionEquivalentPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CentroDeCompensacionAutomatizadoS.A.ChileAssociatedDerivativesClearingMonthlyMember_019b9f64-bbc0-76ce-82bd-2e07a76134c5_terseLabel_en-US" xlink:label="lab_bsac_CentroDeCompensacionAutomatizadoS.A.ChileAssociatedDerivativesClearingMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Centro de Compensaci&#243;n Automatizado S.A.| Chile| Associated| Derivatives clearing| Monthly</link:label>
    <link:label id="lab_bsac_CentroDeCompensacionAutomatizadoS.A.ChileAssociatedDerivativesClearingMonthlyMember_label_en-US" xlink:label="lab_bsac_CentroDeCompensacionAutomatizadoS.A.ChileAssociatedDerivativesClearingMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Centro de Compensaci&#243;n Automatizado S.A.| Chile| Associated| Derivatives clearing| Monthly [Member]</link:label>
    <link:label id="lab_bsac_CentroDeCompensacionAutomatizadoS.A.ChileAssociatedDerivativesClearingMonthlyMember_documentation_en-US" xlink:label="lab_bsac_CentroDeCompensacionAutomatizadoS.A.ChileAssociatedDerivativesClearingMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Centro de Compensaci&#243;n Automatizado S.A.| Chile| Associated| Derivatives clearing| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CentroDeCompensacionAutomatizadoS.A.ChileAssociatedDerivativesClearingMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_CentroDeCompensacionAutomatizadoS.A.ChileAssociatedDerivativesClearingMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CentroDeCompensacionAutomatizadoS.A.ChileAssociatedDerivativesClearingMonthlyMember" xlink:to="lab_bsac_CentroDeCompensacionAutomatizadoS.A.ChileAssociatedDerivativesClearingMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable_5ed752e0-eb38-4733-85af-4e9a70f30b6a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of attribution of expenses by nature to their function [table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of attribution of expenses by nature to their function [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:to="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfNetLossesFromOperationalRisksLineItems_77d53b66-2267-4013-82df-82b81e4798ed_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfNetLossesFromOperationalRisksLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Net Losses from Operational Risks [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfNetLossesFromOperationalRisksLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfNetLossesFromOperationalRisksLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Net Losses from Operational Risks [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfNetLossesFromOperationalRisksLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfNetLossesFromOperationalRisksLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Net Losses from Operational Risks [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfNetLossesFromOperationalRisksLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfNetLossesFromOperationalRisksLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfNetLossesFromOperationalRisksLineItems" xlink:to="lab_bsac_ScheduleOfNetLossesFromOperationalRisksLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SegmentReportingFinancialInstitutionsAssetThreshold_d82ba414-be03-4480-8c9d-44c8c246a835_terseLabel_en-US" xlink:label="lab_bsac_SegmentReportingFinancialInstitutionsAssetThreshold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment reporting, financial institutions, asset threshold</link:label>
    <link:label id="lab_bsac_SegmentReportingFinancialInstitutionsAssetThreshold_label_en-US" xlink:label="lab_bsac_SegmentReportingFinancialInstitutionsAssetThreshold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting, Financial Institutions, Asset Threshold</link:label>
    <link:label id="lab_bsac_SegmentReportingFinancialInstitutionsAssetThreshold_documentation_en-US" xlink:label="lab_bsac_SegmentReportingFinancialInstitutionsAssetThreshold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Segment Reporting, Financial Institutions, Asset Threshold</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SegmentReportingFinancialInstitutionsAssetThreshold" xlink:href="bsac-20251231.xsd#bsac_SegmentReportingFinancialInstitutionsAssetThreshold"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SegmentReportingFinancialInstitutionsAssetThreshold" xlink:to="lab_bsac_SegmentReportingFinancialInstitutionsAssetThreshold" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RiskWeightedAssetsAfterApplyingTheOutputFloorRWA_32b8a647-1e4e-4556-b146-19449bd7c412_totalLabel_en-US" xlink:label="lab_bsac_RiskWeightedAssetsAfterApplyingTheOutputFloorRWA" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">= (8.a/8.b+9+10) Risk-weighted assets, after applying the output floor (RWA)</link:label>
    <link:label id="lab_bsac_RiskWeightedAssetsAfterApplyingTheOutputFloorRWA_label_en-US" xlink:label="lab_bsac_RiskWeightedAssetsAfterApplyingTheOutputFloorRWA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Weighted Assets After Applying The Output Floor RWA</link:label>
    <link:label id="lab_bsac_RiskWeightedAssetsAfterApplyingTheOutputFloorRWA_documentation_en-US" xlink:label="lab_bsac_RiskWeightedAssetsAfterApplyingTheOutputFloorRWA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of risk-weighted assets, after applying the output floor (RWA).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RiskWeightedAssetsAfterApplyingTheOutputFloorRWA" xlink:href="bsac-20251231.xsd#bsac_RiskWeightedAssetsAfterApplyingTheOutputFloorRWA"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RiskWeightedAssetsAfterApplyingTheOutputFloorRWA" xlink:to="lab_bsac_RiskWeightedAssetsAfterApplyingTheOutputFloorRWA" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalAttributableToShareholdersOfTheBank_b462ca73-7e6f-452a-aa43-e1b51deb530f_terseLabel_en-US" xlink:label="lab_bsac_TotalAttributableToShareholdersOfTheBank" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total attributable to shareholders of the Bank</link:label>
    <link:label id="lab_bsac_TotalAttributableToShareholdersOfTheBank_label_en-US" xlink:label="lab_bsac_TotalAttributableToShareholdersOfTheBank" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Attributable To Shareholders Of The Bank</link:label>
    <link:label id="lab_bsac_TotalAttributableToShareholdersOfTheBank_documentation_en-US" xlink:label="lab_bsac_TotalAttributableToShareholdersOfTheBank" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about total attributable to equity holders of bank.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalAttributableToShareholdersOfTheBank" xlink:href="bsac-20251231.xsd#bsac_TotalAttributableToShareholdersOfTheBank"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalAttributableToShareholdersOfTheBank" xlink:to="lab_bsac_TotalAttributableToShareholdersOfTheBank" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DiscountsAppliedToAT1_ca2a1087-5f4c-411c-bee5-98f513ce2a18_terseLabel_en-US" xlink:label="lab_bsac_DiscountsAppliedToAT1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discounts applied to AT1</link:label>
    <link:label id="lab_bsac_DiscountsAppliedToAT1_label_en-US" xlink:label="lab_bsac_DiscountsAppliedToAT1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discounts Applied To AT1</link:label>
    <link:label id="lab_bsac_DiscountsAppliedToAT1_documentation_en-US" xlink:label="lab_bsac_DiscountsAppliedToAT1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of discounts applied.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DiscountsAppliedToAT1" xlink:href="bsac-20251231.xsd#bsac_DiscountsAppliedToAT1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DiscountsAppliedToAT1" xlink:to="lab_bsac_DiscountsAppliedToAT1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AtFairValueMember_a042cb0c-7a21-4eb6-b31d-026b4faadbda_terseLabel_en-US" xlink:label="lab_ifrs-full_AtFairValueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value</link:label>
    <link:label id="lab_ifrs-full_AtFairValueMember_label_en-US" xlink:label="lab_ifrs-full_AtFairValueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">At fair value [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AtFairValueMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AtFairValueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AtFairValueMember" xlink:to="lab_ifrs-full_AtFairValueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ComprehensiveIncomeReclassifiedToProfitOrLossNetOfTax_7995efe1-cd41-4fd1-8018-6661c10bec2e_totalLabel_en-US" xlink:label="lab_bsac_ComprehensiveIncomeReclassifiedToProfitOrLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income, net of tax</link:label>
    <link:label id="lab_bsac_ComprehensiveIncomeReclassifiedToProfitOrLossNetOfTax_label_en-US" xlink:label="lab_bsac_ComprehensiveIncomeReclassifiedToProfitOrLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income Reclassified To Profit Or Loss Net Of Tax</link:label>
    <link:label id="lab_bsac_ComprehensiveIncomeReclassifiedToProfitOrLossNetOfTax_documentation_en-US" xlink:label="lab_bsac_ComprehensiveIncomeReclassifiedToProfitOrLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other comprehensive income that will be reclassified to profit or loss, net of tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ComprehensiveIncomeReclassifiedToProfitOrLossNetOfTax" xlink:href="bsac-20251231.xsd#bsac_ComprehensiveIncomeReclassifiedToProfitOrLossNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ComprehensiveIncomeReclassifiedToProfitOrLossNetOfTax" xlink:to="lab_bsac_ComprehensiveIncomeReclassifiedToProfitOrLossNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetChangesOfTheExposureAndModificationsInCreditRisk_d6ed537e-5826-4090-a10d-1ce339f4285e_terseLabel_en-US" xlink:label="lab_bsac_NetChangesOfTheExposureAndModificationsInCreditRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net changes of the exposure and modifications in credit risk</link:label>
    <link:label id="lab_bsac_NetChangesOfTheExposureAndModificationsInCreditRisk_label_en-US" xlink:label="lab_bsac_NetChangesOfTheExposureAndModificationsInCreditRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Changes Of The Exposure And Modifications In Credit Risk</link:label>
    <link:label id="lab_bsac_NetChangesOfTheExposureAndModificationsInCreditRisk_documentation_en-US" xlink:label="lab_bsac_NetChangesOfTheExposureAndModificationsInCreditRisk" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net changes of the exposure and modifications in credit risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetChangesOfTheExposureAndModificationsInCreditRisk" xlink:href="bsac-20251231.xsd#bsac_NetChangesOfTheExposureAndModificationsInCreditRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetChangesOfTheExposureAndModificationsInCreditRisk" xlink:to="lab_bsac_NetChangesOfTheExposureAndModificationsInCreditRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutIncomeAndDataUsedInEarningsPerShareExplanatoryTableTextBlock_af305653-4115-45ab-ab1c-dfc6d7220a17_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutIncomeAndDataUsedInEarningsPerShareExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Basic and Diluted Earnings Per Share</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutIncomeAndDataUsedInEarningsPerShareExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutIncomeAndDataUsedInEarningsPerShareExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Income And Data Used In Earnings Per Share Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutIncomeAndDataUsedInEarningsPerShareExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutIncomeAndDataUsedInEarningsPerShareExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about basic and diluted earnings per share.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutIncomeAndDataUsedInEarningsPerShareExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutIncomeAndDataUsedInEarningsPerShareExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutIncomeAndDataUsedInEarningsPerShareExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutIncomeAndDataUsedInEarningsPerShareExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AverageEffectiveTaxRate_b9ceab49-39ce-4cdd-8b53-3ae73285785b_totalLabel_en-US" xlink:label="lab_ifrs-full_AverageEffectiveTaxRate" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Effective tax rates and expenses for income tax, tax rate</link:label>
    <link:label id="lab_ifrs-full_AverageEffectiveTaxRate_019c6bb3-84b4-71b0-a20b-c500c5d934bd_verboseLabel_en-US" xlink:label="lab_ifrs-full_AverageEffectiveTaxRate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Average placement rate of the securities</link:label>
    <link:label id="lab_ifrs-full_AverageEffectiveTaxRate_label_en-US" xlink:label="lab_ifrs-full_AverageEffectiveTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average effective tax rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AverageEffectiveTaxRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AverageEffectiveTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AverageEffectiveTaxRate" xlink:to="lab_ifrs-full_AverageEffectiveTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AccountsAndNotesReceivableNet1_c04fc9b7-a7a7-47c6-ae2a-6c6ea28916bd_terseLabel_en-US" xlink:label="lab_bsac_AccountsAndNotesReceivableNet1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts and notes receivable</link:label>
    <link:label id="lab_bsac_AccountsAndNotesReceivableNet1_label_en-US" xlink:label="lab_bsac_AccountsAndNotesReceivableNet1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts And Notes Receivable Net1</link:label>
    <link:label id="lab_bsac_AccountsAndNotesReceivableNet1_documentation_en-US" xlink:label="lab_bsac_AccountsAndNotesReceivableNet1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Carrying amount as of the balance sheet date, net of allowance for doubtful accounts, of account and note receivables due from other than related parties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AccountsAndNotesReceivableNet1" xlink:href="bsac-20251231.xsd#bsac_AccountsAndNotesReceivableNet1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AccountsAndNotesReceivableNet1" xlink:to="lab_bsac_AccountsAndNotesReceivableNet1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FeesAndCommissionsForSecuritizations_cd28f751-d1ec-4a59-b8ab-2ac8b987addc_verboseLabel_en-US" xlink:label="lab_bsac_FeesAndCommissionsForSecuritizations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fees and commissions for securitizations</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForSecuritizations_label_en-US" xlink:label="lab_bsac_FeesAndCommissionsForSecuritizations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees And Commissions For Securitizations</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForSecuritizations_documentation_en-US" xlink:label="lab_bsac_FeesAndCommissionsForSecuritizations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of fees and commissions for securitizations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FeesAndCommissionsForSecuritizations" xlink:href="bsac-20251231.xsd#bsac_FeesAndCommissionsForSecuritizations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FeesAndCommissionsForSecuritizations" xlink:to="lab_bsac_FeesAndCommissionsForSecuritizations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NewFinancialAssetsOriginated_feb634f8-3127-41d1-93c0-f68e979cbdd8_terseLabel_en-US" xlink:label="lab_bsac_NewFinancialAssetsOriginated" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New financial assets originated</link:label>
    <link:label id="lab_bsac_NewFinancialAssetsOriginated_label_en-US" xlink:label="lab_bsac_NewFinancialAssetsOriginated" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Financial Assets Originated</link:label>
    <link:label id="lab_bsac_NewFinancialAssetsOriginated_documentation_en-US" xlink:label="lab_bsac_NewFinancialAssetsOriginated" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New Financial Assets Originated</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NewFinancialAssetsOriginated" xlink:href="bsac-20251231.xsd#bsac_NewFinancialAssetsOriginated"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NewFinancialAssetsOriginated" xlink:to="lab_bsac_NewFinancialAssetsOriginated" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TypeOfExpectedYieldFromReimbursementRights_886ec421-bad4-486a-9ff1-213e7b70f093_terseLabel_en-US" xlink:label="lab_bsac_TypeOfExpectedYieldFromReimbursementRights" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type of yield expected from the reimbursement rights</link:label>
    <link:label id="lab_bsac_TypeOfExpectedYieldFromReimbursementRights_label_en-US" xlink:label="lab_bsac_TypeOfExpectedYieldFromReimbursementRights" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type Of Expected Yield From Reimbursement Rights</link:label>
    <link:label id="lab_bsac_TypeOfExpectedYieldFromReimbursementRights_documentation_en-US" xlink:label="lab_bsac_TypeOfExpectedYieldFromReimbursementRights" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about the type of expected yield from the reimbursement rights.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TypeOfExpectedYieldFromReimbursementRights" xlink:href="bsac-20251231.xsd#bsac_TypeOfExpectedYieldFromReimbursementRights"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TypeOfExpectedYieldFromReimbursementRights" xlink:to="lab_bsac_TypeOfExpectedYieldFromReimbursementRights" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetAndAssociatedCollateralTableTextBlock_af14f96f-b42d-491f-b4fd-ae8884ab714d_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetAndAssociatedCollateralTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets and Associated Collateral</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetAndAssociatedCollateralTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetAndAssociatedCollateralTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Financial Asset And Associated Collateral [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetAndAssociatedCollateralTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetAndAssociatedCollateralTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure for financial assets and associated collateral.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialAssetAndAssociatedCollateralTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialAssetAndAssociatedCollateralTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialAssetAndAssociatedCollateralTableTextBlock" xlink:to="lab_bsac_ScheduleOfFinancialAssetAndAssociatedCollateralTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill_5f99a13f-6ad9-4fe5-9945-14b5cd1acf3e_terseLabel_en-US" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Useful life measured as period of time, intangible assets other than goodwill</link:label>
    <link:label id="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Useful life measured as period of time, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DepositsInBanks_0c10fadb-087c-4aec-86e1-86b56d8cb15c_terseLabel_en-US" xlink:label="lab_bsac_DepositsInBanks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits in banks</link:label>
    <link:label id="lab_bsac_DepositsInBanks_label_en-US" xlink:label="lab_bsac_DepositsInBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits In Banks</link:label>
    <link:label id="lab_bsac_DepositsInBanks_documentation_en-US" xlink:label="lab_bsac_DepositsInBanks" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of deposits in banks.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DepositsInBanks" xlink:href="bsac-20251231.xsd#bsac_DepositsInBanks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DepositsInBanks" xlink:to="lab_bsac_DepositsInBanks" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AddressTypeDomain_cb35d3d7-181e-4171-b713-4602bdc973d8_terseLabel_en-US" xlink:label="lab_dei_AddressTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Address Type [Domain]</link:label>
    <link:label id="lab_dei_AddressTypeDomain_label_en-US" xlink:label="lab_dei_AddressTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Address Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AddressTypeDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AddressTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AddressTypeDomain" xlink:to="lab_dei_AddressTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeTotal_a1454424-8c90-4256-9318-bb3f91e2ac82_totalLabel_en-US" xlink:label="lab_bsac_NetIncomeTotal" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">TOTAL</link:label>
    <link:label id="lab_bsac_NetIncomeTotal_label_en-US" xlink:label="lab_bsac_NetIncomeTotal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Total</link:label>
    <link:label id="lab_bsac_NetIncomeTotal_documentation_en-US" xlink:label="lab_bsac_NetIncomeTotal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net income total.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeTotal" xlink:href="bsac-20251231.xsd#bsac_NetIncomeTotal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomeTotal" xlink:to="lab_bsac_NetIncomeTotal" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherAdjustmentsForWhichCashEffectsAreInvestingOrFinancingCashFlow_e079706d-6ccf-44d7-90d9-bb2d0f61d302_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_OtherAdjustmentsForWhichCashEffectsAreInvestingOrFinancingCashFlow" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_OtherAdjustmentsForWhichCashEffectsAreInvestingOrFinancingCashFlow_label_en-US" xlink:label="lab_ifrs-full_OtherAdjustmentsForWhichCashEffectsAreInvestingOrFinancingCashFlow" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other adjustments for which cash effects are investing or financing cash flow</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherAdjustmentsForWhichCashEffectsAreInvestingOrFinancingCashFlow" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherAdjustmentsForWhichCashEffectsAreInvestingOrFinancingCashFlow"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAdjustmentsForWhichCashEffectsAreInvestingOrFinancingCashFlow" xlink:to="lab_ifrs-full_OtherAdjustmentsForWhichCashEffectsAreInvestingOrFinancingCashFlow" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LettersOfCreditMember_d7690c4b-4a49-41e0-823f-7f41134b7a56_terseLabel_en-US" xlink:label="lab_bsac_LettersOfCreditMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Letters of credit</link:label>
    <link:label id="lab_bsac_LettersOfCreditMember_label_en-US" xlink:label="lab_bsac_LettersOfCreditMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letters Of Credit [Member]</link:label>
    <link:label id="lab_bsac_LettersOfCreditMember_documentation_en-US" xlink:label="lab_bsac_LettersOfCreditMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Letters Of Credit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LettersOfCreditMember" xlink:href="bsac-20251231.xsd#bsac_LettersOfCreditMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LettersOfCreditMember" xlink:to="lab_bsac_LettersOfCreditMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LeaseObligationPaid_ac55a920-94a9-49ca-8c60-a1823673838c_negatedTerseLabel_en-US" xlink:label="lab_bsac_LeaseObligationPaid" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Lease obligations paid</link:label>
    <link:label id="lab_bsac_LeaseObligationPaid_label_en-US" xlink:label="lab_bsac_LeaseObligationPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease Obligation Paid</link:label>
    <link:label id="lab_bsac_LeaseObligationPaid_documentation_en-US" xlink:label="lab_bsac_LeaseObligationPaid" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lease Obligation Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LeaseObligationPaid" xlink:href="bsac-20251231.xsd#bsac_LeaseObligationPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LeaseObligationPaid" xlink:to="lab_bsac_LeaseObligationPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RealizedProfits_42efd31a-0db0-4cfa-a8b4-8e246dd15274_terseLabel_en-US" xlink:label="lab_bsac_RealizedProfits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Realized profits</link:label>
    <link:label id="lab_bsac_RealizedProfits_label_en-US" xlink:label="lab_bsac_RealizedProfits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Realized Profits</link:label>
    <link:label id="lab_bsac_RealizedProfits_documentation_en-US" xlink:label="lab_bsac_RealizedProfits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to actual&amp;amp;#160;gain&amp;amp;#160;or loss that occurs when an asset is converted into cash at fair market value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RealizedProfits" xlink:href="bsac-20251231.xsd#bsac_RealizedProfits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RealizedProfits" xlink:to="lab_bsac_RealizedProfits" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Stage3Member_5b10216a-312e-4872-a7d5-9c6bb3f540ab_terseLabel_en-US" xlink:label="lab_bsac_Stage3Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stage 3</link:label>
    <link:label id="lab_bsac_Stage3Member_label_en-US" xlink:label="lab_bsac_Stage3Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stage 3 [Member]</link:label>
    <link:label id="lab_bsac_Stage3Member_documentation_en-US" xlink:label="lab_bsac_Stage3Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stage 3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Stage3Member" xlink:href="bsac-20251231.xsd#bsac_Stage3Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Stage3Member" xlink:to="lab_bsac_Stage3Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ForeignFinancialInstitutionsMember_48c619af-493d-49ad-a2a0-989ca42183e1_terseLabel_en-US" xlink:label="lab_bsac_ForeignFinancialInstitutionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans from foreign financial institutions</link:label>
    <link:label id="lab_bsac_ForeignFinancialInstitutionsMember_af297eb7-5b79-4323-ad78-08b3a6e067e5_netLabel_en-US" xlink:label="lab_bsac_ForeignFinancialInstitutionsMember" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Foreign financial institutions</link:label>
    <link:label id="lab_bsac_ForeignFinancialInstitutionsMember_label_en-US" xlink:label="lab_bsac_ForeignFinancialInstitutionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Financial Institutions [Member]</link:label>
    <link:label id="lab_bsac_ForeignFinancialInstitutionsMember_documentation_en-US" xlink:label="lab_bsac_ForeignFinancialInstitutionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Financial Institutions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ForeignFinancialInstitutionsMember" xlink:href="bsac-20251231.xsd#bsac_ForeignFinancialInstitutionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ForeignFinancialInstitutionsMember" xlink:to="lab_bsac_ForeignFinancialInstitutionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProvisionsAbstract_99359b22-1e14-4f31-80bd-b6ee3a3848aa_terseLabel_en-US" xlink:label="lab_ifrs-full_ProvisionsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions [abstract]</link:label>
    <link:label id="lab_ifrs-full_ProvisionsAbstract_label_en-US" xlink:label="lab_ifrs-full_ProvisionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProvisionsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProvisionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProvisionsAbstract" xlink:to="lab_ifrs-full_ProvisionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansWithMortgageFinanceBondsMember_96f67630-da0f-409a-876a-12c5471d5dd1_terseLabel_en-US" xlink:label="lab_bsac_LoansWithMortgageFinanceBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans with mortgage finance bonds</link:label>
    <link:label id="lab_bsac_LoansWithMortgageFinanceBondsMember_label_en-US" xlink:label="lab_bsac_LoansWithMortgageFinanceBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans With Mortgage Finance Bonds [Member]</link:label>
    <link:label id="lab_bsac_LoansWithMortgageFinanceBondsMember_documentation_en-US" xlink:label="lab_bsac_LoansWithMortgageFinanceBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans With Mortgage Finance Bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansWithMortgageFinanceBondsMember" xlink:href="bsac-20251231.xsd#bsac_LoansWithMortgageFinanceBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansWithMortgageFinanceBondsMember" xlink:to="lab_bsac_LoansWithMortgageFinanceBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CustodyOfSecuritiesSecuritiesHolds_bd263eb2-c136-4087-ba7b-96bccc99c351_totalLabel_en-US" xlink:label="lab_bsac_CustodyOfSecuritiesSecuritiesHolds" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_bsac_CustodyOfSecuritiesSecuritiesHolds_label_en-US" xlink:label="lab_bsac_CustodyOfSecuritiesSecuritiesHolds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Custody Of Securities, Securities Holds</link:label>
    <link:label id="lab_bsac_CustodyOfSecuritiesSecuritiesHolds_documentation_en-US" xlink:label="lab_bsac_CustodyOfSecuritiesSecuritiesHolds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about custody of securities securities holds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CustodyOfSecuritiesSecuritiesHolds" xlink:href="bsac-20251231.xsd#bsac_CustodyOfSecuritiesSecuritiesHolds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CustodyOfSecuritiesSecuritiesHolds" xlink:to="lab_bsac_CustodyOfSecuritiesSecuritiesHolds" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FeesAndCommissionsOfLoansWithCreditLines_b616cb47-fe4e-436f-8790-af34495527c5_terseLabel_en-US" xlink:label="lab_bsac_FeesAndCommissionsOfLoansWithCreditLines" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fees and commissions of loans with credit lines</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsOfLoansWithCreditLines_label_en-US" xlink:label="lab_bsac_FeesAndCommissionsOfLoansWithCreditLines" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees And Commissions Of Loans With Credit Lines</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsOfLoansWithCreditLines_documentation_en-US" xlink:label="lab_bsac_FeesAndCommissionsOfLoansWithCreditLines" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fees and commissions of loans with credit lines.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FeesAndCommissionsOfLoansWithCreditLines" xlink:href="bsac-20251231.xsd#bsac_FeesAndCommissionsOfLoansWithCreditLines"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FeesAndCommissionsOfLoansWithCreditLines" xlink:to="lab_bsac_FeesAndCommissionsOfLoansWithCreditLines" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_177d53c2-f0ff-4ce8-ac2b-f1dfca4de42e_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of property, plant and equipment [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="lab_ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpense_77375657-1091-4347-8ead-3025a099e770_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Interest</link:label>
    <link:label id="lab_ifrs-full_InterestExpense_label_en-US" xlink:label="lab_ifrs-full_InterestExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpense" xlink:to="lab_ifrs-full_InterestExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionForMandatoryDividends_6c1f8763-9475-4c93-8147-0c55dc0cf541_negatedLabel_en-US" xlink:label="lab_bsac_ProvisionForMandatoryDividends" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Minus: Provision for mandatory dividends</link:label>
    <link:label id="lab_bsac_ProvisionForMandatoryDividends_e5201d7d-0a5f-4537-8833-e3da84f2aeac_terseLabel_en-US" xlink:label="lab_bsac_ProvisionForMandatoryDividends" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for dividend payments</link:label>
    <link:label id="lab_bsac_ProvisionForMandatoryDividends_label_en-US" xlink:label="lab_bsac_ProvisionForMandatoryDividends" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision For Mandatory Dividends</link:label>
    <link:label id="lab_bsac_ProvisionForMandatoryDividends_documentation_en-US" xlink:label="lab_bsac_ProvisionForMandatoryDividends" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about provisions for minimum dividend.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionForMandatoryDividends" xlink:href="bsac-20251231.xsd#bsac_ProvisionForMandatoryDividends"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionForMandatoryDividends" xlink:to="lab_bsac_ProvisionForMandatoryDividends" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_209758fb-540f-47ad-8e83-881fda077cec_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Shareholders of the Bank</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChileanCentralBankBondsMember_c7fa817f-1894-4c33-bd2f-657ae300db60_terseLabel_en-US" xlink:label="lab_bsac_ChileanCentralBankBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chilean Treasury bonds and notes</link:label>
    <link:label id="lab_bsac_ChileanCentralBankBondsMember_019b9f05-faa2-7fc3-a3f3-608d0329e97c_netLabel_en-US" xlink:label="lab_bsac_ChileanCentralBankBondsMember" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Chilean Central Bank bonds</link:label>
    <link:label id="lab_bsac_ChileanCentralBankBondsMember_59e09753-4717-4cb1-9a6f-8e9ecdd12ebf_verboseLabel_en-US" xlink:label="lab_bsac_ChileanCentralBankBondsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Chilean Central Bank financial instruments</link:label>
    <link:label id="lab_bsac_ChileanCentralBankBondsMember_label_en-US" xlink:label="lab_bsac_ChileanCentralBankBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chilean Central Bank Bonds [Member]</link:label>
    <link:label id="lab_bsac_ChileanCentralBankBondsMember_documentation_en-US" xlink:label="lab_bsac_ChileanCentralBankBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chilean Central Bank Bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChileanCentralBankBondsMember" xlink:href="bsac-20251231.xsd#bsac_ChileanCentralBankBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChileanCentralBankBondsMember" xlink:to="lab_bsac_ChileanCentralBankBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD2110244Member_019bf9b0-ab2c-7f66-9a54-37f32e348699_terseLabel_en-US" xlink:label="lab_bsac_BSTD2110244Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD211024</link:label>
    <link:label id="lab_bsac_BSTD2110244Member_label_en-US" xlink:label="lab_bsac_BSTD2110244Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD211024-4 [Member]</link:label>
    <link:label id="lab_bsac_BSTD2110244Member_documentation_en-US" xlink:label="lab_bsac_BSTD2110244Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD211024-4</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD2110244Member" xlink:href="bsac-20251231.xsd#bsac_BSTD2110244Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD2110244Member" xlink:to="lab_bsac_BSTD2110244Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PensionPlans_6e4fc85d-9c83-4a32-886e-db229290c9b6_terseLabel_en-US" xlink:label="lab_bsac_PensionPlans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension plans</link:label>
    <link:label id="lab_bsac_PensionPlans_label_en-US" xlink:label="lab_bsac_PensionPlans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Plans</link:label>
    <link:label id="lab_bsac_PensionPlans_documentation_en-US" xlink:label="lab_bsac_PensionPlans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of key management pension plans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PensionPlans" xlink:href="bsac-20251231.xsd#bsac_PensionPlans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PensionPlans" xlink:to="lab_bsac_PensionPlans" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract_11a8a26d-c4f1-445c-b12c-210b8591eab5_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract]</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract" xlink:to="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChileanCompaniesBondsAndCommercialPapersMember_d4173ab8-0175-4a74-a8ca-5b475c0ae07e_terseLabel_en-US" xlink:label="lab_bsac_ChileanCompaniesBondsAndCommercialPapersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chilean bonds and commercial papers</link:label>
    <link:label id="lab_bsac_ChileanCompaniesBondsAndCommercialPapersMember_label_en-US" xlink:label="lab_bsac_ChileanCompaniesBondsAndCommercialPapersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chilean Companies Bonds And Commercial Papers [Member]</link:label>
    <link:label id="lab_bsac_ChileanCompaniesBondsAndCommercialPapersMember_documentation_en-US" xlink:label="lab_bsac_ChileanCompaniesBondsAndCommercialPapersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chilean Companies Bonds And Commercial Papers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChileanCompaniesBondsAndCommercialPapersMember" xlink:href="bsac-20251231.xsd#bsac_ChileanCompaniesBondsAndCommercialPapersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChileanCompaniesBondsAndCommercialPapersMember" xlink:to="lab_bsac_ChileanCompaniesBondsAndCommercialPapersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BasisSpreadOnVariableRateCurveForRealEstate_35d7f55f-e7ec-4561-80ee-d8e6de04128c_terseLabel_en-US" xlink:label="lab_bsac_BasisSpreadOnVariableRateCurveForRealEstate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis spread on variable rate curve for real estate</link:label>
    <link:label id="lab_bsac_BasisSpreadOnVariableRateCurveForRealEstate_label_en-US" xlink:label="lab_bsac_BasisSpreadOnVariableRateCurveForRealEstate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basis Spread On Variable Rate Curve For Real Estate</link:label>
    <link:label id="lab_bsac_BasisSpreadOnVariableRateCurveForRealEstate_documentation_en-US" xlink:label="lab_bsac_BasisSpreadOnVariableRateCurveForRealEstate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Basis Spread On Variable Rate Curve For Real Estate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BasisSpreadOnVariableRateCurveForRealEstate" xlink:href="bsac-20251231.xsd#bsac_BasisSpreadOnVariableRateCurveForRealEstate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BasisSpreadOnVariableRateCurveForRealEstate" xlink:to="lab_bsac_BasisSpreadOnVariableRateCurveForRealEstate" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OperatingIncomeAbstract_4f3ffedf-f759-4103-83e0-176458358b41_terseLabel_en-US" xlink:label="lab_bsac_OperatingIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OPERATING INCOME</link:label>
    <link:label id="lab_bsac_OperatingIncomeAbstract_label_en-US" xlink:label="lab_bsac_OperatingIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Income Abstract</link:label>
    <link:label id="lab_bsac_OperatingIncomeAbstract_documentation_en-US" xlink:label="lab_bsac_OperatingIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating Income Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OperatingIncomeAbstract" xlink:href="bsac-20251231.xsd#bsac_OperatingIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OperatingIncomeAbstract" xlink:to="lab_bsac_OperatingIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxAssetsNonRecurringChargeOffs_e5f6a5a5-9acd-420a-9a2a-c6140ec307ea_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxAssetsNonRecurringChargeOffs" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Extraordinary charge-offs</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsNonRecurringChargeOffs_label_en-US" xlink:label="lab_bsac_DeferredTaxAssetsNonRecurringChargeOffs" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Non Recurring Charge Offs</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsNonRecurringChargeOffs_documentation_en-US" xlink:label="lab_bsac_DeferredTaxAssetsNonRecurringChargeOffs" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amounts of non-recurring charge-offs subject to deferred tax assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxAssetsNonRecurringChargeOffs" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxAssetsNonRecurringChargeOffs"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxAssetsNonRecurringChargeOffs" xlink:to="lab_bsac_DeferredTaxAssetsNonRecurringChargeOffs" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RightOfUseAssetAccumulatedDepreciation_b09d48dc-a20f-4656-97c5-e914823a929f_negatedTerseLabel_en-US" xlink:label="lab_bsac_RightOfUseAssetAccumulatedDepreciation" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Accumulated depreciation</link:label>
    <link:label id="lab_bsac_RightOfUseAssetAccumulatedDepreciation_label_en-US" xlink:label="lab_bsac_RightOfUseAssetAccumulatedDepreciation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Right Of Use Asset Accumulated Depreciation</link:label>
    <link:label id="lab_bsac_RightOfUseAssetAccumulatedDepreciation_documentation_en-US" xlink:label="lab_bsac_RightOfUseAssetAccumulatedDepreciation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of accumulated depreciation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RightOfUseAssetAccumulatedDepreciation" xlink:href="bsac-20251231.xsd#bsac_RightOfUseAssetAccumulatedDepreciation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RightOfUseAssetAccumulatedDepreciation" xlink:to="lab_bsac_RightOfUseAssetAccumulatedDepreciation" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChileanCentralBankMember_f63c2309-91cd-40ef-83c1-1d5c4dabc2d9_terseLabel_en-US" xlink:label="lab_bsac_ChileanCentralBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans from Chilean Central Bank</link:label>
    <link:label id="lab_bsac_ChileanCentralBankMember_4392e1bc-e074-439f-bf2f-7289f789f04d_verboseLabel_en-US" xlink:label="lab_bsac_ChileanCentralBankMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Chilean Central Bank</link:label>
    <link:label id="lab_bsac_ChileanCentralBankMember_label_en-US" xlink:label="lab_bsac_ChileanCentralBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chilean Central Bank [Member]</link:label>
    <link:label id="lab_bsac_ChileanCentralBankMember_documentation_en-US" xlink:label="lab_bsac_ChileanCentralBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chilean Central Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChileanCentralBankMember" xlink:href="bsac-20251231.xsd#bsac_ChileanCentralBankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChileanCentralBankMember" xlink:to="lab_bsac_ChileanCentralBankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RiskManagementTable_2b3b01b9-8eb0-4731-b99f-a66572137595_terseLabel_en-US" xlink:label="lab_bsac_RiskManagementTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk Management [Table]</link:label>
    <link:label id="lab_bsac_RiskManagementTable_label_en-US" xlink:label="lab_bsac_RiskManagementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Management [Table]</link:label>
    <link:label id="lab_bsac_RiskManagementTable_documentation_en-US" xlink:label="lab_bsac_RiskManagementTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Management (Details) [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RiskManagementTable" xlink:href="bsac-20251231.xsd#bsac_RiskManagementTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RiskManagementTable" xlink:to="lab_bsac_RiskManagementTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeBiologicalAssetsAtCost_0b6d5e6c-e00b-4b5d-9cb5-58cf613cb6ad_terseLabel_en-US" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeBiologicalAssetsAtCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Useful life (Months)</link:label>
    <link:label id="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeBiologicalAssetsAtCost_label_en-US" xlink:label="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeBiologicalAssetsAtCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Useful life measured as period of time, biological assets, at cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeBiologicalAssetsAtCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeBiologicalAssetsAtCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeBiologicalAssetsAtCost" xlink:to="lab_ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeBiologicalAssetsAtCost" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CallCenterForSaleMarketingAndControlQualityOfClientServices_49777b84-9f1a-42b3-83a2-a443fee6e9b7_negatedTerseLabel_en-US" xlink:label="lab_bsac_CallCenterForSaleMarketingAndControlQualityOfClientServices" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Call center for sale, marketing and control quality of client&#8217; services</link:label>
    <link:label id="lab_bsac_CallCenterForSaleMarketingAndControlQualityOfClientServices_label_en-US" xlink:label="lab_bsac_CallCenterForSaleMarketingAndControlQualityOfClientServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Call Center For Sale Marketing And Control Quality Of Client Services</link:label>
    <link:label id="lab_bsac_CallCenterForSaleMarketingAndControlQualityOfClientServices_documentation_en-US" xlink:label="lab_bsac_CallCenterForSaleMarketingAndControlQualityOfClientServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of Call center for sale, marketing and control quality of client&#8217; services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CallCenterForSaleMarketingAndControlQualityOfClientServices" xlink:href="bsac-20251231.xsd#bsac_CallCenterForSaleMarketingAndControlQualityOfClientServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CallCenterForSaleMarketingAndControlQualityOfClientServices" xlink:to="lab_bsac_CallCenterForSaleMarketingAndControlQualityOfClientServices" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansAndAccountReceivableAtAmortisedCostMember_a5933dfa-0616-48c8-838e-18c24661e5ed_terseLabel_en-US" xlink:label="lab_bsac_LoansAndAccountReceivableAtAmortisedCostMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and receivables from clients</link:label>
    <link:label id="lab_bsac_LoansAndAccountReceivableAtAmortisedCostMember_label_en-US" xlink:label="lab_bsac_LoansAndAccountReceivableAtAmortisedCostMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Account Receivable At Amortised Cost [Member]</link:label>
    <link:label id="lab_bsac_LoansAndAccountReceivableAtAmortisedCostMember_documentation_en-US" xlink:label="lab_bsac_LoansAndAccountReceivableAtAmortisedCostMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans And Account Receivable At Amortised Cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansAndAccountReceivableAtAmortisedCostMember" xlink:href="bsac-20251231.xsd#bsac_LoansAndAccountReceivableAtAmortisedCostMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansAndAccountReceivableAtAmortisedCostMember" xlink:to="lab_bsac_LoansAndAccountReceivableAtAmortisedCostMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PlacementOfPerpetualBondPrincipalAmount_d5baa0bc-f162-49a2-89eb-c12105785bb2_terseLabel_en-US" xlink:label="lab_bsac_PlacementOfPerpetualBondPrincipalAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Principal Amount USD</link:label>
    <link:label id="lab_bsac_PlacementOfPerpetualBondPrincipalAmount_label_en-US" xlink:label="lab_bsac_PlacementOfPerpetualBondPrincipalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Placement Of Perpetual Bond Principal Amount</link:label>
    <link:label id="lab_bsac_PlacementOfPerpetualBondPrincipalAmount_documentation_en-US" xlink:label="lab_bsac_PlacementOfPerpetualBondPrincipalAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Principal amount.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PlacementOfPerpetualBondPrincipalAmount" xlink:href="bsac-20251231.xsd#bsac_PlacementOfPerpetualBondPrincipalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PlacementOfPerpetualBondPrincipalAmount" xlink:to="lab_bsac_PlacementOfPerpetualBondPrincipalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransbankSAMember_7ed1fba3-278e-4d3e-b3a6-1d962b39bc1d_terseLabel_en-US" xlink:label="lab_bsac_TransbankSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transbank S.A.</link:label>
    <link:label id="lab_bsac_TransbankSAMember_label_en-US" xlink:label="lab_bsac_TransbankSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transbank SA [Member]</link:label>
    <link:label id="lab_bsac_TransbankSAMember_documentation_en-US" xlink:label="lab_bsac_TransbankSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transbank SA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransbankSAMember" xlink:href="bsac-20251231.xsd#bsac_TransbankSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransbankSAMember" xlink:to="lab_bsac_TransbankSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxAssets_edc641d4-7ea0-410b-ad5b-780fa369956b_negatedLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Current tax (assets)</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxAssets_9eb9f1ac-afa0-4e49-b6de-5f21a0fb1fbc_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Current tax asset after off-setting</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxAssets" xlink:to="lab_ifrs-full_CurrentTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BorrowingsMaturityPeriod_019c5855-7093-76f6-b228-7060878765c3_terseLabel_en-US" xlink:label="lab_bsac_BorrowingsMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings, maturity, period</link:label>
    <link:label id="lab_bsac_BorrowingsMaturityPeriod_label_en-US" xlink:label="lab_bsac_BorrowingsMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, Maturity, Period</link:label>
    <link:label id="lab_bsac_BorrowingsMaturityPeriod_documentation_en-US" xlink:label="lab_bsac_BorrowingsMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings, Maturity, Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BorrowingsMaturityPeriod" xlink:href="bsac-20251231.xsd#bsac_BorrowingsMaturityPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BorrowingsMaturityPeriod" xlink:to="lab_bsac_BorrowingsMaturityPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetsAtFvociAbstract_351b70e9-3a50-4380-9c0a-c115d747e0b1_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsAtFvociAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at FVOCI</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFvociAbstract_label_en-US" xlink:label="lab_bsac_FinancialAssetsAtFvociAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets At Fvoci [Abstract]</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFvociAbstract_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsAtFvociAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Assets At Fvoci</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsAtFvociAbstract" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsAtFvociAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsAtFvociAbstract" xlink:to="lab_bsac_FinancialAssetsAtFvociAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BonoCHFBNPZKBMember_019b9f57-e0ca-765b-a8b6-c730ff9ef98b_terseLabel_en-US" xlink:label="lab_bsac_BonoCHFBNPZKBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bono CHF BNP &amp; ZKB</link:label>
    <link:label id="lab_bsac_BonoCHFBNPZKBMember_label_en-US" xlink:label="lab_bsac_BonoCHFBNPZKBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bono CHF BNP &amp; ZKB [Member]</link:label>
    <link:label id="lab_bsac_BonoCHFBNPZKBMember_documentation_en-US" xlink:label="lab_bsac_BonoCHFBNPZKBMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bono CHF BNP &amp; ZKB</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BonoCHFBNPZKBMember" xlink:href="bsac-20251231.xsd#bsac_BonoCHFBNPZKBMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BonoCHFBNPZKBMember" xlink:to="lab_bsac_BonoCHFBNPZKBMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherTimeLiabilitiesMember_d81796e9-8d37-4b89-b065-f0acec928281_terseLabel_en-US" xlink:label="lab_bsac_OtherTimeLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other time liabilities</link:label>
    <link:label id="lab_bsac_OtherTimeLiabilitiesMember_label_en-US" xlink:label="lab_bsac_OtherTimeLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Time Liabilities [Member]</link:label>
    <link:label id="lab_bsac_OtherTimeLiabilitiesMember_documentation_en-US" xlink:label="lab_bsac_OtherTimeLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Time Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherTimeLiabilitiesMember" xlink:href="bsac-20251231.xsd#bsac_OtherTimeLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherTimeLiabilitiesMember" xlink:to="lab_bsac_OtherTimeLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankingRegulationCommonEquityEquivalentTier1CapitalAdequacyMinimum_6788d71e-c132-42d8-bbf9-5fcca41bb337_terseLabel_en-US" xlink:label="lab_bsac_BankingRegulationCommonEquityEquivalentTier1CapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CET1</link:label>
    <link:label id="lab_bsac_BankingRegulationCommonEquityEquivalentTier1CapitalAdequacyMinimum_label_en-US" xlink:label="lab_bsac_BankingRegulationCommonEquityEquivalentTier1CapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banking Regulation, Common Equity Equivalent Tier 1 Capital Adequacy, Minimum</link:label>
    <link:label id="lab_bsac_BankingRegulationCommonEquityEquivalentTier1CapitalAdequacyMinimum_documentation_en-US" xlink:label="lab_bsac_BankingRegulationCommonEquityEquivalentTier1CapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banking Regulation, Common Equity Equivalent Tier 1 Capital Adequacy, Minimum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankingRegulationCommonEquityEquivalentTier1CapitalAdequacyMinimum" xlink:href="bsac-20251231.xsd#bsac_BankingRegulationCommonEquityEquivalentTier1CapitalAdequacyMinimum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankingRegulationCommonEquityEquivalentTier1CapitalAdequacyMinimum" xlink:to="lab_bsac_BankingRegulationCommonEquityEquivalentTier1CapitalAdequacyMinimum" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionsForObligationsOfLoyaltyProgramsAndMeritsForCardCustomers_3f0a18d7-64b6-44cf-8b10-20005387e97f_negatedTerseLabel_en-US" xlink:label="lab_bsac_CommissionsForObligationsOfLoyaltyProgramsAndMeritsForCardCustomers" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Commissions for obligations of loyalty programmes and merits for card customers</link:label>
    <link:label id="lab_bsac_CommissionsForObligationsOfLoyaltyProgramsAndMeritsForCardCustomers_label_en-US" xlink:label="lab_bsac_CommissionsForObligationsOfLoyaltyProgramsAndMeritsForCardCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commissions For Obligations Of Loyalty Programs And Merits For Card Customers</link:label>
    <link:label id="lab_bsac_CommissionsForObligationsOfLoyaltyProgramsAndMeritsForCardCustomers_documentation_en-US" xlink:label="lab_bsac_CommissionsForObligationsOfLoyaltyProgramsAndMeritsForCardCustomers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of commissions for obligations of loyalty programs and merits for card customers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionsForObligationsOfLoyaltyProgramsAndMeritsForCardCustomers" xlink:href="bsac-20251231.xsd#bsac_CommissionsForObligationsOfLoyaltyProgramsAndMeritsForCardCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionsForObligationsOfLoyaltyProgramsAndMeritsForCardCustomers" xlink:to="lab_bsac_CommissionsForObligationsOfLoyaltyProgramsAndMeritsForCardCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossDebt_0005b29b-3bfe-4694-b8e2-406da30a030a_negatedTerseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossDebt" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Debt at FVOCI</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossDebt_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Loss Debt</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossDebt_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossDebt" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt at FVOCI.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossDebt" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossDebt" xlink:to="lab_bsac_ExpectedCreditLossDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SummaryOfSignificantAccountingPoliciesTable_89492219-42bc-486d-b639-50a4a774ee27_terseLabel_en-US" xlink:label="lab_bsac_SummaryOfSignificantAccountingPoliciesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Significant Accounting Policies [Table]</link:label>
    <link:label id="lab_bsac_SummaryOfSignificantAccountingPoliciesTable_label_en-US" xlink:label="lab_bsac_SummaryOfSignificantAccountingPoliciesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Summary of Significant Accounting Policies [Table]</link:label>
    <link:label id="lab_bsac_SummaryOfSignificantAccountingPoliciesTable_documentation_en-US" xlink:label="lab_bsac_SummaryOfSignificantAccountingPoliciesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Summary of Significant Accounting Policies [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SummaryOfSignificantAccountingPoliciesTable" xlink:href="bsac-20251231.xsd#bsac_SummaryOfSignificantAccountingPoliciesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SummaryOfSignificantAccountingPoliciesTable" xlink:to="lab_bsac_SummaryOfSignificantAccountingPoliciesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RepurchaseAgreementsWithOtherBanksMember_019bf94c-bb24-72ee-8a67-dbe0ae0a505a_terseLabel_en-US" xlink:label="lab_bsac_RepurchaseAgreementsWithOtherBanksMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase agreements with other banks</link:label>
    <link:label id="lab_bsac_RepurchaseAgreementsWithOtherBanksMember_label_en-US" xlink:label="lab_bsac_RepurchaseAgreementsWithOtherBanksMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase Agreements With Other Banks [Member]</link:label>
    <link:label id="lab_bsac_RepurchaseAgreementsWithOtherBanksMember_documentation_en-US" xlink:label="lab_bsac_RepurchaseAgreementsWithOtherBanksMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Repurchase Agreements With Other Banks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RepurchaseAgreementsWithOtherBanksMember" xlink:href="bsac-20251231.xsd#bsac_RepurchaseAgreementsWithOtherBanksMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RepurchaseAgreementsWithOtherBanksMember" xlink:to="lab_bsac_RepurchaseAgreementsWithOtherBanksMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChileanMarketMember_c2148dec-cbd9-4490-8d40-edf1c5b99297_terseLabel_en-US" xlink:label="lab_bsac_ChileanMarketMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chilean Market</link:label>
    <link:label id="lab_bsac_ChileanMarketMember_label_en-US" xlink:label="lab_bsac_ChileanMarketMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chilean Market [Member]</link:label>
    <link:label id="lab_bsac_ChileanMarketMember_documentation_en-US" xlink:label="lab_bsac_ChileanMarketMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chilean Market</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChileanMarketMember" xlink:href="bsac-20251231.xsd#bsac_ChileanMarketMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChileanMarketMember" xlink:to="lab_bsac_ChileanMarketMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfActivityRegardingProvisionsTableTextBlock_54bf941e-f7a4-4c5b-9156-9cb714eb0082_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfActivityRegardingProvisionsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Activity Regarding Provisions</link:label>
    <link:label id="lab_bsac_ScheduleOfActivityRegardingProvisionsTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfActivityRegardingProvisionsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Activity Regarding Provisions [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfActivityRegardingProvisionsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfActivityRegardingProvisionsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Activity Regarding Provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfActivityRegardingProvisionsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfActivityRegardingProvisionsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfActivityRegardingProvisionsTableTextBlock" xlink:to="lab_bsac_ScheduleOfActivityRegardingProvisionsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankIssuedBonds_89fcaf5f-2e79-45de-83a7-6725790a20ea_terseLabel_en-US" xlink:label="lab_bsac_BankIssuedBonds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Placement of senior bonds</link:label>
    <link:label id="lab_bsac_BankIssuedBonds_label_en-US" xlink:label="lab_bsac_BankIssuedBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Issued Bonds</link:label>
    <link:label id="lab_bsac_BankIssuedBonds_documentation_en-US" xlink:label="lab_bsac_BankIssuedBonds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bank issued bonds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankIssuedBonds" xlink:href="bsac-20251231.xsd#bsac_BankIssuedBonds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankIssuedBonds" xlink:to="lab_bsac_BankIssuedBonds" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RangesAxis_90583885-05f8-43d0-8b73-8b6d7242de88_terseLabel_en-US" xlink:label="lab_bsac_RangesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ranges [Axis]</link:label>
    <link:label id="lab_bsac_RangesAxis_label_en-US" xlink:label="lab_bsac_RangesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ranges [Axis]</link:label>
    <link:label id="lab_bsac_RangesAxis_documentation_en-US" xlink:label="lab_bsac_RangesAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ranges</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RangesAxis" xlink:href="bsac-20251231.xsd#bsac_RangesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RangesAxis" xlink:to="lab_bsac_RangesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OperationWithOtherChileanEntitiesMember_28b8da5a-1ca9-4f53-8f5b-39699604e1d6_terseLabel_en-US" xlink:label="lab_bsac_OperationWithOtherChileanEntitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactions with other Chilean entities</link:label>
    <link:label id="lab_bsac_OperationWithOtherChileanEntitiesMember_label_en-US" xlink:label="lab_bsac_OperationWithOtherChileanEntitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operation With Other Chilean Entities [Member]</link:label>
    <link:label id="lab_bsac_OperationWithOtherChileanEntitiesMember_documentation_en-US" xlink:label="lab_bsac_OperationWithOtherChileanEntitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operation With Other Chilean Entities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OperationWithOtherChileanEntitiesMember" xlink:href="bsac-20251231.xsd#bsac_OperationWithOtherChileanEntitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OperationWithOtherChileanEntitiesMember" xlink:to="lab_bsac_OperationWithOtherChileanEntitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityExplanatory_4d846e4b-9a0a-40ea-9170-5a10e3abe230_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Intangible Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of intangible assets material to entity [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CurrentOtherTax_62c809a3-bf8d-4f12-9fb8-eb3cd6634bc1_negatedTerseLabel_en-US" xlink:label="lab_bsac_CurrentOtherTax" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_bsac_CurrentOtherTax_label_en-US" xlink:label="lab_bsac_CurrentOtherTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Other Tax</link:label>
    <link:label id="lab_bsac_CurrentOtherTax_documentation_en-US" xlink:label="lab_bsac_CurrentOtherTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current other tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CurrentOtherTax" xlink:href="bsac-20251231.xsd#bsac_CurrentOtherTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CurrentOtherTax" xlink:to="lab_bsac_CurrentOtherTax" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ItSystemsAndSoftwareMember_90772727-c0c8-4791-b1bb-8c04d59e8239_terseLabel_en-US" xlink:label="lab_bsac_ItSystemsAndSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">IT systems and software</link:label>
    <link:label id="lab_bsac_ItSystemsAndSoftwareMember_label_en-US" xlink:label="lab_bsac_ItSystemsAndSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">It Systems And Software [Member]</link:label>
    <link:label id="lab_bsac_ItSystemsAndSoftwareMember_documentation_en-US" xlink:label="lab_bsac_ItSystemsAndSoftwareMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">It Systems And Software</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ItSystemsAndSoftwareMember" xlink:href="bsac-20251231.xsd#bsac_ItSystemsAndSoftwareMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ItSystemsAndSoftwareMember" xlink:to="lab_bsac_ItSystemsAndSoftwareMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory_bd26af51-fc95-4846-bfc1-da3c232a8ea4_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Subsidiaries</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of subsidiaries [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Retail1Member_d4a6d6dc-8781-45fc-83c2-fa8d95f3ac3c_terseLabel_en-US" xlink:label="lab_bsac_Retail1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retail</link:label>
    <link:label id="lab_bsac_Retail1Member_label_en-US" xlink:label="lab_bsac_Retail1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retail1 [Member]</link:label>
    <link:label id="lab_bsac_Retail1Member_documentation_en-US" xlink:label="lab_bsac_Retail1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Retail1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Retail1Member" xlink:href="bsac-20251231.xsd#bsac_Retail1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Retail1Member" xlink:to="lab_bsac_Retail1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoanActivityToRelatedParties_c25a7293-b686-40ae-83b8-c5bdb5ca5605_periodStartLabel_en-US" xlink:label="lab_bsac_LoanActivityToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Opening balances</link:label>
    <link:label id="lab_bsac_LoanActivityToRelatedParties_06392c13-bcb9-40b7-b99a-635e0a08d1af_periodEndLabel_en-US" xlink:label="lab_bsac_LoanActivityToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_LoanActivityToRelatedParties_label_en-US" xlink:label="lab_bsac_LoanActivityToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Activity To Related Parties</link:label>
    <link:label id="lab_bsac_LoanActivityToRelatedParties_documentation_en-US" xlink:label="lab_bsac_LoanActivityToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of loan activity as of balance sheet date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoanActivityToRelatedParties" xlink:href="bsac-20251231.xsd#bsac_LoanActivityToRelatedParties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoanActivityToRelatedParties" xlink:to="lab_bsac_LoanActivityToRelatedParties" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelTable_fbd8189d-e9af-47c7-b08e-a8a0cda4d172_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Composition of the Bank&#8217;s Key Personnel [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelTable_label_en-US" xlink:label="lab_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Composition of the Bank&#8217;s Key Personnel [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Composition of the Bank&#8217;s Key Personnel [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelTable" xlink:to="lab_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsInterestRate_019c5852-3d5a-700b-a1ec-2210288a176b_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings, interest rate</link:label>
    <link:label id="lab_ifrs-full_BorrowingsInterestRate_label_en-US" xlink:label="lab_ifrs-full_BorrowingsInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, interest rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsInterestRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BorrowingsInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsInterestRate" xlink:to="lab_ifrs-full_BorrowingsInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory_79c87094-2d85-46d2-8edd-1c177cb6fa4e_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value measurement</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for fair value measurement [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Prepayments_186742d7-5ae3-4b18-be41-5fadb5efe2a4_terseLabel_en-US" xlink:label="lab_ifrs-full_Prepayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepaid expenses</link:label>
    <link:label id="lab_ifrs-full_Prepayments_label_en-US" xlink:label="lab_ifrs-full_Prepayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prepayments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Prepayments" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Prepayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Prepayments" xlink:to="lab_ifrs-full_Prepayments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MiningSectorMember_85112213-ea9b-4485-acc0-eb1bbe3b57a5_terseLabel_en-US" xlink:label="lab_bsac_MiningSectorMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mining</link:label>
    <link:label id="lab_bsac_MiningSectorMember_label_en-US" xlink:label="lab_bsac_MiningSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mining Sector [Member]</link:label>
    <link:label id="lab_bsac_MiningSectorMember_documentation_en-US" xlink:label="lab_bsac_MiningSectorMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for mining sector grouped under commercial loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MiningSectorMember" xlink:href="bsac-20251231.xsd#bsac_MiningSectorMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MiningSectorMember" xlink:to="lab_bsac_MiningSectorMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BondIssuanceMember_019c2268-b0a6-79ae-a774-fb3fb5ec6122_terseLabel_en-US" xlink:label="lab_bsac_BondIssuanceMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bond Issuance</link:label>
    <link:label id="lab_bsac_BondIssuanceMember_label_en-US" xlink:label="lab_bsac_BondIssuanceMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bond Issuance [Member]</link:label>
    <link:label id="lab_bsac_BondIssuanceMember_documentation_en-US" xlink:label="lab_bsac_BondIssuanceMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bond Issuance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BondIssuanceMember" xlink:href="bsac-20251231.xsd#bsac_BondIssuanceMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BondIssuanceMember" xlink:to="lab_bsac_BondIssuanceMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities_019c5381-a65c-7060-aa79-5cb4479e1fa5_verboseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through other changes, liabilities arising from financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherOperatingIncomeAndExpensesAbstract_952205ba-aca3-47b5-962d-fe4bb1934af5_terseLabel_en-US" xlink:label="lab_bsac_OtherOperatingIncomeAndExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Operating Income and Expenses [Abstract]</link:label>
    <link:label id="lab_bsac_OtherOperatingIncomeAndExpensesAbstract_label_en-US" xlink:label="lab_bsac_OtherOperatingIncomeAndExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Operating Income and Expenses [Abstract]</link:label>
    <link:label id="lab_bsac_OtherOperatingIncomeAndExpensesAbstract_documentation_en-US" xlink:label="lab_bsac_OtherOperatingIncomeAndExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Operating Income and Expenses [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherOperatingIncomeAndExpensesAbstract" xlink:href="bsac-20251231.xsd#bsac_OtherOperatingIncomeAndExpensesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherOperatingIncomeAndExpensesAbstract" xlink:to="lab_bsac_OtherOperatingIncomeAndExpensesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityShellCompany_e0fa1338-20c3-452d-b0fd-1fb60014fe07_terseLabel_en-US" xlink:label="lab_dei_EntityShellCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Shell Company</link:label>
    <link:label id="lab_dei_EntityShellCompany_label_en-US" xlink:label="lab_dei_EntityShellCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Shell Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityShellCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityShellCompany" xlink:to="lab_dei_EntityShellCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncomeTaxRelatedToAbove_7b9997de-abf9-4b59-bd85-ea533883cd4b_negatedLabel_en-US" xlink:label="lab_bsac_IncomeTaxRelatedToAbove" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Income tax related to the above</link:label>
    <link:label id="lab_bsac_IncomeTaxRelatedToAbove_label_en-US" xlink:label="lab_bsac_IncomeTaxRelatedToAbove" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Related To Above</link:label>
    <link:label id="lab_bsac_IncomeTaxRelatedToAbove_documentation_en-US" xlink:label="lab_bsac_IncomeTaxRelatedToAbove" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to income tax related to above.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncomeTaxRelatedToAbove" xlink:href="bsac-20251231.xsd#bsac_IncomeTaxRelatedToAbove"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncomeTaxRelatedToAbove" xlink:to="lab_bsac_IncomeTaxRelatedToAbove" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CallCurrencyOptionsMember_af7a3155-0611-4cb0-91ae-c243cd84f158_terseLabel_en-US" xlink:label="lab_bsac_CallCurrencyOptionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Call currency options</link:label>
    <link:label id="lab_bsac_CallCurrencyOptionsMember_label_en-US" xlink:label="lab_bsac_CallCurrencyOptionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Call Currency Options [Member]</link:label>
    <link:label id="lab_bsac_CallCurrencyOptionsMember_documentation_en-US" xlink:label="lab_bsac_CallCurrencyOptionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Call Currency Options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CallCurrencyOptionsMember" xlink:href="bsac-20251231.xsd#bsac_CallCurrencyOptionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CallCurrencyOptionsMember" xlink:to="lab_bsac_CallCurrencyOptionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfLoanAndAccountsReceivableWriteOffsLineItems_c5ab00f5-e642-4505-a036-1e873f494f23_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfLoanAndAccountsReceivableWriteOffsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loan and Accounts Receivable Write-Offs [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfLoanAndAccountsReceivableWriteOffsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfLoanAndAccountsReceivableWriteOffsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Loan and Accounts Receivable Write-Offs [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfLoanAndAccountsReceivableWriteOffsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfLoanAndAccountsReceivableWriteOffsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Loan and Accounts Receivable Write-Offs [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfLoanAndAccountsReceivableWriteOffsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfLoanAndAccountsReceivableWriteOffsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfLoanAndAccountsReceivableWriteOffsLineItems" xlink:to="lab_bsac_ScheduleOfLoanAndAccountsReceivableWriteOffsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherLongTermBonus_18d69090-4a73-40b3-bc06-13f6c5dfa98f_negatedLabel_en-US" xlink:label="lab_bsac_OtherLongTermBonus" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Long-term bonus</link:label>
    <link:label id="lab_bsac_OtherLongTermBonus_label_en-US" xlink:label="lab_bsac_OtherLongTermBonus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Long Term Bonus</link:label>
    <link:label id="lab_bsac_OtherLongTermBonus_documentation_en-US" xlink:label="lab_bsac_OtherLongTermBonus" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of long-term employee benefits other than post-employment benefits and termination benefits. Such benefits may include long-term paid absences, jubilee or other long-service benefits, long-term disability benefits, long-term profit-sharing and bonuses and long-term deferred remuneration. [Refer: Employee benefits expense]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherLongTermBonus" xlink:href="bsac-20251231.xsd#bsac_OtherLongTermBonus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherLongTermBonus" xlink:to="lab_bsac_OtherLongTermBonus" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_019c2268-b0a6-7051-a71f-c7d9a12006af_terseLabel_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [domain]</link:label>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain_label_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:to="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToHedgesOfInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome_c1ea0d3f-ca93-4719-8163-b6a49425aaca_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToHedgesOfInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Income tax relating to cash flow hedges</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToHedgesOfInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToHedgesOfInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax relating to hedges of investments in equity instruments included in other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToHedgesOfInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToHedgesOfInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToHedgesOfInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome" xlink:to="lab_ifrs-full_IncomeTaxRelatingToHedgesOfInvestmentsInEquityInstrumentsOfOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BuildingsMember_94675cc0-0ccf-471d-8054-d4a9e137cd1b_terseLabel_en-US" xlink:label="lab_ifrs-full_BuildingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Buildings</link:label>
    <link:label id="lab_ifrs-full_BuildingsMember_label_en-US" xlink:label="lab_ifrs-full_BuildingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Buildings [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BuildingsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BuildingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BuildingsMember" xlink:to="lab_ifrs-full_BuildingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SubordinatedBondsDenominatedInUF_cf513675-d094-4f9b-ba99-2bd304d2916d_terseLabel_en-US" xlink:label="lab_bsac_SubordinatedBondsDenominatedInUF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subordinated bonds denominated in UF</link:label>
    <link:label id="lab_bsac_SubordinatedBondsDenominatedInUF_label_en-US" xlink:label="lab_bsac_SubordinatedBondsDenominatedInUF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subordinated Bonds Denominated In UF</link:label>
    <link:label id="lab_bsac_SubordinatedBondsDenominatedInUF_documentation_en-US" xlink:label="lab_bsac_SubordinatedBondsDenominatedInUF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of subordinated bonds denominated in UF.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubordinatedBondsDenominatedInUF" xlink:href="bsac-20251231.xsd#bsac_SubordinatedBondsDenominatedInUF"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubordinatedBondsDenominatedInUF" xlink:to="lab_bsac_SubordinatedBondsDenominatedInUF" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTDA610221Member_019bf9a1-df29-7451-b604-90d79a251896_terseLabel_en-US" xlink:label="lab_bsac_BSTDA610221Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTDA61022</link:label>
    <link:label id="lab_bsac_BSTDA610221Member_label_en-US" xlink:label="lab_bsac_BSTDA610221Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTDA61022-1 [Member]</link:label>
    <link:label id="lab_bsac_BSTDA610221Member_documentation_en-US" xlink:label="lab_bsac_BSTDA610221Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTDA61022-1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTDA610221Member" xlink:href="bsac-20251231.xsd#bsac_BSTDA610221Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTDA610221Member" xlink:to="lab_bsac_BSTDA610221Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFutureMinimumLeaseCashInflowsUnderNonCancellableOperatingLeasesTable_e36a0a52-6ce8-4857-a6bd-1d26ba87a52e_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFutureMinimumLeaseCashInflowsUnderNonCancellableOperatingLeasesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Future Minimum Lease Cash Inflows Under Non-cancellable Operating Leases [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFutureMinimumLeaseCashInflowsUnderNonCancellableOperatingLeasesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfFutureMinimumLeaseCashInflowsUnderNonCancellableOperatingLeasesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Future Minimum Lease Cash Inflows Under Non-cancellable Operating Leases [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFutureMinimumLeaseCashInflowsUnderNonCancellableOperatingLeasesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFutureMinimumLeaseCashInflowsUnderNonCancellableOperatingLeasesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Future Minimum Lease Cash Inflows Under Non-cancellable Operating Leases [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFutureMinimumLeaseCashInflowsUnderNonCancellableOperatingLeasesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFutureMinimumLeaseCashInflowsUnderNonCancellableOperatingLeasesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFutureMinimumLeaseCashInflowsUnderNonCancellableOperatingLeasesTable" xlink:to="lab_bsac_ScheduleOfFutureMinimumLeaseCashInflowsUnderNonCancellableOperatingLeasesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CurrencyForwardsMember_75ce3fd2-c385-4134-be19-926809514522_terseLabel_en-US" xlink:label="lab_bsac_CurrencyForwardsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency forwards</link:label>
    <link:label id="lab_bsac_CurrencyForwardsMember_a4ffd4d0-ee16-491d-a8d3-447fe9bcbbf9_verboseLabel_en-US" xlink:label="lab_bsac_CurrencyForwardsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Currency forward</link:label>
    <link:label id="lab_bsac_CurrencyForwardsMember_label_en-US" xlink:label="lab_bsac_CurrencyForwardsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency Forwards [Member]</link:label>
    <link:label id="lab_bsac_CurrencyForwardsMember_documentation_en-US" xlink:label="lab_bsac_CurrencyForwardsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Currency Forwards</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CurrencyForwardsMember" xlink:href="bsac-20251231.xsd#bsac_CurrencyForwardsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CurrencyForwardsMember" xlink:to="lab_bsac_CurrencyForwardsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutPlanExpectedProfitExplanatoryTableTextBlock_a13d4d1f-2cff-4ea7-9fb9-57bbb90373e5_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutPlanExpectedProfitExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Plan Expected Profit</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutPlanExpectedProfitExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutPlanExpectedProfitExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Plan Expected Profit Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutPlanExpectedProfitExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutPlanExpectedProfitExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about plan expected profit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutPlanExpectedProfitExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutPlanExpectedProfitExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutPlanExpectedProfitExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutPlanExpectedProfitExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderGlobalServicesS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember_019b9f64-bbc0-70f2-aa98-70f2f2fe5323_terseLabel_en-US" xlink:label="lab_bsac_SantanderGlobalServicesS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Global Services, S.L. Unipersonal| Spain| Group| Consulting services| Monthly</link:label>
    <link:label id="lab_bsac_SantanderGlobalServicesS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderGlobalServicesS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Global Services, S.L. Unipersonal| Spain| Group| Consulting services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderGlobalServicesS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderGlobalServicesS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Global Services, S.L. Unipersonal| Spain| Group| Consulting services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderGlobalServicesS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderGlobalServicesS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderGlobalServicesS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember" xlink:to="lab_bsac_SantanderGlobalServicesS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExposureByCategoryAxis_f4773e51-ac3c-4393-8156-2d2deeb0698e_terseLabel_en-US" xlink:label="lab_bsac_ExposureByCategoryAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exposure By Category [Axis]</link:label>
    <link:label id="lab_bsac_ExposureByCategoryAxis_label_en-US" xlink:label="lab_bsac_ExposureByCategoryAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exposure By Category [Axis]</link:label>
    <link:label id="lab_bsac_ExposureByCategoryAxis_documentation_en-US" xlink:label="lab_bsac_ExposureByCategoryAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exposure By Category</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExposureByCategoryAxis" xlink:href="bsac-20251231.xsd#bsac_ExposureByCategoryAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExposureByCategoryAxis" xlink:to="lab_bsac_ExposureByCategoryAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MiscellaneousOtherOperatingExpenseIncome_c36f5d2d-1b44-49f7-96e3-92f1857c0139_negatedLabel_en-US" xlink:label="lab_bsac_MiscellaneousOtherOperatingExpenseIncome" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_bsac_MiscellaneousOtherOperatingExpenseIncome_label_en-US" xlink:label="lab_bsac_MiscellaneousOtherOperatingExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Miscellaneous Other Operating Expense (Income)</link:label>
    <link:label id="lab_bsac_MiscellaneousOtherOperatingExpenseIncome_documentation_en-US" xlink:label="lab_bsac_MiscellaneousOtherOperatingExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Miscellaneous Other Operating Expense (Income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MiscellaneousOtherOperatingExpenseIncome" xlink:href="bsac-20251231.xsd#bsac_MiscellaneousOtherOperatingExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MiscellaneousOtherOperatingExpenseIncome" xlink:to="lab_bsac_MiscellaneousOtherOperatingExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CounterpartiesDomain_019b9e93-1564-7719-b286-579e390e7a82_terseLabel_en-US" xlink:label="lab_ifrs-full_CounterpartiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Counterparties [domain]</link:label>
    <link:label id="lab_ifrs-full_CounterpartiesDomain_label_en-US" xlink:label="lab_ifrs-full_CounterpartiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Counterparties [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CounterpartiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CounterpartiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CounterpartiesDomain" xlink:to="lab_ifrs-full_CounterpartiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesAxis_f57ffba9-4a28-47fe-a1a7-46255390c3cd_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of related parties [axis]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of related parties [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="lab_ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdditionsGrossBalance_2f9a2af8-714c-4121-949c-b227c5eee592_terseLabel_en-US" xlink:label="lab_bsac_AdditionsGrossBalance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_bsac_AdditionsGrossBalance_label_en-US" xlink:label="lab_bsac_AdditionsGrossBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additions Gross Balance</link:label>
    <link:label id="lab_bsac_AdditionsGrossBalance_documentation_en-US" xlink:label="lab_bsac_AdditionsGrossBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of additions gross balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdditionsGrossBalance" xlink:href="bsac-20251231.xsd#bsac_AdditionsGrossBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdditionsGrossBalance" xlink:to="lab_bsac_AdditionsGrossBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_WoodAndFurnitureMember_96511f3e-0928-44d9-9e86-37ef37ceb11f_terseLabel_en-US" xlink:label="lab_bsac_WoodAndFurnitureMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Wood and furniture</link:label>
    <link:label id="lab_bsac_WoodAndFurnitureMember_label_en-US" xlink:label="lab_bsac_WoodAndFurnitureMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Wood And Furniture [Member]</link:label>
    <link:label id="lab_bsac_WoodAndFurnitureMember_documentation_en-US" xlink:label="lab_bsac_WoodAndFurnitureMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Wood And Furniture</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_WoodAndFurnitureMember" xlink:href="bsac-20251231.xsd#bsac_WoodAndFurnitureMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_WoodAndFurnitureMember" xlink:to="lab_bsac_WoodAndFurnitureMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCards_9cb3d033-e15c-43c9-9575-732f11677b46_negatedTerseLabel_en-US" xlink:label="lab_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCards" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Commissions for services linked to the credit card and prepaid cards</link:label>
    <link:label id="lab_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCards_label_en-US" xlink:label="lab_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCards" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commissions For Services Linked To The Credit Card And Prepaid Cards</link:label>
    <link:label id="lab_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCards_documentation_en-US" xlink:label="lab_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCards" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of commissions for services linked to the credit card and prepaid cards.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCards" xlink:href="bsac-20251231.xsd#bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCards"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCards" xlink:to="lab_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCards" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LimitRegulatoryCapital_1883758e-f36d-485c-a857-85e483f93c7b_terseLabel_en-US" xlink:label="lab_bsac_LimitRegulatoryCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Limit = Regulatory capital</link:label>
    <link:label id="lab_bsac_LimitRegulatoryCapital_label_en-US" xlink:label="lab_bsac_LimitRegulatoryCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Limit Regulatory Capital</link:label>
    <link:label id="lab_bsac_LimitRegulatoryCapital_documentation_en-US" xlink:label="lab_bsac_LimitRegulatoryCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Limit Regulatory Capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LimitRegulatoryCapital" xlink:href="bsac-20251231.xsd#bsac_LimitRegulatoryCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LimitRegulatoryCapital" xlink:to="lab_bsac_LimitRegulatoryCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MiscellaneousOtherProvisionsMember_ab997093-ec15-4a5d-89e8-8295ac93ce85_terseLabel_en-US" xlink:label="lab_ifrs-full_MiscellaneousOtherProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for other contingencies</link:label>
    <link:label id="lab_ifrs-full_MiscellaneousOtherProvisionsMember_label_en-US" xlink:label="lab_ifrs-full_MiscellaneousOtherProvisionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Miscellaneous other provisions [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MiscellaneousOtherProvisionsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MiscellaneousOtherProvisionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MiscellaneousOtherProvisionsMember" xlink:to="lab_ifrs-full_MiscellaneousOtherProvisionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AllowanceForContingentLoans_96b9e1ad-6190-4452-994f-81518dc3f9ac_negatedTerseLabel_en-US" xlink:label="lab_bsac_AllowanceForContingentLoans" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Allowance for contingent loans</link:label>
    <link:label id="lab_bsac_AllowanceForContingentLoans_label_en-US" xlink:label="lab_bsac_AllowanceForContingentLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance For Contingent Loans</link:label>
    <link:label id="lab_bsac_AllowanceForContingentLoans_documentation_en-US" xlink:label="lab_bsac_AllowanceForContingentLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about allowance for contingent loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AllowanceForContingentLoans" xlink:href="bsac-20251231.xsd#bsac_AllowanceForContingentLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AllowanceForContingentLoans" xlink:to="lab_bsac_AllowanceForContingentLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_0a2decaf-1714-4236-96df-70799aa5ae33_periodStartLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">F - INITIAL BALANCE OF CASH AND CASH EQUIVALENTS</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_fb89e921-a6cb-4459-b682-b9a73c6976cc_periodEndLabel_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">FINAL BALANCE OF CASH AND CASH EQUIVALENTS</link:label>
    <link:label id="lab_ifrs-full_CashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_CashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashAndCashEquivalents"/>
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    <link:label id="lab_bsac_BankingRegulationTier2RiskBasedCapitalRatioCapitalAdequacyMinimum_7776090d-efe7-4744-bac2-cb281f9b074b_terseLabel_en-US" xlink:label="lab_bsac_BankingRegulationTier2RiskBasedCapitalRatioCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tier T2</link:label>
    <link:label id="lab_bsac_BankingRegulationTier2RiskBasedCapitalRatioCapitalAdequacyMinimum_label_en-US" xlink:label="lab_bsac_BankingRegulationTier2RiskBasedCapitalRatioCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banking Regulation, Tier 2 Risk-Based Capital Ratio, Capital Adequacy, Minimum</link:label>
    <link:label id="lab_bsac_BankingRegulationTier2RiskBasedCapitalRatioCapitalAdequacyMinimum_documentation_en-US" xlink:label="lab_bsac_BankingRegulationTier2RiskBasedCapitalRatioCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banking Regulation, Tier 2 Risk-Based Capital Ratio, Capital Adequacy, Minimum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankingRegulationTier2RiskBasedCapitalRatioCapitalAdequacyMinimum" xlink:href="bsac-20251231.xsd#bsac_BankingRegulationTier2RiskBasedCapitalRatioCapitalAdequacyMinimum"/>
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    <link:label id="lab_bsac_IncomeForTheYearMember_e0303499-29dd-4a18-9325-68cfefa1c37d_terseLabel_en-US" xlink:label="lab_bsac_IncomeForTheYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income for the year</link:label>
    <link:label id="lab_bsac_IncomeForTheYearMember_label_en-US" xlink:label="lab_bsac_IncomeForTheYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income For The Year [Member]</link:label>
    <link:label id="lab_bsac_IncomeForTheYearMember_documentation_en-US" xlink:label="lab_bsac_IncomeForTheYearMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income For The Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncomeForTheYearMember" xlink:href="bsac-20251231.xsd#bsac_IncomeForTheYearMember"/>
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    <link:label id="lab_bsac_ScheduleOfMarketRiskFinancialManagementPortfolioTable_42748ee1-5606-42d5-a858-6984fc01d966_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMarketRiskFinancialManagementPortfolioTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Market Risk Financial Management Portfolio [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfMarketRiskFinancialManagementPortfolioTable_label_en-US" xlink:label="lab_bsac_ScheduleOfMarketRiskFinancialManagementPortfolioTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Market Risk Financial Management Portfolio [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfMarketRiskFinancialManagementPortfolioTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMarketRiskFinancialManagementPortfolioTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of Market Risk Financial Management Portfolio [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMarketRiskFinancialManagementPortfolioTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMarketRiskFinancialManagementPortfolioTable"/>
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    <link:label id="lab_bsac_ScheduleOfChangesInFairValueAndCorrespondingExplanatoryTableTextBlock_1b783f2d-de32-49f8-9c87-960b186cd322_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfChangesInFairValueAndCorrespondingExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Amortized Value and the Corresponding ECL</link:label>
    <link:label id="lab_bsac_ScheduleOfChangesInFairValueAndCorrespondingExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfChangesInFairValueAndCorrespondingExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Changes In Fair Value And Corresponding Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfChangesInFairValueAndCorrespondingExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfChangesInFairValueAndCorrespondingExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of schedule of changes in fair value and corresponding explanatory.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfChangesInFairValueAndCorrespondingExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfChangesInFairValueAndCorrespondingExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfChangesInFairValueAndCorrespondingExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfChangesInFairValueAndCorrespondingExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfIntangibleAssetsTable_e63e0122-2cba-4d21-b5d2-c9a263ea38f8_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfIntangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Intangible Assets [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfIntangibleAssetsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfIntangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Intangible Assets [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfIntangibleAssetsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfIntangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Intangible Assets [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfIntangibleAssetsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfIntangibleAssetsTable"/>
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    <link:label id="lab_bsac_RemunerationForInsuranceBrokerageFeesInDollars_0269c832-205f-4fb3-bcbf-c63baa488a4a_terseLabel_en-US" xlink:label="lab_bsac_RemunerationForInsuranceBrokerageFeesInDollars" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remuneration for insurance brokerage fees</link:label>
    <link:label id="lab_bsac_RemunerationForInsuranceBrokerageFeesInDollars_label_en-US" xlink:label="lab_bsac_RemunerationForInsuranceBrokerageFeesInDollars" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Remuneration For Insurance Brokerage Fees In Dollars</link:label>
    <link:label id="lab_bsac_RemunerationForInsuranceBrokerageFeesInDollars_documentation_en-US" xlink:label="lab_bsac_RemunerationForInsuranceBrokerageFeesInDollars" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of remuneration for insurance brokerage fees.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RemunerationForInsuranceBrokerageFeesInDollars" xlink:href="bsac-20251231.xsd#bsac_RemunerationForInsuranceBrokerageFeesInDollars"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RemunerationForInsuranceBrokerageFeesInDollars" xlink:to="lab_bsac_RemunerationForInsuranceBrokerageFeesInDollars" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage2_4fc44a4c-30b8-4a12-a353-d3ccc76fd6d9_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 1 to stage 2</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage2_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Allowances Transfers From Stage1 To Stage2</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage2_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in expected credit losses allowances resulting from transfers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage2" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage2" xlink:to="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage2" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage3_64025e94-93a7-4944-825d-5ce46cde200e_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 1 to stage 3</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage3_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Allowances Transfers From Stage1 To Stage3</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage3_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in expected credit losses allowances resulting from transfers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage3" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage3"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage3" xlink:to="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage1ToStage3" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_d5322b20-27fa-4b49-b8eb-1ac0d72e807f_terseLabel_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
    <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_label_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityWellKnownSeasonedIssuer"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityWellKnownSeasonedIssuer" xlink:to="lab_dei_EntityWellKnownSeasonedIssuer" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderCorredoresDeBolsaLimitadaMember3Member_fabd856d-f9ce-415d-9c84-818475090d08_terseLabel_en-US" xlink:label="lab_bsac_SantanderCorredoresDeBolsaLimitadaMember3Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Corredores de Bolsa Limitada</link:label>
    <link:label id="lab_bsac_SantanderCorredoresDeBolsaLimitadaMember3Member_label_en-US" xlink:label="lab_bsac_SantanderCorredoresDeBolsaLimitadaMember3Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Corredores De Bolsa Limitada Member3 [Member]</link:label>
    <link:label id="lab_bsac_SantanderCorredoresDeBolsaLimitadaMember3Member_documentation_en-US" xlink:label="lab_bsac_SantanderCorredoresDeBolsaLimitadaMember3Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Corredores De Bolsa Limitada Member3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderCorredoresDeBolsaLimitadaMember3Member" xlink:href="bsac-20251231.xsd#bsac_SantanderCorredoresDeBolsaLimitadaMember3Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderCorredoresDeBolsaLimitadaMember3Member" xlink:to="lab_bsac_SantanderCorredoresDeBolsaLimitadaMember3Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtInstrumentsAmortizedCost_3b4acc99-c4f2-4a36-8adf-dfaf4ff6a77a_terseLabel_en-US" xlink:label="lab_bsac_DebtInstrumentsAmortizedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt financial instruments</link:label>
    <link:label id="lab_bsac_DebtInstrumentsAmortizedCost_label_en-US" xlink:label="lab_bsac_DebtInstrumentsAmortizedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instruments Amortized Cost</link:label>
    <link:label id="lab_bsac_DebtInstrumentsAmortizedCost_documentation_en-US" xlink:label="lab_bsac_DebtInstrumentsAmortizedCost" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of debt instruments at amortized cost.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtInstrumentsAmortizedCost" xlink:href="bsac-20251231.xsd#bsac_DebtInstrumentsAmortizedCost"/>
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    <link:label id="lab_bsac_KlareCorredoraDeSegurosMember_8ca55db0-363c-40cc-9c5a-1681718eeb48_terseLabel_en-US" xlink:label="lab_bsac_KlareCorredoraDeSegurosMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Klare Corredora de Seguros S.A.</link:label>
    <link:label id="lab_bsac_KlareCorredoraDeSegurosMember_label_en-US" xlink:label="lab_bsac_KlareCorredoraDeSegurosMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Klare Corredora De Seguros [Member]</link:label>
    <link:label id="lab_bsac_KlareCorredoraDeSegurosMember_documentation_en-US" xlink:label="lab_bsac_KlareCorredoraDeSegurosMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Klare Corredora De Seguros</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_KlareCorredoraDeSegurosMember" xlink:href="bsac-20251231.xsd#bsac_KlareCorredoraDeSegurosMember"/>
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    <link:label id="lab_bsac_OperadoraDeTarjetaDePagoSantanderGetnetChileS.A.Member_019b9e6b-c906-72bf-801b-97399713f9b9_terseLabel_en-US" xlink:label="lab_bsac_OperadoraDeTarjetaDePagoSantanderGetnetChileS.A.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operadora de Tarjeta de Pago Santander Getnet Chile S.A.</link:label>
    <link:label id="lab_bsac_OperadoraDeTarjetaDePagoSantanderGetnetChileS.A.Member_label_en-US" xlink:label="lab_bsac_OperadoraDeTarjetaDePagoSantanderGetnetChileS.A.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operadora de Tarjeta de Pago Santander Getnet Chile S.A. [Member]</link:label>
    <link:label id="lab_bsac_OperadoraDeTarjetaDePagoSantanderGetnetChileS.A.Member_documentation_en-US" xlink:label="lab_bsac_OperadoraDeTarjetaDePagoSantanderGetnetChileS.A.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operadora de Tarjeta de Pago Santander Getnet Chile S.A.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OperadoraDeTarjetaDePagoSantanderGetnetChileS.A.Member" xlink:href="bsac-20251231.xsd#bsac_OperadoraDeTarjetaDePagoSantanderGetnetChileS.A.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OperadoraDeTarjetaDePagoSantanderGetnetChileS.A.Member" xlink:to="lab_bsac_OperadoraDeTarjetaDePagoSantanderGetnetChileS.A.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_USDBondsMember_fdf44428-227c-43da-98bc-45717fda70a2_terseLabel_en-US" xlink:label="lab_bsac_USDBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">US$ Bonds</link:label>
    <link:label id="lab_bsac_USDBondsMember_label_en-US" xlink:label="lab_bsac_USDBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">USDBonds [Member]</link:label>
    <link:label id="lab_bsac_USDBondsMember_documentation_en-US" xlink:label="lab_bsac_USDBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">USDBonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_USDBondsMember" xlink:href="bsac-20251231.xsd#bsac_USDBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_USDBondsMember" xlink:to="lab_bsac_USDBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpenseOfRestructuringActivities_3371bd8c-3c53-4943-bc32-b9b3685e0776_negatedLabel_en-US" xlink:label="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Restructuring expenses</link:label>
    <link:label id="lab_ifrs-full_ExpenseOfRestructuringActivities_label_en-US" xlink:label="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expense of restructuring activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpenseOfRestructuringActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExpenseOfRestructuringActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpenseOfRestructuringActivities" xlink:to="lab_ifrs-full_ExpenseOfRestructuringActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ConsolidatedUpToSevenDaysMember_6ec073a9-c042-4973-a166-db39c0e7f7ff_terseLabel_en-US" xlink:label="lab_bsac_ConsolidatedUpToSevenDaysMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Up to 7 days</link:label>
    <link:label id="lab_bsac_ConsolidatedUpToSevenDaysMember_label_en-US" xlink:label="lab_bsac_ConsolidatedUpToSevenDaysMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated Up To Seven Days [Member]</link:label>
    <link:label id="lab_bsac_ConsolidatedUpToSevenDaysMember_documentation_en-US" xlink:label="lab_bsac_ConsolidatedUpToSevenDaysMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consolidated Up To Seven Days</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ConsolidatedUpToSevenDaysMember" xlink:href="bsac-20251231.xsd#bsac_ConsolidatedUpToSevenDaysMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ConsolidatedUpToSevenDaysMember" xlink:to="lab_bsac_ConsolidatedUpToSevenDaysMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RepurchaseAgreements1Member_019b9f16-ec6d-7f2c-9fdc-c1a9e894247b_terseLabel_en-US" xlink:label="lab_bsac_RepurchaseAgreements1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase agreements</link:label>
    <link:label id="lab_bsac_RepurchaseAgreements1Member_019c5821-d4ed-7d6f-866f-53308193f71d_verboseLabel_en-US" xlink:label="lab_bsac_RepurchaseAgreements1Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Rights under repurchase agreements</link:label>
    <link:label id="lab_bsac_RepurchaseAgreements1Member_label_en-US" xlink:label="lab_bsac_RepurchaseAgreements1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase Agreements1 [Member]</link:label>
    <link:label id="lab_bsac_RepurchaseAgreements1Member_documentation_en-US" xlink:label="lab_bsac_RepurchaseAgreements1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Repurchase Agreements1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RepurchaseAgreements1Member" xlink:href="bsac-20251231.xsd#bsac_RepurchaseAgreements1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RepurchaseAgreements1Member" xlink:to="lab_bsac_RepurchaseAgreements1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationCreditRiskExposureExplanatoryTableTextBlock_5d5f11d0-92db-487b-83c3-643f8250b0e3_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationCreditRiskExposureExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value of Derivative Instruments</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationCreditRiskExposureExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationCreditRiskExposureExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information Credit Risk Exposure Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationCreditRiskExposureExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationCreditRiskExposureExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about credit risk exposure.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationCreditRiskExposureExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationCreditRiskExposureExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationCreditRiskExposureExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationCreditRiskExposureExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PremiumsPaidFairValueOfPlanAssets_d7b4d48a-89a3-424d-8d4d-1293a4497168_terseLabel_en-US" xlink:label="lab_bsac_PremiumsPaidFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Premiums paid</link:label>
    <link:label id="lab_bsac_PremiumsPaidFairValueOfPlanAssets_label_en-US" xlink:label="lab_bsac_PremiumsPaidFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Premiums Paid Fair Value Of Plan Assets</link:label>
    <link:label id="lab_bsac_PremiumsPaidFairValueOfPlanAssets_documentation_en-US" xlink:label="lab_bsac_PremiumsPaidFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of premiums paid.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PremiumsPaidFairValueOfPlanAssets" xlink:href="bsac-20251231.xsd#bsac_PremiumsPaidFairValueOfPlanAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PremiumsPaidFairValueOfPlanAssets" xlink:to="lab_bsac_PremiumsPaidFairValueOfPlanAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BancomerS.A.Member_019bf96a-afcf-7457-97fa-b19ae3499c8b_terseLabel_en-US" xlink:label="lab_bsac_BancomerS.A.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bancomer S.A.</link:label>
    <link:label id="lab_bsac_BancomerS.A.Member_label_en-US" xlink:label="lab_bsac_BancomerS.A.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bancomer S.A. [Member]</link:label>
    <link:label id="lab_bsac_BancomerS.A.Member_documentation_en-US" xlink:label="lab_bsac_BancomerS.A.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bancomer S.A.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BancomerS.A.Member" xlink:href="bsac-20251231.xsd#bsac_BancomerS.A.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BancomerS.A.Member" xlink:to="lab_bsac_BancomerS.A.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_019b9e8e-e405-7082-bdf2-a00f3f2eaa94_terseLabel_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repayments of borrowings, classified as financing activities</link:label>
    <link:label id="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of borrowings, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfSharesOutstanding_e05ba103-d4c2-4b93-8a77-09052ec2691a_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares outstanding (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesOutstanding_label_en-US" xlink:label="lab_ifrs-full_NumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of shares outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesOutstanding" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NumberOfSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesOutstanding" xlink:to="lab_ifrs-full_NumberOfSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ModifiedLoan_66420a1b-5d56-470d-a5a8-75fac62a440d_terseLabel_en-US" xlink:label="lab_bsac_ModifiedLoan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Modified loans</link:label>
    <link:label id="lab_bsac_ModifiedLoan_label_en-US" xlink:label="lab_bsac_ModifiedLoan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Modified Loan</link:label>
    <link:label id="lab_bsac_ModifiedLoan_documentation_en-US" xlink:label="lab_bsac_ModifiedLoan" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount refer to modified loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ModifiedLoan" xlink:href="bsac-20251231.xsd#bsac_ModifiedLoan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ModifiedLoan" xlink:to="lab_bsac_ModifiedLoan" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossConsumerLoans_b283d317-53f7-43dc-a515-4ac79b2991fa_negatedTerseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossConsumerLoans" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Consumer loans</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossConsumerLoans_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossConsumerLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Loss Consumer Loans</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossConsumerLoans_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossConsumerLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consumer loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossConsumerLoans" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossConsumerLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossConsumerLoans" xlink:to="lab_bsac_ExpectedCreditLossConsumerLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EvaluationOfBusinessModelChargePercent_019c8c0c-ad6f-72ad-b7dd-d343d65ba92d_terseLabel_en-US" xlink:label="lab_bsac_EvaluationOfBusinessModelChargePercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Charge, percent</link:label>
    <link:label id="lab_bsac_EvaluationOfBusinessModelChargePercent_label_en-US" xlink:label="lab_bsac_EvaluationOfBusinessModelChargePercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Evaluation Of Business Model, Charge Percent</link:label>
    <link:label id="lab_bsac_EvaluationOfBusinessModelChargePercent_documentation_en-US" xlink:label="lab_bsac_EvaluationOfBusinessModelChargePercent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Evaluation Of Business Model, Charge Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EvaluationOfBusinessModelChargePercent" xlink:href="bsac-20251231.xsd#bsac_EvaluationOfBusinessModelChargePercent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EvaluationOfBusinessModelChargePercent" xlink:to="lab_bsac_EvaluationOfBusinessModelChargePercent" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FeesAndCommissionsForLinesOfCreditsAndOverdrafts_d4f41909-6e65-4c0b-93ef-27940a694e3d_terseLabel_en-US" xlink:label="lab_bsac_FeesAndCommissionsForLinesOfCreditsAndOverdrafts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fees and commissions for lines of credits and overdrafts</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForLinesOfCreditsAndOverdrafts_label_en-US" xlink:label="lab_bsac_FeesAndCommissionsForLinesOfCreditsAndOverdrafts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees And Commissions For Lines Of Credits And Overdrafts</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForLinesOfCreditsAndOverdrafts_documentation_en-US" xlink:label="lab_bsac_FeesAndCommissionsForLinesOfCreditsAndOverdrafts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of income recognised from lines of credit and overdrafts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FeesAndCommissionsForLinesOfCreditsAndOverdrafts" xlink:href="bsac-20251231.xsd#bsac_FeesAndCommissionsForLinesOfCreditsAndOverdrafts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FeesAndCommissionsForLinesOfCreditsAndOverdrafts" xlink:to="lab_bsac_FeesAndCommissionsForLinesOfCreditsAndOverdrafts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfFinancialAssetsDomain_3cb93ee3-1ab8-46f3-a3b3-0fee17bfc5ee_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total financial assets [Member]</link:label>
    <link:label id="lab_ifrs-full_TypesOfFinancialAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfFinancialAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of financial assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfFinancialAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfFinancialAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfFinancialAssetsDomain" xlink:to="lab_ifrs-full_TypesOfFinancialAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AccrualModelMember_398920f3-24b1-4c9d-b8fe-05f6b628d2f6_terseLabel_en-US" xlink:label="lab_bsac_AccrualModelMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrual model</link:label>
    <link:label id="lab_bsac_AccrualModelMember_label_en-US" xlink:label="lab_bsac_AccrualModelMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrual Model [Member]</link:label>
    <link:label id="lab_bsac_AccrualModelMember_documentation_en-US" xlink:label="lab_bsac_AccrualModelMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accrual Model</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AccrualModelMember" xlink:href="bsac-20251231.xsd#bsac_AccrualModelMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AccrualModelMember" xlink:to="lab_bsac_AccrualModelMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IntangibleAssetsOtherThanGoodwillGross_319d1224-bbae-4b51-892b-f5c1bf0baab1_terseLabel_en-US" xlink:label="lab_bsac_IntangibleAssetsOtherThanGoodwillGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross balance</link:label>
    <link:label id="lab_bsac_IntangibleAssetsOtherThanGoodwillGross_label_en-US" xlink:label="lab_bsac_IntangibleAssetsOtherThanGoodwillGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible Assets Other Than Goodwill Gross</link:label>
    <link:label id="lab_bsac_IntangibleAssetsOtherThanGoodwillGross_documentation_en-US" xlink:label="lab_bsac_IntangibleAssetsOtherThanGoodwillGross" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gross balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IntangibleAssetsOtherThanGoodwillGross" xlink:href="bsac-20251231.xsd#bsac_IntangibleAssetsOtherThanGoodwillGross"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IntangibleAssetsOtherThanGoodwillGross" xlink:to="lab_bsac_IntangibleAssetsOtherThanGoodwillGross" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfAllowanceSensibilityLineItems_003c8cd2-7127-4a81-ae27-148d86194f4a_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAllowanceSensibilityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Allowance Sensibility [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfAllowanceSensibilityLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfAllowanceSensibilityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Allowance Sensibility [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfAllowanceSensibilityLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAllowanceSensibilityLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of Allowance Sensibility [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAllowanceSensibilityLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAllowanceSensibilityLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAllowanceSensibilityLineItems" xlink:to="lab_bsac_ScheduleOfAllowanceSensibilityLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTableTextBlock_2321a417-6474-4ddf-8c8a-eb405c2ac6e6_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Interbank Loans and Loans and Account Receivable from Customers</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Instruments Classified As Debt Instruments At Amortized Cost [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about instruments classified as debt instruments at amortized cost.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsByNameDomain_0ab188fa-2c49-4bb8-bcc4-dd238471e206_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings by name [domain]</link:label>
    <link:label id="lab_ifrs-full_BorrowingsByNameDomain_label_en-US" xlink:label="lab_ifrs-full_BorrowingsByNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings by name [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsByNameDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BorrowingsByNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsByNameDomain" xlink:to="lab_ifrs-full_BorrowingsByNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PersonalGuarantees_50f98afb-e7fa-4b0f-a230-4e52546ede59_totalLabel_en-US" xlink:label="lab_bsac_PersonalGuarantees" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Personal guarantees</link:label>
    <link:label id="lab_bsac_PersonalGuarantees_label_en-US" xlink:label="lab_bsac_PersonalGuarantees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Personal Guarantees</link:label>
    <link:label id="lab_bsac_PersonalGuarantees_documentation_en-US" xlink:label="lab_bsac_PersonalGuarantees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Personal guarantees.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PersonalGuarantees" xlink:href="bsac-20251231.xsd#bsac_PersonalGuarantees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PersonalGuarantees" xlink:to="lab_bsac_PersonalGuarantees" xlink:type="arc" order="1"/>
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    <link:label id="lab_ifrs-full_CurrentTaxAssetsCurrent_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax assets, current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxAssetsCurrent" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxAssetsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxAssetsCurrent" xlink:to="lab_ifrs-full_CurrentTaxAssetsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ReconciliationOfProvisionsForTheConsolidatedStatementsOfCashFlowForTheYearEndedAbstract_2f1e61f3-49a6-41e6-8e3c-44f9d405002f_terseLabel_en-US" xlink:label="lab_bsac_ReconciliationOfProvisionsForTheConsolidatedStatementsOfCashFlowForTheYearEndedAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of provisions for the Consolidated Statements of Cash Flow for the year ended</link:label>
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    <link:label id="lab_ifrs-full_EmployeeBenefitsExpense_label_en-US" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee benefits expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EmployeeBenefitsExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EmployeeBenefitsExpense"/>
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    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfDetailedInformationAboutOtherAssetsAndLiabilitiesWithRelatedPartiesExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfDetailedInformationAboutOtherAssetsAndLiabilitiesWithRelatedPartiesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfDetailedInformationAboutOtherAssetsAndLiabilitiesWithRelatedPartiesExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfDetailedInformationAboutOtherAssetsAndLiabilitiesWithRelatedPartiesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RegulatoryCapitalInstrumentMember_019c21fb-69ca-79a0-8f77-7b11e5899a7a_terseLabel_en-US" xlink:label="lab_bsac_RegulatoryCapitalInstrumentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory capital instrument</link:label>
    <link:label id="lab_bsac_RegulatoryCapitalInstrumentMember_label_en-US" xlink:label="lab_bsac_RegulatoryCapitalInstrumentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulatory Capital Instrument [Member]</link:label>
    <link:label id="lab_bsac_RegulatoryCapitalInstrumentMember_documentation_en-US" xlink:label="lab_bsac_RegulatoryCapitalInstrumentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Regulatory Capital Instrument</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RegulatoryCapitalInstrumentMember" xlink:href="bsac-20251231.xsd#bsac_RegulatoryCapitalInstrumentMember"/>
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    <link:label id="lab_bsac_IssuedDebtInstrumentsMember_fc9ebc55-72c6-4f4c-8520-6017165edf9b_terseLabel_en-US" xlink:label="lab_bsac_IssuedDebtInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issued debt instruments</link:label>
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    <link:label id="lab_bsac_IssuedDebtInstrumentsMember_label_en-US" xlink:label="lab_bsac_IssuedDebtInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued Debt Instruments [Member]</link:label>
    <link:label id="lab_bsac_IssuedDebtInstrumentsMember_documentation_en-US" xlink:label="lab_bsac_IssuedDebtInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Issued Debt Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IssuedDebtInstrumentsMember" xlink:href="bsac-20251231.xsd#bsac_IssuedDebtInstrumentsMember"/>
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    <link:label id="lab_ifrs-full_LegalProceedingsProvisionMember_0ba4eba6-9247-4436-a8bd-34eced16e0d3_terseLabel_en-US" xlink:label="lab_ifrs-full_LegalProceedingsProvisionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions for lawsuits and litigations</link:label>
    <link:label id="lab_ifrs-full_LegalProceedingsProvisionMember_label_en-US" xlink:label="lab_ifrs-full_LegalProceedingsProvisionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal proceedings provision [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LegalProceedingsProvisionMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LegalProceedingsProvisionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LegalProceedingsProvisionMember" xlink:to="lab_ifrs-full_LegalProceedingsProvisionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpensesAssociatedFactoringOperations_18eb5cd9-3b08-48e6-9521-0b8ff0f7177e_negatedLabel_en-US" xlink:label="lab_bsac_ExpensesAssociatedFactoringOperations" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Expenses associated factoring operations</link:label>
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    <link:label id="lab_bsac_ExpensesAssociatedFactoringOperations_documentation_en-US" xlink:label="lab_bsac_ExpensesAssociatedFactoringOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expenses associated factoring operations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpensesAssociatedFactoringOperations" xlink:href="bsac-20251231.xsd#bsac_ExpensesAssociatedFactoringOperations"/>
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    <link:label id="lab_ifrs-full_RetainedEarningsProfitLossForReportingPeriod_d98ff267-d65a-456d-9a65-ea887390c807_terseLabel_en-US" xlink:label="lab_ifrs-full_RetainedEarningsProfitLossForReportingPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained earnings from prior years</link:label>
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    <link:label id="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis_c7dd1709-9d6d-4926-9884-25fa415d9065_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of intangible assets other than goodwill [axis]</link:label>
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    <link:label id="lab_dei_DocumentFinStmtErrorCorrectionFlag_b1efff41-7bf6-42af-9c43-214ee4a101d4_terseLabel_en-US" xlink:label="lab_dei_DocumentFinStmtErrorCorrectionFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Financial Statement Error Correction [Flag]</link:label>
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    <link:label id="lab_bsac_ChileanCentralBankFinancialInstrumentsMember_e9b01d06-35c9-40e9-83ad-1665d2aa3f5a_terseLabel_en-US" xlink:label="lab_bsac_ChileanCentralBankFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chilean Central Bank financial instruments</link:label>
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    <link:label id="lab_bsac_ChileanCentralBankFinancialInstrumentsMember_documentation_en-US" xlink:label="lab_bsac_ChileanCentralBankFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chilean Central Bank Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChileanCentralBankFinancialInstrumentsMember" xlink:href="bsac-20251231.xsd#bsac_ChileanCentralBankFinancialInstrumentsMember"/>
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    <link:label id="lab_bsac_MultiplicaSpaMember_1f0ad4be-b319-464e-8e6e-5916441ebbce_terseLabel_en-US" xlink:label="lab_bsac_MultiplicaSpaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Multiplica Spa</link:label>
    <link:label id="lab_bsac_MultiplicaSpaMember_label_en-US" xlink:label="lab_bsac_MultiplicaSpaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Multiplica Spa [Member]</link:label>
    <link:label id="lab_bsac_MultiplicaSpaMember_documentation_en-US" xlink:label="lab_bsac_MultiplicaSpaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Multiplica Spa</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MultiplicaSpaMember" xlink:href="bsac-20251231.xsd#bsac_MultiplicaSpaMember"/>
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    <link:label id="lab_bsac_Stage1Member_8591fbf3-ca13-46c6-9d67-42a9030867b7_terseLabel_en-US" xlink:label="lab_bsac_Stage1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stage 1</link:label>
    <link:label id="lab_bsac_Stage1Member_label_en-US" xlink:label="lab_bsac_Stage1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stage 1 [Member]</link:label>
    <link:label id="lab_bsac_Stage1Member_documentation_en-US" xlink:label="lab_bsac_Stage1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stage 1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Stage1Member" xlink:href="bsac-20251231.xsd#bsac_Stage1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Stage1Member" xlink:to="lab_bsac_Stage1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesLineItems_c717eeb4-fbbd-4dd8-af2a-b6b3aa4fdca4_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities With Related Parties [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities With Related Parties [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities With Related Parties [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesLineItems" xlink:to="lab_bsac_ScheduleOfAssetsAndLiabilitiesWithRelatedPartiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HedgingAccountingMember_728e35b7-231a-488c-b684-0b004c57e3fc_terseLabel_en-US" xlink:label="lab_bsac_HedgingAccountingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging accounting</link:label>
    <link:label id="lab_bsac_HedgingAccountingMember_label_en-US" xlink:label="lab_bsac_HedgingAccountingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging Accounting [Member]</link:label>
    <link:label id="lab_bsac_HedgingAccountingMember_documentation_en-US" xlink:label="lab_bsac_HedgingAccountingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hedging Accounting</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HedgingAccountingMember" xlink:href="bsac-20251231.xsd#bsac_HedgingAccountingMember"/>
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    <link:label id="lab_bsac_TypesOfCurrencyAxis_950d8967-e679-485a-b6b6-f2894ecb94ec_terseLabel_en-US" xlink:label="lab_bsac_TypesOfCurrencyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of Currency [Axis]</link:label>
    <link:label id="lab_bsac_TypesOfCurrencyAxis_label_en-US" xlink:label="lab_bsac_TypesOfCurrencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types Of Currency [Axis]</link:label>
    <link:label id="lab_bsac_TypesOfCurrencyAxis_documentation_en-US" xlink:label="lab_bsac_TypesOfCurrencyAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Types Of Currency</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TypesOfCurrencyAxis" xlink:href="bsac-20251231.xsd#bsac_TypesOfCurrencyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TypesOfCurrencyAxis" xlink:to="lab_bsac_TypesOfCurrencyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HighMember_efb229d1-da4b-484b-8926-14558153ee02_terseLabel_en-US" xlink:label="lab_bsac_HighMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">High</link:label>
    <link:label id="lab_bsac_HighMember_label_en-US" xlink:label="lab_bsac_HighMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">High [Member]</link:label>
    <link:label id="lab_bsac_HighMember_documentation_en-US" xlink:label="lab_bsac_HighMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">High</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HighMember" xlink:href="bsac-20251231.xsd#bsac_HighMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HighMember" xlink:to="lab_bsac_HighMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Stage2Member_be3583fe-fc8e-4eca-812d-31f0508d2683_terseLabel_en-US" xlink:label="lab_bsac_Stage2Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stage 2</link:label>
    <link:label id="lab_bsac_Stage2Member_label_en-US" xlink:label="lab_bsac_Stage2Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stage 2 [Member]</link:label>
    <link:label id="lab_bsac_Stage2Member_documentation_en-US" xlink:label="lab_bsac_Stage2Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stage 2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Stage2Member" xlink:href="bsac-20251231.xsd#bsac_Stage2Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Stage2Member" xlink:to="lab_bsac_Stage2Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherOperatingIncomes_5fc4a127-cfa3-4dff-9b47-0c4a7d8b8254_totalLabel_en-US" xlink:label="lab_bsac_OtherOperatingIncomes" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_OtherOperatingIncomes_label_en-US" xlink:label="lab_bsac_OtherOperatingIncomes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Operating Incomes</link:label>
    <link:label id="lab_bsac_OtherOperatingIncomes_documentation_en-US" xlink:label="lab_bsac_OtherOperatingIncomes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Operating Incomes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherOperatingIncomes" xlink:href="bsac-20251231.xsd#bsac_OtherOperatingIncomes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherOperatingIncomes" xlink:to="lab_bsac_OtherOperatingIncomes" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalSubtotalChileanCentralBankAndGovernmentSecuritiesMember_da0a753c-de93-4a49-9844-891f4c25f777_terseLabel_en-US" xlink:label="lab_bsac_TotalSubtotalChileanCentralBankAndGovernmentSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_bsac_TotalSubtotalChileanCentralBankAndGovernmentSecuritiesMember_label_en-US" xlink:label="lab_bsac_TotalSubtotalChileanCentralBankAndGovernmentSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Subtotal Chilean Central Bank And Government Securities [Member]</link:label>
    <link:label id="lab_bsac_TotalSubtotalChileanCentralBankAndGovernmentSecuritiesMember_documentation_en-US" xlink:label="lab_bsac_TotalSubtotalChileanCentralBankAndGovernmentSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Subtotal Chilean Central Bank And Government Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalSubtotalChileanCentralBankAndGovernmentSecuritiesMember" xlink:href="bsac-20251231.xsd#bsac_TotalSubtotalChileanCentralBankAndGovernmentSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalSubtotalChileanCentralBankAndGovernmentSecuritiesMember" xlink:to="lab_bsac_TotalSubtotalChileanCentralBankAndGovernmentSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FeesAndCommissionsForPrepayments_19d96fd6-a4f2-4564-9f69-e650e905bf1f_terseLabel_en-US" xlink:label="lab_bsac_FeesAndCommissionsForPrepayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fees and commissions for prepayments</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForPrepayments_label_en-US" xlink:label="lab_bsac_FeesAndCommissionsForPrepayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees And Commissions For Prepayments</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForPrepayments_documentation_en-US" xlink:label="lab_bsac_FeesAndCommissionsForPrepayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of fees and commissions for prepayments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FeesAndCommissionsForPrepayments" xlink:href="bsac-20251231.xsd#bsac_FeesAndCommissionsForPrepayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FeesAndCommissionsForPrepayments" xlink:to="lab_bsac_FeesAndCommissionsForPrepayments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory_9c19d684-921b-4fd8-b1f3-3208ce75429f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactions With Related Parties</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of related party [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfRelatedPartyExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankingRegulationSystemicChargeCapitalAdequacyMinimum_3743423b-df37-4292-ac88-5a5f5a3289e2_terseLabel_en-US" xlink:label="lab_bsac_BankingRegulationSystemicChargeCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Systemic Charge</link:label>
    <link:label id="lab_bsac_BankingRegulationSystemicChargeCapitalAdequacyMinimum_label_en-US" xlink:label="lab_bsac_BankingRegulationSystemicChargeCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banking Regulation, Systemic Charge, Capital Adequacy, Minimum</link:label>
    <link:label id="lab_bsac_BankingRegulationSystemicChargeCapitalAdequacyMinimum_documentation_en-US" xlink:label="lab_bsac_BankingRegulationSystemicChargeCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banking Regulation, Systemic Charge, Capital Adequacy, Minimum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankingRegulationSystemicChargeCapitalAdequacyMinimum" xlink:href="bsac-20251231.xsd#bsac_BankingRegulationSystemicChargeCapitalAdequacyMinimum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankingRegulationSystemicChargeCapitalAdequacyMinimum" xlink:to="lab_bsac_BankingRegulationSystemicChargeCapitalAdequacyMinimum" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialDerivativeContractsMember_9da54bde-d188-41d7-bb8e-acc762501984_terseLabel_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsMember_label_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts [Member]</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsMember_documentation_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Classes of financial instruments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialDerivativeContractsMember" xlink:href="bsac-20251231.xsd#bsac_FinancialDerivativeContractsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialDerivativeContractsMember" xlink:to="lab_bsac_FinancialDerivativeContractsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD170624Member_019b9f55-f9f7-72ba-a8b5-c1a1846073c2_terseLabel_en-US" xlink:label="lab_bsac_BSTD170624Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD170624</link:label>
    <link:label id="lab_bsac_BSTD170624Member_label_en-US" xlink:label="lab_bsac_BSTD170624Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD170624 [Member]</link:label>
    <link:label id="lab_bsac_BSTD170624Member_documentation_en-US" xlink:label="lab_bsac_BSTD170624Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD170624</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD170624Member" xlink:href="bsac-20251231.xsd#bsac_BSTD170624Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD170624Member" xlink:to="lab_bsac_BSTD170624Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossRightofuseAssets_933d4d60-b592-4f7b-83d1-bee0e278c908_terseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment</link:label>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossRightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment loss recognised in profit or loss, right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossRightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ImpairmentLossRecognisedInProfitOrLossRightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInProfitOrLossRightofuseAssets" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInProfitOrLossRightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_UnfavorableScenarioOneMember_962694e4-8f7b-4078-b029-2604fff754ed_terseLabel_en-US" xlink:label="lab_bsac_UnfavorableScenarioOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unfavorable scenario 1</link:label>
    <link:label id="lab_bsac_UnfavorableScenarioOneMember_019b3721-a291-74a8-83bd-7ca19e4b9e15_verboseLabel_en-US" xlink:label="lab_bsac_UnfavorableScenarioOneMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unfavorable scenarios 2</link:label>
    <link:label id="lab_bsac_UnfavorableScenarioOneMember_label_en-US" xlink:label="lab_bsac_UnfavorableScenarioOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unfavorable Scenario One [Member]</link:label>
    <link:label id="lab_bsac_UnfavorableScenarioOneMember_documentation_en-US" xlink:label="lab_bsac_UnfavorableScenarioOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for unfavorable scenario one.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_UnfavorableScenarioOneMember" xlink:href="bsac-20251231.xsd#bsac_UnfavorableScenarioOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_UnfavorableScenarioOneMember" xlink:to="lab_bsac_UnfavorableScenarioOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ConsolidatedStatementsOfChangesInEquityAbstract_bca10cd4-0809-47eb-a7f4-eabcf8c03023_terseLabel_en-US" xlink:label="lab_bsac_ConsolidatedStatementsOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidated Statements Of Changes In Equity Abstract</link:label>
    <link:label id="lab_bsac_ConsolidatedStatementsOfChangesInEquityAbstract_label_en-US" xlink:label="lab_bsac_ConsolidatedStatementsOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated Statements Of Changes In Equity Abstract</link:label>
    <link:label id="lab_bsac_ConsolidatedStatementsOfChangesInEquityAbstract_documentation_en-US" xlink:label="lab_bsac_ConsolidatedStatementsOfChangesInEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consolidated Statements Of Changes In Equity Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ConsolidatedStatementsOfChangesInEquityAbstract" xlink:href="bsac-20251231.xsd#bsac_ConsolidatedStatementsOfChangesInEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ConsolidatedStatementsOfChangesInEquityAbstract" xlink:to="lab_bsac_ConsolidatedStatementsOfChangesInEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OversightContributionsToTheRegulator_44f7ab85-3bfe-40d1-a360-8fc170a0a457_negatedTerseLabel_en-US" xlink:label="lab_bsac_OversightContributionsToTheRegulator" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Oversight contributions to the regulator</link:label>
    <link:label id="lab_bsac_OversightContributionsToTheRegulator_label_en-US" xlink:label="lab_bsac_OversightContributionsToTheRegulator" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Oversight Contributions To The Regulator</link:label>
    <link:label id="lab_bsac_OversightContributionsToTheRegulator_documentation_en-US" xlink:label="lab_bsac_OversightContributionsToTheRegulator" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about contributions to sbif.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OversightContributionsToTheRegulator" xlink:href="bsac-20251231.xsd#bsac_OversightContributionsToTheRegulator"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OversightContributionsToTheRegulator" xlink:to="lab_bsac_OversightContributionsToTheRegulator" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ValueAtRiskEstimatedMeasuringPeriod_b9bb9f92-0d04-4222-b670-80df2293b20b_terseLabel_en-US" xlink:label="lab_bsac_ValueAtRiskEstimatedMeasuringPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value at risk estimated measuring period</link:label>
    <link:label id="lab_bsac_ValueAtRiskEstimatedMeasuringPeriod_label_en-US" xlink:label="lab_bsac_ValueAtRiskEstimatedMeasuringPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Value at Risk Estimated Measuring Period</link:label>
    <link:label id="lab_bsac_ValueAtRiskEstimatedMeasuringPeriod_documentation_en-US" xlink:label="lab_bsac_ValueAtRiskEstimatedMeasuringPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Value at Risk Estimated Measuring Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ValueAtRiskEstimatedMeasuringPeriod" xlink:href="bsac-20251231.xsd#bsac_ValueAtRiskEstimatedMeasuringPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ValueAtRiskEstimatedMeasuringPeriod" xlink:to="lab_bsac_ValueAtRiskEstimatedMeasuringPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountTable_7a55ff4d-c9af-47b6-980d-d1ed541c3a1b_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountTable_label_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfGrossCarryingAmountTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfGrossCarryingAmountTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfGrossCarryingAmountTable" xlink:to="lab_bsac_ScheduleOfGrossCarryingAmountTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageMember_b5f9560f-cd2e-4bcf-83b6-9cab1e805557_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageMember_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WeightedAverageMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageMember" xlink:to="lab_ifrs-full_WeightedAverageMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset1_ad6458a2-f145-49a5-882e-9de304033898_terseLabel_en-US" xlink:label="lab_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Benefits paid</link:label>
    <link:label id="lab_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset1_label_en-US" xlink:label="lab_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Benefits Paid Net Defined Benefit Liability Asset1</link:label>
    <link:label id="lab_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset1_documentation_en-US" xlink:label="lab_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset1" xlink:href="bsac-20251231.xsd#bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset1" xlink:to="lab_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DebtInstrumentsHeld_54a43d80-157d-42de-b736-561cf0ab9b55_totalLabel_en-US" xlink:label="lab_ifrs-full_DebtInstrumentsHeld" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_DebtInstrumentsHeld_label_en-US" xlink:label="lab_ifrs-full_DebtInstrumentsHeld" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt instruments held</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DebtInstrumentsHeld" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DebtInstrumentsHeld"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DebtInstrumentsHeld" xlink:to="lab_ifrs-full_DebtInstrumentsHeld" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoanFromMortgage_279d8d2e-cd0c-46b1-8b64-6caad59e378a_terseLabel_en-US" xlink:label="lab_bsac_LoanFromMortgage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan from mortgage</link:label>
    <link:label id="lab_bsac_LoanFromMortgage_label_en-US" xlink:label="lab_bsac_LoanFromMortgage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan From Mortgage</link:label>
    <link:label id="lab_bsac_LoanFromMortgage_documentation_en-US" xlink:label="lab_bsac_LoanFromMortgage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of loan from mortgage and other commercial portfolios.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoanFromMortgage" xlink:href="bsac-20251231.xsd#bsac_LoanFromMortgage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoanFromMortgage" xlink:to="lab_bsac_LoanFromMortgage" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExposureToInflationRisk_67591c79-8f2f-46b5-a6f6-f7d5e1d4617e_terseLabel_en-US" xlink:label="lab_bsac_ExposureToInflationRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exposure to Inflation Risk</link:label>
    <link:label id="lab_bsac_ExposureToInflationRisk_label_en-US" xlink:label="lab_bsac_ExposureToInflationRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exposure To Inflation Risk</link:label>
    <link:label id="lab_bsac_ExposureToInflationRisk_documentation_en-US" xlink:label="lab_bsac_ExposureToInflationRisk" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exposure to inflation risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExposureToInflationRisk" xlink:href="bsac-20251231.xsd#bsac_ExposureToInflationRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExposureToInflationRisk" xlink:to="lab_bsac_ExposureToInflationRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_UniversiaHoldingS.L.SpainGroupInstitutionalServicesMonthlyMember_019b9f64-bbc0-73bd-a316-69cd219a9181_terseLabel_en-US" xlink:label="lab_bsac_UniversiaHoldingS.L.SpainGroupInstitutionalServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Universia Holding, S.L.| Spain| Group| Institutional Services| Monthly</link:label>
    <link:label id="lab_bsac_UniversiaHoldingS.L.SpainGroupInstitutionalServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_UniversiaHoldingS.L.SpainGroupInstitutionalServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Universia Holding, S.L.| Spain| Group| Institutional Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_UniversiaHoldingS.L.SpainGroupInstitutionalServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_UniversiaHoldingS.L.SpainGroupInstitutionalServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Universia Holding, S.L.| Spain| Group| Institutional Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_UniversiaHoldingS.L.SpainGroupInstitutionalServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_UniversiaHoldingS.L.SpainGroupInstitutionalServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_UniversiaHoldingS.L.SpainGroupInstitutionalServicesMonthlyMember" xlink:to="lab_bsac_UniversiaHoldingS.L.SpainGroupInstitutionalServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TaxEffectOfPriceLevelRestatementForTaxPurposes_1f791778-56f6-486b-a721-5ec6d085d77f_terseLabel_en-US" xlink:label="lab_bsac_TaxEffectOfPriceLevelRestatementForTaxPurposes" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Price level restatement for tax purposes, amount</link:label>
    <link:label id="lab_bsac_TaxEffectOfPriceLevelRestatementForTaxPurposes_label_en-US" xlink:label="lab_bsac_TaxEffectOfPriceLevelRestatementForTaxPurposes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Effect Of Price Level Restatement For Tax Purposes</link:label>
    <link:label id="lab_bsac_TaxEffectOfPriceLevelRestatementForTaxPurposes_documentation_en-US" xlink:label="lab_bsac_TaxEffectOfPriceLevelRestatementForTaxPurposes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of tax effect of price level restatement for tax purposes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TaxEffectOfPriceLevelRestatementForTaxPurposes" xlink:href="bsac-20251231.xsd#bsac_TaxEffectOfPriceLevelRestatementForTaxPurposes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TaxEffectOfPriceLevelRestatementForTaxPurposes" xlink:to="lab_bsac_TaxEffectOfPriceLevelRestatementForTaxPurposes" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ResultOfDiscontinuedOperations_5122f183-705a-4319-ac25-adb313452756_terseLabel_en-US" xlink:label="lab_bsac_ResultOfDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Result of discontinued operations</link:label>
    <link:label id="lab_bsac_ResultOfDiscontinuedOperations_label_en-US" xlink:label="lab_bsac_ResultOfDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Result Of Discontinued Operations</link:label>
    <link:label id="lab_bsac_ResultOfDiscontinuedOperations_documentation_en-US" xlink:label="lab_bsac_ResultOfDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Result of discontinued operations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ResultOfDiscontinuedOperations" xlink:href="bsac-20251231.xsd#bsac_ResultOfDiscontinuedOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ResultOfDiscontinuedOperations" xlink:to="lab_bsac_ResultOfDiscontinuedOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CurrentGrantCredits_e035f590-e3fd-4396-9f59-c2b899d8a342_negatedTerseLabel_en-US" xlink:label="lab_bsac_CurrentGrantCredits" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Grant credits</link:label>
    <link:label id="lab_bsac_CurrentGrantCredits_label_en-US" xlink:label="lab_bsac_CurrentGrantCredits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Grant Credits</link:label>
    <link:label id="lab_bsac_CurrentGrantCredits_documentation_en-US" xlink:label="lab_bsac_CurrentGrantCredits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current grant credits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CurrentGrantCredits" xlink:href="bsac-20251231.xsd#bsac_CurrentGrantCredits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CurrentGrantCredits" xlink:to="lab_bsac_CurrentGrantCredits" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtInstrumentAtAmortizedCost_847e4fd1-380b-4319-af26-ddd83c4770fd_terseLabel_en-US" xlink:label="lab_bsac_DebtInstrumentAtAmortizedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument at amortized cost</link:label>
    <link:label id="lab_bsac_DebtInstrumentAtAmortizedCost_label_en-US" xlink:label="lab_bsac_DebtInstrumentAtAmortizedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument At Amortized Cost</link:label>
    <link:label id="lab_bsac_DebtInstrumentAtAmortizedCost_documentation_en-US" xlink:label="lab_bsac_DebtInstrumentAtAmortizedCost" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of debt instrument at amortized cost.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtInstrumentAtAmortizedCost" xlink:href="bsac-20251231.xsd#bsac_DebtInstrumentAtAmortizedCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtInstrumentAtAmortizedCost" xlink:to="lab_bsac_DebtInstrumentAtAmortizedCost" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_47dcb338-6fe6-4458-ba2d-b7bdb28e3622_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition of investments</link:label>
    <link:label id="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SubordinatedBond_1f604acb-da36-41b0-afa5-69d20f3d264f_terseLabel_en-US" xlink:label="lab_bsac_SubordinatedBond" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subordinated bond</link:label>
    <link:label id="lab_bsac_SubordinatedBond_label_en-US" xlink:label="lab_bsac_SubordinatedBond" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subordinated Bond</link:label>
    <link:label id="lab_bsac_SubordinatedBond_documentation_en-US" xlink:label="lab_bsac_SubordinatedBond" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of liabilities that are subordinate to other liabilities with respect to claims.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubordinatedBond" xlink:href="bsac-20251231.xsd#bsac_SubordinatedBond"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubordinatedBond" xlink:to="lab_bsac_SubordinatedBond" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TopOfRangeMember_e2149938-1792-4e99-a33b-47022282e1bd_terseLabel_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Top of range</link:label>
    <link:label id="lab_ifrs-full_TopOfRangeMember_c4d84381-d281-4ef0-a42e-9065060c4e8e_verboseLabel_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">High</link:label>
    <link:label id="lab_ifrs-full_TopOfRangeMember_label_en-US" xlink:label="lab_ifrs-full_TopOfRangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Top of range [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TopOfRangeMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TopOfRangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TopOfRangeMember" xlink:to="lab_ifrs-full_TopOfRangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtInstrumentsCurrent_8668424a-8b8e-472a-9775-818f75a991f2_terseLabel_en-US" xlink:label="lab_bsac_DebtInstrumentsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total current</link:label>
    <link:label id="lab_bsac_DebtInstrumentsCurrent_label_en-US" xlink:label="lab_bsac_DebtInstrumentsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instruments Current</link:label>
    <link:label id="lab_bsac_DebtInstrumentsCurrent_documentation_en-US" xlink:label="lab_bsac_DebtInstrumentsCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of instruments current issued by the entity that represent indebtedness.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtInstrumentsCurrent" xlink:href="bsac-20251231.xsd#bsac_DebtInstrumentsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtInstrumentsCurrent" xlink:to="lab_bsac_DebtInstrumentsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutNotMeasuredAtFairValueMeasurementExplanatoryTableTextBlock_2ae0ccbd-52a4-4c9d-b047-22d9f858fb99_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutNotMeasuredAtFairValueMeasurementExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Assets or Liabilities Which Are Not Measured At Fair Value</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutNotMeasuredAtFairValueMeasurementExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutNotMeasuredAtFairValueMeasurementExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Not Measured At Fair Value Measurement Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutNotMeasuredAtFairValueMeasurementExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutNotMeasuredAtFairValueMeasurementExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about not measured at fair value measurement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutNotMeasuredAtFairValueMeasurementExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutNotMeasuredAtFairValueMeasurementExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutNotMeasuredAtFairValueMeasurementExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutNotMeasuredAtFairValueMeasurementExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CapitalAttributableToNoncontrollingInterests_9ea06266-cb65-43f1-ab66-ff421bc032af_terseLabel_en-US" xlink:label="lab_bsac_CapitalAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital</link:label>
    <link:label id="lab_bsac_CapitalAttributableToNoncontrollingInterests_label_en-US" xlink:label="lab_bsac_CapitalAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Attributable To Noncontrolling Interests</link:label>
    <link:label id="lab_bsac_CapitalAttributableToNoncontrollingInterests_documentation_en-US" xlink:label="lab_bsac_CapitalAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of capital attributable to noncontrolling interests.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CapitalAttributableToNoncontrollingInterests" xlink:href="bsac-20251231.xsd#bsac_CapitalAttributableToNoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CapitalAttributableToNoncontrollingInterests" xlink:to="lab_bsac_CapitalAttributableToNoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansAndAccountReceivableAtAmortizedCost_45b3b144-75a9-4d68-8eb8-74025d98d4a0_terseLabel_en-US" xlink:label="lab_bsac_LoansAndAccountReceivableAtAmortizedCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and account receivable at amortised cost /</link:label>
    <link:label id="lab_bsac_LoansAndAccountReceivableAtAmortizedCost_label_en-US" xlink:label="lab_bsac_LoansAndAccountReceivableAtAmortizedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Account Receivable At Amortized Cost</link:label>
    <link:label id="lab_bsac_LoansAndAccountReceivableAtAmortizedCost_documentation_en-US" xlink:label="lab_bsac_LoansAndAccountReceivableAtAmortizedCost" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of loans and account receivable at amortized cost.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansAndAccountReceivableAtAmortizedCost" xlink:href="bsac-20251231.xsd#bsac_LoansAndAccountReceivableAtAmortizedCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansAndAccountReceivableAtAmortizedCost" xlink:to="lab_bsac_LoansAndAccountReceivableAtAmortizedCost" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CreditLossAllowance_570e834e-a17c-464d-bc8f-bc06f0202f4b_terseLabel_en-US" xlink:label="lab_bsac_CreditLossAllowance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit loss allowance (in Pesos)</link:label>
    <link:label id="lab_bsac_CreditLossAllowance_label_en-US" xlink:label="lab_bsac_CreditLossAllowance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Loss Allowance</link:label>
    <link:label id="lab_bsac_CreditLossAllowance_documentation_en-US" xlink:label="lab_bsac_CreditLossAllowance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit loss allowance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CreditLossAllowance" xlink:href="bsac-20251231.xsd#bsac_CreditLossAllowance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CreditLossAllowance" xlink:to="lab_bsac_CreditLossAllowance" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsLineItems_de5be55e-9354-4956-8a13-dbf3da76f9a4_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Security Interests, Collateral, or Credit Improvements [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Security Interests, Collateral, or Credit Improvements [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Security Interests, Collateral, or Credit Improvements [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsLineItems" xlink:to="lab_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD1706243Member_019bf9bb-e25e-7980-bb2b-c2b2528049ab_terseLabel_en-US" xlink:label="lab_bsac_BSTD1706243Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD170624</link:label>
    <link:label id="lab_bsac_BSTD1706243Member_label_en-US" xlink:label="lab_bsac_BSTD1706243Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD170624-3 [Member]</link:label>
    <link:label id="lab_bsac_BSTD1706243Member_documentation_en-US" xlink:label="lab_bsac_BSTD1706243Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD170624-3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD1706243Member" xlink:href="bsac-20251231.xsd#bsac_BSTD1706243Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD1706243Member" xlink:to="lab_bsac_BSTD1706243Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInDebitsInCustomersCheckingAccounts_883a41f8-0ab4-4d93-bf16-16c330a413bd_terseLabel_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInDebitsInCustomersCheckingAccounts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase/(decrease) of debits in customers checking accounts</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInDebitsInCustomersCheckingAccounts_label_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInDebitsInCustomersCheckingAccounts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Decrease Increase In Debits In Customers Checking Accounts</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInDebitsInCustomersCheckingAccounts_documentation_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInDebitsInCustomersCheckingAccounts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustments for decrease increase in debits in customers checking accounts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentsForDecreaseIncreaseInDebitsInCustomersCheckingAccounts" xlink:href="bsac-20251231.xsd#bsac_AdjustmentsForDecreaseIncreaseInDebitsInCustomersCheckingAccounts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentsForDecreaseIncreaseInDebitsInCustomersCheckingAccounts" xlink:to="lab_bsac_AdjustmentsForDecreaseIncreaseInDebitsInCustomersCheckingAccounts" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationOtherLongtermBenefits1_7b41ae67-812c-491a-9630-44ba73e4ee00_terseLabel_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationOtherLongtermBenefits1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other personnel expenses</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationOtherLongtermBenefits1_label_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationOtherLongtermBenefits1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key Management Personnel Compensation Other Longterm Benefits1</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationOtherLongtermBenefits1_documentation_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationOtherLongtermBenefits1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of compensation to key management personnel in the form of other long-term employee benefits. [Refer: Other long-term employee benefits; Key management personnel of entity or parent [member]]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_KeyManagementPersonnelCompensationOtherLongtermBenefits1" xlink:href="bsac-20251231.xsd#bsac_KeyManagementPersonnelCompensationOtherLongtermBenefits1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_KeyManagementPersonnelCompensationOtherLongtermBenefits1" xlink:to="lab_bsac_KeyManagementPersonnelCompensationOtherLongtermBenefits1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LeaseContractsMember_1c053e2f-5d2d-4ecb-952d-76299fffb848_terseLabel_en-US" xlink:label="lab_bsac_LeaseContractsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease contracts</link:label>
    <link:label id="lab_bsac_LeaseContractsMember_label_en-US" xlink:label="lab_bsac_LeaseContractsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease Contracts [Member]</link:label>
    <link:label id="lab_bsac_LeaseContractsMember_documentation_en-US" xlink:label="lab_bsac_LeaseContractsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lease Contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LeaseContractsMember" xlink:href="bsac-20251231.xsd#bsac_LeaseContractsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LeaseContractsMember" xlink:to="lab_bsac_LeaseContractsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossessAllowances1_931448b9-4600-4255-9462-bff6b763ee78_periodStartLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossessAllowances1" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Expected credit losses allowances, beginning balance</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossessAllowances1_d80c28e7-cb13-4d52-a0eb-28ed071e5a0a_periodEndLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossessAllowances1" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Expected credit losses allowances, Ending balance</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossessAllowances1_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossessAllowances1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Lossess Allowances1</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossessAllowances1_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossessAllowances1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected credit losses allowances, beginning balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossessAllowances1" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossessAllowances1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossessAllowances1" xlink:to="lab_bsac_ExpectedCreditLossessAllowances1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain_bad90c19-ab21-4381-aec1-918677de677e_terseLabel_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Valuation techniques used in fair value measurement [domain]</link:label>
    <link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain_label_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Valuation techniques used in fair value measurement [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:to="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForExpectedCreditLossesAllowanceUnderIfrs9ExplanatoryPolicyTextBlock_3d7b4271-7b1e-4e84-9e7a-f0a278509c76_terseLabel_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForExpectedCreditLossesAllowanceUnderIfrs9ExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected credit losses allowance &#8211; under IFRS 9</link:label>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForExpectedCreditLossesAllowanceUnderIfrs9ExplanatoryPolicyTextBlock_label_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForExpectedCreditLossesAllowanceUnderIfrs9ExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Expected Credit Losses Allowance Under Ifrs9 Explanatory [Policy Text Block]</link:label>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForExpectedCreditLossesAllowanceUnderIfrs9ExplanatoryPolicyTextBlock_documentation_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForExpectedCreditLossesAllowanceUnderIfrs9ExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure represents the description of accounting policy for expected credit losses allowance under ifrs9 explanatory.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DescriptionOfAccountingPolicyForExpectedCreditLossesAllowanceUnderIfrs9ExplanatoryPolicyTextBlock" xlink:href="bsac-20251231.xsd#bsac_DescriptionOfAccountingPolicyForExpectedCreditLossesAllowanceUnderIfrs9ExplanatoryPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DescriptionOfAccountingPolicyForExpectedCreditLossesAllowanceUnderIfrs9ExplanatoryPolicyTextBlock" xlink:to="lab_bsac_DescriptionOfAccountingPolicyForExpectedCreditLossesAllowanceUnderIfrs9ExplanatoryPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialInstrumentsCreditimpairedMember_df196a65-708d-44d5-98a3-78b9481060a6_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialInstrumentsCreditimpairedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impaired financial assets</link:label>
    <link:label id="lab_ifrs-full_FinancialInstrumentsCreditimpairedMember_label_en-US" xlink:label="lab_ifrs-full_FinancialInstrumentsCreditimpairedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial instruments credit-impaired [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialInstrumentsCreditimpairedMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialInstrumentsCreditimpairedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialInstrumentsCreditimpairedMember" xlink:to="lab_ifrs-full_FinancialInstrumentsCreditimpairedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxAssetsOthers_44a24bfc-0b39-40b9-86cc-697b14819968_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxAssetsOthers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsOthers_label_en-US" xlink:label="lab_bsac_DeferredTaxAssetsOthers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Others</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsOthers_documentation_en-US" xlink:label="lab_bsac_DeferredTaxAssetsOthers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other deferred tax assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxAssetsOthers" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxAssetsOthers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxAssetsOthers" xlink:to="lab_bsac_DeferredTaxAssetsOthers" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ComderContraparteCentralSAMember_877a254e-ac8f-45b0-b9f1-44a0de6af48a_terseLabel_en-US" xlink:label="lab_bsac_ComderContraparteCentralSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Comder Contraparte Central S.A.</link:label>
    <link:label id="lab_bsac_ComderContraparteCentralSAMember_label_en-US" xlink:label="lab_bsac_ComderContraparteCentralSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comder Contraparte Central SA [Member]</link:label>
    <link:label id="lab_bsac_ComderContraparteCentralSAMember_documentation_en-US" xlink:label="lab_bsac_ComderContraparteCentralSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Comder Contraparte Central SA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ComderContraparteCentralSAMember" xlink:href="bsac-20251231.xsd#bsac_ComderContraparteCentralSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ComderContraparteCentralSAMember" xlink:to="lab_bsac_ComderContraparteCentralSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionsForSecuritizations_57de39a2-2625-4319-8d24-8d1ebee1d5bd_terseLabel_en-US" xlink:label="lab_bsac_CommissionsForSecuritizations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commissions for securitizations</link:label>
    <link:label id="lab_bsac_CommissionsForSecuritizations_label_en-US" xlink:label="lab_bsac_CommissionsForSecuritizations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commissions For Securitizations</link:label>
    <link:label id="lab_bsac_CommissionsForSecuritizations_documentation_en-US" xlink:label="lab_bsac_CommissionsForSecuritizations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of commissions for securitizations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionsForSecuritizations" xlink:href="bsac-20251231.xsd#bsac_CommissionsForSecuritizations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionsForSecuritizations" xlink:to="lab_bsac_CommissionsForSecuritizations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesStagesDomain_e2ecb977-e42d-4b67-b2b3-2e54b9fcd850_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesStagesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Stages [Domain]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesStagesDomain_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesStagesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Stages [Domain]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesStagesDomain_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesStagesDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Stages [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesStagesDomain" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesStagesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesStagesDomain" xlink:to="lab_bsac_ExpectedCreditLossesStagesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutMaturitiesOfSeniorBondsExplanatoryTableTextBlock_be6bb5c0-b3ee-43a4-8772-2943684fad68_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutMaturitiesOfSeniorBondsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Maturities of Senior Bonds</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutMaturitiesOfSeniorBondsExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutMaturitiesOfSeniorBondsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Maturities Of Senior Bonds Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutMaturitiesOfSeniorBondsExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutMaturitiesOfSeniorBondsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about maturities of senior bonds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutMaturitiesOfSeniorBondsExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutMaturitiesOfSeniorBondsExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutMaturitiesOfSeniorBondsExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutMaturitiesOfSeniorBondsExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialLiabilitiesAtAmortisedCostTextBlock_5ce9e552-dea2-48e1-b977-228b36b7d42f_terseLabel_en-US" xlink:label="lab_bsac_FinancialLiabilitiesAtAmortisedCostTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Liabilities at Amortised Cost</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesAtAmortisedCostTextBlock_label_en-US" xlink:label="lab_bsac_FinancialLiabilitiesAtAmortisedCostTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Liabilities At Amortised Cost [Text Block]</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesAtAmortisedCostTextBlock_documentation_en-US" xlink:label="lab_bsac_FinancialLiabilitiesAtAmortisedCostTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure of financial liabilities at amortised cost.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialLiabilitiesAtAmortisedCostTextBlock" xlink:href="bsac-20251231.xsd#bsac_FinancialLiabilitiesAtAmortisedCostTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialLiabilitiesAtAmortisedCostTextBlock" xlink:to="lab_bsac_FinancialLiabilitiesAtAmortisedCostTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ResaleAgreementsMember_ce3470a3-4d0b-409a-83f5-b0bdad446f06_terseLabel_en-US" xlink:label="lab_bsac_ResaleAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Resale agreements</link:label>
    <link:label id="lab_bsac_ResaleAgreementsMember_label_en-US" xlink:label="lab_bsac_ResaleAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Resale Agreements [Member]</link:label>
    <link:label id="lab_bsac_ResaleAgreementsMember_documentation_en-US" xlink:label="lab_bsac_ResaleAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Classes of financial assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ResaleAgreementsMember" xlink:href="bsac-20251231.xsd#bsac_ResaleAgreementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ResaleAgreementsMember" xlink:to="lab_bsac_ResaleAgreementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressCityOrTown_91ca293e-dde3-4d49-b737-a3a52cc2ba3f_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, City or Town</link:label>
    <link:label id="lab_dei_EntityAddressCityOrTown_label_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, City or Town</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressCityOrTown"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCityOrTown" xlink:to="lab_dei_EntityAddressCityOrTown" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherMachinesAndEquipmentMember_702deb74-e7ed-4429-a998-eb34ff7b4bfa_terseLabel_en-US" xlink:label="lab_bsac_OtherMachinesAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Office furniture</link:label>
    <link:label id="lab_bsac_OtherMachinesAndEquipmentMember_label_en-US" xlink:label="lab_bsac_OtherMachinesAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Machines And Equipment [Member]</link:label>
    <link:label id="lab_bsac_OtherMachinesAndEquipmentMember_documentation_en-US" xlink:label="lab_bsac_OtherMachinesAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Machines And Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherMachinesAndEquipmentMember" xlink:href="bsac-20251231.xsd#bsac_OtherMachinesAndEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherMachinesAndEquipmentMember" xlink:to="lab_bsac_OtherMachinesAndEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ShinhanBankMember_2907b8fa-e26a-4b37-9da3-e5dec3277506_terseLabel_en-US" xlink:label="lab_bsac_ShinhanBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shinhan Bank</link:label>
    <link:label id="lab_bsac_ShinhanBankMember_label_en-US" xlink:label="lab_bsac_ShinhanBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shinhan Bank [Member]</link:label>
    <link:label id="lab_bsac_ShinhanBankMember_documentation_en-US" xlink:label="lab_bsac_ShinhanBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shinhan Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ShinhanBankMember" xlink:href="bsac-20251231.xsd#bsac_ShinhanBankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ShinhanBankMember" xlink:to="lab_bsac_ShinhanBankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherDemandDepositsMember_638996a3-f6ce-4e99-9b77-2a766dc0fffd_terseLabel_en-US" xlink:label="lab_bsac_OtherDemandDepositsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other demand deposits</link:label>
    <link:label id="lab_bsac_OtherDemandDepositsMember_label_en-US" xlink:label="lab_bsac_OtherDemandDepositsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Demand Deposits [Member]</link:label>
    <link:label id="lab_bsac_OtherDemandDepositsMember_documentation_en-US" xlink:label="lab_bsac_OtherDemandDepositsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Demand Deposits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherDemandDepositsMember" xlink:href="bsac-20251231.xsd#bsac_OtherDemandDepositsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherDemandDepositsMember" xlink:to="lab_bsac_OtherDemandDepositsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncomeTaxCalculatedOnNetIncomeBeforeTax_9db6f4a5-18e8-499c-9a23-c8fc785f0619_terseLabel_en-US" xlink:label="lab_bsac_IncomeTaxCalculatedOnNetIncomeBeforeTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax calculated over profit before tax, amount</link:label>
    <link:label id="lab_bsac_IncomeTaxCalculatedOnNetIncomeBeforeTax_label_en-US" xlink:label="lab_bsac_IncomeTaxCalculatedOnNetIncomeBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Calculated On Net Income Before Tax</link:label>
    <link:label id="lab_bsac_IncomeTaxCalculatedOnNetIncomeBeforeTax_documentation_en-US" xlink:label="lab_bsac_IncomeTaxCalculatedOnNetIncomeBeforeTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of income tax calculated on net income before tax.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncomeTaxCalculatedOnNetIncomeBeforeTax" xlink:href="bsac-20251231.xsd#bsac_IncomeTaxCalculatedOnNetIncomeBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncomeTaxCalculatedOnNetIncomeBeforeTax" xlink:to="lab_bsac_IncomeTaxCalculatedOnNetIncomeBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherExpensesForObligationsUnderLeaseContracts_019bf93e-351a-7ce1-8f56-b66575138df6_negatedTerseLabel_en-US" xlink:label="lab_bsac_OtherExpensesForObligationsUnderLeaseContracts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other expenses for obligations under lease contracts</link:label>
    <link:label id="lab_bsac_OtherExpensesForObligationsUnderLeaseContracts_label_en-US" xlink:label="lab_bsac_OtherExpensesForObligationsUnderLeaseContracts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Expenses For Obligations Under Lease Contracts</link:label>
    <link:label id="lab_bsac_OtherExpensesForObligationsUnderLeaseContracts_documentation_en-US" xlink:label="lab_bsac_OtherExpensesForObligationsUnderLeaseContracts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Expenses For Obligations Under Lease Contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherExpensesForObligationsUnderLeaseContracts" xlink:href="bsac-20251231.xsd#bsac_OtherExpensesForObligationsUnderLeaseContracts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherExpensesForObligationsUnderLeaseContracts" xlink:to="lab_bsac_OtherExpensesForObligationsUnderLeaseContracts" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SignificantEventsAbstract_3001a28e-183a-4b6b-b535-fe1c818e90a0_terseLabel_en-US" xlink:label="lab_bsac_SignificantEventsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant Events [Abstract]</link:label>
    <link:label id="lab_bsac_SignificantEventsAbstract_label_en-US" xlink:label="lab_bsac_SignificantEventsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Events [Abstract]</link:label>
    <link:label id="lab_bsac_SignificantEventsAbstract_documentation_en-US" xlink:label="lab_bsac_SignificantEventsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Significant Events [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SignificantEventsAbstract" xlink:href="bsac-20251231.xsd#bsac_SignificantEventsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SignificantEventsAbstract" xlink:to="lab_bsac_SignificantEventsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfEffectiveTaxRateReconciliationExplanatoryTableTextBlockTableTextBlock_185799ef-918d-444a-b2c4-162ce767b189_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfEffectiveTaxRateReconciliationExplanatoryTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Effective Tax Rate Reconciliation</link:label>
    <link:label id="lab_bsac_ScheduleOfEffectiveTaxRateReconciliationExplanatoryTableTextBlockTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfEffectiveTaxRateReconciliationExplanatoryTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Effective Tax Rate Reconciliation Explanatory Table Text Block [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfEffectiveTaxRateReconciliationExplanatoryTableTextBlockTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfEffectiveTaxRateReconciliationExplanatoryTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure effective tax rate reconciliation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfEffectiveTaxRateReconciliationExplanatoryTableTextBlockTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfEffectiveTaxRateReconciliationExplanatoryTableTextBlockTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfEffectiveTaxRateReconciliationExplanatoryTableTextBlockTableTextBlock" xlink:to="lab_bsac_ScheduleOfEffectiveTaxRateReconciliationExplanatoryTableTextBlockTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LiabilityAmount_6aab9c2f-eaf0-42b6-81be-5167c05d5260_totalLabel_en-US" xlink:label="lab_bsac_LiabilityAmount" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Amount in Statements of Financial Position</link:label>
    <link:label id="lab_bsac_LiabilityAmount_label_en-US" xlink:label="lab_bsac_LiabilityAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liability Amount</link:label>
    <link:label id="lab_bsac_LiabilityAmount_documentation_en-US" xlink:label="lab_bsac_LiabilityAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Liability amount.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LiabilityAmount" xlink:href="bsac-20251231.xsd#bsac_LiabilityAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LiabilityAmount" xlink:to="lab_bsac_LiabilityAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EmployeeBenefitsSeniorityCompensationExpense_67e6f873-d3a8-42a3-ab7e-5af3d6da511b_negatedLabel_en-US" xlink:label="lab_bsac_EmployeeBenefitsSeniorityCompensationExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Seniority compensation</link:label>
    <link:label id="lab_bsac_EmployeeBenefitsSeniorityCompensationExpense_label_en-US" xlink:label="lab_bsac_EmployeeBenefitsSeniorityCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Benefits Seniority Compensation Expense</link:label>
    <link:label id="lab_bsac_EmployeeBenefitsSeniorityCompensationExpense_documentation_en-US" xlink:label="lab_bsac_EmployeeBenefitsSeniorityCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The expense of lunch and seniority compensation form of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EmployeeBenefitsSeniorityCompensationExpense" xlink:href="bsac-20251231.xsd#bsac_EmployeeBenefitsSeniorityCompensationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EmployeeBenefitsSeniorityCompensationExpense" xlink:to="lab_bsac_EmployeeBenefitsSeniorityCompensationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_StageDomain_019b9efb-ce38-7fa7-a30b-f25c4a8623ee_terseLabel_en-US" xlink:label="lab_bsac_StageDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stage [Domain]</link:label>
    <link:label id="lab_bsac_StageDomain_label_en-US" xlink:label="lab_bsac_StageDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stage [Domain]</link:label>
    <link:label id="lab_bsac_StageDomain_documentation_en-US" xlink:label="lab_bsac_StageDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stage [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_StageDomain" xlink:href="bsac-20251231.xsd#bsac_StageDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_StageDomain" xlink:to="lab_bsac_StageDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_c0c5ba68-a098-4829-b7f0-05b7f79b1f7a_negatedLabel_en-US" xlink:label="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Year&#8217;s amortisation</link:label>
    <link:label id="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortisation, intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentForDistributionOfPriorYearIncomeLossMember_019c58a5-f575-7f25-b616-b45f3240e3d6_terseLabel_en-US" xlink:label="lab_bsac_AdjustmentForDistributionOfPriorYearIncomeLossMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Distribution of income from previous period</link:label>
    <link:label id="lab_bsac_AdjustmentForDistributionOfPriorYearIncomeLossMember_label_en-US" xlink:label="lab_bsac_AdjustmentForDistributionOfPriorYearIncomeLossMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment For Distribution Of Prior Year Income (Loss) [Member]</link:label>
    <link:label id="lab_bsac_AdjustmentForDistributionOfPriorYearIncomeLossMember_documentation_en-US" xlink:label="lab_bsac_AdjustmentForDistributionOfPriorYearIncomeLossMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustment For Distribution Of Prior Year Income (Loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentForDistributionOfPriorYearIncomeLossMember" xlink:href="bsac-20251231.xsd#bsac_AdjustmentForDistributionOfPriorYearIncomeLossMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentForDistributionOfPriorYearIncomeLossMember" xlink:to="lab_bsac_AdjustmentForDistributionOfPriorYearIncomeLossMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherChileanDebtFinancialSecuritiesMember_5aeb8e87-84b9-4aed-955f-4ba4fb7175f4_terseLabel_en-US" xlink:label="lab_bsac_OtherChileanDebtFinancialSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Chilean debt financial securities</link:label>
    <link:label id="lab_bsac_OtherChileanDebtFinancialSecuritiesMember_label_en-US" xlink:label="lab_bsac_OtherChileanDebtFinancialSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Chilean Debt Financial Securities [Member]</link:label>
    <link:label id="lab_bsac_OtherChileanDebtFinancialSecuritiesMember_documentation_en-US" xlink:label="lab_bsac_OtherChileanDebtFinancialSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Chilean Debt Financial Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherChileanDebtFinancialSecuritiesMember" xlink:href="bsac-20251231.xsd#bsac_OtherChileanDebtFinancialSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherChileanDebtFinancialSecuritiesMember" xlink:to="lab_bsac_OtherChileanDebtFinancialSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory_3995d8c0-9094-4d5d-9d13-9f1551bdb94f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments in Associates and Other Companies</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of interests in other entities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfRiskConcentrationTableTextBlock_f73c60f2-ef42-481f-8c88-0a2c5911f55d_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfRiskConcentrationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Risk Concentration</link:label>
    <link:label id="lab_bsac_ScheduleOfRiskConcentrationTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfRiskConcentrationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Risk Concentration [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfRiskConcentrationTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfRiskConcentrationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure for risk concentration.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfRiskConcentrationTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfRiskConcentrationTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfRiskConcentrationTableTextBlock" xlink:to="lab_bsac_ScheduleOfRiskConcentrationTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalAssetsForRegulatoryPurposes_fc83e2f6-ecd7-4c80-bced-223e28d8181d_totalLabel_en-US" xlink:label="lab_bsac_TotalAssetsForRegulatoryPurposes" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">= (1-2-3+4+5-6) Total assets for regulatory purposes</link:label>
    <link:label id="lab_bsac_TotalAssetsForRegulatoryPurposes_label_en-US" xlink:label="lab_bsac_TotalAssetsForRegulatoryPurposes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Assets For Regulatory Purposes</link:label>
    <link:label id="lab_bsac_TotalAssetsForRegulatoryPurposes_documentation_en-US" xlink:label="lab_bsac_TotalAssetsForRegulatoryPurposes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of assets for regulatory purposes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalAssetsForRegulatoryPurposes" xlink:href="bsac-20251231.xsd#bsac_TotalAssetsForRegulatoryPurposes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalAssetsForRegulatoryPurposes" xlink:to="lab_bsac_TotalAssetsForRegulatoryPurposes" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCompositionOfGroupExplanatory_edfb2b76-d83c-4ec8-8403-d6de0e2f0da0_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCompositionOfGroupExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Provisions Composition</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCompositionOfGroupExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCompositionOfGroupExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of composition of group [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCompositionOfGroupExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCompositionOfGroupExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCompositionOfGroupExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCompositionOfGroupExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MortgageBondsMember_5630ae60-51d1-4d49-8f63-4b4ddcc3ba31_terseLabel_en-US" xlink:label="lab_bsac_MortgageBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage bonds</link:label>
    <link:label id="lab_bsac_MortgageBondsMember_9ef6dfe2-edde-4552-9b2c-275ec7b81c0e_verboseLabel_en-US" xlink:label="lab_bsac_MortgageBondsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Mortgage bond</link:label>
    <link:label id="lab_bsac_MortgageBondsMember_label_en-US" xlink:label="lab_bsac_MortgageBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Bonds [Member]</link:label>
    <link:label id="lab_bsac_MortgageBondsMember_documentation_en-US" xlink:label="lab_bsac_MortgageBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for mortgage bonds grouped under commercial loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MortgageBondsMember" xlink:href="bsac-20251231.xsd#bsac_MortgageBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MortgageBondsMember" xlink:to="lab_bsac_MortgageBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationLineItems_d569854c-da35-4390-8862-bb9d0d380054_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Instruments Subject to Compensation [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Instruments Subject to Compensation [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Instruments Subject to Compensation [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationLineItems" xlink:to="lab_bsac_ScheduleOfFinancialInstrumentsSubjectToCompensationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD1706242Member_019b9f56-7c4f-7804-9b19-01b9455abd79_terseLabel_en-US" xlink:label="lab_bsac_BSTD1706242Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD170624</link:label>
    <link:label id="lab_bsac_BSTD1706242Member_label_en-US" xlink:label="lab_bsac_BSTD1706242Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD170624-2 [Member]</link:label>
    <link:label id="lab_bsac_BSTD1706242Member_documentation_en-US" xlink:label="lab_bsac_BSTD1706242Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD170624-2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD1706242Member" xlink:href="bsac-20251231.xsd#bsac_BSTD1706242Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD1706242Member" xlink:to="lab_bsac_BSTD1706242Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BansaSantanderS.A.ChileGroupConsultingServicesMonthlyMember_019bf9e6-53e8-78ea-90e7-96ae8606bf59_terseLabel_en-US" xlink:label="lab_bsac_BansaSantanderS.A.ChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bansa Santander S.A.| Chile| Group| Consulting Services| Monthly</link:label>
    <link:label id="lab_bsac_BansaSantanderS.A.ChileGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_BansaSantanderS.A.ChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bansa Santander S.A.| Chile| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_BansaSantanderS.A.ChileGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_BansaSantanderS.A.ChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bansa Santander S.A.| Chile| Group| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BansaSantanderS.A.ChileGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_BansaSantanderS.A.ChileGroupConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BansaSantanderS.A.ChileGroupConsultingServicesMonthlyMember" xlink:to="lab_bsac_BansaSantanderS.A.ChileGroupConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LifetimeExpectedCreditLossesMember_6336abf2-9c31-46f9-b6e4-58d33ff0766b_terseLabel_en-US" xlink:label="lab_ifrs-full_LifetimeExpectedCreditLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected Credit Losses</link:label>
    <link:label id="lab_ifrs-full_LifetimeExpectedCreditLossesMember_label_en-US" xlink:label="lab_ifrs-full_LifetimeExpectedCreditLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lifetime expected credit losses [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LifetimeExpectedCreditLossesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LifetimeExpectedCreditLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LifetimeExpectedCreditLossesMember" xlink:to="lab_ifrs-full_LifetimeExpectedCreditLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_47c136f5-3a2c-4b92-b9ca-5d3bc4b0db3e_negatedLabel_en-US" xlink:label="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Purchases of property, plant, and equipment</link:label>
    <link:label id="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase of property, plant and equipment, classified as investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember_b942ea7a-1722-4bd3-920d-312169bf8a0f_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Between 1 and 3 months</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than one month and not later than three months [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember" xlink:to="lab_ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterestOfPerpetualBondsMember_a75c5b12-76ac-4afb-a3a3-09a57a747f47_terseLabel_en-US" xlink:label="lab_bsac_InterestOfPerpetualBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest of perpetual bonds</link:label>
    <link:label id="lab_bsac_InterestOfPerpetualBondsMember_label_en-US" xlink:label="lab_bsac_InterestOfPerpetualBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Of Perpetual Bonds [Member]</link:label>
    <link:label id="lab_bsac_InterestOfPerpetualBondsMember_documentation_en-US" xlink:label="lab_bsac_InterestOfPerpetualBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest Of Perpetual Bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterestOfPerpetualBondsMember" xlink:href="bsac-20251231.xsd#bsac_InterestOfPerpetualBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterestOfPerpetualBondsMember" xlink:to="lab_bsac_InterestOfPerpetualBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BorrowingYieldRate_019c226c-0bd1-7889-8212-a52a466e8fd0_terseLabel_en-US" xlink:label="lab_bsac_BorrowingYieldRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issue yield rate</link:label>
    <link:label id="lab_bsac_BorrowingYieldRate_label_en-US" xlink:label="lab_bsac_BorrowingYieldRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowing, Yield Rate</link:label>
    <link:label id="lab_bsac_BorrowingYieldRate_documentation_en-US" xlink:label="lab_bsac_BorrowingYieldRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowing, Yield Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BorrowingYieldRate" xlink:href="bsac-20251231.xsd#bsac_BorrowingYieldRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BorrowingYieldRate" xlink:to="lab_bsac_BorrowingYieldRate" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DemandDepositsOneMember_e074823e-dcc2-4cba-9711-8f4788e05991_terseLabel_en-US" xlink:label="lab_bsac_DemandDepositsOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Demand deposits</link:label>
    <link:label id="lab_bsac_DemandDepositsOneMember_label_en-US" xlink:label="lab_bsac_DemandDepositsOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Demand Deposits One [Member]</link:label>
    <link:label id="lab_bsac_DemandDepositsOneMember_documentation_en-US" xlink:label="lab_bsac_DemandDepositsOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Demand Deposits One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DemandDepositsOneMember" xlink:href="bsac-20251231.xsd#bsac_DemandDepositsOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DemandDepositsOneMember" xlink:to="lab_bsac_DemandDepositsOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember_1030454e-cd43-4765-8d02-6bbb8db3cc27_terseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Key personnel</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember_dae82020-e0ec-4550-8375-b1910c465719_netLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Key Personnel</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember_9f9bb39d-4593-422d-836e-2ea63ac807bc_verboseLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Key personnel</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel of entity or parent [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_KeyManagementPersonnelOfEntityOrParentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:to="lab_ifrs-full_KeyManagementPersonnelOfEntityOrParentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentPeriodEndDate_79d6f3a9-53fd-4cab-88bd-7d0c9f38fcd5_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:label id="lab_dei_DocumentPeriodEndDate_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentPeriodEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate" xlink:to="lab_dei_DocumentPeriodEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ValuationAdjustmentsByMacroHedge_4807b84a-c962-4ee4-8949-ffebb772c017_terseLabel_en-US" xlink:label="lab_bsac_ValuationAdjustmentsByMacroHedge" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Valuation adjustments by macro hedge</link:label>
    <link:label id="lab_bsac_ValuationAdjustmentsByMacroHedge_label_en-US" xlink:label="lab_bsac_ValuationAdjustmentsByMacroHedge" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Valuation Adjustments By Macro Hedge</link:label>
    <link:label id="lab_bsac_ValuationAdjustmentsByMacroHedge_documentation_en-US" xlink:label="lab_bsac_ValuationAdjustmentsByMacroHedge" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of valuation adjustments by macro Hedge.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ValuationAdjustmentsByMacroHedge" xlink:href="bsac-20251231.xsd#bsac_ValuationAdjustmentsByMacroHedge"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ValuationAdjustmentsByMacroHedge" xlink:to="lab_bsac_ValuationAdjustmentsByMacroHedge" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankMaintainingOverlaysAmount_019c4661-acb8-78d0-b951-57049a39ceb2_terseLabel_en-US" xlink:label="lab_bsac_BankMaintainingOverlaysAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank maintaining overlays amount</link:label>
    <link:label id="lab_bsac_BankMaintainingOverlaysAmount_label_en-US" xlink:label="lab_bsac_BankMaintainingOverlaysAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Maintaining Overlays Amount</link:label>
    <link:label id="lab_bsac_BankMaintainingOverlaysAmount_documentation_en-US" xlink:label="lab_bsac_BankMaintainingOverlaysAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bank Maintaining Overlays Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankMaintainingOverlaysAmount" xlink:href="bsac-20251231.xsd#bsac_BankMaintainingOverlaysAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankMaintainingOverlaysAmount" xlink:to="lab_bsac_BankMaintainingOverlaysAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MortgageLoansHedgingDerivativesMember_31c74dad-6061-430d-a3d4-d5d4f9dc7027_terseLabel_en-US" xlink:label="lab_bsac_MortgageLoansHedgingDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage loans hedging derivatives</link:label>
    <link:label id="lab_bsac_MortgageLoansHedgingDerivativesMember_label_en-US" xlink:label="lab_bsac_MortgageLoansHedgingDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loans Hedging Derivatives [Member]</link:label>
    <link:label id="lab_bsac_MortgageLoansHedgingDerivativesMember_documentation_en-US" xlink:label="lab_bsac_MortgageLoansHedgingDerivativesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage Loans Hedging Derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MortgageLoansHedgingDerivativesMember" xlink:href="bsac-20251231.xsd#bsac_MortgageLoansHedgingDerivativesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MortgageLoansHedgingDerivativesMember" xlink:to="lab_bsac_MortgageLoansHedgingDerivativesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MarketingExpenses_93f6684d-6614-4210-97f4-0411acc4cbfe_negatedTerseLabel_en-US" xlink:label="lab_bsac_MarketingExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Marketing expenses</link:label>
    <link:label id="lab_bsac_MarketingExpenses_label_en-US" xlink:label="lab_bsac_MarketingExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketing Expenses</link:label>
    <link:label id="lab_bsac_MarketingExpenses_documentation_en-US" xlink:label="lab_bsac_MarketingExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about marketing expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MarketingExpenses" xlink:href="bsac-20251231.xsd#bsac_MarketingExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MarketingExpenses" xlink:to="lab_bsac_MarketingExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ThirdPartyOperationsOfTransferredFinancialAssetsManagedByBank_8100dfc7-5142-4650-9fc0-94dd613e9fe2_verboseLabel_en-US" xlink:label="lab_bsac_ThirdPartyOperationsOfTransferredFinancialAssetsManagedByBank" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Transferred financial assets managed by the Bank</link:label>
    <link:label id="lab_bsac_ThirdPartyOperationsOfTransferredFinancialAssetsManagedByBank_label_en-US" xlink:label="lab_bsac_ThirdPartyOperationsOfTransferredFinancialAssetsManagedByBank" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Third Party Operations Of Transferred Financial Assets Managed By Bank</link:label>
    <link:label id="lab_bsac_ThirdPartyOperationsOfTransferredFinancialAssetsManagedByBank_documentation_en-US" xlink:label="lab_bsac_ThirdPartyOperationsOfTransferredFinancialAssetsManagedByBank" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transferred financial assets managed by the Bank.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ThirdPartyOperationsOfTransferredFinancialAssetsManagedByBank" xlink:href="bsac-20251231.xsd#bsac_ThirdPartyOperationsOfTransferredFinancialAssetsManagedByBank"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ThirdPartyOperationsOfTransferredFinancialAssetsManagedByBank" xlink:to="lab_bsac_ThirdPartyOperationsOfTransferredFinancialAssetsManagedByBank" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherMovementsCurrentDebtInstrumentsIssued_019c587b-ba46-7759-8bd0-e10a952fc1ca_terseLabel_en-US" xlink:label="lab_bsac_OtherMovementsCurrentDebtInstrumentsIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other movements (discounts, hedges)</link:label>
    <link:label id="lab_bsac_OtherMovementsCurrentDebtInstrumentsIssued_label_en-US" xlink:label="lab_bsac_OtherMovementsCurrentDebtInstrumentsIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Movements Current Debt Instruments Issued</link:label>
    <link:label id="lab_bsac_OtherMovementsCurrentDebtInstrumentsIssued_documentation_en-US" xlink:label="lab_bsac_OtherMovementsCurrentDebtInstrumentsIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Movements Current Debt Instruments Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherMovementsCurrentDebtInstrumentsIssued" xlink:href="bsac-20251231.xsd#bsac_OtherMovementsCurrentDebtInstrumentsIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherMovementsCurrentDebtInstrumentsIssued" xlink:to="lab_bsac_OtherMovementsCurrentDebtInstrumentsIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyOfProvisionForMandatoryDividendsPolicyTextBlockPolicyTextBlock_47dc6c94-678b-4ecc-82c2-7acf5532c27e_terseLabel_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyOfProvisionForMandatoryDividendsPolicyTextBlockPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for mandatory dividends</link:label>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyOfProvisionForMandatoryDividendsPolicyTextBlockPolicyTextBlock_label_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyOfProvisionForMandatoryDividendsPolicyTextBlockPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy Of Provision For Mandatory Dividends Policy Text Block [Policy Text Block]</link:label>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyOfProvisionForMandatoryDividendsPolicyTextBlockPolicyTextBlock_documentation_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyOfProvisionForMandatoryDividendsPolicyTextBlockPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy Of Provision For Mandatory Dividends Policy Text Block</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DescriptionOfAccountingPolicyOfProvisionForMandatoryDividendsPolicyTextBlockPolicyTextBlock" xlink:href="bsac-20251231.xsd#bsac_DescriptionOfAccountingPolicyOfProvisionForMandatoryDividendsPolicyTextBlockPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DescriptionOfAccountingPolicyOfProvisionForMandatoryDividendsPolicyTextBlockPolicyTextBlock" xlink:to="lab_bsac_DescriptionOfAccountingPolicyOfProvisionForMandatoryDividendsPolicyTextBlockPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedDebtAtAmortizedCost_52309e61-5da0-402b-8c94-e66854cdb699_negatedTerseLabel_en-US" xlink:label="lab_bsac_ExpectedDebtAtAmortizedCost" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Debt at amortised cost</link:label>
    <link:label id="lab_bsac_ExpectedDebtAtAmortizedCost_label_en-US" xlink:label="lab_bsac_ExpectedDebtAtAmortizedCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Debt At Amortized Cost</link:label>
    <link:label id="lab_bsac_ExpectedDebtAtAmortizedCost_documentation_en-US" xlink:label="lab_bsac_ExpectedDebtAtAmortizedCost" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt at amortized cost.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedDebtAtAmortizedCost" xlink:href="bsac-20251231.xsd#bsac_ExpectedDebtAtAmortizedCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedDebtAtAmortizedCost" xlink:to="lab_bsac_ExpectedDebtAtAmortizedCost" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EquityInstrumentsFairValueThroughOtherComprehensiveIncome_18f195a9-708b-4eec-ab94-42b050861110_negatedLabel_en-US" xlink:label="lab_bsac_EquityInstrumentsFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Equity instruments at fair value through other comprehensive income</link:label>
    <link:label id="lab_bsac_EquityInstrumentsFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_bsac_EquityInstrumentsFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Instruments Fair Value Through Other Comprehensive Income</link:label>
    <link:label id="lab_bsac_EquityInstrumentsFairValueThroughOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_bsac_EquityInstrumentsFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to equity instruments at fair value through other comprehensive.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EquityInstrumentsFairValueThroughOtherComprehensiveIncome" xlink:href="bsac-20251231.xsd#bsac_EquityInstrumentsFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EquityInstrumentsFairValueThroughOtherComprehensiveIncome" xlink:to="lab_bsac_EquityInstrumentsFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ConsolidatedUpToFifteenDaysMember_72201dc2-5b5c-451d-872e-edeffd0d6bc2_terseLabel_en-US" xlink:label="lab_bsac_ConsolidatedUpToFifteenDaysMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Up to 15 days</link:label>
    <link:label id="lab_bsac_ConsolidatedUpToFifteenDaysMember_label_en-US" xlink:label="lab_bsac_ConsolidatedUpToFifteenDaysMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated Up To Fifteen Days [Member]</link:label>
    <link:label id="lab_bsac_ConsolidatedUpToFifteenDaysMember_documentation_en-US" xlink:label="lab_bsac_ConsolidatedUpToFifteenDaysMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consolidated Up To Fifteen Days</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ConsolidatedUpToFifteenDaysMember" xlink:href="bsac-20251231.xsd#bsac_ConsolidatedUpToFifteenDaysMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ConsolidatedUpToFifteenDaysMember" xlink:to="lab_bsac_ConsolidatedUpToFifteenDaysMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability_0f886797-cbc2-45d1-be65-27d4a83837a8_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net changes of the exposure and modifications in credit risk</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, net of tax, change in fair value of financial liability attributable to change in credit risk of liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_T21Member_89882d62-8a1a-413a-b076-ae5bf0e53994_terseLabel_en-US" xlink:label="lab_bsac_T21Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">T21</link:label>
    <link:label id="lab_bsac_T21Member_label_en-US" xlink:label="lab_bsac_T21Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">T21 [Member]</link:label>
    <link:label id="lab_bsac_T21Member_documentation_en-US" xlink:label="lab_bsac_T21Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">T21</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_T21Member" xlink:href="bsac-20251231.xsd#bsac_T21Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_T21Member" xlink:to="lab_bsac_T21Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IciciBankLimitedMember_c43b122f-5b6e-443b-9885-dc975228c7c8_terseLabel_en-US" xlink:label="lab_bsac_IciciBankLimitedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Icici Bank Limited</link:label>
    <link:label id="lab_bsac_IciciBankLimitedMember_label_en-US" xlink:label="lab_bsac_IciciBankLimitedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Icici Bank Limited [Member]</link:label>
    <link:label id="lab_bsac_IciciBankLimitedMember_documentation_en-US" xlink:label="lab_bsac_IciciBankLimitedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Icici Bank Limited</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IciciBankLimitedMember" xlink:href="bsac-20251231.xsd#bsac_IciciBankLimitedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IciciBankLimitedMember" xlink:to="lab_bsac_IciciBankLimitedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SegmentConsolidationsItemsAxis_c49ff220-5d8d-4acc-b529-8842b72c90fd_terseLabel_en-US" xlink:label="lab_bsac_SegmentConsolidationsItemsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment consolidations items [Axis]</link:label>
    <link:label id="lab_bsac_SegmentConsolidationsItemsAxis_label_en-US" xlink:label="lab_bsac_SegmentConsolidationsItemsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Consolidations Items [Axis]</link:label>
    <link:label id="lab_bsac_SegmentConsolidationsItemsAxis_documentation_en-US" xlink:label="lab_bsac_SegmentConsolidationsItemsAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Segment Consolidations Items</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SegmentConsolidationsItemsAxis" xlink:href="bsac-20251231.xsd#bsac_SegmentConsolidationsItemsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SegmentConsolidationsItemsAxis" xlink:to="lab_bsac_SegmentConsolidationsItemsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountLineItems_e3ea08b3-3fa8-4e9b-a22c-e31830d91df8_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loans from Chilean Central Bank by Maturity Amount [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Loans from Chilean Central Bank by Maturity Amount [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Loans from Chilean Central Bank by Maturity Amount [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountLineItems" xlink:to="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AmountByWhichCreditDerivativesOrSimilarInstrumentsRelatedToLoansOrReceivablesMitigateMaximumExposureToCreditRisk_4203b142-cfd2-433e-b0af-82c6ca49eb4b_terseLabel_en-US" xlink:label="lab_bsac_AmountByWhichCreditDerivativesOrSimilarInstrumentsRelatedToLoansOrReceivablesMitigateMaximumExposureToCreditRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_AmountByWhichCreditDerivativesOrSimilarInstrumentsRelatedToLoansOrReceivablesMitigateMaximumExposureToCreditRisk_label_en-US" xlink:label="lab_bsac_AmountByWhichCreditDerivativesOrSimilarInstrumentsRelatedToLoansOrReceivablesMitigateMaximumExposureToCreditRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount By Which Credit Derivatives Or Similar Instruments Related To Loans Or Receivables Mitigate Maximum Exposure To Credit Risk</link:label>
    <link:label id="lab_bsac_AmountByWhichCreditDerivativesOrSimilarInstrumentsRelatedToLoansOrReceivablesMitigateMaximumExposureToCreditRisk_documentation_en-US" xlink:label="lab_bsac_AmountByWhichCreditDerivativesOrSimilarInstrumentsRelatedToLoansOrReceivablesMitigateMaximumExposureToCreditRisk" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount By Which Credit Derivatives Or Similar Instruments Related To Loans Or Receivables Mitigate Maximum Exposure To Credit Risk, 1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AmountByWhichCreditDerivativesOrSimilarInstrumentsRelatedToLoansOrReceivablesMitigateMaximumExposureToCreditRisk" xlink:href="bsac-20251231.xsd#bsac_AmountByWhichCreditDerivativesOrSimilarInstrumentsRelatedToLoansOrReceivablesMitigateMaximumExposureToCreditRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AmountByWhichCreditDerivativesOrSimilarInstrumentsRelatedToLoansOrReceivablesMitigateMaximumExposureToCreditRisk" xlink:to="lab_bsac_AmountByWhichCreditDerivativesOrSimilarInstrumentsRelatedToLoansOrReceivablesMitigateMaximumExposureToCreditRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncome_2732c724-9160-4075-8e10-69666ea67598_totalLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">TOTAL COMPREHENSIVE INCOME FOR THE YEAR</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncome" xlink:to="lab_ifrs-full_ComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RepurchaseAreementsAndSecuritiesLending_019c220e-cb58-759d-9710-c4c107fefc70_terseLabel_en-US" xlink:label="lab_bsac_RepurchaseAreementsAndSecuritiesLending" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase agreements and securities lending</link:label>
    <link:label id="lab_bsac_RepurchaseAreementsAndSecuritiesLending_label_en-US" xlink:label="lab_bsac_RepurchaseAreementsAndSecuritiesLending" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase Areements And Securities Lending</link:label>
    <link:label id="lab_bsac_RepurchaseAreementsAndSecuritiesLending_documentation_en-US" xlink:label="lab_bsac_RepurchaseAreementsAndSecuritiesLending" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Repurchase Areements And Securities Lending</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RepurchaseAreementsAndSecuritiesLending" xlink:href="bsac-20251231.xsd#bsac_RepurchaseAreementsAndSecuritiesLending"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RepurchaseAreementsAndSecuritiesLending" xlink:to="lab_bsac_RepurchaseAreementsAndSecuritiesLending" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD1706241Member_019bf9bd-a30d-7034-836f-441f4d69137b_terseLabel_en-US" xlink:label="lab_bsac_BSTD1706241Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD170624</link:label>
    <link:label id="lab_bsac_BSTD1706241Member_label_en-US" xlink:label="lab_bsac_BSTD1706241Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD170624-1 [Member]</link:label>
    <link:label id="lab_bsac_BSTD1706241Member_documentation_en-US" xlink:label="lab_bsac_BSTD1706241Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD170624-1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD1706241Member" xlink:href="bsac-20251231.xsd#bsac_BSTD1706241Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD1706241Member" xlink:to="lab_bsac_BSTD1706241Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FairValueTransfersFromStage3ToStage1_95a8a9ff-590f-4923-a54e-a39e80786be9_terseLabel_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage3ToStage1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 3 to stage 1</link:label>
    <link:label id="lab_bsac_FairValueTransfersFromStage3ToStage1_label_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage3ToStage1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Transfers From Stage3 To Stage1</link:label>
    <link:label id="lab_bsac_FairValueTransfersFromStage3ToStage1_documentation_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage3ToStage1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of transfers from stage 3 to stage1.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FairValueTransfersFromStage3ToStage1" xlink:href="bsac-20251231.xsd#bsac_FairValueTransfersFromStage3ToStage1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FairValueTransfersFromStage3ToStage1" xlink:to="lab_bsac_FairValueTransfersFromStage3ToStage1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FairValueTransfersFromStage3ToStage2_35a7a4da-f6dd-4098-ab54-26b0df6f5ca8_terseLabel_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage3ToStage2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 3 to stage 2</link:label>
    <link:label id="lab_bsac_FairValueTransfersFromStage3ToStage2_label_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage3ToStage2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Transfers From Stage3 To Stage2</link:label>
    <link:label id="lab_bsac_FairValueTransfersFromStage3ToStage2_documentation_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage3ToStage2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of transfers from stage 3 to stage 2.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FairValueTransfersFromStage3ToStage2" xlink:href="bsac-20251231.xsd#bsac_FairValueTransfersFromStage3ToStage2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FairValueTransfersFromStage3ToStage2" xlink:to="lab_bsac_FairValueTransfersFromStage3ToStage2" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ForeignBanksMember_f3372bce-4150-44c2-931f-b19530e9cc6e_terseLabel_en-US" xlink:label="lab_bsac_ForeignBanksMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign banks</link:label>
    <link:label id="lab_bsac_ForeignBanksMember_label_en-US" xlink:label="lab_bsac_ForeignBanksMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Banks [Member]</link:label>
    <link:label id="lab_bsac_ForeignBanksMember_documentation_en-US" xlink:label="lab_bsac_ForeignBanksMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Banks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ForeignBanksMember" xlink:href="bsac-20251231.xsd#bsac_ForeignBanksMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ForeignBanksMember" xlink:to="lab_bsac_ForeignBanksMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxesInEquityAttributableToNonControllingInterests_dc1f76b5-201d-4dbf-84e9-4b0988a46298_negatedTerseLabel_en-US" xlink:label="lab_bsac_DeferredTaxesInEquityAttributableToNonControllingInterests" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax in equity attributable to non-controlling interests</link:label>
    <link:label id="lab_bsac_DeferredTaxesInEquityAttributableToNonControllingInterests_label_en-US" xlink:label="lab_bsac_DeferredTaxesInEquityAttributableToNonControllingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Taxes In Equity Attributable To Non Controlling Interests</link:label>
    <link:label id="lab_bsac_DeferredTaxesInEquityAttributableToNonControllingInterests_documentation_en-US" xlink:label="lab_bsac_DeferredTaxesInEquityAttributableToNonControllingInterests" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about deferred taxes in equity attributable to non controlling interests.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxesInEquityAttributableToNonControllingInterests" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxesInEquityAttributableToNonControllingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxesInEquityAttributableToNonControllingInterests" xlink:to="lab_bsac_DeferredTaxesInEquityAttributableToNonControllingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DerivativeInstrumentsPercentage_bc96c4ed-4cad-4f8b-86c5-7185b14aa451_terseLabel_en-US" xlink:label="lab_bsac_DerivativeInstrumentsPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative instruments percentage</link:label>
    <link:label id="lab_bsac_DerivativeInstrumentsPercentage_label_en-US" xlink:label="lab_bsac_DerivativeInstrumentsPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instruments Percentage</link:label>
    <link:label id="lab_bsac_DerivativeInstrumentsPercentage_documentation_en-US" xlink:label="lab_bsac_DerivativeInstrumentsPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative Instruments Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DerivativeInstrumentsPercentage" xlink:href="bsac-20251231.xsd#bsac_DerivativeInstrumentsPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DerivativeInstrumentsPercentage" xlink:to="lab_bsac_DerivativeInstrumentsPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentTransitionReport_2390150e-8fc6-4dbc-a9e1-056e9f3edd03_terseLabel_en-US" xlink:label="lab_dei_DocumentTransitionReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Transition Report</link:label>
    <link:label id="lab_dei_DocumentTransitionReport_label_en-US" xlink:label="lab_dei_DocumentTransitionReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Transition Report</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentTransitionReport"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentTransitionReport" xlink:to="lab_dei_DocumentTransitionReport" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SubsidiariesAbstract_ca6bf4bf-5c62-4152-b675-a44b623b13c7_terseLabel_en-US" xlink:label="lab_bsac_SubsidiariesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsidiaries:</link:label>
    <link:label id="lab_bsac_SubsidiariesAbstract_label_en-US" xlink:label="lab_bsac_SubsidiariesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsidiaries Abstract</link:label>
    <link:label id="lab_bsac_SubsidiariesAbstract_documentation_en-US" xlink:label="lab_bsac_SubsidiariesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Subsidiaries Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubsidiariesAbstract" xlink:href="bsac-20251231.xsd#bsac_SubsidiariesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubsidiariesAbstract" xlink:to="lab_bsac_SubsidiariesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdditionalBasicCapitalRequiredForTheConstitutionOfTheConservationBuffer_5ff6b5e0-0e2d-4ec0-9c3e-381933337a58_terseLabel_en-US" xlink:label="lab_bsac_AdditionalBasicCapitalRequiredForTheConstitutionOfTheConservationBuffer" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional basic capital required for the constitution of the conservation buffer</link:label>
    <link:label id="lab_bsac_AdditionalBasicCapitalRequiredForTheConstitutionOfTheConservationBuffer_label_en-US" xlink:label="lab_bsac_AdditionalBasicCapitalRequiredForTheConstitutionOfTheConservationBuffer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Basic Capital Required For The Constitution Of The Conservation Buffer</link:label>
    <link:label id="lab_bsac_AdditionalBasicCapitalRequiredForTheConstitutionOfTheConservationBuffer_documentation_en-US" xlink:label="lab_bsac_AdditionalBasicCapitalRequiredForTheConstitutionOfTheConservationBuffer" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of additional basic capital required for the constitution of the conservation buffer.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdditionalBasicCapitalRequiredForTheConstitutionOfTheConservationBuffer" xlink:href="bsac-20251231.xsd#bsac_AdditionalBasicCapitalRequiredForTheConstitutionOfTheConservationBuffer"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdditionalBasicCapitalRequiredForTheConstitutionOfTheConservationBuffer" xlink:to="lab_bsac_AdditionalBasicCapitalRequiredForTheConstitutionOfTheConservationBuffer" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfMainSourcesOfFinancingWithThirdPartiesTableTextBlock_b34ff285-c63a-43db-86b3-06875e97182e_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfMainSourcesOfFinancingWithThirdPartiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Main Sources of Financing with Third Parties</link:label>
    <link:label id="lab_bsac_DisclosureOfMainSourcesOfFinancingWithThirdPartiesTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfMainSourcesOfFinancingWithThirdPartiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Main Sources Of Financing With Third Parties [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfMainSourcesOfFinancingWithThirdPartiesTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfMainSourcesOfFinancingWithThirdPartiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of main sources of financing with third parties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfMainSourcesOfFinancingWithThirdPartiesTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfMainSourcesOfFinancingWithThirdPartiesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfMainSourcesOfFinancingWithThirdPartiesTableTextBlock" xlink:to="lab_bsac_DisclosureOfMainSourcesOfFinancingWithThirdPartiesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ECLModifiedLoansPercentage_244e3445-d235-429e-b595-be9b11b9e0b1_terseLabel_en-US" xlink:label="lab_bsac_ECLModifiedLoansPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage</link:label>
    <link:label id="lab_bsac_ECLModifiedLoansPercentage_label_en-US" xlink:label="lab_bsac_ECLModifiedLoansPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ECLModified Loans Percentage</link:label>
    <link:label id="lab_bsac_ECLModifiedLoansPercentage_documentation_en-US" xlink:label="lab_bsac_ECLModifiedLoansPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of ecl allowance modified loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ECLModifiedLoansPercentage" xlink:href="bsac-20251231.xsd#bsac_ECLModifiedLoansPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ECLModifiedLoansPercentage" xlink:to="lab_bsac_ECLModifiedLoansPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CaixabankSaMember_70f220f1-ffbb-4ec2-8dff-96647d2aa1fd_terseLabel_en-US" xlink:label="lab_bsac_CaixabankSaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Caixabank Sa</link:label>
    <link:label id="lab_bsac_CaixabankSaMember_label_en-US" xlink:label="lab_bsac_CaixabankSaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Caixabank Sa [Member]</link:label>
    <link:label id="lab_bsac_CaixabankSaMember_documentation_en-US" xlink:label="lab_bsac_CaixabankSaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Caixabank Sa</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CaixabankSaMember" xlink:href="bsac-20251231.xsd#bsac_CaixabankSaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CaixabankSaMember" xlink:to="lab_bsac_CaixabankSaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentDebtInstrumentsIssued_089f5e99-b603-43d5-bdbf-38018ce7e186_periodStartLabel_en-US" xlink:label="lab_ifrs-full_CurrentDebtInstrumentsIssued" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balances as of January 01,</link:label>
    <link:label id="lab_ifrs-full_CurrentDebtInstrumentsIssued_eadd2e1d-fe22-4157-a106-e4855717aa9e_periodEndLabel_en-US" xlink:label="lab_ifrs-full_CurrentDebtInstrumentsIssued" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balances as of December 31,</link:label>
    <link:label id="lab_ifrs-full_CurrentDebtInstrumentsIssued_label_en-US" xlink:label="lab_ifrs-full_CurrentDebtInstrumentsIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current debt instruments issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentDebtInstrumentsIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentDebtInstrumentsIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentDebtInstrumentsIssued" xlink:to="lab_ifrs-full_CurrentDebtInstrumentsIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationSeniorityCompensation_b3e168dd-7703-4d76-a7c6-3109ec1322c8_terseLabel_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationSeniorityCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Seniority compensation</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationSeniorityCompensation_label_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationSeniorityCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key Management Personnel Compensation Seniority Compensation</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationSeniorityCompensation_documentation_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationSeniorityCompensation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about key management personnel compensation seniority compensation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_KeyManagementPersonnelCompensationSeniorityCompensation" xlink:href="bsac-20251231.xsd#bsac_KeyManagementPersonnelCompensationSeniorityCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_KeyManagementPersonnelCompensationSeniorityCompensation" xlink:to="lab_bsac_KeyManagementPersonnelCompensationSeniorityCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinansbankASMember_5a7c3aff-2f71-478b-8637-a34243329d50_terseLabel_en-US" xlink:label="lab_bsac_FinansbankASMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finansbank A.S.</link:label>
    <link:label id="lab_bsac_FinansbankASMember_label_en-US" xlink:label="lab_bsac_FinansbankASMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finansbank AS [Member]</link:label>
    <link:label id="lab_bsac_FinansbankASMember_documentation_en-US" xlink:label="lab_bsac_FinansbankASMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finansbank AS</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinansbankASMember" xlink:href="bsac-20251231.xsd#bsac_FinansbankASMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinansbankASMember" xlink:to="lab_bsac_FinansbankASMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates_09353597-be5b-4050-97e7-c8a34c366b7e_terseLabel_en-US" xlink:label="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments in associates and other companies</link:label>
    <link:label id="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates_2c78e05d-19ca-4719-a805-045b3e32f287_verboseLabel_en-US" xlink:label="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Carrying value</link:label>
    <link:label id="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates_label_en-US" xlink:label="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments in subsidiaries, joint ventures and associates reported in separate financial statements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:to="lab_ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_VehiclesMember_a53ca15f-7eab-4960-9e0b-1a8ad6bbeb5c_terseLabel_en-US" xlink:label="lab_ifrs-full_VehiclesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vehicles</link:label>
    <link:label id="lab_ifrs-full_VehiclesMember_label_en-US" xlink:label="lab_ifrs-full_VehiclesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vehicles [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_VehiclesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_VehiclesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_VehiclesMember" xlink:to="lab_ifrs-full_VehiclesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansAndReceivablesRelatedPartyTransactionsNet_46d475fb-5a7f-455e-905c-15480826fbb8_totalLabel_en-US" xlink:label="lab_bsac_LoansAndReceivablesRelatedPartyTransactionsNet" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net loans</link:label>
    <link:label id="lab_bsac_LoansAndReceivablesRelatedPartyTransactionsNet_label_en-US" xlink:label="lab_bsac_LoansAndReceivablesRelatedPartyTransactionsNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Receivables Related Party Transactions Net</link:label>
    <link:label id="lab_bsac_LoansAndReceivablesRelatedPartyTransactionsNet_documentation_en-US" xlink:label="lab_bsac_LoansAndReceivablesRelatedPartyTransactionsNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amounts of net loans and receivables resulting from related party transactions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansAndReceivablesRelatedPartyTransactionsNet" xlink:href="bsac-20251231.xsd#bsac_LoansAndReceivablesRelatedPartyTransactionsNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansAndReceivablesRelatedPartyTransactionsNet" xlink:to="lab_bsac_LoansAndReceivablesRelatedPartyTransactionsNet" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupConsultingServicesMonthlyMember_019bf9ef-71fb-7dda-8d41-c2c0bc5c1597_terseLabel_en-US" xlink:label="lab_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Asset Management S.A. Administradora General de Fondos| Chile| Group| Consulting Services| Mon[Member]</link:label>
    <link:label id="lab_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Asset Management S.A. Administradora General de Fondos| Chile| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Asset Management S.A. Administradora General de Fondos| Chile| Group| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupConsultingServicesMonthlyMember" xlink:to="lab_bsac_SantanderAssetManagementS.A.AdministradoraGeneralDeFondosChileGroupConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ForeignFinancialDebtSecurities_754602f8-d3f6-4eba-b656-5259034cd436_terseLabel_en-US" xlink:label="lab_bsac_ForeignFinancialDebtSecurities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactions with other Chilean entities</link:label>
    <link:label id="lab_bsac_ForeignFinancialDebtSecurities_label_en-US" xlink:label="lab_bsac_ForeignFinancialDebtSecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Financial Debt Securities</link:label>
    <link:label id="lab_bsac_ForeignFinancialDebtSecurities_documentation_en-US" xlink:label="lab_bsac_ForeignFinancialDebtSecurities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign financial debt securities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ForeignFinancialDebtSecurities" xlink:href="bsac-20251231.xsd#bsac_ForeignFinancialDebtSecurities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ForeignFinancialDebtSecurities" xlink:to="lab_bsac_ForeignFinancialDebtSecurities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AquanimaChileS.A.ChileGroupConsultingServicesMonthlyMember_019bf9ed-a82a-7f70-9d36-8fd689b9e324_terseLabel_en-US" xlink:label="lab_bsac_AquanimaChileS.A.ChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aquanima Chile S.A.| Chile| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_AquanimaChileS.A.ChileGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_AquanimaChileS.A.ChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aquanima Chile S.A.| Chile| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_AquanimaChileS.A.ChileGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_AquanimaChileS.A.ChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aquanima Chile S.A.| Chile| Group| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AquanimaChileS.A.ChileGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_AquanimaChileS.A.ChileGroupConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AquanimaChileS.A.ChileGroupConsultingServicesMonthlyMember" xlink:to="lab_bsac_AquanimaChileS.A.ChileGroupConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SummaryOfTheChangesToTheMinimumBankingRegulationCapitalRequirementsTableTextBlock_b33fb5b3-41f0-489f-96ba-256e821de8d4_terseLabel_en-US" xlink:label="lab_bsac_SummaryOfTheChangesToTheMinimumBankingRegulationCapitalRequirementsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of the Changes to the Minimum Capital Requirements</link:label>
    <link:label id="lab_bsac_SummaryOfTheChangesToTheMinimumBankingRegulationCapitalRequirementsTableTextBlock_label_en-US" xlink:label="lab_bsac_SummaryOfTheChangesToTheMinimumBankingRegulationCapitalRequirementsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Summary Of The Changes To The Minimum Banking Regulation Capital Requirements [Table Text Block]</link:label>
    <link:label id="lab_bsac_SummaryOfTheChangesToTheMinimumBankingRegulationCapitalRequirementsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_SummaryOfTheChangesToTheMinimumBankingRegulationCapitalRequirementsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Summary Of The Changes To The Minimum Banking Regulation Capital Requirements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SummaryOfTheChangesToTheMinimumBankingRegulationCapitalRequirementsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_SummaryOfTheChangesToTheMinimumBankingRegulationCapitalRequirementsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SummaryOfTheChangesToTheMinimumBankingRegulationCapitalRequirementsTableTextBlock" xlink:to="lab_bsac_SummaryOfTheChangesToTheMinimumBankingRegulationCapitalRequirementsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_KeyPersonnelCompensationAndExpenses_21b828dd-503b-4f89-a534-46d6610603f7_negatedTerseLabel_en-US" xlink:label="lab_bsac_KeyPersonnelCompensationAndExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Key personnel compensation and expenses</link:label>
    <link:label id="lab_bsac_KeyPersonnelCompensationAndExpenses_label_en-US" xlink:label="lab_bsac_KeyPersonnelCompensationAndExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key Personnel Compensation And Expenses</link:label>
    <link:label id="lab_bsac_KeyPersonnelCompensationAndExpenses_documentation_en-US" xlink:label="lab_bsac_KeyPersonnelCompensationAndExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about key personnel compensation and expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_KeyPersonnelCompensationAndExpenses" xlink:href="bsac-20251231.xsd#bsac_KeyPersonnelCompensationAndExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_KeyPersonnelCompensationAndExpenses" xlink:to="lab_bsac_KeyPersonnelCompensationAndExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_StandardCharteredBankMember_64bfb12d-801d-4913-9d4f-fd4893b39f1e_terseLabel_en-US" xlink:label="lab_bsac_StandardCharteredBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Standard Chartered Bank</link:label>
    <link:label id="lab_bsac_StandardCharteredBankMember_label_en-US" xlink:label="lab_bsac_StandardCharteredBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Standard Chartered Bank [Member]</link:label>
    <link:label id="lab_bsac_StandardCharteredBankMember_documentation_en-US" xlink:label="lab_bsac_StandardCharteredBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Standard Chartered Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_StandardCharteredBankMember" xlink:href="bsac-20251231.xsd#bsac_StandardCharteredBankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_StandardCharteredBankMember" xlink:to="lab_bsac_StandardCharteredBankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SignificantEventsTable_f0cd567b-7d50-46c1-8e00-323bbcb506ae_terseLabel_en-US" xlink:label="lab_bsac_SignificantEventsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant Events [Table]</link:label>
    <link:label id="lab_bsac_SignificantEventsTable_label_en-US" xlink:label="lab_bsac_SignificantEventsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Events [Table]</link:label>
    <link:label id="lab_bsac_SignificantEventsTable_documentation_en-US" xlink:label="lab_bsac_SignificantEventsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Significant Events [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SignificantEventsTable" xlink:href="bsac-20251231.xsd#bsac_SignificantEventsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SignificantEventsTable" xlink:to="lab_bsac_SignificantEventsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PerpetualBondMember_dda57a42-7752-446d-a7cb-7181a79133c0_verboseLabel_en-US" xlink:label="lab_bsac_PerpetualBondMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Perpetual bonds</link:label>
    <link:label id="lab_bsac_PerpetualBondMember_label_en-US" xlink:label="lab_bsac_PerpetualBondMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Perpetual Bond [Member]</link:label>
    <link:label id="lab_bsac_PerpetualBondMember_documentation_en-US" xlink:label="lab_bsac_PerpetualBondMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Perpetual Bond</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PerpetualBondMember" xlink:href="bsac-20251231.xsd#bsac_PerpetualBondMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PerpetualBondMember" xlink:to="lab_bsac_PerpetualBondMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CounterpartiesAxis_019b9e93-1564-70ba-91f8-4ae98880ddd9_terseLabel_en-US" xlink:label="lab_ifrs-full_CounterpartiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Counterparties [axis]</link:label>
    <link:label id="lab_ifrs-full_CounterpartiesAxis_label_en-US" xlink:label="lab_ifrs-full_CounterpartiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Counterparties [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CounterpartiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CounterpartiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CounterpartiesAxis" xlink:to="lab_ifrs-full_CounterpartiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Assets1_6d296d68-760f-419a-9cd9-4dab596432bd_totalLabel_en-US" xlink:label="lab_bsac_Assets1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Amount in Statements of Financial Position</link:label>
    <link:label id="lab_bsac_Assets1_label_en-US" xlink:label="lab_bsac_Assets1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets1</link:label>
    <link:label id="lab_bsac_Assets1_documentation_en-US" xlink:label="lab_bsac_Assets1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of resources: (a) controlled by the entity as a result of past events; and (b) from which future economic benefits are expected to flow to the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Assets1" xlink:href="bsac-20251231.xsd#bsac_Assets1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Assets1" xlink:to="lab_bsac_Assets1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfMarketRiskTradingPortfolioExplanatoryTableTextBlock_58cbcc89-2696-4e51-aca5-5de98d34fef3_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfMarketRiskTradingPortfolioExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Market Risk Exposure</link:label>
    <link:label id="lab_bsac_DisclosureOfMarketRiskTradingPortfolioExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfMarketRiskTradingPortfolioExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Market Risk Trading Portfolio Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfMarketRiskTradingPortfolioExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfMarketRiskTradingPortfolioExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of market risk trading portfolio.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfMarketRiskTradingPortfolioExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfMarketRiskTradingPortfolioExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfMarketRiskTradingPortfolioExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfMarketRiskTradingPortfolioExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterestRateOptionRisk_c440eb97-02dd-44de-b3be-a9e0a52fb8cd_terseLabel_en-US" xlink:label="lab_bsac_InterestRateOptionRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate option risk</link:label>
    <link:label id="lab_bsac_InterestRateOptionRisk_label_en-US" xlink:label="lab_bsac_InterestRateOptionRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Rate Option Risk</link:label>
    <link:label id="lab_bsac_InterestRateOptionRisk_documentation_en-US" xlink:label="lab_bsac_InterestRateOptionRisk" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest rate risk is the probability of a decline in the value of an asset resulting from unexpected fluctuations in interest rates.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterestRateOptionRisk" xlink:href="bsac-20251231.xsd#bsac_InterestRateOptionRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterestRateOptionRisk" xlink:to="lab_bsac_InterestRateOptionRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationStockbasedBenefits_1044abe2-4f30-4c03-9273-21b821546459_negatedTerseLabel_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationStockbasedBenefits" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Stock-based benefits</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationStockbasedBenefits_label_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationStockbasedBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key Management Personnel Compensation Stockbased Benefits</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationStockbasedBenefits_documentation_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationStockbasedBenefits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of compensation to key management personnel in the form of share-based benefits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_KeyManagementPersonnelCompensationStockbasedBenefits" xlink:href="bsac-20251231.xsd#bsac_KeyManagementPersonnelCompensationStockbasedBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_KeyManagementPersonnelCompensationStockbasedBenefits" xlink:to="lab_bsac_KeyManagementPersonnelCompensationStockbasedBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncomeForTheYear_5753dcfb-4580-44a6-bbc7-4e8e7daff7f2_terseLabel_en-US" xlink:label="lab_bsac_IncomeForTheYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income for the year</link:label>
    <link:label id="lab_bsac_IncomeForTheYear_label_en-US" xlink:label="lab_bsac_IncomeForTheYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income For The Year</link:label>
    <link:label id="lab_bsac_IncomeForTheYear_documentation_en-US" xlink:label="lab_bsac_IncomeForTheYear" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">It represents the amount of income for year.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncomeForTheYear" xlink:href="bsac-20251231.xsd#bsac_IncomeForTheYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncomeForTheYear" xlink:to="lab_bsac_IncomeForTheYear" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GainLossesOnNetMonetaryPosition_d64c0ec5-d62e-4605-9748-a79b0b146ef9_terseLabel_en-US" xlink:label="lab_bsac_GainLossesOnNetMonetaryPosition" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_GainLossesOnNetMonetaryPosition_label_en-US" xlink:label="lab_bsac_GainLossesOnNetMonetaryPosition" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain Losses On Net Monetary Position</link:label>
    <link:label id="lab_bsac_GainLossesOnNetMonetaryPosition_documentation_en-US" xlink:label="lab_bsac_GainLossesOnNetMonetaryPosition" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The gains (losses) representing the difference resulting from the restatement of non-monetary assets, owners' equity and items in the statement of comprehensive income and the adjustment of index linked assets and liabilities in hyperinflationary reporting.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GainLossesOnNetMonetaryPosition" xlink:href="bsac-20251231.xsd#bsac_GainLossesOnNetMonetaryPosition"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GainLossesOnNetMonetaryPosition" xlink:to="lab_bsac_GainLossesOnNetMonetaryPosition" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TimeSavingsAccountMember_6cd2588a-9f55-4884-b5ca-01b044874efe_terseLabel_en-US" xlink:label="lab_bsac_TimeSavingsAccountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Time savings account</link:label>
    <link:label id="lab_bsac_TimeSavingsAccountMember_label_en-US" xlink:label="lab_bsac_TimeSavingsAccountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Time Savings Account [Member]</link:label>
    <link:label id="lab_bsac_TimeSavingsAccountMember_documentation_en-US" xlink:label="lab_bsac_TimeSavingsAccountMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Time Savings Account</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TimeSavingsAccountMember" xlink:href="bsac-20251231.xsd#bsac_TimeSavingsAccountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TimeSavingsAccountMember" xlink:to="lab_bsac_TimeSavingsAccountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract_5f05fa65-13eb-4868-bb15-16abbfa4e7b8_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in intangible assets other than goodwill [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in intangible assets other than goodwill [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OneToThirtyDaysPastDueMember_331576da-d85c-40e1-aeaa-533bbdcaa141_terseLabel_en-US" xlink:label="lab_bsac_OneToThirtyDaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">1-29 days past due</link:label>
    <link:label id="lab_bsac_OneToThirtyDaysPastDueMember_label_en-US" xlink:label="lab_bsac_OneToThirtyDaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">One To Thirty Days Past Due [Member]</link:label>
    <link:label id="lab_bsac_OneToThirtyDaysPastDueMember_documentation_en-US" xlink:label="lab_bsac_OneToThirtyDaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">One To Thirty Days Past Due</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OneToThirtyDaysPastDueMember" xlink:href="bsac-20251231.xsd#bsac_OneToThirtyDaysPastDueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OneToThirtyDaysPastDueMember" xlink:to="lab_bsac_OneToThirtyDaysPastDueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PersonnelSalariesAndExpensesMember_dee30514-db8f-475c-990b-fdaa7afaa737_terseLabel_en-US" xlink:label="lab_bsac_PersonnelSalariesAndExpensesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Personnel salaries and expenses</link:label>
    <link:label id="lab_bsac_PersonnelSalariesAndExpensesMember_label_en-US" xlink:label="lab_bsac_PersonnelSalariesAndExpensesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Personnel Salaries And Expenses [Member]</link:label>
    <link:label id="lab_bsac_PersonnelSalariesAndExpensesMember_documentation_en-US" xlink:label="lab_bsac_PersonnelSalariesAndExpensesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Personnel Salaries And Expenses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PersonnelSalariesAndExpensesMember" xlink:href="bsac-20251231.xsd#bsac_PersonnelSalariesAndExpensesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PersonnelSalariesAndExpensesMember" xlink:to="lab_bsac_PersonnelSalariesAndExpensesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis_cec921a7-f8f6-48d0-8d37-e2bc4d72858b_terseLabel_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Associates [axis]</link:label>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis_label_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Associates [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:to="lab_ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeAttributableToOwnersOfParent_a605f30a-7ae4-4ea4-80b2-19b581d51036_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shareholders of the Bank</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeAttributableToOwnersOfParent_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeAttributableToOwnersOfParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, attributable to owners of parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeAttributableToOwnersOfParent" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeAttributableToOwnersOfParent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeAttributableToOwnersOfParent" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeAttributableToOwnersOfParent" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates_fa658a11-cf2a-4d50-8cb5-5fb37598dc87_negatedLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Income from investments in associates and other companies</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for undistributed profits of associates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates" xlink:to="lab_ifrs-full_AdjustmentsForUndistributedProfitsOfAssociates" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HuaNanCommercialBankLtd.Member_98fd5a5f-87ef-49f7-b136-afb06459d4bc_terseLabel_en-US" xlink:label="lab_bsac_HuaNanCommercialBankLtd.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hua Nan Commercial Bank, Ltd.</link:label>
    <link:label id="lab_bsac_HuaNanCommercialBankLtd.Member_label_en-US" xlink:label="lab_bsac_HuaNanCommercialBankLtd.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hua Nan Commercial Bank, Ltd. [Member]</link:label>
    <link:label id="lab_bsac_HuaNanCommercialBankLtd.Member_documentation_en-US" xlink:label="lab_bsac_HuaNanCommercialBankLtd.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hua Nan Commercial Bank, Ltd.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HuaNanCommercialBankLtd.Member" xlink:href="bsac-20251231.xsd#bsac_HuaNanCommercialBankLtd.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HuaNanCommercialBankLtd.Member" xlink:to="lab_bsac_HuaNanCommercialBankLtd.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLLineItems_09343a4b-7728-4247-ada0-eaccd97d2180_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Amortized Value and the Corresponding ECL [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Amortized Value and the Corresponding ECL [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Amortized Value and the Corresponding ECL [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLLineItems" xlink:to="lab_bsac_ScheduleOfAmortizedValueAndTheCorrespondingECLLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_UniversiaChileS.A.ChileGroupInstitutionalServicesMonthlyMember_019b9f64-bbc0-73ec-8ca4-8bb59a225375_terseLabel_en-US" xlink:label="lab_bsac_UniversiaChileS.A.ChileGroupInstitutionalServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Universia Chile S.A.| Chile| Group| Institutional Services| Monthly</link:label>
    <link:label id="lab_bsac_UniversiaChileS.A.ChileGroupInstitutionalServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_UniversiaChileS.A.ChileGroupInstitutionalServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Universia Chile S.A.| Chile| Group| Institutional Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_UniversiaChileS.A.ChileGroupInstitutionalServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_UniversiaChileS.A.ChileGroupInstitutionalServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Universia Chile S.A.| Chile| Group| Institutional Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_UniversiaChileS.A.ChileGroupInstitutionalServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_UniversiaChileS.A.ChileGroupInstitutionalServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_UniversiaChileS.A.ChileGroupInstitutionalServicesMonthlyMember" xlink:to="lab_bsac_UniversiaChileS.A.ChileGroupInstitutionalServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderMadridMember_019bf959-cafa-7074-974f-6abf90a0864d_terseLabel_en-US" xlink:label="lab_bsac_SantanderMadridMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Madrid</link:label>
    <link:label id="lab_bsac_SantanderMadridMember_label_en-US" xlink:label="lab_bsac_SantanderMadridMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Madrid [Member]</link:label>
    <link:label id="lab_bsac_SantanderMadridMember_documentation_en-US" xlink:label="lab_bsac_SantanderMadridMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Madrid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderMadridMember" xlink:href="bsac-20251231.xsd#bsac_SantanderMadridMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderMadridMember" xlink:to="lab_bsac_SantanderMadridMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfBreakdownByMaturityLineItems_d452b87c-4d7b-4684-ad2f-008bd08b9ab8_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfBreakdownByMaturityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Breakdown by Maturity [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfBreakdownByMaturityLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfBreakdownByMaturityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Breakdown by Maturity [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfBreakdownByMaturityLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfBreakdownByMaturityLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Breakdown by Maturity [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfBreakdownByMaturityLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfBreakdownByMaturityLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfBreakdownByMaturityLineItems" xlink:to="lab_bsac_ScheduleOfBreakdownByMaturityLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommitmentToReceiveLoan_019b9e92-e465-78bd-b83f-46c13ee50d63_terseLabel_en-US" xlink:label="lab_bsac_CommitmentToReceiveLoan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitment to receive loan</link:label>
    <link:label id="lab_bsac_CommitmentToReceiveLoan_label_en-US" xlink:label="lab_bsac_CommitmentToReceiveLoan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitment To Receive Loan</link:label>
    <link:label id="lab_bsac_CommitmentToReceiveLoan_documentation_en-US" xlink:label="lab_bsac_CommitmentToReceiveLoan" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commitment To Receive Loan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommitmentToReceiveLoan" xlink:href="bsac-20251231.xsd#bsac_CommitmentToReceiveLoan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommitmentToReceiveLoan" xlink:to="lab_bsac_CommitmentToReceiveLoan" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CoverAbstract_label_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cover [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CoverAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CoverAbstract" xlink:to="lab_dei_CoverAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ATMsAndTeleconsultationsMember_019b9e4c-452c-7a3b-a246-e8a62e110050_terseLabel_en-US" xlink:label="lab_bsac_ATMsAndTeleconsultationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ATMs and teleconsultations</link:label>
    <link:label id="lab_bsac_ATMsAndTeleconsultationsMember_label_en-US" xlink:label="lab_bsac_ATMsAndTeleconsultationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ATMs and teleconsultations [Member]</link:label>
    <link:label id="lab_bsac_ATMsAndTeleconsultationsMember_documentation_en-US" xlink:label="lab_bsac_ATMsAndTeleconsultationsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ATMs and teleconsultations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ATMsAndTeleconsultationsMember" xlink:href="bsac-20251231.xsd#bsac_ATMsAndTeleconsultationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ATMsAndTeleconsultationsMember" xlink:to="lab_bsac_ATMsAndTeleconsultationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisLineItems_1988eb67-e79c-461b-a235-0192813a0b58_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities on Recurrent Basis [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities on Recurrent Basis [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities on Recurrent Basis [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisLineItems" xlink:to="lab_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SubordinatedBondsClassifiedAsCurrentAndNoncurrentTableTextBlock_80cb8063-e885-4851-ae19-717487fe8b24_terseLabel_en-US" xlink:label="lab_bsac_SubordinatedBondsClassifiedAsCurrentAndNoncurrentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Subordinated Bonds Classified as Current and Non-current</link:label>
    <link:label id="lab_bsac_SubordinatedBondsClassifiedAsCurrentAndNoncurrentTableTextBlock_label_en-US" xlink:label="lab_bsac_SubordinatedBondsClassifiedAsCurrentAndNoncurrentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subordinated Bonds Classified As Current And Noncurrent [Table Text Block]</link:label>
    <link:label id="lab_bsac_SubordinatedBondsClassifiedAsCurrentAndNoncurrentTableTextBlock_documentation_en-US" xlink:label="lab_bsac_SubordinatedBondsClassifiedAsCurrentAndNoncurrentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of Subordinated bonds classified as current and non-current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubordinatedBondsClassifiedAsCurrentAndNoncurrentTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_SubordinatedBondsClassifiedAsCurrentAndNoncurrentTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubordinatedBondsClassifiedAsCurrentAndNoncurrentTableTextBlock" xlink:to="lab_bsac_SubordinatedBondsClassifiedAsCurrentAndNoncurrentTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialLiabilitiesAtAmortisedCostAbstract3_8ee8faf6-bc7b-4d17-a178-0f058081d5da_terseLabel_en-US" xlink:label="lab_bsac_FinancialLiabilitiesAtAmortisedCostAbstract3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities at amortised cost</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesAtAmortisedCostAbstract3_label_en-US" xlink:label="lab_bsac_FinancialLiabilitiesAtAmortisedCostAbstract3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Liabilities At Amortised Cost Abstract3</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesAtAmortisedCostAbstract3_documentation_en-US" xlink:label="lab_bsac_FinancialLiabilitiesAtAmortisedCostAbstract3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Liabilities At Amortised Cost Abstract3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialLiabilitiesAtAmortisedCostAbstract3" xlink:href="bsac-20251231.xsd#bsac_FinancialLiabilitiesAtAmortisedCostAbstract3"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialLiabilitiesAtAmortisedCostAbstract3" xlink:to="lab_bsac_FinancialLiabilitiesAtAmortisedCostAbstract3" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransactionsWithForeignBanks_89822073-96a5-43f9-8c19-90cfa0b49544_terseLabel_en-US" xlink:label="lab_bsac_TransactionsWithForeignBanks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactions with foreign banks</link:label>
    <link:label id="lab_bsac_TransactionsWithForeignBanks_label_en-US" xlink:label="lab_bsac_TransactionsWithForeignBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transactions With Foreign Banks</link:label>
    <link:label id="lab_bsac_TransactionsWithForeignBanks_documentation_en-US" xlink:label="lab_bsac_TransactionsWithForeignBanks" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Chilean debt financial securities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransactionsWithForeignBanks" xlink:href="bsac-20251231.xsd#bsac_TransactionsWithForeignBanks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransactionsWithForeignBanks" xlink:to="lab_bsac_TransactionsWithForeignBanks" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValue_074bbb9c-1caa-45f6-8637-46961f786739_totalLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities for trading at fair value through profit and loss</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValue_4e6e052f-973e-4f19-8994-ea157fc4196f_verboseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities, at fair value</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValue_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities, at fair value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SegmentAnnualIncomeThreshold_07ebaad5-a902-44b0-9273-b0a45db3b9ea_terseLabel_en-US" xlink:label="lab_bsac_SegmentAnnualIncomeThreshold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment annual income threshold</link:label>
    <link:label id="lab_bsac_SegmentAnnualIncomeThreshold_label_en-US" xlink:label="lab_bsac_SegmentAnnualIncomeThreshold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Annual Income Threshold</link:label>
    <link:label id="lab_bsac_SegmentAnnualIncomeThreshold_documentation_en-US" xlink:label="lab_bsac_SegmentAnnualIncomeThreshold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Segment Annual Income Threshold</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SegmentAnnualIncomeThreshold" xlink:href="bsac-20251231.xsd#bsac_SegmentAnnualIncomeThreshold"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SegmentAnnualIncomeThreshold" xlink:to="lab_bsac_SegmentAnnualIncomeThreshold" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TheIndustrialAndCommercialMember_17b4b615-4d5d-4a36-9bde-803f5f3f8243_terseLabel_en-US" xlink:label="lab_bsac_TheIndustrialAndCommercialMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">The Industrial And Commercial</link:label>
    <link:label id="lab_bsac_TheIndustrialAndCommercialMember_label_en-US" xlink:label="lab_bsac_TheIndustrialAndCommercialMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The Industrial And Commercial [Member]</link:label>
    <link:label id="lab_bsac_TheIndustrialAndCommercialMember_documentation_en-US" xlink:label="lab_bsac_TheIndustrialAndCommercialMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The Industrial And Commercial</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TheIndustrialAndCommercialMember" xlink:href="bsac-20251231.xsd#bsac_TheIndustrialAndCommercialMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TheIndustrialAndCommercialMember" xlink:to="lab_bsac_TheIndustrialAndCommercialMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GeographicalAreasDomain_b40a1d67-ce7e-41ff-bcd8-e1f8c6d1e1c6_terseLabel_en-US" xlink:label="lab_ifrs-full_GeographicalAreasDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical areas [domain]</link:label>
    <link:label id="lab_ifrs-full_GeographicalAreasDomain_label_en-US" xlink:label="lab_ifrs-full_GeographicalAreasDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical areas [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeographicalAreasDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GeographicalAreasDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeographicalAreasDomain" xlink:to="lab_ifrs-full_GeographicalAreasDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CapitalToRiskWeightedAssetsRatioDifferenceBetweenRequirement_019c584a-4e02-7796-9429-52585f3c8b28_terseLabel_en-US" xlink:label="lab_bsac_CapitalToRiskWeightedAssetsRatioDifferenceBetweenRequirement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital to risk weighted assets ratio, percent above requirement</link:label>
    <link:label id="lab_bsac_CapitalToRiskWeightedAssetsRatioDifferenceBetweenRequirement_label_en-US" xlink:label="lab_bsac_CapitalToRiskWeightedAssetsRatioDifferenceBetweenRequirement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital To Risk-Weighted Assets Ratio, Difference Between Requirement</link:label>
    <link:label id="lab_bsac_CapitalToRiskWeightedAssetsRatioDifferenceBetweenRequirement_documentation_en-US" xlink:label="lab_bsac_CapitalToRiskWeightedAssetsRatioDifferenceBetweenRequirement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Capital To Risk-Weighted Assets Ratio, Difference Between Requirement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CapitalToRiskWeightedAssetsRatioDifferenceBetweenRequirement" xlink:href="bsac-20251231.xsd#bsac_CapitalToRiskWeightedAssetsRatioDifferenceBetweenRequirement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CapitalToRiskWeightedAssetsRatioDifferenceBetweenRequirement" xlink:to="lab_bsac_CapitalToRiskWeightedAssetsRatioDifferenceBetweenRequirement" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SummaryOfSignificantAccountingPoliciesAbstract_10b55a64-e898-4d54-b9b2-f0ab26432fa5_terseLabel_en-US" xlink:label="lab_bsac_SummaryOfSignificantAccountingPoliciesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Significant Accounting Policies [Abstract]</link:label>
    <link:label id="lab_bsac_SummaryOfSignificantAccountingPoliciesAbstract_label_en-US" xlink:label="lab_bsac_SummaryOfSignificantAccountingPoliciesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Summary of Significant Accounting Policies [Abstract]</link:label>
    <link:label id="lab_bsac_SummaryOfSignificantAccountingPoliciesAbstract_documentation_en-US" xlink:label="lab_bsac_SummaryOfSignificantAccountingPoliciesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Summary of Significant Accounting Policies [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SummaryOfSignificantAccountingPoliciesAbstract" xlink:href="bsac-20251231.xsd#bsac_SummaryOfSignificantAccountingPoliciesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SummaryOfSignificantAccountingPoliciesAbstract" xlink:to="lab_bsac_SummaryOfSignificantAccountingPoliciesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NewProvisionsOtherProvisions_cbae84db-b870-4fb1-8f28-4c4eebc82e25_terseLabel_en-US" xlink:label="lab_ifrs-full_NewProvisionsOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions established</link:label>
    <link:label id="lab_ifrs-full_NewProvisionsOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_NewProvisionsOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New provisions, other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NewProvisionsOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NewProvisionsOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NewProvisionsOtherProvisions" xlink:to="lab_ifrs-full_NewProvisionsOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SalesAndDisposalsInPeriod_91262cc7-4623-4184-8867-5f61d632416d_terseLabel_en-US" xlink:label="lab_bsac_SalesAndDisposalsInPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sales and disposals in the period</link:label>
    <link:label id="lab_bsac_SalesAndDisposalsInPeriod_label_en-US" xlink:label="lab_bsac_SalesAndDisposalsInPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales And Disposals In Period</link:label>
    <link:label id="lab_bsac_SalesAndDisposalsInPeriod_documentation_en-US" xlink:label="lab_bsac_SalesAndDisposalsInPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sales and disposals in the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SalesAndDisposalsInPeriod" xlink:href="bsac-20251231.xsd#bsac_SalesAndDisposalsInPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SalesAndDisposalsInPeriod" xlink:to="lab_bsac_SalesAndDisposalsInPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionsForCollectionsAndPayments_ed3b99e2-8d61-4a4e-b781-a9ad2351e516_terseLabel_en-US" xlink:label="lab_bsac_CommissionsForCollectionsAndPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commissions for collections and payments</link:label>
    <link:label id="lab_bsac_CommissionsForCollectionsAndPayments_label_en-US" xlink:label="lab_bsac_CommissionsForCollectionsAndPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commissions For Collections And Payments</link:label>
    <link:label id="lab_bsac_CommissionsForCollectionsAndPayments_documentation_en-US" xlink:label="lab_bsac_CommissionsForCollectionsAndPayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of commissions for collections and payments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionsForCollectionsAndPayments" xlink:href="bsac-20251231.xsd#bsac_CommissionsForCollectionsAndPayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionsForCollectionsAndPayments" xlink:to="lab_bsac_CommissionsForCollectionsAndPayments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OfficeEquipmentMember_699de332-2b4c-4b96-9493-8b6c0d144f06_terseLabel_en-US" xlink:label="lab_ifrs-full_OfficeEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equipment</link:label>
    <link:label id="lab_ifrs-full_OfficeEquipmentMember_label_en-US" xlink:label="lab_ifrs-full_OfficeEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Office equipment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OfficeEquipmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OfficeEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OfficeEquipmentMember" xlink:to="lab_ifrs-full_OfficeEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InflationsRiskPercentage_3c59c5b1-5ecc-44f5-9f94-09a6bc934333_terseLabel_en-US" xlink:label="lab_bsac_InflationsRiskPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inflation risk percentage</link:label>
    <link:label id="lab_bsac_InflationsRiskPercentage_label_en-US" xlink:label="lab_bsac_InflationsRiskPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inflations Risk Percentage</link:label>
    <link:label id="lab_bsac_InflationsRiskPercentage_documentation_en-US" xlink:label="lab_bsac_InflationsRiskPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of Inflation risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InflationsRiskPercentage" xlink:href="bsac-20251231.xsd#bsac_InflationsRiskPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InflationsRiskPercentage" xlink:to="lab_bsac_InflationsRiskPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities_70acc9a3-1577-4b84-a60b-288982bdf764_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Decrease)/increase in other financial liabilities</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for increase (decrease) in other liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:to="lab_ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners_332d67da-d01e-4af6-9108-3ce2e05db43d_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current assets and disposal groups for sale</link:label>
    <link:label id="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners_label_en-US" xlink:label="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current assets or disposal groups classified as held for sale or as held for distribution to owners</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:to="lab_ifrs-full_NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LeasingTransactionsMember_4b1d034f-49d1-4e7b-9108-dbdb95477d4d_verboseLabel_en-US" xlink:label="lab_bsac_LeasingTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Leasing transactions</link:label>
    <link:label id="lab_bsac_LeasingTransactionsMember_label_en-US" xlink:label="lab_bsac_LeasingTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leasing Transactions [Member]</link:label>
    <link:label id="lab_bsac_LeasingTransactionsMember_documentation_en-US" xlink:label="lab_bsac_LeasingTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Leasing Transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LeasingTransactionsMember" xlink:href="bsac-20251231.xsd#bsac_LeasingTransactionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LeasingTransactionsMember" xlink:to="lab_bsac_LeasingTransactionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LiquidityCoverageRatio_a2f89974-7442-4267-a0b9-4f43b6d3d99e_terseLabel_en-US" xlink:label="lab_bsac_LiquidityCoverageRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">LCR</link:label>
    <link:label id="lab_bsac_LiquidityCoverageRatio_label_en-US" xlink:label="lab_bsac_LiquidityCoverageRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liquidity Coverage Ratio</link:label>
    <link:label id="lab_bsac_LiquidityCoverageRatio_documentation_en-US" xlink:label="lab_bsac_LiquidityCoverageRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of liquidity coverage ratio is the requirement whereby banks must hold an amount of high-quality liquid assets that's enough to fund cash outflows for 30 days.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LiquidityCoverageRatio" xlink:href="bsac-20251231.xsd#bsac_LiquidityCoverageRatio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LiquidityCoverageRatio" xlink:to="lab_bsac_LiquidityCoverageRatio" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfCategoriesOfAdministrativeExpensesTableTextBlockTableTextBlock_59522d53-6705-4f0a-a0bb-90b1884ff41c_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfCategoriesOfAdministrativeExpensesTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Administrative Expenses</link:label>
    <link:label id="lab_bsac_DisclosureOfCategoriesOfAdministrativeExpensesTableTextBlockTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfCategoriesOfAdministrativeExpensesTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Categories Of Administrative Expenses Table Text Block [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfCategoriesOfAdministrativeExpensesTableTextBlockTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfCategoriesOfAdministrativeExpensesTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of administrative expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfCategoriesOfAdministrativeExpensesTableTextBlockTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfCategoriesOfAdministrativeExpensesTableTextBlockTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfCategoriesOfAdministrativeExpensesTableTextBlockTableTextBlock" xlink:to="lab_bsac_DisclosureOfCategoriesOfAdministrativeExpensesTableTextBlockTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterestRateAndFxExchange_bedd9af1-2305-40fb-b033-e58a3ce42fbf_terseLabel_en-US" xlink:label="lab_bsac_InterestRateAndFxExchange" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued inflation adjustment due to UF</link:label>
    <link:label id="lab_bsac_InterestRateAndFxExchange_label_en-US" xlink:label="lab_bsac_InterestRateAndFxExchange" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Rate And Fx Exchange</link:label>
    <link:label id="lab_bsac_InterestRateAndFxExchange_documentation_en-US" xlink:label="lab_bsac_InterestRateAndFxExchange" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of interest rate and fx exchange.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterestRateAndFxExchange" xlink:href="bsac-20251231.xsd#bsac_InterestRateAndFxExchange"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterestRateAndFxExchange" xlink:to="lab_bsac_InterestRateAndFxExchange" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutGrossProfitsAndLossesRealizedOnSaleOfAvailableForSaleInvestmentsExplanatoryTableTextBlock_123c8893-267e-4e8c-ab54-3971cd9f1892_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutGrossProfitsAndLossesRealizedOnSaleOfAvailableForSaleInvestmentsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Gross Profits and Losses Realized on the Sale of Available for Sale Investments</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutGrossProfitsAndLossesRealizedOnSaleOfAvailableForSaleInvestmentsExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutGrossProfitsAndLossesRealizedOnSaleOfAvailableForSaleInvestmentsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Gross Profits And Losses Realized On Sale Of Available For Sale Investments Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutGrossProfitsAndLossesRealizedOnSaleOfAvailableForSaleInvestmentsExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutGrossProfitsAndLossesRealizedOnSaleOfAvailableForSaleInvestmentsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure represents information about gross profits and losses realized on sale of available for sale investments explanatory.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutGrossProfitsAndLossesRealizedOnSaleOfAvailableForSaleInvestmentsExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutGrossProfitsAndLossesRealizedOnSaleOfAvailableForSaleInvestmentsExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutGrossProfitsAndLossesRealizedOnSaleOfAvailableForSaleInvestmentsExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutGrossProfitsAndLossesRealizedOnSaleOfAvailableForSaleInvestmentsExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CumulativeGainLossPreviouslyRecognisedInOtherComprehensiveIncomeArisingFromReclassificationOfFinancialAssetsOutOfFairValueThroughOtherComprehensiveIncomeIntoFairValueThroughProfitOrLossMeasurementCategory_77cc35ef-8d8d-4797-922d-ef6464b20a43_terseLabel_en-US" xlink:label="lab_ifrs-full_CumulativeGainLossPreviouslyRecognisedInOtherComprehensiveIncomeArisingFromReclassificationOfFinancialAssetsOutOfFairValueThroughOtherComprehensiveIncomeIntoFairValueThroughProfitOrLossMeasurementCategory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income from derecognising financial assets and liabilities at amortised cost and financial assets at fair value through other comprehensive income</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CumulativeGainLossPreviouslyRecognisedInOtherComprehensiveIncomeArisingFromReclassificationOfFinancialAssetsOutOfFairValueThroughOtherComprehensiveIncomeIntoFairValueThroughProfitOrLossMeasurementCategory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CumulativeGainLossPreviouslyRecognisedInOtherComprehensiveIncomeArisingFromReclassificationOfFinancialAssetsOutOfFairValueThroughOtherComprehensiveIncomeIntoFairValueThroughProfitOrLossMeasurementCategory"/>
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    <link:label id="lab_bsac_SantanderGlobalTechnologyAndOperationsS.L.UnipersonalSpainGroupITServicesAndOpsMonthlyMember_019b9f64-bbc0-73bf-9ff3-e9dcf0cedfe0_terseLabel_en-US" xlink:label="lab_bsac_SantanderGlobalTechnologyAndOperationsS.L.UnipersonalSpainGroupITServicesAndOpsMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Global Technology and Operations, S.L. Unipersonal| Spain| Group| IT services and Ops,| Monthly</link:label>
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    <link:label id="lab_bsac_SantanderGlobalTechnologyAndOperationsS.L.UnipersonalSpainGroupITServicesAndOpsMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderGlobalTechnologyAndOperationsS.L.UnipersonalSpainGroupITServicesAndOpsMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Global Technology and Operations, S.L. Unipersonal| Spain| Group| IT services and Ops,| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderGlobalTechnologyAndOperationsS.L.UnipersonalSpainGroupITServicesAndOpsMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderGlobalTechnologyAndOperationsS.L.UnipersonalSpainGroupITServicesAndOpsMonthlyMember"/>
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    <link:label id="lab_bsac_NetIncomeLossFromFinancialOperations_9fb575c4-a913-49c4-9083-604268c33423_totalLabel_en-US" xlink:label="lab_bsac_NetIncomeLossFromFinancialOperations" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net income from financial operations</link:label>
    <link:label id="lab_bsac_NetIncomeLossFromFinancialOperations_label_en-US" xlink:label="lab_bsac_NetIncomeLossFromFinancialOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss )From Financial Operations</link:label>
    <link:label id="lab_bsac_NetIncomeLossFromFinancialOperations_documentation_en-US" xlink:label="lab_bsac_NetIncomeLossFromFinancialOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of net income from financial operations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeLossFromFinancialOperations" xlink:href="bsac-20251231.xsd#bsac_NetIncomeLossFromFinancialOperations"/>
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    <link:label id="lab_bsac_InterestandInflationIncomeDetailsScheduleofBanksExpensesClassifiedasInterestExpenseLineItems_63b943f3-261c-4e50-9bf8-f953ba3c659c_terseLabel_en-US" xlink:label="lab_bsac_InterestandInflationIncomeDetailsScheduleofBanksExpensesClassifiedasInterestExpenseLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Bank&#8217;s Expenses Classified as Interest Expense [Line Items]</link:label>
    <link:label id="lab_bsac_InterestandInflationIncomeDetailsScheduleofBanksExpensesClassifiedasInterestExpenseLineItems_label_en-US" xlink:label="lab_bsac_InterestandInflationIncomeDetailsScheduleofBanksExpensesClassifiedasInterestExpenseLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Bank&#8217;s Expenses Classified as Interest Expense [Line Items]</link:label>
    <link:label id="lab_bsac_InterestandInflationIncomeDetailsScheduleofBanksExpensesClassifiedasInterestExpenseLineItems_documentation_en-US" xlink:label="lab_bsac_InterestandInflationIncomeDetailsScheduleofBanksExpensesClassifiedasInterestExpenseLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Bank&#8217;s Expenses Classified as Interest Expense [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterestandInflationIncomeDetailsScheduleofBanksExpensesClassifiedasInterestExpenseLineItems" xlink:href="bsac-20251231.xsd#bsac_InterestandInflationIncomeDetailsScheduleofBanksExpensesClassifiedasInterestExpenseLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterestandInflationIncomeDetailsScheduleofBanksExpensesClassifiedasInterestExpenseLineItems" xlink:to="lab_bsac_InterestandInflationIncomeDetailsScheduleofBanksExpensesClassifiedasInterestExpenseLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ServiciosDeInfraestructuraDeMercadoOTCSAMember_1b3c4c87-4c92-44b3-804f-ef8df61ada06_terseLabel_en-US" xlink:label="lab_bsac_ServiciosDeInfraestructuraDeMercadoOTCSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Servicios de Infraestructura de Mercado OTC S.A.</link:label>
    <link:label id="lab_bsac_ServiciosDeInfraestructuraDeMercadoOTCSAMember_label_en-US" xlink:label="lab_bsac_ServiciosDeInfraestructuraDeMercadoOTCSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Servicios De Infraestructura De Mercado OTCSA [Member]</link:label>
    <link:label id="lab_bsac_ServiciosDeInfraestructuraDeMercadoOTCSAMember_documentation_en-US" xlink:label="lab_bsac_ServiciosDeInfraestructuraDeMercadoOTCSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Servicios De Infraestructura De Mercado OTCSA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ServiciosDeInfraestructuraDeMercadoOTCSAMember" xlink:href="bsac-20251231.xsd#bsac_ServiciosDeInfraestructuraDeMercadoOTCSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ServiciosDeInfraestructuraDeMercadoOTCSAMember" xlink:to="lab_bsac_ServiciosDeInfraestructuraDeMercadoOTCSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ForecastedCashFlowsForInflationRisk_84fd7684-a43c-460e-b027-069406edc6ea_terseLabel_en-US" xlink:label="lab_bsac_ForecastedCashFlowsForInflationRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forecasted cash flows for inflation risk</link:label>
    <link:label id="lab_bsac_ForecastedCashFlowsForInflationRisk_label_en-US" xlink:label="lab_bsac_ForecastedCashFlowsForInflationRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forecasted Cash Flows For Inflation Risk</link:label>
    <link:label id="lab_bsac_ForecastedCashFlowsForInflationRisk_documentation_en-US" xlink:label="lab_bsac_ForecastedCashFlowsForInflationRisk" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Forecasted cash flows for inflation risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ForecastedCashFlowsForInflationRisk" xlink:href="bsac-20251231.xsd#bsac_ForecastedCashFlowsForInflationRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ForecastedCashFlowsForInflationRisk" xlink:to="lab_bsac_ForecastedCashFlowsForInflationRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LieuOfPaymentGross_feb9ab60-c994-4766-93cd-1e1337c1ca91_terseLabel_en-US" xlink:label="lab_bsac_LieuOfPaymentGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lieu of payment, gross (in Pesos)</link:label>
    <link:label id="lab_bsac_LieuOfPaymentGross_label_en-US" xlink:label="lab_bsac_LieuOfPaymentGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lieu Of Payment Gross</link:label>
    <link:label id="lab_bsac_LieuOfPaymentGross_documentation_en-US" xlink:label="lab_bsac_LieuOfPaymentGross" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">lieu of payment gross.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LieuOfPaymentGross" xlink:href="bsac-20251231.xsd#bsac_LieuOfPaymentGross"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LieuOfPaymentGross" xlink:to="lab_bsac_LieuOfPaymentGross" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfPerpetualBondsLineItems_06be4134-155c-4bf5-bdfa-7db3ee783161_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfPerpetualBondsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Perpetual Bonds [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfPerpetualBondsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfPerpetualBondsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Perpetual Bonds [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfPerpetualBondsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfPerpetualBondsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Perpetual Bonds [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfPerpetualBondsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfPerpetualBondsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfPerpetualBondsLineItems" xlink:to="lab_bsac_ScheduleOfPerpetualBondsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionForFinancialAdvice_b94bb7f3-6b04-497e-9e55-540cc5f94ecc_terseLabel_en-US" xlink:label="lab_bsac_CommissionForFinancialAdvice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commissions for financial advice</link:label>
    <link:label id="lab_bsac_CommissionForFinancialAdvice_label_en-US" xlink:label="lab_bsac_CommissionForFinancialAdvice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commission For Financial Advice</link:label>
    <link:label id="lab_bsac_CommissionForFinancialAdvice_documentation_en-US" xlink:label="lab_bsac_CommissionForFinancialAdvice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commission For Financial Advice</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionForFinancialAdvice" xlink:href="bsac-20251231.xsd#bsac_CommissionForFinancialAdvice"/>
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    <link:label id="lab_bsac_CLPMember_2db4ecc5-4860-414b-a4f6-a386b7610e67_terseLabel_en-US" xlink:label="lab_bsac_CLPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander bonds in Ch$</link:label>
    <link:label id="lab_bsac_CLPMember_2b2c0d82-c143-4d2c-bf67-55d1e26c1c7f_verboseLabel_en-US" xlink:label="lab_bsac_CLPMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">CLP</link:label>
    <link:label id="lab_bsac_CLPMember_label_en-US" xlink:label="lab_bsac_CLPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CLP [Member]</link:label>
    <link:label id="lab_bsac_CLPMember_documentation_en-US" xlink:label="lab_bsac_CLPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">CLP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CLPMember" xlink:href="bsac-20251231.xsd#bsac_CLPMember"/>
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    <link:label id="lab_bsac_CreditCardDebtorsMember_a87ff37e-66a7-4eed-aee7-466d9fa50ea2_terseLabel_en-US" xlink:label="lab_bsac_CreditCardDebtorsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit card debtors</link:label>
    <link:label id="lab_bsac_CreditCardDebtorsMember_label_en-US" xlink:label="lab_bsac_CreditCardDebtorsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Card Debtors [Member]</link:label>
    <link:label id="lab_bsac_CreditCardDebtorsMember_documentation_en-US" xlink:label="lab_bsac_CreditCardDebtorsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit Card Debtors</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CreditCardDebtorsMember" xlink:href="bsac-20251231.xsd#bsac_CreditCardDebtorsMember"/>
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    <link:label id="lab_ifrs-full_TypesOfRisksDomain_19e2b579-cb65-4663-9d85-479062a52880_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfRisksDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of risks [domain]</link:label>
    <link:label id="lab_ifrs-full_TypesOfRisksDomain_label_en-US" xlink:label="lab_ifrs-full_TypesOfRisksDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of risks [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfRisksDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfRisksDomain"/>
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    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage1_1074a93a-9eb0-413a-ae07-a07f0cf58be1_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 3 to stage 1</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage1_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Allowances Transfers From Stage3 To Stage1</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage1_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in expected credit losses allowances resulting from transfers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage1" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage1" xlink:to="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpenseOnBonds_af8f731d-dee7-4a9d-aa3e-6cb1d75c4645_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnBonds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseOnBonds_label_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest expense on bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpenseOnBonds" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestExpenseOnBonds"/>
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    <link:label id="lab_bsac_SubordinatedBondsAllocatedToTier2T2CapitalInRelationToTier2Capital_c3149d37-21dd-4bbe-a020-b8dacee55864_terseLabel_en-US" xlink:label="lab_bsac_SubordinatedBondsAllocatedToTier2T2CapitalInRelationToTier2Capital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subordinated bonds allocated to Tier 2 (T2) capital in relation to Tier 2 capital</link:label>
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    <link:label id="lab_bsac_SubordinatedBondsAllocatedToTier2T2CapitalInRelationToTier2Capital_documentation_en-US" xlink:label="lab_bsac_SubordinatedBondsAllocatedToTier2T2CapitalInRelationToTier2Capital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of subordinated bonds allocated to Tier 2 (T2) capital in relation to Tier 2 capital.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubordinatedBondsAllocatedToTier2T2CapitalInRelationToTier2Capital" xlink:href="bsac-20251231.xsd#bsac_SubordinatedBondsAllocatedToTier2T2CapitalInRelationToTier2Capital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubordinatedBondsAllocatedToTier2T2CapitalInRelationToTier2Capital" xlink:to="lab_bsac_SubordinatedBondsAllocatedToTier2T2CapitalInRelationToTier2Capital" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BalancesOnDemandDepositsFromCustomers_10b1b0fb-9333-4dfa-9687-edc287c161df_terseLabel_en-US" xlink:label="lab_ifrs-full_BalancesOnDemandDepositsFromCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits and other demand liabilities</link:label>
    <link:label id="lab_ifrs-full_BalancesOnDemandDepositsFromCustomers_ad10af19-ded0-4877-ac89-53738df2267a_verboseLabel_en-US" xlink:label="lab_ifrs-full_BalancesOnDemandDepositsFromCustomers" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deposits and other demand obligations</link:label>
    <link:label id="lab_ifrs-full_BalancesOnDemandDepositsFromCustomers_label_en-US" xlink:label="lab_ifrs-full_BalancesOnDemandDepositsFromCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balances on demand deposits from customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BalancesOnDemandDepositsFromCustomers" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BalancesOnDemandDepositsFromCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BalancesOnDemandDepositsFromCustomers" xlink:to="lab_ifrs-full_BalancesOnDemandDepositsFromCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage2_03dfff72-5b8c-4d9a-bb33-8de6db09f12c_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 3 to stage 2</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage2_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Allowances Transfers From Stage3 To Stage2</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage2_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in expected credit losses allowances resulting from transfers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage2" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage2" xlink:to="lab_bsac_ExpectedCreditLossesAllowancesTransfersFromStage3ToStage2" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PortfolioAndOtherManagementFeeIncome_6f86fd40-8f3d-41ea-9545-99598d8702bb_terseLabel_en-US" xlink:label="lab_ifrs-full_PortfolioAndOtherManagementFeeIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fees and commissions for management of accounts</link:label>
    <link:label id="lab_ifrs-full_PortfolioAndOtherManagementFeeIncome_label_en-US" xlink:label="lab_ifrs-full_PortfolioAndOtherManagementFeeIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Portfolio and other management fee income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PortfolioAndOtherManagementFeeIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PortfolioAndOtherManagementFeeIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PortfolioAndOtherManagementFeeIncome" xlink:to="lab_ifrs-full_PortfolioAndOtherManagementFeeIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DerivativeFinancialAsset_242dfaea-dd88-42a4-a02d-911ec1249dbd_terseLabel_en-US" xlink:label="lab_bsac_DerivativeFinancialAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_bsac_DerivativeFinancialAsset_label_en-US" xlink:label="lab_bsac_DerivativeFinancialAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Financial Asset</link:label>
    <link:label id="lab_bsac_DerivativeFinancialAsset_documentation_en-US" xlink:label="lab_bsac_DerivativeFinancialAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DerivativeFinancialAsset" xlink:href="bsac-20251231.xsd#bsac_DerivativeFinancialAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DerivativeFinancialAsset" xlink:to="lab_bsac_DerivativeFinancialAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RightsUnderLendingAgreementsMember_019b9f16-ec6d-7e85-ab89-691df11c87a5_terseLabel_en-US" xlink:label="lab_bsac_RightsUnderLendingAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rights under lending agreements</link:label>
    <link:label id="lab_bsac_RightsUnderLendingAgreementsMember_label_en-US" xlink:label="lab_bsac_RightsUnderLendingAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rights under lending agreements [Member]</link:label>
    <link:label id="lab_bsac_RightsUnderLendingAgreementsMember_documentation_en-US" xlink:label="lab_bsac_RightsUnderLendingAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rights under lending agreements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RightsUnderLendingAgreementsMember" xlink:href="bsac-20251231.xsd#bsac_RightsUnderLendingAgreementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RightsUnderLendingAgreementsMember" xlink:to="lab_bsac_RightsUnderLendingAgreementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LoansAndReceivablesCategoryMember_d0afe0ac-b04a-464a-8b74-43bb95389c40_terseLabel_en-US" xlink:label="lab_ifrs-full_LoansAndReceivablesCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and receivables, category</link:label>
    <link:label id="lab_ifrs-full_LoansAndReceivablesCategoryMember_label_en-US" xlink:label="lab_ifrs-full_LoansAndReceivablesCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and receivables, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LoansAndReceivablesCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LoansAndReceivablesCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LoansAndReceivablesCategoryMember" xlink:to="lab_ifrs-full_LoansAndReceivablesCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterestandInflationIncomeDetailsScheduleofIncomefromInterestLineItems_9ebe4115-b846-4be8-bc46-d55d5e1b32f7_terseLabel_en-US" xlink:label="lab_bsac_InterestandInflationIncomeDetailsScheduleofIncomefromInterestLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Income from Interest [Line Items]</link:label>
    <link:label id="lab_bsac_InterestandInflationIncomeDetailsScheduleofIncomefromInterestLineItems_label_en-US" xlink:label="lab_bsac_InterestandInflationIncomeDetailsScheduleofIncomefromInterestLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Income from Interest [Line Items]</link:label>
    <link:label id="lab_bsac_InterestandInflationIncomeDetailsScheduleofIncomefromInterestLineItems_documentation_en-US" xlink:label="lab_bsac_InterestandInflationIncomeDetailsScheduleofIncomefromInterestLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Income from Interest [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterestandInflationIncomeDetailsScheduleofIncomefromInterestLineItems" xlink:href="bsac-20251231.xsd#bsac_InterestandInflationIncomeDetailsScheduleofIncomefromInterestLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterestandInflationIncomeDetailsScheduleofIncomefromInterestLineItems" xlink:to="lab_bsac_InterestandInflationIncomeDetailsScheduleofIncomefromInterestLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_e9653835-91d0-4824-a7e3-874dbd06fa9e_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible assets and goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_IntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SeniorBondsMember_278007a2-79a9-4cdc-a456-982bc6fa16ba_terseLabel_en-US" xlink:label="lab_bsac_SeniorBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior bonds</link:label>
    <link:label id="lab_bsac_SeniorBondsMember_c73eb9a0-6842-4ecb-a8cf-875f6550ff6d_verboseLabel_en-US" xlink:label="lab_bsac_SeniorBondsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Senior bonds</link:label>
    <link:label id="lab_bsac_SeniorBondsMember_label_en-US" xlink:label="lab_bsac_SeniorBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Bonds [Member]</link:label>
    <link:label id="lab_bsac_SeniorBondsMember_documentation_en-US" xlink:label="lab_bsac_SeniorBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior Bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SeniorBondsMember" xlink:href="bsac-20251231.xsd#bsac_SeniorBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SeniorBondsMember" xlink:to="lab_bsac_SeniorBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_HedgedItemsDomain_448185bf-ee4a-4c40-ab29-5adb31804966_terseLabel_en-US" xlink:label="lab_ifrs-full_HedgedItemsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedged items [domain]</link:label>
    <link:label id="lab_ifrs-full_HedgedItemsDomain_label_en-US" xlink:label="lab_ifrs-full_HedgedItemsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedged items [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HedgedItemsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_HedgedItemsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgedItemsDomain" xlink:to="lab_ifrs-full_HedgedItemsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfProbabilitiesTableTextBlock_10a45701-4161-40cc-90b4-5a7b9010b7e5_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfProbabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Probabilities</link:label>
    <link:label id="lab_bsac_ScheduleOfProbabilitiesTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfProbabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Probabilities [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfProbabilitiesTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfProbabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure for probabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfProbabilitiesTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfProbabilitiesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfProbabilitiesTableTextBlock" xlink:to="lab_bsac_ScheduleOfProbabilitiesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_HedgedItemsAxis_9bf40467-fa40-437b-96dd-6d61aee88927_terseLabel_en-US" xlink:label="lab_ifrs-full_HedgedItemsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedged items [axis]</link:label>
    <link:label id="lab_ifrs-full_HedgedItemsAxis_label_en-US" xlink:label="lab_ifrs-full_HedgedItemsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedged items [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HedgedItemsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_HedgedItemsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgedItemsAxis" xlink:to="lab_ifrs-full_HedgedItemsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OfficeSupplies_fd4802a0-3fc7-4690-bb65-0767fa8468c6_negatedTerseLabel_en-US" xlink:label="lab_bsac_OfficeSupplies" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Office supplies</link:label>
    <link:label id="lab_bsac_OfficeSupplies_label_en-US" xlink:label="lab_bsac_OfficeSupplies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Office Supplies</link:label>
    <link:label id="lab_bsac_OfficeSupplies_documentation_en-US" xlink:label="lab_bsac_OfficeSupplies" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Office supplies.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OfficeSupplies" xlink:href="bsac-20251231.xsd#bsac_OfficeSupplies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OfficeSupplies" xlink:to="lab_bsac_OfficeSupplies" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IssuedDebtInstruments_d5791017-a315-4324-98b3-2028ac301721_terseLabel_en-US" xlink:label="lab_bsac_IssuedDebtInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issued debt instruments</link:label>
    <link:label id="lab_bsac_IssuedDebtInstruments_label_en-US" xlink:label="lab_bsac_IssuedDebtInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued Debt Instruments</link:label>
    <link:label id="lab_bsac_IssuedDebtInstruments_documentation_en-US" xlink:label="lab_bsac_IssuedDebtInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Issued debt instruments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IssuedDebtInstruments" xlink:href="bsac-20251231.xsd#bsac_IssuedDebtInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IssuedDebtInstruments" xlink:to="lab_bsac_IssuedDebtInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory_1947f7eb-271f-46b7-881e-dea5ba9d1a88_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Liability Trading</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of fair value measurement of liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderAsesoriasFinancierasLimitadaS.A.Member_019c467b-be2b-7a0a-b512-ee42520b5a23_terseLabel_en-US" xlink:label="lab_bsac_SantanderAsesoriasFinancierasLimitadaS.A.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Asesor&#237;as Financieras Limitada S.A.</link:label>
    <link:label id="lab_bsac_SantanderAsesoriasFinancierasLimitadaS.A.Member_label_en-US" xlink:label="lab_bsac_SantanderAsesoriasFinancierasLimitadaS.A.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Asesor&#237;as Financieras Limitada S.A. [Member]</link:label>
    <link:label id="lab_bsac_SantanderAsesoriasFinancierasLimitadaS.A.Member_documentation_en-US" xlink:label="lab_bsac_SantanderAsesoriasFinancierasLimitadaS.A.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Asesor&#237;as Financieras Limitada S.A.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderAsesoriasFinancierasLimitadaS.A.Member" xlink:href="bsac-20251231.xsd#bsac_SantanderAsesoriasFinancierasLimitadaS.A.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderAsesoriasFinancierasLimitadaS.A.Member" xlink:to="lab_bsac_SantanderAsesoriasFinancierasLimitadaS.A.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProportionOfDirectOwnershipInterestInSubsidiary_a4c3ba40-3739-45b1-b014-cc10eda15014_terseLabel_en-US" xlink:label="lab_bsac_ProportionOfDirectOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Direct</link:label>
    <link:label id="lab_bsac_ProportionOfDirectOwnershipInterestInSubsidiary_label_en-US" xlink:label="lab_bsac_ProportionOfDirectOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion Of Direct Ownership Interest In Subsidiary</link:label>
    <link:label id="lab_bsac_ProportionOfDirectOwnershipInterestInSubsidiary_documentation_en-US" xlink:label="lab_bsac_ProportionOfDirectOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The proportion of direct ownership interest in a subsidiary attributable to the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProportionOfDirectOwnershipInterestInSubsidiary" xlink:href="bsac-20251231.xsd#bsac_ProportionOfDirectOwnershipInterestInSubsidiary"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProportionOfDirectOwnershipInterestInSubsidiary" xlink:to="lab_bsac_ProportionOfDirectOwnershipInterestInSubsidiary" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GrossDomesticProductGrowthMember_1fd10432-6777-4d8f-a584-8b4cb6cca441_terseLabel_en-US" xlink:label="lab_bsac_GrossDomesticProductGrowthMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">GDP growth</link:label>
    <link:label id="lab_bsac_GrossDomesticProductGrowthMember_label_en-US" xlink:label="lab_bsac_GrossDomesticProductGrowthMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross Domestic Product Growth [Member]</link:label>
    <link:label id="lab_bsac_GrossDomesticProductGrowthMember_documentation_en-US" xlink:label="lab_bsac_GrossDomesticProductGrowthMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for gross domestic product growth.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GrossDomesticProductGrowthMember" xlink:href="bsac-20251231.xsd#bsac_GrossDomesticProductGrowthMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GrossDomesticProductGrowthMember" xlink:to="lab_bsac_GrossDomesticProductGrowthMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialDerivativeContractsAndHedgeContractsMember_50e82c15-6091-4455-9379-20916f4863bb_terseLabel_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsAndHedgeContractsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial derivative contracts and hedge contracts</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsAndHedgeContractsMember_label_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsAndHedgeContractsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts And Hedge Contracts [Member]</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsAndHedgeContractsMember_documentation_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsAndHedgeContractsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts And Hedge Contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialDerivativeContractsAndHedgeContractsMember" xlink:href="bsac-20251231.xsd#bsac_FinancialDerivativeContractsAndHedgeContractsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialDerivativeContractsAndHedgeContractsMember" xlink:to="lab_bsac_FinancialDerivativeContractsAndHedgeContractsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_UniversiaChileS.A.ChileGroupInstitutionalConsultingServicesMonthlyMember_019bf9ec-c8ba-76a7-9504-a9eafe4fece9_terseLabel_en-US" xlink:label="lab_bsac_UniversiaChileS.A.ChileGroupInstitutionalConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Universia Chile S.A.| Chile| Group| Institutional Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_UniversiaChileS.A.ChileGroupInstitutionalConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_UniversiaChileS.A.ChileGroupInstitutionalConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Universia Chile S.A.| Chile| Group| Institutional Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_UniversiaChileS.A.ChileGroupInstitutionalConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_UniversiaChileS.A.ChileGroupInstitutionalConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Universia Chile S.A.| Chile| Group| Institutional Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_UniversiaChileS.A.ChileGroupInstitutionalConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_UniversiaChileS.A.ChileGroupInstitutionalConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_UniversiaChileS.A.ChileGroupInstitutionalConsultingServicesMonthlyMember" xlink:to="lab_bsac_UniversiaChileS.A.ChileGroupInstitutionalConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterestPaymentsToTheHolder_019c5816-e296-71fb-9e96-e8af2149284c_negatedTerseLabel_en-US" xlink:label="lab_bsac_InterestPaymentsToTheHolder" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Interest payments to the holder</link:label>
    <link:label id="lab_bsac_InterestPaymentsToTheHolder_label_en-US" xlink:label="lab_bsac_InterestPaymentsToTheHolder" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Payments To The Holder</link:label>
    <link:label id="lab_bsac_InterestPaymentsToTheHolder_documentation_en-US" xlink:label="lab_bsac_InterestPaymentsToTheHolder" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest Payments To The Holder</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterestPaymentsToTheHolder" xlink:href="bsac-20251231.xsd#bsac_InterestPaymentsToTheHolder"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterestPaymentsToTheHolder" xlink:to="lab_bsac_InterestPaymentsToTheHolder" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherConsumerLoansMember_ddaabb91-9911-4895-9adb-89822dff11d7_verboseLabel_en-US" xlink:label="lab_bsac_OtherConsumerLoansMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other consumer loans</link:label>
    <link:label id="lab_bsac_OtherConsumerLoansMember_label_en-US" xlink:label="lab_bsac_OtherConsumerLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Consumer Loans [Member]</link:label>
    <link:label id="lab_bsac_OtherConsumerLoansMember_documentation_en-US" xlink:label="lab_bsac_OtherConsumerLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Consumer Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherConsumerLoansMember" xlink:href="bsac-20251231.xsd#bsac_OtherConsumerLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherConsumerLoansMember" xlink:to="lab_bsac_OtherConsumerLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_March2024SeniorCLPMember_561a3383-b523-4e27-9ca2-98f00369c7a7_terseLabel_en-US" xlink:label="lab_bsac_March2024SeniorCLPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">March 2024, Senior, CLP</link:label>
    <link:label id="lab_bsac_March2024SeniorCLPMember_label_en-US" xlink:label="lab_bsac_March2024SeniorCLPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">March 2024, Senior, CLP [Member]</link:label>
    <link:label id="lab_bsac_March2024SeniorCLPMember_documentation_en-US" xlink:label="lab_bsac_March2024SeniorCLPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">March 2024, Senior, CLP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_March2024SeniorCLPMember" xlink:href="bsac-20251231.xsd#bsac_March2024SeniorCLPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_March2024SeniorCLPMember" xlink:to="lab_bsac_March2024SeniorCLPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfDeferredTaxesOnIncomeExplanatoryTableTextBlock_f8303c23-669f-496c-8522-a43f8a829aaa_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfDeferredTaxesOnIncomeExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Effect of Deferred Taxes on Income</link:label>
    <link:label id="lab_bsac_ScheduleOfDeferredTaxesOnIncomeExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfDeferredTaxesOnIncomeExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Deferred Taxes On Income Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfDeferredTaxesOnIncomeExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfDeferredTaxesOnIncomeExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure effect of deferred taxes on income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfDeferredTaxesOnIncomeExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfDeferredTaxesOnIncomeExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfDeferredTaxesOnIncomeExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfDeferredTaxesOnIncomeExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalInvestmentPercentage1_0142eacc-fecf-46d5-a179-9296f6d9cec5_terseLabel_en-US" xlink:label="lab_bsac_TotalInvestmentPercentage1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total investment percentage</link:label>
    <link:label id="lab_bsac_TotalInvestmentPercentage1_label_en-US" xlink:label="lab_bsac_TotalInvestmentPercentage1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Investment Percentage1</link:label>
    <link:label id="lab_bsac_TotalInvestmentPercentage1_documentation_en-US" xlink:label="lab_bsac_TotalInvestmentPercentage1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of investment percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalInvestmentPercentage1" xlink:href="bsac-20251231.xsd#bsac_TotalInvestmentPercentage1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalInvestmentPercentage1" xlink:to="lab_bsac_TotalInvestmentPercentage1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedDividendPerShareOptionsGranted_927ba121-d45c-4c31-a855-55365229a08b_terseLabel_en-US" xlink:label="lab_bsac_ExpectedDividendPerShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shareholders dividend per share (in Pesos per share)</link:label>
    <link:label id="lab_bsac_ExpectedDividendPerShareOptionsGranted_label_en-US" xlink:label="lab_bsac_ExpectedDividendPerShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Dividend Per Share Options Granted</link:label>
    <link:label id="lab_bsac_ExpectedDividendPerShareOptionsGranted_documentation_en-US" xlink:label="lab_bsac_ExpectedDividendPerShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of an expected dividend used to calculate the fair value of per share options granted.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedDividendPerShareOptionsGranted" xlink:href="bsac-20251231.xsd#bsac_ExpectedDividendPerShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedDividendPerShareOptionsGranted" xlink:to="lab_bsac_ExpectedDividendPerShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OthersEquityInstrumentsIssuedOtherThanCapital_f0699de0-2962-4d91-807e-e319b0d01930_terseLabel_en-US" xlink:label="lab_bsac_OthersEquityInstrumentsIssuedOtherThanCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others equity instruments issued other than capital</link:label>
    <link:label id="lab_bsac_OthersEquityInstrumentsIssuedOtherThanCapital_label_en-US" xlink:label="lab_bsac_OthersEquityInstrumentsIssuedOtherThanCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Others Equity Instruments Issued Other Than Capital</link:label>
    <link:label id="lab_bsac_OthersEquityInstrumentsIssuedOtherThanCapital_documentation_en-US" xlink:label="lab_bsac_OthersEquityInstrumentsIssuedOtherThanCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of others equity instruments issued other than capital.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OthersEquityInstrumentsIssuedOtherThanCapital" xlink:href="bsac-20251231.xsd#bsac_OthersEquityInstrumentsIssuedOtherThanCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OthersEquityInstrumentsIssuedOtherThanCapital" xlink:to="lab_bsac_OthersEquityInstrumentsIssuedOtherThanCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativeFinancialAssetsHeldForTrading_79430665-2211-4df3-ae83-d1a90017dfe8_totalLabel_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialAssetsHeldForTrading" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Financial assets for trading at fair value through profit and loss</link:label>
    <link:label id="lab_ifrs-full_DerivativeFinancialAssetsHeldForTrading_label_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialAssetsHeldForTrading" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative financial assets held for trading</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativeFinancialAssetsHeldForTrading" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DerivativeFinancialAssetsHeldForTrading"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativeFinancialAssetsHeldForTrading" xlink:to="lab_ifrs-full_DerivativeFinancialAssetsHeldForTrading" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalProfitsOrLossesIncludedInComprehensiveIncomeLiabilities_306fa416-4950-4878-bf6a-682a91e8f288_terseLabel_en-US" xlink:label="lab_bsac_TotalProfitsOrLossesIncludedInComprehensiveIncomeLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total profits or losses included in comprehensive income that are attributable to change in unrealized profit (losses) related to assets or liabilities</link:label>
    <link:label id="lab_bsac_TotalProfitsOrLossesIncludedInComprehensiveIncomeLiabilities_label_en-US" xlink:label="lab_bsac_TotalProfitsOrLossesIncludedInComprehensiveIncomeLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Profits Or Losses Included In Comprehensive Income Liabilities</link:label>
    <link:label id="lab_bsac_TotalProfitsOrLossesIncludedInComprehensiveIncomeLiabilities_documentation_en-US" xlink:label="lab_bsac_TotalProfitsOrLossesIncludedInComprehensiveIncomeLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Profits Or Losses Included In Comprehensive Income Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalProfitsOrLossesIncludedInComprehensiveIncomeLiabilities" xlink:href="bsac-20251231.xsd#bsac_TotalProfitsOrLossesIncludedInComprehensiveIncomeLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalProfitsOrLossesIncludedInComprehensiveIncomeLiabilities" xlink:to="lab_bsac_TotalProfitsOrLossesIncludedInComprehensiveIncomeLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CompaniesOfTheGroupMember_f55d50e1-0c74-45c7-beb8-2d0770be03ab_terseLabel_en-US" xlink:label="lab_bsac_CompaniesOfTheGroupMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Group entities</link:label>
    <link:label id="lab_bsac_CompaniesOfTheGroupMember_a658d630-48c5-4caf-adfe-fd08982a7046_verboseLabel_en-US" xlink:label="lab_bsac_CompaniesOfTheGroupMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Group entities</link:label>
    <link:label id="lab_bsac_CompaniesOfTheGroupMember_label_en-US" xlink:label="lab_bsac_CompaniesOfTheGroupMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Companies Of The Group [Member]</link:label>
    <link:label id="lab_bsac_CompaniesOfTheGroupMember_documentation_en-US" xlink:label="lab_bsac_CompaniesOfTheGroupMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Companies Of The Group</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CompaniesOfTheGroupMember" xlink:href="bsac-20251231.xsd#bsac_CompaniesOfTheGroupMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CompaniesOfTheGroupMember" xlink:to="lab_bsac_CompaniesOfTheGroupMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock_5aedb753-b655-433b-92de-2430ca57ad71_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets and Liabilities</link:label>
    <link:label id="lab_bsac_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Fair Value Measurement Of Assets And Liabilities Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure about fair value measurement of assets and liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SecuritiesHeldInCustody_11a1b792-6b4c-481e-b000-086e5ed3a65c_terseLabel_en-US" xlink:label="lab_bsac_SecuritiesHeldInCustody" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securities held in custody</link:label>
    <link:label id="lab_bsac_SecuritiesHeldInCustody_label_en-US" xlink:label="lab_bsac_SecuritiesHeldInCustody" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Securities Held In Custody</link:label>
    <link:label id="lab_bsac_SecuritiesHeldInCustody_documentation_en-US" xlink:label="lab_bsac_SecuritiesHeldInCustody" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about securities held in custody.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SecuritiesHeldInCustody" xlink:href="bsac-20251231.xsd#bsac_SecuritiesHeldInCustody"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SecuritiesHeldInCustody" xlink:to="lab_bsac_SecuritiesHeldInCustody" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExposureByCategoryDomain_7dd9939b-35fa-4f83-bcfe-79559f924756_terseLabel_en-US" xlink:label="lab_bsac_ExposureByCategoryDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exposure By Category [Domain]</link:label>
    <link:label id="lab_bsac_ExposureByCategoryDomain_label_en-US" xlink:label="lab_bsac_ExposureByCategoryDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exposure By Category [Domain]</link:label>
    <link:label id="lab_bsac_ExposureByCategoryDomain_documentation_en-US" xlink:label="lab_bsac_ExposureByCategoryDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exposure By Category [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExposureByCategoryDomain" xlink:href="bsac-20251231.xsd#bsac_ExposureByCategoryDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExposureByCategoryDomain" xlink:to="lab_bsac_ExposureByCategoryDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ItemsInCourseOfTransmissionToOtherBanks_becc5bcb-91c7-4d1f-aa85-4c282658a97e_terseLabel_en-US" xlink:label="lab_ifrs-full_ItemsInCourseOfTransmissionToOtherBanks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash items in process of being cleared</link:label>
    <link:label id="lab_ifrs-full_ItemsInCourseOfTransmissionToOtherBanks_4c60ac58-15e8-4718-a441-6b94894da3e0_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_ItemsInCourseOfTransmissionToOtherBanks" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_ifrs-full_ItemsInCourseOfTransmissionToOtherBanks_label_en-US" xlink:label="lab_ifrs-full_ItemsInCourseOfTransmissionToOtherBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Items in course of transmission to other banks</link:label>
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    <link:label id="lab_bsac_IncreasedecreaseCapitalAndReserves_437fdcc6-488f-4df2-91ef-58a666aa6e99_terseLabel_en-US" xlink:label="lab_bsac_IncreasedecreaseCapitalAndReserves" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issued perpetual bonds and interest</link:label>
    <link:label id="lab_bsac_IncreasedecreaseCapitalAndReserves_label_en-US" xlink:label="lab_bsac_IncreasedecreaseCapitalAndReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increasedecrease Capital And Reserves</link:label>
    <link:label id="lab_bsac_IncreasedecreaseCapitalAndReserves_documentation_en-US" xlink:label="lab_bsac_IncreasedecreaseCapitalAndReserves" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of increase/decrease capital and reserves.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncreasedecreaseCapitalAndReserves" xlink:href="bsac-20251231.xsd#bsac_IncreasedecreaseCapitalAndReserves"/>
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    <link:label id="lab_bsac_ScheduleOfMarketRiskFinancialManagementPortfolioLineItems_0d856075-84a0-45df-b301-72883f661424_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMarketRiskFinancialManagementPortfolioLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Market Risk Financial Management Portfolio [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfMarketRiskFinancialManagementPortfolioLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfMarketRiskFinancialManagementPortfolioLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Market Risk Financial Management Portfolio [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfMarketRiskFinancialManagementPortfolioLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMarketRiskFinancialManagementPortfolioLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of Market Risk Financial Management Portfolio [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMarketRiskFinancialManagementPortfolioLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMarketRiskFinancialManagementPortfolioLineItems"/>
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    <link:label id="lab_bsac_CentroDeCompensacionAutomatizadoS.A.Member_a9ca2e62-845a-4dc0-818e-7f4d2d51006c_terseLabel_en-US" xlink:label="lab_bsac_CentroDeCompensacionAutomatizadoS.A.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Asset Management S.A. Administradora General de Fondos</link:label>
    <link:label id="lab_bsac_CentroDeCompensacionAutomatizadoS.A.Member_label_en-US" xlink:label="lab_bsac_CentroDeCompensacionAutomatizadoS.A.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Centro de Compensaci&#243;n Automatizado S.A. [Member]</link:label>
    <link:label id="lab_bsac_CentroDeCompensacionAutomatizadoS.A.Member_documentation_en-US" xlink:label="lab_bsac_CentroDeCompensacionAutomatizadoS.A.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Centro de Compensaci&#243;n Automatizado S.A.</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CentroDeCompensacionAutomatizadoS.A.Member" xlink:to="lab_bsac_CentroDeCompensacionAutomatizadoS.A.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GlobalScenarioMember_6955f40b-6c51-4ca6-b9c1-691aad0790cd_terseLabel_en-US" xlink:label="lab_bsac_GlobalScenarioMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Global scenario</link:label>
    <link:label id="lab_bsac_GlobalScenarioMember_label_en-US" xlink:label="lab_bsac_GlobalScenarioMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Global Scenario [Member]</link:label>
    <link:label id="lab_bsac_GlobalScenarioMember_documentation_en-US" xlink:label="lab_bsac_GlobalScenarioMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for global scenario.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GlobalScenarioMember" xlink:href="bsac-20251231.xsd#bsac_GlobalScenarioMember"/>
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    <link:label id="lab_bsac_BancoDeDesarrolloDeAmericaLatinaYElCaribeMember_019b31ba-ba19-788c-9b30-18fea3ad687b_terseLabel_en-US" xlink:label="lab_bsac_BancoDeDesarrolloDeAmericaLatinaYElCaribeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Banco de Desarrollo de Am&#233;rica Latina y el Caribe</link:label>
    <link:label id="lab_bsac_BancoDeDesarrolloDeAmericaLatinaYElCaribeMember_label_en-US" xlink:label="lab_bsac_BancoDeDesarrolloDeAmericaLatinaYElCaribeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banco De Desarrollo De Am&#233;rica Latina Y El Caribe [Member]</link:label>
    <link:label id="lab_bsac_BancoDeDesarrolloDeAmericaLatinaYElCaribeMember_documentation_en-US" xlink:label="lab_bsac_BancoDeDesarrolloDeAmericaLatinaYElCaribeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banco De Desarrollo De Am&#233;rica Latina Y El Caribe</link:label>
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    <link:label id="lab_bsac_ChangesDueToModificationsNotDerecognized_019c57c5-e9e7-7a0b-b953-b514ccb81372_negatedTerseLabel_en-US" xlink:label="lab_bsac_ChangesDueToModificationsNotDerecognized" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Maturity transactions</link:label>
    <link:label id="lab_bsac_ChangesDueToModificationsNotDerecognized_label_en-US" xlink:label="lab_bsac_ChangesDueToModificationsNotDerecognized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changes Due To Modifications Not Derecognized</link:label>
    <link:label id="lab_bsac_ChangesDueToModificationsNotDerecognized_documentation_en-US" xlink:label="lab_bsac_ChangesDueToModificationsNotDerecognized" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Changes Due To Modifications Not Derecognized</link:label>
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    <link:label id="lab_bsac_FinancialAssets1_9c82d5fa-74aa-46f2-811c-939a017d33f9_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssets1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_bsac_FinancialAssets1_label_en-US" xlink:label="lab_bsac_FinancialAssets1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets1</link:label>
    <link:label id="lab_bsac_FinancialAssets1_documentation_en-US" xlink:label="lab_bsac_FinancialAssets1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial assets 1.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssets1" xlink:href="bsac-20251231.xsd#bsac_FinancialAssets1"/>
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    <link:label id="lab_bsac_SalesAndDisposals_439b68e4-6813-4b66-8547-fa9df45d7e6e_terseLabel_en-US" xlink:label="lab_bsac_SalesAndDisposals" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sales and disposals during the period</link:label>
    <link:label id="lab_bsac_SalesAndDisposals_label_en-US" xlink:label="lab_bsac_SalesAndDisposals" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales And Disposals</link:label>
    <link:label id="lab_bsac_SalesAndDisposals_documentation_en-US" xlink:label="lab_bsac_SalesAndDisposals" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of sales and disposals.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SalesAndDisposals" xlink:href="bsac-20251231.xsd#bsac_SalesAndDisposals"/>
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    <link:label id="lab_ifrs-full_ClassesOfOtherProvisionsDomain_b95dc8a5-0cc5-426b-963c-ddf478da855d_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfOtherProvisionsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of other provisions [domain]</link:label>
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    <link:label id="lab_bsac_TermsOfEmployeeBenefits_aef757b7-457d-47fc-a3d3-d7cb4a39d487_terseLabel_en-US" xlink:label="lab_bsac_TermsOfEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Terms of employee benefits</link:label>
    <link:label id="lab_bsac_TermsOfEmployeeBenefits_label_en-US" xlink:label="lab_bsac_TermsOfEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Terms Of Employee Benefits</link:label>
    <link:label id="lab_bsac_TermsOfEmployeeBenefits_documentation_en-US" xlink:label="lab_bsac_TermsOfEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Terms of employee benefits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TermsOfEmployeeBenefits" xlink:href="bsac-20251231.xsd#bsac_TermsOfEmployeeBenefits"/>
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    <link:label id="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis_b9ce7452-e0e2-45cb-a407-430871c51df4_terseLabel_en-US" xlink:label="lab_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Valuation techniques used in fair value measurement [axis]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis"/>
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    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutAvailableForDebtInvestmentsCumulativeUnrealizedProfitAndLossExplanatoryTableTextBlock_4bc49060-a768-4f5b-bda9-4b5804912eca_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutAvailableForDebtInvestmentsCumulativeUnrealizedProfitAndLossExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Charts Show Debt Instruments at Fair Value Through Other Comprehensive Income Cumulative Unrealized Profit and Loss</link:label>
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    <link:label id="lab_bsac_LevelTransferAssets_88909e54-a3a8-4129-9044-63db17871493_terseLabel_en-US" xlink:label="lab_bsac_LevelTransferAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level transfer</link:label>
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    <link:label id="lab_bsac_LevelTransferAssets_documentation_en-US" xlink:label="lab_bsac_LevelTransferAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Level Transfer Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LevelTransferAssets" xlink:href="bsac-20251231.xsd#bsac_LevelTransferAssets"/>
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    <link:label id="lab_bsac_CommercialLoansOneMember_82f1489b-9e87-4a44-b1b2-5b382b43b9ef_terseLabel_en-US" xlink:label="lab_bsac_CommercialLoansOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial loans</link:label>
    <link:label id="lab_bsac_CommercialLoansOneMember_label_en-US" xlink:label="lab_bsac_CommercialLoansOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial Loans One [Member]</link:label>
    <link:label id="lab_bsac_CommercialLoansOneMember_documentation_en-US" xlink:label="lab_bsac_CommercialLoansOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercial Loans One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommercialLoansOneMember" xlink:href="bsac-20251231.xsd#bsac_CommercialLoansOneMember"/>
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    <link:label id="lab_bsac_ScheduleOfMacroEconomicalForwardTable_34eb9949-54a6-496b-8029-f5ec9bf079c4_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMacroEconomicalForwardTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Macro Economical Forward [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfMacroEconomicalForwardTable_label_en-US" xlink:label="lab_bsac_ScheduleOfMacroEconomicalForwardTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Macro Economical Forward [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfMacroEconomicalForwardTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMacroEconomicalForwardTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Macro Economical Forward [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMacroEconomicalForwardTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMacroEconomicalForwardTable"/>
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    <link:label id="lab_bsac_BancoBilbaoVizcayaArgentariaMember_1b1c4bcc-dbce-4ae0-9244-6968143514f7_terseLabel_en-US" xlink:label="lab_bsac_BancoBilbaoVizcayaArgentariaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Banco Bilbao Vizcaya Argentaria</link:label>
    <link:label id="lab_bsac_BancoBilbaoVizcayaArgentariaMember_label_en-US" xlink:label="lab_bsac_BancoBilbaoVizcayaArgentariaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banco Bilbao Vizcaya Argentaria [Member]</link:label>
    <link:label id="lab_bsac_BancoBilbaoVizcayaArgentariaMember_documentation_en-US" xlink:label="lab_bsac_BancoBilbaoVizcayaArgentariaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banco Bilbao Vizcaya Argentaria</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BancoBilbaoVizcayaArgentariaMember" xlink:href="bsac-20251231.xsd#bsac_BancoBilbaoVizcayaArgentariaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BancoBilbaoVizcayaArgentariaMember" xlink:to="lab_bsac_BancoBilbaoVizcayaArgentariaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensation1_4af88bc5-7a94-4935-947b-971539bef7b2_totalLabel_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensation1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensation1_label_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensation1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key Management Personnel Compensation1</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensation1_documentation_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensation1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_KeyManagementPersonnelCompensation1" xlink:href="bsac-20251231.xsd#bsac_KeyManagementPersonnelCompensation1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_KeyManagementPersonnelCompensation1" xlink:to="lab_bsac_KeyManagementPersonnelCompensation1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankHoldsSecurities_7544ac68-3c78-41a7-aa03-3bafd228ef28_totalLabel_en-US" xlink:label="lab_bsac_BankHoldsSecurities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_BankHoldsSecurities_label_en-US" xlink:label="lab_bsac_BankHoldsSecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Holds Securities</link:label>
    <link:label id="lab_bsac_BankHoldsSecurities_documentation_en-US" xlink:label="lab_bsac_BankHoldsSecurities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of bank holds securities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankHoldsSecurities" xlink:href="bsac-20251231.xsd#bsac_BankHoldsSecurities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankHoldsSecurities" xlink:to="lab_bsac_BankHoldsSecurities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BoardExpenses_315970ca-d4ec-4388-9707-b79537756e99_negatedTerseLabel_en-US" xlink:label="lab_bsac_BoardExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Board expenses</link:label>
    <link:label id="lab_bsac_BoardExpenses_label_en-US" xlink:label="lab_bsac_BoardExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Board Expenses</link:label>
    <link:label id="lab_bsac_BoardExpenses_documentation_en-US" xlink:label="lab_bsac_BoardExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of board expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BoardExpenses" xlink:href="bsac-20251231.xsd#bsac_BoardExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BoardExpenses" xlink:to="lab_bsac_BoardExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ForeignCentralBanksTransactionsMember_019b9f16-ec6d-7a9f-9048-d0c48e12e659_terseLabel_en-US" xlink:label="lab_bsac_ForeignCentralBanksTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign Central banks transactions</link:label>
    <link:label id="lab_bsac_ForeignCentralBanksTransactionsMember_label_en-US" xlink:label="lab_bsac_ForeignCentralBanksTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Central banks transactions [Member]</link:label>
    <link:label id="lab_bsac_ForeignCentralBanksTransactionsMember_documentation_en-US" xlink:label="lab_bsac_ForeignCentralBanksTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Central banks transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ForeignCentralBanksTransactionsMember" xlink:href="bsac-20251231.xsd#bsac_ForeignCentralBanksTransactionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ForeignCentralBanksTransactionsMember" xlink:to="lab_bsac_ForeignCentralBanksTransactionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ConsumerLoanOneMember_4d479d5b-d74e-4fed-bc22-96dc4c2d05fc_terseLabel_en-US" xlink:label="lab_bsac_ConsumerLoanOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consumer Loans</link:label>
    <link:label id="lab_bsac_ConsumerLoanOneMember_label_en-US" xlink:label="lab_bsac_ConsumerLoanOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consumer Loan One [Member]</link:label>
    <link:label id="lab_bsac_ConsumerLoanOneMember_documentation_en-US" xlink:label="lab_bsac_ConsumerLoanOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consumer Loan One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ConsumerLoanOneMember" xlink:href="bsac-20251231.xsd#bsac_ConsumerLoanOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ConsumerLoanOneMember" xlink:to="lab_bsac_ConsumerLoanOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncomeFromBusinessAlliance_2b03ba03-dd6a-45d2-abf9-37a426d7fb74_terseLabel_en-US" xlink:label="lab_bsac_IncomeFromBusinessAlliance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income from business alliance</link:label>
    <link:label id="lab_bsac_IncomeFromBusinessAlliance_label_en-US" xlink:label="lab_bsac_IncomeFromBusinessAlliance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income From Business Alliance</link:label>
    <link:label id="lab_bsac_IncomeFromBusinessAlliance_documentation_en-US" xlink:label="lab_bsac_IncomeFromBusinessAlliance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income from business alliance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncomeFromBusinessAlliance" xlink:href="bsac-20251231.xsd#bsac_IncomeFromBusinessAlliance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncomeFromBusinessAlliance" xlink:to="lab_bsac_IncomeFromBusinessAlliance" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfGrossBalanceTable_3166312e-9cd3-4b1c-9630-1685ba1cfd58_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfGrossBalanceTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Gross Balance [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossBalanceTable_label_en-US" xlink:label="lab_bsac_ScheduleOfGrossBalanceTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Gross Balance [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossBalanceTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfGrossBalanceTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Gross Balance [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfGrossBalanceTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfGrossBalanceTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfGrossBalanceTable" xlink:to="lab_bsac_ScheduleOfGrossBalanceTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable_c7eb36d5-200e-4346-8c6f-cfed59981e39_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Assets at Fair Value Through Other Comprehensive Income [Table]</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable_label_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets at Fair Value Through Other Comprehensive Income [Table]</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Assets at Fair Value Through Other Comprehensive Income [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xlink:to="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IssuanceOfPaidShares_e2c48e46-b43f-4c31-9f2c-5309d7862b0e_terseLabel_en-US" xlink:label="lab_bsac_IssuanceOfPaidShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance of paid share (in shares)</link:label>
    <link:label id="lab_bsac_IssuanceOfPaidShares_label_en-US" xlink:label="lab_bsac_IssuanceOfPaidShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issuance Of Paid Shares</link:label>
    <link:label id="lab_bsac_IssuanceOfPaidShares_documentation_en-US" xlink:label="lab_bsac_IssuanceOfPaidShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information about issuance of paid shares.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IssuanceOfPaidShares" xlink:href="bsac-20251231.xsd#bsac_IssuanceOfPaidShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IssuanceOfPaidShares" xlink:to="lab_bsac_IssuanceOfPaidShares" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderConsumerChileSAMember_068b156d-2516-415a-b5f6-f319126a746d_terseLabel_en-US" xlink:label="lab_bsac_SantanderConsumerChileSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Consumer Chile S.A.</link:label>
    <link:label id="lab_bsac_SantanderConsumerChileSAMember_label_en-US" xlink:label="lab_bsac_SantanderConsumerChileSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Consumer Chile SA [Member]</link:label>
    <link:label id="lab_bsac_SantanderConsumerChileSAMember_documentation_en-US" xlink:label="lab_bsac_SantanderConsumerChileSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Consumer Chile SA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderConsumerChileSAMember" xlink:href="bsac-20251231.xsd#bsac_SantanderConsumerChileSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderConsumerChileSAMember" xlink:to="lab_bsac_SantanderConsumerChileSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_fe088d74-cd61-4faa-8d20-ae3f6bdcfb69_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for intangible assets and goodwill [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisUsingUnobservedSignificantEntriesTableTextBlockTableTextBlock_95d9834d-336a-4d3b-9414-6b14bee308bd_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisUsingUnobservedSignificantEntriesTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities Measured At Fair Value on a Recurrent Basis Using Unobserved Significant Entries (Level 3)</link:label>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisUsingUnobservedSignificantEntriesTableTextBlockTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisUsingUnobservedSignificantEntriesTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis Using Unobserved Significant Entries Table Text Block [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisUsingUnobservedSignificantEntriesTableTextBlockTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisUsingUnobservedSignificantEntriesTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis Using Unobserved Significant Entries Table Text Block</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisUsingUnobservedSignificantEntriesTableTextBlockTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisUsingUnobservedSignificantEntriesTableTextBlockTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisUsingUnobservedSignificantEntriesTableTextBlockTableTextBlock" xlink:to="lab_bsac_ScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisUsingUnobservedSignificantEntriesTableTextBlockTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ComprehensiveIncomeAttributableToDeferredTax_363a4753-2f6e-488b-9c8f-a97508e4ca9c_terseLabel_en-US" xlink:label="lab_bsac_ComprehensiveIncomeAttributableToDeferredTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax</link:label>
    <link:label id="lab_bsac_ComprehensiveIncomeAttributableToDeferredTax_label_en-US" xlink:label="lab_bsac_ComprehensiveIncomeAttributableToDeferredTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income Attributable To Deferred Tax</link:label>
    <link:label id="lab_bsac_ComprehensiveIncomeAttributableToDeferredTax_documentation_en-US" xlink:label="lab_bsac_ComprehensiveIncomeAttributableToDeferredTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Comprehensive Income Attributable To Deferred Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ComprehensiveIncomeAttributableToDeferredTax" xlink:href="bsac-20251231.xsd#bsac_ComprehensiveIncomeAttributableToDeferredTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ComprehensiveIncomeAttributableToDeferredTax" xlink:to="lab_bsac_ComprehensiveIncomeAttributableToDeferredTax" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTableTextBlock_e92e6c3b-3ae3-4f9d-b8ee-b4b00edd8605_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Time Deposits and Other Time Liabilities</link:label>
    <link:label id="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Time Deposits And Other Time Liabilities [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of time deposits and other time liabilities table text block.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTableTextBlock" xlink:to="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedLosses_da38115f-641d-45ae-b566-76b0eac6cff1_terseLabel_en-US" xlink:label="lab_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of debt financial instruments at FVOCI generating realized losses</link:label>
    <link:label id="lab_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedLosses_label_en-US" xlink:label="lab_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale Of Available For Sale Investments Generating Realized Losses</link:label>
    <link:label id="lab_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedLosses_documentation_en-US" xlink:label="lab_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to generating realized losses from sale of available for sale investment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedLosses" xlink:href="bsac-20251231.xsd#bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedLosses" xlink:to="lab_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutFinancialInstrumentsSubjectToCompensationExplanatoryTableTextBlock_2fc0d817-b2c0-4187-b600-1546c2620659_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutFinancialInstrumentsSubjectToCompensationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Instruments Subject to Compensation</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutFinancialInstrumentsSubjectToCompensationExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutFinancialInstrumentsSubjectToCompensationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Financial Instruments Subject To Compensation Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutFinancialInstrumentsSubjectToCompensationExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutFinancialInstrumentsSubjectToCompensationExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about financial instruments subject to compensation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutFinancialInstrumentsSubjectToCompensationExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutFinancialInstrumentsSubjectToCompensationExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutFinancialInstrumentsSubjectToCompensationExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutFinancialInstrumentsSubjectToCompensationExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level1OfFairValueHierarchyMember_acf82907-8a32-45c0-92aa-70e38d1ccc08_terseLabel_en-US" xlink:label="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 1</link:label>
    <link:label id="lab_ifrs-full_Level1OfFairValueHierarchyMember_92499903-8117-4b88-b9d0-d72160b91743_verboseLabel_en-US" xlink:label="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Stage 1</link:label>
    <link:label id="lab_ifrs-full_Level1OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Level 1 of fair value hierarchy [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level1OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Level1OfFairValueHierarchyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level1OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level1OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities_f41d59bc-094e-4a7b-907e-10d044e1f267_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest received</link:label>
    <link:label id="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest received, classified as operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestReceivedClassifiedAsOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:to="lab_ifrs-full_InterestReceivedClassifiedAsOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossAllowancesRelatedToMacroEconomy_60e987a5-9203-495b-a704-6fe8c02b3027_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossAllowancesRelatedToMacroEconomy" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defaulted loans from mortgage</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossAllowancesRelatedToMacroEconomy_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossAllowancesRelatedToMacroEconomy" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Loss Allowances Related To Macro Economy</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossAllowancesRelatedToMacroEconomy_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossAllowancesRelatedToMacroEconomy" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of expected credit loss allowances related to macro economy.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossAllowancesRelatedToMacroEconomy" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossAllowancesRelatedToMacroEconomy"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossAllowancesRelatedToMacroEconomy" xlink:to="lab_bsac_ExpectedCreditLossAllowancesRelatedToMacroEconomy" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CapitalNivel2Equivalente_d1bbb962-74ec-44dc-90e0-9e66b76d05ba_totalLabel_en-US" xlink:label="lab_bsac_CapitalNivel2Equivalente" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">= (26+27) Capital nivel 2 equivalente (T2)</link:label>
    <link:label id="lab_bsac_CapitalNivel2Equivalente_label_en-US" xlink:label="lab_bsac_CapitalNivel2Equivalente" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Nivel2 Equivalente</link:label>
    <link:label id="lab_bsac_CapitalNivel2Equivalente_documentation_en-US" xlink:label="lab_bsac_CapitalNivel2Equivalente" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of capital nivel 2 equivalent.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CapitalNivel2Equivalente" xlink:href="bsac-20251231.xsd#bsac_CapitalNivel2Equivalente"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CapitalNivel2Equivalente" xlink:to="lab_bsac_CapitalNivel2Equivalente" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskTable_509d80ec-b37f-4f90-84f3-1d0a834336c1_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Interest Rate Risk [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskTable_label_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Interest Rate Risk [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Interest Rate Risk [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskTable" xlink:to="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MiscellaneousOtherOperatingIncome_8e47bbed-e373-4aa9-8cde-ccf10798e723_terseLabel_en-US" xlink:label="lab_ifrs-full_MiscellaneousOtherOperatingIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_MiscellaneousOtherOperatingIncome_label_en-US" xlink:label="lab_ifrs-full_MiscellaneousOtherOperatingIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Miscellaneous other operating income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MiscellaneousOtherOperatingIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MiscellaneousOtherOperatingIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MiscellaneousOtherOperatingIncome" xlink:to="lab_ifrs-full_MiscellaneousOtherOperatingIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssetsAbstract_1dc1b981-777b-48d6-b676-aad492971213_terseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ASSETS</link:label>
    <link:label id="lab_ifrs-full_AssetsAbstract_abfa1b64-9cdc-4397-9f25-f037e415656a_verboseLabel_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_ifrs-full_AssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssetsAbstract" xlink:to="lab_ifrs-full_AssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_IcfrAuditorAttestationFlag_d84573e1-36c1-458d-a0a2-a14a13d56aba_terseLabel_en-US" xlink:label="lab_dei_IcfrAuditorAttestationFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ICFR Auditor Attestation Flag</link:label>
    <link:label id="lab_dei_IcfrAuditorAttestationFlag_label_en-US" xlink:label="lab_dei_IcfrAuditorAttestationFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ICFR Auditor Attestation Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_IcfrAuditorAttestationFlag" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_IcfrAuditorAttestationFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_IcfrAuditorAttestationFlag" xlink:to="lab_dei_IcfrAuditorAttestationFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherComprehensiveIncomes_78f48003-5c19-46c0-9524-b93e42e2a9c4_terseLabel_en-US" xlink:label="lab_bsac_OtherComprehensiveIncomes" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_OtherComprehensiveIncomes_label_en-US" xlink:label="lab_bsac_OtherComprehensiveIncomes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Incomes</link:label>
    <link:label id="lab_bsac_OtherComprehensiveIncomes_documentation_en-US" xlink:label="lab_bsac_OtherComprehensiveIncomes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other comprehensive income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherComprehensiveIncomes" xlink:href="bsac-20251231.xsd#bsac_OtherComprehensiveIncomes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherComprehensiveIncomes" xlink:to="lab_bsac_OtherComprehensiveIncomes" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutFeesAndCommissionExplanatoryTableTextBlock_7417321c-25c3-4562-88f5-4ba012aed5cf_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutFeesAndCommissionExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Fees and Commission Income</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutFeesAndCommissionExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutFeesAndCommissionExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Fees And Commission Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutFeesAndCommissionExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutFeesAndCommissionExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Fees And Commission Explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutFeesAndCommissionExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutFeesAndCommissionExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutFeesAndCommissionExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutFeesAndCommissionExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFairValueOfDerivativeInstrumentsTable_a562c244-5ffc-4f84-bb64-23323f4f1a86_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFairValueOfDerivativeInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value of Derivative Instruments [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueOfDerivativeInstrumentsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfFairValueOfDerivativeInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value of Derivative Instruments [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueOfDerivativeInstrumentsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFairValueOfDerivativeInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value of Derivative Instruments [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFairValueOfDerivativeInstrumentsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFairValueOfDerivativeInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFairValueOfDerivativeInstrumentsTable" xlink:to="lab_bsac_ScheduleOfFairValueOfDerivativeInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChileanTreasuryBondsMember_86463314-7253-4082-a5a7-57b12d0179b2_terseLabel_en-US" xlink:label="lab_bsac_ChileanTreasuryBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chilean Treasury bonds</link:label>
    <link:label id="lab_bsac_ChileanTreasuryBondsMember_label_en-US" xlink:label="lab_bsac_ChileanTreasuryBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chilean Treasury Bonds [Member]</link:label>
    <link:label id="lab_bsac_ChileanTreasuryBondsMember_documentation_en-US" xlink:label="lab_bsac_ChileanTreasuryBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chilean Treasury Bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChileanTreasuryBondsMember" xlink:href="bsac-20251231.xsd#bsac_ChileanTreasuryBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChileanTreasuryBondsMember" xlink:to="lab_bsac_ChileanTreasuryBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CLFMember_c032142e-f18a-4f27-97c4-22ea4fe39f73_terseLabel_en-US" xlink:label="lab_bsac_CLFMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CLF</link:label>
    <link:label id="lab_bsac_CLFMember_label_en-US" xlink:label="lab_bsac_CLFMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CLF [Member]</link:label>
    <link:label id="lab_bsac_CLFMember_documentation_en-US" xlink:label="lab_bsac_CLFMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">CLF</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CLFMember" xlink:href="bsac-20251231.xsd#bsac_CLFMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CLFMember" xlink:to="lab_bsac_CLFMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RedemptionOfPerpetualBondAndPaymentsOfInterestInDollars_4c945a88-d6de-411e-84d5-4d5db02a21a7_negatedLabel_en-US" xlink:label="lab_bsac_RedemptionOfPerpetualBondAndPaymentsOfInterestInDollars" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Redemption of perpetual bond and payments of interest</link:label>
    <link:label id="lab_bsac_RedemptionOfPerpetualBondAndPaymentsOfInterestInDollars_label_en-US" xlink:label="lab_bsac_RedemptionOfPerpetualBondAndPaymentsOfInterestInDollars" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Redemption Of Perpetual Bond And Payments Of Interest In Dollars</link:label>
    <link:label id="lab_bsac_RedemptionOfPerpetualBondAndPaymentsOfInterestInDollars_documentation_en-US" xlink:label="lab_bsac_RedemptionOfPerpetualBondAndPaymentsOfInterestInDollars" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Redemption of perpetual bond and payments of interest.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RedemptionOfPerpetualBondAndPaymentsOfInterestInDollars" xlink:href="bsac-20251231.xsd#bsac_RedemptionOfPerpetualBondAndPaymentsOfInterestInDollars"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RedemptionOfPerpetualBondAndPaymentsOfInterestInDollars" xlink:to="lab_bsac_RedemptionOfPerpetualBondAndPaymentsOfInterestInDollars" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember_58a2368e-85cf-4285-90da-daf7e246d9bd_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities at FVTPL</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities at fair value through profit or loss, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionIncome_be2fbade-2b34-4524-8c48-a33be973a54c_totalLabel_en-US" xlink:label="lab_bsac_CommissionIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_CommissionIncome_label_en-US" xlink:label="lab_bsac_CommissionIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commission Income</link:label>
    <link:label id="lab_bsac_CommissionIncome_documentation_en-US" xlink:label="lab_bsac_CommissionIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commission Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionIncome" xlink:href="bsac-20251231.xsd#bsac_CommissionIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionIncome" xlink:to="lab_bsac_CommissionIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfPostEmploymentBenefitsLineItems_476f417c-36be-4dae-b882-609858f32c19_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfPostEmploymentBenefitsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Post-Employment Benefits [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfPostEmploymentBenefitsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfPostEmploymentBenefitsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Post-Employment Benefits [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfPostEmploymentBenefitsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfPostEmploymentBenefitsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Post-Employment Benefits [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfPostEmploymentBenefitsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfPostEmploymentBenefitsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfPostEmploymentBenefitsLineItems" xlink:to="lab_bsac_ScheduleOfPostEmploymentBenefitsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialDerivativeContractsForAccountingHedgesMember_886870b1-6983-4190-8877-e87f6857b15a_terseLabel_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsForAccountingHedgesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial derivative contracts for accounting hedges</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsForAccountingHedgesMember_label_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsForAccountingHedgesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts For Accounting Hedges [Member]</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsForAccountingHedgesMember_documentation_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsForAccountingHedgesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts For Accounting Hedges</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialDerivativeContractsForAccountingHedgesMember" xlink:href="bsac-20251231.xsd#bsac_FinancialDerivativeContractsForAccountingHedgesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialDerivativeContractsForAccountingHedgesMember" xlink:to="lab_bsac_FinancialDerivativeContractsForAccountingHedgesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AllowanceForECL_177f4cc1-de45-475c-8cf3-5fa24bc44cb0_terseLabel_en-US" xlink:label="lab_bsac_AllowanceForECL" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for ECL &#8211; discounted cash flow methodology</link:label>
    <link:label id="lab_bsac_AllowanceForECL_7d150bb7-4098-47d0-b0ac-dc7410566397_verboseLabel_en-US" xlink:label="lab_bsac_AllowanceForECL" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">ECL allowance calculated on an individual basis</link:label>
    <link:label id="lab_bsac_AllowanceForECL_label_en-US" xlink:label="lab_bsac_AllowanceForECL" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance For ECL</link:label>
    <link:label id="lab_bsac_AllowanceForECL_documentation_en-US" xlink:label="lab_bsac_AllowanceForECL" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Allowance For ECL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AllowanceForECL" xlink:href="bsac-20251231.xsd#bsac_AllowanceForECL"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AllowanceForECL" xlink:to="lab_bsac_AllowanceForECL" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherBorrowings_21546e51-4aa1-4c56-9d4c-775c310fe80e_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interbank borrowings</link:label>
    <link:label id="lab_ifrs-full_OtherBorrowings_label_en-US" xlink:label="lab_ifrs-full_OtherBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherBorrowings" xlink:to="lab_ifrs-full_OtherBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RentalIncome_afcd4d6c-ee1b-4502-85a9-9764c1e0deba_terseLabel_en-US" xlink:label="lab_ifrs-full_RentalIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rental income</link:label>
    <link:label id="lab_ifrs-full_RentalIncome_label_en-US" xlink:label="lab_ifrs-full_RentalIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rental income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RentalIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RentalIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RentalIncome" xlink:to="lab_ifrs-full_RentalIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetLossFromOperationalRiskEvents_5b9a22d7-dfa4-418d-8d82-e291c4018064_totalLabel_en-US" xlink:label="lab_bsac_NetLossFromOperationalRiskEvents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net loss from operational risk events</link:label>
    <link:label id="lab_bsac_NetLossFromOperationalRiskEvents_label_en-US" xlink:label="lab_bsac_NetLossFromOperationalRiskEvents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Loss From Operational Risk Events</link:label>
    <link:label id="lab_bsac_NetLossFromOperationalRiskEvents_documentation_en-US" xlink:label="lab_bsac_NetLossFromOperationalRiskEvents" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of net loss from operational risk events.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetLossFromOperationalRiskEvents" xlink:href="bsac-20251231.xsd#bsac_NetLossFromOperationalRiskEvents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetLossFromOperationalRiskEvents" xlink:to="lab_bsac_NetLossFromOperationalRiskEvents" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalEquipmentImpairment_c9878788-8af5-443b-82e8-34b3d66e3afa_negatedTotalLabel_en-US" xlink:label="lab_bsac_TotalEquipmentImpairment" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total impairment</link:label>
    <link:label id="lab_bsac_TotalEquipmentImpairment_label_en-US" xlink:label="lab_bsac_TotalEquipmentImpairment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Equipment Impairment</link:label>
    <link:label id="lab_bsac_TotalEquipmentImpairment_documentation_en-US" xlink:label="lab_bsac_TotalEquipmentImpairment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total equipment impairment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalEquipmentImpairment" xlink:href="bsac-20251231.xsd#bsac_TotalEquipmentImpairment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalEquipmentImpairment" xlink:to="lab_bsac_TotalEquipmentImpairment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory_6a9164a6-70b8-49ae-93a7-fea3cd03bbe7_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Significant Accounting Policies</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of changes in accounting policies [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis_c479d900-2354-49b1-8367-3f540b60b2b4_terseLabel_en-US" xlink:label="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type of measurement of expected credit losses [axis]</link:label>
    <link:label id="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis_label_en-US" xlink:label="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type of measurement of expected credit losses [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:to="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMacrosEconomicalForwardTableTextBlock_0593bf3c-2e28-4890-9f5d-dc063b25f5d0_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMacrosEconomicalForwardTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Macro Economical Forward</link:label>
    <link:label id="lab_bsac_ScheduleOfMacrosEconomicalForwardTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfMacrosEconomicalForwardTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Macros Economical Forward [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfMacrosEconomicalForwardTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMacrosEconomicalForwardTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure for macro economical forward.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMacrosEconomicalForwardTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMacrosEconomicalForwardTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfMacrosEconomicalForwardTableTextBlock" xlink:to="lab_bsac_ScheduleOfMacrosEconomicalForwardTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ConsumerLoansAccountReceivable_1fa92c59-a3f6-4ba1-a3f2-f0783931973e_terseLabel_en-US" xlink:label="lab_bsac_ConsumerLoansAccountReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consumer loans</link:label>
    <link:label id="lab_bsac_ConsumerLoansAccountReceivable_label_en-US" xlink:label="lab_bsac_ConsumerLoansAccountReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consumer Loans Account Receivable</link:label>
    <link:label id="lab_bsac_ConsumerLoansAccountReceivable_documentation_en-US" xlink:label="lab_bsac_ConsumerLoansAccountReceivable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consumer Loans Account Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ConsumerLoansAccountReceivable" xlink:href="bsac-20251231.xsd#bsac_ConsumerLoansAccountReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ConsumerLoansAccountReceivable" xlink:to="lab_bsac_ConsumerLoansAccountReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesAssets_2cff062c-06b8-4fb9-aa5a-5704be2eae93_terseLabel_en-US" xlink:label="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesAssets_label_en-US" xlink:label="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments In Subsidiaries Joint Ventures And Associates Assets</link:label>
    <link:label id="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesAssets_documentation_en-US" xlink:label="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of investments accounted for using the equity method. The equity method is a method of accounting whereby the investment is initially recognised at cost and adjusted thereafter for the post-acquisition change in the investor's share of net assets of the investee. The investor's profit or loss includes its share of the profit or loss of the investee. The investor's other comprehensive income includes its share of the other comprehensive income of the investee.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesAssets" xlink:href="bsac-20251231.xsd#bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesAssets" xlink:to="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FeesAndCommissionsForIntermediationAndManagementOfSecurities_2de00fa2-d47d-4326-bbe2-09697c3c12fa_terseLabel_en-US" xlink:label="lab_bsac_FeesAndCommissionsForIntermediationAndManagementOfSecurities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fees and commissions for intermediation and management of securities</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForIntermediationAndManagementOfSecurities_label_en-US" xlink:label="lab_bsac_FeesAndCommissionsForIntermediationAndManagementOfSecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees And Commissions For Intermediation And Management Of Securities</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForIntermediationAndManagementOfSecurities_documentation_en-US" xlink:label="lab_bsac_FeesAndCommissionsForIntermediationAndManagementOfSecurities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of income recognised from intermediation and management of securities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FeesAndCommissionsForIntermediationAndManagementOfSecurities" xlink:href="bsac-20251231.xsd#bsac_FeesAndCommissionsForIntermediationAndManagementOfSecurities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FeesAndCommissionsForIntermediationAndManagementOfSecurities" xlink:to="lab_bsac_FeesAndCommissionsForIntermediationAndManagementOfSecurities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesCashFlowHedgesRecognizedThroughOtherComprehensiveIncome_b215e5bd-dfac-4266-a9d4-0afcba6487cb_negatedLabel_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesCashFlowHedgesRecognizedThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Cash flow hedges</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesCashFlowHedgesRecognizedThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesCashFlowHedgesRecognizedThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities Cash Flow Hedges Recognized Through Other Comprehensive Income</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesCashFlowHedgesRecognizedThroughOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesCashFlowHedgesRecognizedThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about deferred tax liabilities cash flow hedges recognized through other comprehensive income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxLiabilitiesCashFlowHedgesRecognizedThroughOtherComprehensiveIncome" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxLiabilitiesCashFlowHedgesRecognizedThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxLiabilitiesCashFlowHedgesRecognizedThroughOtherComprehensiveIncome" xlink:to="lab_bsac_DeferredTaxLiabilitiesCashFlowHedgesRecognizedThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_KlareCorredoraDeSegurosS.A.ChileGroupConsultingServicesMonthlyMember_019bf9fb-759a-77be-aef3-1d146664542e_terseLabel_en-US" xlink:label="lab_bsac_KlareCorredoraDeSegurosS.A.ChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Klare Corredora de Seguros S.A.| Chile| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_KlareCorredoraDeSegurosS.A.ChileGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_KlareCorredoraDeSegurosS.A.ChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Klare Corredora de Seguros S.A.| Chile| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_KlareCorredoraDeSegurosS.A.ChileGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_KlareCorredoraDeSegurosS.A.ChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Klare Corredora de Seguros S.A.| Chile| Group| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_KlareCorredoraDeSegurosS.A.ChileGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_KlareCorredoraDeSegurosS.A.ChileGroupConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_KlareCorredoraDeSegurosS.A.ChileGroupConsultingServicesMonthlyMember" xlink:to="lab_bsac_KlareCorredoraDeSegurosS.A.ChileGroupConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialLiabilityTradingLineItems_02730c65-c511-428e-a36e-2d7153f2f580_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialLiabilityTradingLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Liability Trading [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialLiabilityTradingLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialLiabilityTradingLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Liability Trading [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialLiabilityTradingLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialLiabilityTradingLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Liability Trading [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialLiabilityTradingLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialLiabilityTradingLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialLiabilityTradingLineItems" xlink:to="lab_bsac_ScheduleOfFinancialLiabilityTradingLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_3b99e1b7-74da-4d67-a05c-9b92b3d2c270_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total cash flow (used in) provided by operating activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) operating activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsScheduleofMaturitiesofSeniorBondsLineItems_b5016836-91a8-4d2c-a022-f26cf4e69709_terseLabel_en-US" xlink:label="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsScheduleofMaturitiesofSeniorBondsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of maturities of senior bonds [Abstract]</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsScheduleofMaturitiesofSeniorBondsLineItems_label_en-US" xlink:label="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsScheduleofMaturitiesofSeniorBondsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of maturities of senior bonds [Abstract]</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsScheduleofMaturitiesofSeniorBondsLineItems_documentation_en-US" xlink:label="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsScheduleofMaturitiesofSeniorBondsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of maturities of senior bonds [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialLiabilitiesatAmortisedCostDetailsScheduleofMaturitiesofSeniorBondsLineItems" xlink:href="bsac-20251231.xsd#bsac_FinancialLiabilitiesatAmortisedCostDetailsScheduleofMaturitiesofSeniorBondsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialLiabilitiesatAmortisedCostDetailsScheduleofMaturitiesofSeniorBondsLineItems" xlink:to="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsScheduleofMaturitiesofSeniorBondsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_019c2268-b0a6-7b1e-acde-ef10e4d85c23_terseLabel_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [axis]</link:label>
    <link:label id="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis_label_en-US" xlink:label="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-adjusting events after reporting period [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:to="lab_ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentExplanatoryTableTextBlock_6976f017-1dda-472b-a396-cae5cb8598c9_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value of these Equity Investments</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Fair Value Of These Equity Investment Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of schedule of fair value of these equity investment explanatory.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFairValueOfTheseEquityInvestmentExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFairValueOfTheseEquityInvestmentExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFairValueOfTheseEquityInvestmentExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfFairValueOfTheseEquityInvestmentExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_KbcBankNvMember_7d3ae8bf-93cd-4bb4-ba27-d494fb850769_terseLabel_en-US" xlink:label="lab_bsac_KbcBankNvMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Kbc Bank Nv</link:label>
    <link:label id="lab_bsac_KbcBankNvMember_label_en-US" xlink:label="lab_bsac_KbcBankNvMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Kbc Bank Nv [Member]</link:label>
    <link:label id="lab_bsac_KbcBankNvMember_documentation_en-US" xlink:label="lab_bsac_KbcBankNvMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Kbc Bank Nv</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_KbcBankNvMember" xlink:href="bsac-20251231.xsd#bsac_KbcBankNvMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_KbcBankNvMember" xlink:to="lab_bsac_KbcBankNvMember" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_CLP_ee0553f8-9956-4413-b969-61ee74356b54_terseLabel_en-US" xlink:label="lab_currency_CLP" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chile, Pesos</link:label>
    <link:label id="lab_currency_CLP_label_en-US" xlink:label="lab_currency_CLP" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chile, Pesos</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_CLP" xlink:href="https://xbrl.sec.gov/currency/2024/currency-2024.xsd#currency_CLP"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_CLP" xlink:to="lab_currency_CLP" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutOtherComprehensiveIncomeFromAvailableForSaleInvestmentsAndCashFlowHedgesExplanatoryTableTextBlock_5644db07-4696-459b-860d-d8d9e660e079_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutOtherComprehensiveIncomeFromAvailableForSaleInvestmentsAndCashFlowHedgesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other Comprehensive Income from Available for Sale Investments and Cash Flow Hedges</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutOtherComprehensiveIncomeFromAvailableForSaleInvestmentsAndCashFlowHedgesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutOtherComprehensiveIncomeFromAvailableForSaleInvestmentsAndCashFlowHedgesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Other Comprehensive Income From Available For Sale Investments And Cash Flow Hedges Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutOtherComprehensiveIncomeFromAvailableForSaleInvestmentsAndCashFlowHedgesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutOtherComprehensiveIncomeFromAvailableForSaleInvestmentsAndCashFlowHedgesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about other comprehensive income from available for sale investments and cash flow hedges.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutOtherComprehensiveIncomeFromAvailableForSaleInvestmentsAndCashFlowHedgesExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutOtherComprehensiveIncomeFromAvailableForSaleInvestmentsAndCashFlowHedgesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutOtherComprehensiveIncomeFromAvailableForSaleInvestmentsAndCashFlowHedgesExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutOtherComprehensiveIncomeFromAvailableForSaleInvestmentsAndCashFlowHedgesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransfersFromStage1ToStage3_182ddd52-40ac-4bb4-91ac-df9b8198cdf0_terseLabel_en-US" xlink:label="lab_bsac_TransfersFromStage1ToStage3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 1 to stage 3</link:label>
    <link:label id="lab_bsac_TransfersFromStage1ToStage3_label_en-US" xlink:label="lab_bsac_TransfersFromStage1ToStage3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers From Stage1 To Stage3</link:label>
    <link:label id="lab_bsac_TransfersFromStage1ToStage3_documentation_en-US" xlink:label="lab_bsac_TransfersFromStage1ToStage3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in financial assets resulting from transfers. [Refer: Financial assets]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransfersFromStage1ToStage3" xlink:href="bsac-20251231.xsd#bsac_TransfersFromStage1ToStage3"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransfersFromStage1ToStage3" xlink:to="lab_bsac_TransfersFromStage1ToStage3" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderGestinDeRecaudacinYCobranzasLimitadaMember_3b595fce-804f-43d0-b0e6-d33d9ea707e1_terseLabel_en-US" xlink:label="lab_bsac_SantanderGestinDeRecaudacinYCobranzasLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Gesti&#243;n de Recaudaci&#243;n y Cobranzas Limitada</link:label>
    <link:label id="lab_bsac_SantanderGestinDeRecaudacinYCobranzasLimitadaMember_label_en-US" xlink:label="lab_bsac_SantanderGestinDeRecaudacinYCobranzasLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Gestin De Recaudacin YCobranzas Limitada [Member]</link:label>
    <link:label id="lab_bsac_SantanderGestinDeRecaudacinYCobranzasLimitadaMember_documentation_en-US" xlink:label="lab_bsac_SantanderGestinDeRecaudacinYCobranzasLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Gestin De Recaudacin YCobranzas Limitada</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderGestinDeRecaudacinYCobranzasLimitadaMember" xlink:href="bsac-20251231.xsd#bsac_SantanderGestinDeRecaudacinYCobranzasLimitadaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderGestinDeRecaudacinYCobranzasLimitadaMember" xlink:to="lab_bsac_SantanderGestinDeRecaudacinYCobranzasLimitadaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransfersFromStage1ToStage2_f22a2070-dedf-433a-a7cf-dc4a5db0b97f_terseLabel_en-US" xlink:label="lab_bsac_TransfersFromStage1ToStage2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 1 to stage 2</link:label>
    <link:label id="lab_bsac_TransfersFromStage1ToStage2_label_en-US" xlink:label="lab_bsac_TransfersFromStage1ToStage2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers From Stage1 To Stage2</link:label>
    <link:label id="lab_bsac_TransfersFromStage1ToStage2_documentation_en-US" xlink:label="lab_bsac_TransfersFromStage1ToStage2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in financial assets resulting from transfers. [Refer: Financial assets]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransfersFromStage1ToStage2" xlink:href="bsac-20251231.xsd#bsac_TransfersFromStage1ToStage2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransfersFromStage1ToStage2" xlink:to="lab_bsac_TransfersFromStage1ToStage2" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PresentValueOfObligationsAtYearEnd_4ebfa7b9-d3b1-4c77-a227-3206dd0ef0a1_negatedLabel_en-US" xlink:label="lab_bsac_PresentValueOfObligationsAtYearEnd" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Present value of obligations at year end</link:label>
    <link:label id="lab_bsac_PresentValueOfObligationsAtYearEnd_label_en-US" xlink:label="lab_bsac_PresentValueOfObligationsAtYearEnd" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Present Value Of Obligations At Year End</link:label>
    <link:label id="lab_bsac_PresentValueOfObligationsAtYearEnd_documentation_en-US" xlink:label="lab_bsac_PresentValueOfObligationsAtYearEnd" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Present value of obligations at year end.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PresentValueOfObligationsAtYearEnd" xlink:href="bsac-20251231.xsd#bsac_PresentValueOfObligationsAtYearEnd"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PresentValueOfObligationsAtYearEnd" xlink:to="lab_bsac_PresentValueOfObligationsAtYearEnd" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_ContactPersonnelName_b3a426e6-607d-4b6e-9679-5c46eecb448e_terseLabel_en-US" xlink:label="lab_dei_ContactPersonnelName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contact Personnel Name</link:label>
    <link:label id="lab_dei_ContactPersonnelName_label_en-US" xlink:label="lab_dei_ContactPersonnelName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contact Personnel Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_ContactPersonnelName" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_ContactPersonnelName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_ContactPersonnelName" xlink:to="lab_dei_ContactPersonnelName" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeFromFinancialLiabilitiesForTradingAtFVTPL_769434dd-b56b-4a4c-aabb-c0e106d99441_terseLabel_en-US" xlink:label="lab_bsac_NetIncomeFromFinancialLiabilitiesForTradingAtFVTPL" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income from financial liabilities for trading at FVTPL</link:label>
    <link:label id="lab_bsac_NetIncomeFromFinancialLiabilitiesForTradingAtFVTPL_label_en-US" xlink:label="lab_bsac_NetIncomeFromFinancialLiabilitiesForTradingAtFVTPL" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income From Financial Liabilities For Trading At FVTPL</link:label>
    <link:label id="lab_bsac_NetIncomeFromFinancialLiabilitiesForTradingAtFVTPL_documentation_en-US" xlink:label="lab_bsac_NetIncomeFromFinancialLiabilitiesForTradingAtFVTPL" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Income From Financial Liabilities For Trading At FVTPL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeFromFinancialLiabilitiesForTradingAtFVTPL" xlink:href="bsac-20251231.xsd#bsac_NetIncomeFromFinancialLiabilitiesForTradingAtFVTPL"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomeFromFinancialLiabilitiesForTradingAtFVTPL" xlink:to="lab_bsac_NetIncomeFromFinancialLiabilitiesForTradingAtFVTPL" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetChangesInLeasedAssets_d4e58cd5-4a37-42b3-bea5-f337d5c5c40d_negatedLabel_en-US" xlink:label="lab_bsac_NetChangesInLeasedAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Net gain on sale of assets received in lieu of payment</link:label>
    <link:label id="lab_bsac_NetChangesInLeasedAssets_label_en-US" xlink:label="lab_bsac_NetChangesInLeasedAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Changes In Leased Assets</link:label>
    <link:label id="lab_bsac_NetChangesInLeasedAssets_documentation_en-US" xlink:label="lab_bsac_NetChangesInLeasedAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net changes in leased assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetChangesInLeasedAssets" xlink:href="bsac-20251231.xsd#bsac_NetChangesInLeasedAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetChangesInLeasedAssets" xlink:to="lab_bsac_NetChangesInLeasedAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialLiabilitiesAtFairValueTotal_0cc2b552-9c1d-4c30-a36f-9cd36a2bc2a8_terseLabel_en-US" xlink:label="lab_bsac_FinancialLiabilitiesAtFairValueTotal" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesAtFairValueTotal_label_en-US" xlink:label="lab_bsac_FinancialLiabilitiesAtFairValueTotal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Liabilities At Fair Value Total</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesAtFairValueTotal_documentation_en-US" xlink:label="lab_bsac_FinancialLiabilitiesAtFairValueTotal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Liabilities At Fair Value Total</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialLiabilitiesAtFairValueTotal" xlink:href="bsac-20251231.xsd#bsac_FinancialLiabilitiesAtFairValueTotal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialLiabilitiesAtFairValueTotal" xlink:to="lab_bsac_FinancialLiabilitiesAtFairValueTotal" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Deposits1Member_79d62e38-4d27-48bb-a66c-4af24da4a916_terseLabel_en-US" xlink:label="lab_bsac_Deposits1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits</link:label>
    <link:label id="lab_bsac_Deposits1Member_label_en-US" xlink:label="lab_bsac_Deposits1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits1 [Member]</link:label>
    <link:label id="lab_bsac_Deposits1Member_documentation_en-US" xlink:label="lab_bsac_Deposits1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deposits1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Deposits1Member" xlink:href="bsac-20251231.xsd#bsac_Deposits1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Deposits1Member" xlink:to="lab_bsac_Deposits1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MaximumExposureToCreditRiskOfLoansOrReceivables1_0eaa2886-19e1-4129-8d04-0a2d468713b3_terseLabel_en-US" xlink:label="lab_bsac_MaximumExposureToCreditRiskOfLoansOrReceivables1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum exposure to credit risk</link:label>
    <link:label id="lab_bsac_MaximumExposureToCreditRiskOfLoansOrReceivables1_label_en-US" xlink:label="lab_bsac_MaximumExposureToCreditRiskOfLoansOrReceivables1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Exposure To Credit Risk Of Loans Or Receivables, 1</link:label>
    <link:label id="lab_bsac_MaximumExposureToCreditRiskOfLoansOrReceivables1_documentation_en-US" xlink:label="lab_bsac_MaximumExposureToCreditRiskOfLoansOrReceivables1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum Exposure To Credit Risk Of Loans Or Receivables, 1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MaximumExposureToCreditRiskOfLoansOrReceivables1" xlink:href="bsac-20251231.xsd#bsac_MaximumExposureToCreditRiskOfLoansOrReceivables1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MaximumExposureToCreditRiskOfLoansOrReceivables1" xlink:to="lab_bsac_MaximumExposureToCreditRiskOfLoansOrReceivables1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_fd66cdd0-573c-47cf-a1bf-146328d30b4b_terseLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issued as of January 1 (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_e1b2070d-1472-479b-935e-114ca6ebae55_periodEndLabel_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Issued as of December 31 (in shares)</link:label>
    <link:label id="lab_ifrs-full_NumberOfSharesIssued_label_en-US" xlink:label="lab_ifrs-full_NumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of shares issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NumberOfSharesIssued" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NumberOfSharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NumberOfSharesIssued" xlink:to="lab_ifrs-full_NumberOfSharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfShareCapitalReservesAndOtherEquityInterestAbstract_label_en-US" xlink:label="lab_bsac_DisclosureOfShareCapitalReservesAndOtherEquityInterestAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Share Capital, Reserves And Other Equity Interest [Abstract]</link:label>
    <link:label id="lab_bsac_DisclosureOfShareCapitalReservesAndOtherEquityInterestAbstract_documentation_en-US" xlink:label="lab_bsac_DisclosureOfShareCapitalReservesAndOtherEquityInterestAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Share Capital, Reserves And Other Equity Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfShareCapitalReservesAndOtherEquityInterestAbstract" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfShareCapitalReservesAndOtherEquityInterestAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfShareCapitalReservesAndOtherEquityInterestAbstract" xlink:to="lab_bsac_DisclosureOfShareCapitalReservesAndOtherEquityInterestAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherFinancialLiabilities_998edfc2-87b0-4014-bab6-1d347ec4436b_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other financial liabilities</link:label>
    <link:label id="lab_ifrs-full_OtherFinancialLiabilities_67942182-36a0-417b-8c20-d76dfbe36590_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other financial liabilities</link:label>
    <link:label id="lab_ifrs-full_OtherFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherFinancialLiabilities" xlink:to="lab_ifrs-full_OtherFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan_3f652812-a506-4ece-b009-6b80a83cb01e_terseLabel_en-US" xlink:label="lab_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Annual limit (in Dollars)</link:label>
    <link:label id="lab_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan_label_en-US" xlink:label="lab_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Estimate of contributions expected to be paid to plan for next annual reporting period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:to="lab_ifrs-full_EstimateOfContributionsExpectedToBePaidToPlan" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderBancaDeInversionColombiaS.A.S.ColombiaGroupConsultingServicesMonthlyMember_019bf9f3-f0fe-7c25-9c17-3a557364573b_terseLabel_en-US" xlink:label="lab_bsac_SantanderBancaDeInversionColombiaS.A.S.ColombiaGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Banca de Inversi&#243;n Colombia, S.A.S.| Colombia| Group| Consulting Services| Monthly</link:label>
    <link:label id="lab_bsac_SantanderBancaDeInversionColombiaS.A.S.ColombiaGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderBancaDeInversionColombiaS.A.S.ColombiaGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Banca de Inversi&#243;n Colombia, S.A.S.| Colombia| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderBancaDeInversionColombiaS.A.S.ColombiaGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderBancaDeInversionColombiaS.A.S.ColombiaGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Banca de Inversi&#243;n Colombia, S.A.S.| Colombia| Group| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderBancaDeInversionColombiaS.A.S.ColombiaGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderBancaDeInversionColombiaS.A.S.ColombiaGroupConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderBancaDeInversionColombiaS.A.S.ColombiaGroupConsultingServicesMonthlyMember" xlink:to="lab_bsac_SantanderBancaDeInversionColombiaS.A.S.ColombiaGroupConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CapitalToRiskWeightedAssetsRatio_0d1ebf94-03a8-45c4-8f8d-6cd6dc3ea9e4_terseLabel_en-US" xlink:label="lab_bsac_CapitalToRiskWeightedAssetsRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital to risk-weighted assets ratio</link:label>
    <link:label id="lab_bsac_CapitalToRiskWeightedAssetsRatio_label_en-US" xlink:label="lab_bsac_CapitalToRiskWeightedAssetsRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital To Risk-Weighted Assets Ratio</link:label>
    <link:label id="lab_bsac_CapitalToRiskWeightedAssetsRatio_documentation_en-US" xlink:label="lab_bsac_CapitalToRiskWeightedAssetsRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Capital To Risk-Weighted Assets Ratio</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CapitalToRiskWeightedAssetsRatio" xlink:href="bsac-20251231.xsd#bsac_CapitalToRiskWeightedAssetsRatio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CapitalToRiskWeightedAssetsRatio" xlink:to="lab_bsac_CapitalToRiskWeightedAssetsRatio" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_QuantitativeCriteriaOtherCommercialSME_749ca427-3c30-4490-9535-e15eefef4ed9_terseLabel_en-US" xlink:label="lab_bsac_QuantitativeCriteriaOtherCommercialSME" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other commercial, SME</link:label>
    <link:label id="lab_bsac_QuantitativeCriteriaOtherCommercialSME_label_en-US" xlink:label="lab_bsac_QuantitativeCriteriaOtherCommercialSME" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Quantitative Criteria Other Commercial SME</link:label>
    <link:label id="lab_bsac_QuantitativeCriteriaOtherCommercialSME_documentation_en-US" xlink:label="lab_bsac_QuantitativeCriteriaOtherCommercialSME" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Quantitative Criteria Other Commercial SME</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_QuantitativeCriteriaOtherCommercialSME" xlink:href="bsac-20251231.xsd#bsac_QuantitativeCriteriaOtherCommercialSME"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_QuantitativeCriteriaOtherCommercialSME" xlink:to="lab_bsac_QuantitativeCriteriaOtherCommercialSME" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EmployeeBenefitsPersonnelCompensationExpense_bcd3fea2-8ed0-442b-970a-a6f04a1c1eda_negatedLabel_en-US" xlink:label="lab_bsac_EmployeeBenefitsPersonnelCompensationExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Salary compensation</link:label>
    <link:label id="lab_bsac_EmployeeBenefitsPersonnelCompensationExpense_label_en-US" xlink:label="lab_bsac_EmployeeBenefitsPersonnelCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Benefits Personnel Compensation Expense</link:label>
    <link:label id="lab_bsac_EmployeeBenefitsPersonnelCompensationExpense_documentation_en-US" xlink:label="lab_bsac_EmployeeBenefitsPersonnelCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The expense of personnel compensation form of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EmployeeBenefitsPersonnelCompensationExpense" xlink:href="bsac-20251231.xsd#bsac_EmployeeBenefitsPersonnelCompensationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EmployeeBenefitsPersonnelCompensationExpense" xlink:to="lab_bsac_EmployeeBenefitsPersonnelCompensationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ClientProductRelatedMember_9cd4dc9d-1570-4066-8c45-0e978078594c_terseLabel_en-US" xlink:label="lab_bsac_ClientProductRelatedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Clients, products and business practices</link:label>
    <link:label id="lab_bsac_ClientProductRelatedMember_label_en-US" xlink:label="lab_bsac_ClientProductRelatedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Client Product Related [Member]</link:label>
    <link:label id="lab_bsac_ClientProductRelatedMember_documentation_en-US" xlink:label="lab_bsac_ClientProductRelatedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Client Product Related</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ClientProductRelatedMember" xlink:href="bsac-20251231.xsd#bsac_ClientProductRelatedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ClientProductRelatedMember" xlink:to="lab_bsac_ClientProductRelatedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_722ff570-78d5-4389-b965-0cb2b108c62c_terseLabel_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross balance</link:label>
    <link:label id="lab_ifrs-full_GrossCarryingAmountMember_label_en-US" xlink:label="lab_ifrs-full_GrossCarryingAmountMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross carrying amount [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GrossCarryingAmountMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GrossCarryingAmountMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GrossCarryingAmountMember" xlink:to="lab_ifrs-full_GrossCarryingAmountMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BancoSantanderSingapurMember_b5901845-4510-4f40-846a-f951c6ee9339_terseLabel_en-US" xlink:label="lab_bsac_BancoSantanderSingapurMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Banco Santander Singapur</link:label>
    <link:label id="lab_bsac_BancoSantanderSingapurMember_label_en-US" xlink:label="lab_bsac_BancoSantanderSingapurMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banco Santander Singapur [Member]</link:label>
    <link:label id="lab_bsac_BancoSantanderSingapurMember_documentation_en-US" xlink:label="lab_bsac_BancoSantanderSingapurMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banco Santander Singapur</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BancoSantanderSingapurMember" xlink:href="bsac-20251231.xsd#bsac_BancoSantanderSingapurMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BancoSantanderSingapurMember" xlink:to="lab_bsac_BancoSantanderSingapurMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExposureExplanatory_23bd380f-df8c-4eb4-ad6d-ed456a920a67_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExposureExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Maximum Exposure to Credit Risk</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCreditRiskExposureExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCreditRiskExposureExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of credit risk exposure [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCreditRiskExposureExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCreditRiskExposureExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCreditRiskExposureExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCreditRiskExposureExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GrossBalancePropertyPlantAndEquipment_6e41c33b-bacd-425f-9ee0-c15b24ecff90_periodStartLabel_en-US" xlink:label="lab_bsac_GrossBalancePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balances</link:label>
    <link:label id="lab_bsac_GrossBalancePropertyPlantAndEquipment_62b0d286-1e9a-4ca4-82b5-90b9bd790c30_periodEndLabel_en-US" xlink:label="lab_bsac_GrossBalancePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balances</link:label>
    <link:label id="lab_bsac_GrossBalancePropertyPlantAndEquipment_label_en-US" xlink:label="lab_bsac_GrossBalancePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross Balance Property Plant And Equipment</link:label>
    <link:label id="lab_bsac_GrossBalancePropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_bsac_GrossBalancePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gross balance property, plant, and equipment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GrossBalancePropertyPlantAndEquipment" xlink:href="bsac-20251231.xsd#bsac_GrossBalancePropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GrossBalancePropertyPlantAndEquipment" xlink:to="lab_bsac_GrossBalancePropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FairValueOfPlanAssetsAtYearEnd_5b639fab-ae4b-48bb-84c9-de63c72f3b1f_terseLabel_en-US" xlink:label="lab_bsac_FairValueOfPlanAssetsAtYearEnd" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of plan assets at year end</link:label>
    <link:label id="lab_bsac_FairValueOfPlanAssetsAtYearEnd_label_en-US" xlink:label="lab_bsac_FairValueOfPlanAssetsAtYearEnd" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Of Plan Assets At Year End</link:label>
    <link:label id="lab_bsac_FairValueOfPlanAssetsAtYearEnd_documentation_en-US" xlink:label="lab_bsac_FairValueOfPlanAssetsAtYearEnd" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of fair value of plan assets at year end.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FairValueOfPlanAssetsAtYearEnd" xlink:href="bsac-20251231.xsd#bsac_FairValueOfPlanAssetsAtYearEnd"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FairValueOfPlanAssetsAtYearEnd" xlink:to="lab_bsac_FairValueOfPlanAssetsAtYearEnd" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderChileBankMember_71cfd96c-e887-4ca7-a308-a071cc25a3c6_terseLabel_en-US" xlink:label="lab_bsac_SantanderChileBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander-Chile Bank</link:label>
    <link:label id="lab_bsac_SantanderChileBankMember_label_en-US" xlink:label="lab_bsac_SantanderChileBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Chile Bank [Member]</link:label>
    <link:label id="lab_bsac_SantanderChileBankMember_documentation_en-US" xlink:label="lab_bsac_SantanderChileBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Chile Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderChileBankMember" xlink:href="bsac-20251231.xsd#bsac_SantanderChileBankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderChileBankMember" xlink:to="lab_bsac_SantanderChileBankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfInterbankBorrowingsTable_3b76e30f-781e-4edb-92f8-0c0eb1863d92_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfInterbankBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Interbank Borrowings [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfInterbankBorrowingsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfInterbankBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Interbank Borrowings [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfInterbankBorrowingsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfInterbankBorrowingsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Interbank Borrowings [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfInterbankBorrowingsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfInterbankBorrowingsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfInterbankBorrowingsTable" xlink:to="lab_bsac_ScheduleOfInterbankBorrowingsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MetallicNonmetallicMachineryOrOtherMember_52fce150-4aef-43e0-9e0b-eb28a9627d5c_terseLabel_en-US" xlink:label="lab_bsac_MetallicNonmetallicMachineryOrOtherMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Metallic, non-metallic, machinery, or other</link:label>
    <link:label id="lab_bsac_MetallicNonmetallicMachineryOrOtherMember_label_en-US" xlink:label="lab_bsac_MetallicNonmetallicMachineryOrOtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Metallic Nonmetallic Machinery Or Other [Member]</link:label>
    <link:label id="lab_bsac_MetallicNonmetallicMachineryOrOtherMember_documentation_en-US" xlink:label="lab_bsac_MetallicNonmetallicMachineryOrOtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Metallic Nonmetallic Machinery Or Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MetallicNonmetallicMachineryOrOtherMember" xlink:href="bsac-20251231.xsd#bsac_MetallicNonmetallicMachineryOrOtherMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MetallicNonmetallicMachineryOrOtherMember" xlink:to="lab_bsac_MetallicNonmetallicMachineryOrOtherMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfBreakdownByMaturityTable_9950b418-b143-4182-8169-93ada25637b4_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfBreakdownByMaturityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Breakdown by Maturity [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfBreakdownByMaturityTable_label_en-US" xlink:label="lab_bsac_ScheduleOfBreakdownByMaturityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Breakdown by Maturity [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfBreakdownByMaturityTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfBreakdownByMaturityTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Breakdown by Maturity [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfBreakdownByMaturityTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfBreakdownByMaturityTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfBreakdownByMaturityTable" xlink:to="lab_bsac_ScheduleOfBreakdownByMaturityTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansAndAccountsReceivableAbstract_a43be26a-8276-47a6-9ddf-40808627eccf_terseLabel_en-US" xlink:label="lab_bsac_LoansAndAccountsReceivableAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and accounts receivable</link:label>
    <link:label id="lab_bsac_LoansAndAccountsReceivableAbstract_label_en-US" xlink:label="lab_bsac_LoansAndAccountsReceivableAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Accounts Receivable Abstract</link:label>
    <link:label id="lab_bsac_LoansAndAccountsReceivableAbstract_documentation_en-US" xlink:label="lab_bsac_LoansAndAccountsReceivableAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans And Accounts Receivable Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansAndAccountsReceivableAbstract" xlink:href="bsac-20251231.xsd#bsac_LoansAndAccountsReceivableAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansAndAccountsReceivableAbstract" xlink:to="lab_bsac_LoansAndAccountsReceivableAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PagoNxtTradeServicesS.L.SpainGroupDigitalPaymentsMonthlyMember_019b9f64-bbc0-752b-90e1-98870f17cda5_terseLabel_en-US" xlink:label="lab_bsac_PagoNxtTradeServicesS.L.SpainGroupDigitalPaymentsMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PagoNxt Trade Services, S.L.| Spain| Group| Digital payments| Monthly</link:label>
    <link:label id="lab_bsac_PagoNxtTradeServicesS.L.SpainGroupDigitalPaymentsMonthlyMember_label_en-US" xlink:label="lab_bsac_PagoNxtTradeServicesS.L.SpainGroupDigitalPaymentsMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PagoNxt Trade Services, S.L.| Spain| Group| Digital payments| Monthly [Member]</link:label>
    <link:label id="lab_bsac_PagoNxtTradeServicesS.L.SpainGroupDigitalPaymentsMonthlyMember_documentation_en-US" xlink:label="lab_bsac_PagoNxtTradeServicesS.L.SpainGroupDigitalPaymentsMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">PagoNxt Trade Services, S.L.| Spain| Group| Digital payments| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PagoNxtTradeServicesS.L.SpainGroupDigitalPaymentsMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_PagoNxtTradeServicesS.L.SpainGroupDigitalPaymentsMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PagoNxtTradeServicesS.L.SpainGroupDigitalPaymentsMonthlyMember" xlink:to="lab_bsac_PagoNxtTradeServicesS.L.SpainGroupDigitalPaymentsMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OperationsWithOtherForeignEntitiesMember_019bf944-c8d7-75e0-8a37-fe5d8c94619b_terseLabel_en-US" xlink:label="lab_bsac_OperationsWithOtherForeignEntitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactions with other foreign entities</link:label>
    <link:label id="lab_bsac_OperationsWithOtherForeignEntitiesMember_label_en-US" xlink:label="lab_bsac_OperationsWithOtherForeignEntitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operations With Other Foreign Entities [Member]</link:label>
    <link:label id="lab_bsac_OperationsWithOtherForeignEntitiesMember_documentation_en-US" xlink:label="lab_bsac_OperationsWithOtherForeignEntitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operations With Other Foreign Entities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OperationsWithOtherForeignEntitiesMember" xlink:href="bsac-20251231.xsd#bsac_OperationsWithOtherForeignEntitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OperationsWithOtherForeignEntitiesMember" xlink:to="lab_bsac_OperationsWithOtherForeignEntitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_C2Member_f1a2f951-1217-4c89-ad57-5036479406b7_terseLabel_en-US" xlink:label="lab_bsac_C2Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">C2</link:label>
    <link:label id="lab_bsac_C2Member_label_en-US" xlink:label="lab_bsac_C2Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">C2 [Member]</link:label>
    <link:label id="lab_bsac_C2Member_documentation_en-US" xlink:label="lab_bsac_C2Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">C2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_C2Member" xlink:href="bsac-20251231.xsd#bsac_C2Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_C2Member" xlink:to="lab_bsac_C2Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AA16Member_3c537479-5919-43c5-9351-4c200ad20362_terseLabel_en-US" xlink:label="lab_bsac_AA16Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AA16</link:label>
    <link:label id="lab_bsac_AA16Member_label_en-US" xlink:label="lab_bsac_AA16Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AA16 [Member]</link:label>
    <link:label id="lab_bsac_AA16Member_documentation_en-US" xlink:label="lab_bsac_AA16Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">AA16</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AA16Member" xlink:href="bsac-20251231.xsd#bsac_AA16Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AA16Member" xlink:to="lab_bsac_AA16Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotLaterThanOneMonthMember_691a6329-5550-48d0-936f-f1a216932407_terseLabel_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneMonthMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Up to 1 month</link:label>
    <link:label id="lab_ifrs-full_NotLaterThanOneMonthMember_4302e73c-88ec-4758-a1dc-a0f34d66d646_verboseLabel_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneMonthMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Up to 1 month</link:label>
    <link:label id="lab_ifrs-full_NotLaterThanOneMonthMember_label_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneMonthMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Not later than one month [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotLaterThanOneMonthMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NotLaterThanOneMonthMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotLaterThanOneMonthMember" xlink:to="lab_ifrs-full_NotLaterThanOneMonthMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfInvestmentsInAssociatesAndOtherLineItems_facfdddf-46ac-47d0-8c24-5fa099fe1297_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfInvestmentsInAssociatesAndOtherLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Investments in Associates and Other [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfInvestmentsInAssociatesAndOtherLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfInvestmentsInAssociatesAndOtherLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Investments in Associates and Other [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfInvestmentsInAssociatesAndOtherLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfInvestmentsInAssociatesAndOtherLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Investments in Associates and Other [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfInvestmentsInAssociatesAndOtherLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfInvestmentsInAssociatesAndOtherLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfInvestmentsInAssociatesAndOtherLineItems" xlink:to="lab_bsac_ScheduleOfInvestmentsInAssociatesAndOtherLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtStage1TransfersAmount_19a2c67c-516f-4c6a-9dd4-8e1c5e8bca17_terseLabel_en-US" xlink:label="lab_bsac_DebtStage1TransfersAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers to stage 1</link:label>
    <link:label id="lab_bsac_DebtStage1TransfersAmount_label_en-US" xlink:label="lab_bsac_DebtStage1TransfersAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Stage1 Transfers Amount</link:label>
    <link:label id="lab_bsac_DebtStage1TransfersAmount_documentation_en-US" xlink:label="lab_bsac_DebtStage1TransfersAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Stage1 Transfers Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtStage1TransfersAmount" xlink:href="bsac-20251231.xsd#bsac_DebtStage1TransfersAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtStage1TransfersAmount" xlink:to="lab_bsac_DebtStage1TransfersAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionsForPersonnelSalariesAndExpensesMember_a6dd8e0a-1f04-481f-a3b5-4c22ba1f28c5_terseLabel_en-US" xlink:label="lab_bsac_ProvisionsForPersonnelSalariesAndExpensesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions for personnel salaries and expenses</link:label>
    <link:label id="lab_bsac_ProvisionsForPersonnelSalariesAndExpensesMember_label_en-US" xlink:label="lab_bsac_ProvisionsForPersonnelSalariesAndExpensesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions for personnel salaries and expenses [Member]</link:label>
    <link:label id="lab_bsac_ProvisionsForPersonnelSalariesAndExpensesMember_documentation_en-US" xlink:label="lab_bsac_ProvisionsForPersonnelSalariesAndExpensesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provisions for personnel salaries and expenses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionsForPersonnelSalariesAndExpensesMember" xlink:href="bsac-20251231.xsd#bsac_ProvisionsForPersonnelSalariesAndExpensesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionsForPersonnelSalariesAndExpensesMember" xlink:to="lab_bsac_ProvisionsForPersonnelSalariesAndExpensesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CreditEquivalents_1aa2c0c4-6cb6-4698-b019-4eaf0eb95b32_terseLabel_en-US" xlink:label="lab_bsac_CreditEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit equivalents</link:label>
    <link:label id="lab_bsac_CreditEquivalents_label_en-US" xlink:label="lab_bsac_CreditEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Equivalents</link:label>
    <link:label id="lab_bsac_CreditEquivalents_documentation_en-US" xlink:label="lab_bsac_CreditEquivalents" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of credit equivalents.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CreditEquivalents" xlink:href="bsac-20251231.xsd#bsac_CreditEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CreditEquivalents" xlink:to="lab_bsac_CreditEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AssociatesMember_591a8a45-3c9c-44ec-87c2-2329436d0263_terseLabel_en-US" xlink:label="lab_ifrs-full_AssociatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Associates entities</link:label>
    <link:label id="lab_ifrs-full_AssociatesMember_d3ae4d15-1cdd-429b-8aa5-3588a7af2b8c_verboseLabel_en-US" xlink:label="lab_ifrs-full_AssociatesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Associates entities</link:label>
    <link:label id="lab_ifrs-full_AssociatesMember_label_en-US" xlink:label="lab_ifrs-full_AssociatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total for all associates [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AssociatesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AssociatesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AssociatesMember" xlink:to="lab_ifrs-full_AssociatesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences_21809c93-4814-4dbe-87d2-4c1f411e04c9_terseLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Origination and reversal of temporary differences</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax expense (income) relating to origination and reversal of temporary differences</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:to="lab_ifrs-full_DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesStagesAxis_1a6f69dd-6b76-4989-8c2f-121bdad5162c_verboseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesStagesAxis" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Stages [Axis]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesStagesAxis_a44ee6a9-4c43-4e88-837d-878ef234e346_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesStagesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Stages [Axis]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesStagesAxis_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesStagesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Stages [Axis]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesStagesAxis_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesStagesAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Stages</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesStagesAxis" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesStagesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesStagesAxis" xlink:to="lab_bsac_ExpectedCreditLossesStagesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory_a5e08777-a582-4396-8525-1e523b39cb58_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Administrative Expenses</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of general and administrative expense [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:to="lab_ifrs-full_DisclosureOfGeneralAndAdministrativeExpenseExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherCreditCommitments_0033927c-372e-4dfd-9f0c-8c15f82e346d_totalLabel_en-US" xlink:label="lab_bsac_OtherCreditCommitments" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Other credit commitments</link:label>
    <link:label id="lab_bsac_OtherCreditCommitments_label_en-US" xlink:label="lab_bsac_OtherCreditCommitments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Credit Commitments</link:label>
    <link:label id="lab_bsac_OtherCreditCommitments_documentation_en-US" xlink:label="lab_bsac_OtherCreditCommitments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other credit commitments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherCreditCommitments" xlink:href="bsac-20251231.xsd#bsac_OtherCreditCommitments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherCreditCommitments" xlink:to="lab_bsac_OtherCreditCommitments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain_7bbab4d9-01bb-4322-948a-cdef623c9e2a_terseLabel_en-US" xlink:label="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Attribution of expenses by nature to their function [domain]</link:label>
    <link:label id="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain_label_en-US" xlink:label="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Attribution of expenses by nature to their function [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:to="lab_ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionsForMandatoryDividendsMember_e763502c-e2d9-4547-8d61-2413e20e203c_terseLabel_en-US" xlink:label="lab_bsac_ProvisionsForMandatoryDividendsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions for mandatory dividends</link:label>
    <link:label id="lab_bsac_ProvisionsForMandatoryDividendsMember_label_en-US" xlink:label="lab_bsac_ProvisionsForMandatoryDividendsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions for mandatory dividends [Member]</link:label>
    <link:label id="lab_bsac_ProvisionsForMandatoryDividendsMember_documentation_en-US" xlink:label="lab_bsac_ProvisionsForMandatoryDividendsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provisions for mandatory dividends</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionsForMandatoryDividendsMember" xlink:href="bsac-20251231.xsd#bsac_ProvisionsForMandatoryDividendsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionsForMandatoryDividendsMember" xlink:to="lab_bsac_ProvisionsForMandatoryDividendsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ItauUnibancoSAMember_ca946384-aacd-414e-8e62-d43009c53d7b_terseLabel_en-US" xlink:label="lab_bsac_ItauUnibancoSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Itau Unibanco S/A</link:label>
    <link:label id="lab_bsac_ItauUnibancoSAMember_label_en-US" xlink:label="lab_bsac_ItauUnibancoSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Itau Unibanco S/A [Member]</link:label>
    <link:label id="lab_bsac_ItauUnibancoSAMember_documentation_en-US" xlink:label="lab_bsac_ItauUnibancoSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Itau Unibanco S/A</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ItauUnibancoSAMember" xlink:href="bsac-20251231.xsd#bsac_ItauUnibancoSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ItauUnibancoSAMember" xlink:to="lab_bsac_ItauUnibancoSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ConsumerLoansOneMember_6af0e946-3e73-4944-ac15-374e37f3dbdf_terseLabel_en-US" xlink:label="lab_bsac_ConsumerLoansOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consumer loans</link:label>
    <link:label id="lab_bsac_ConsumerLoansOneMember_label_en-US" xlink:label="lab_bsac_ConsumerLoansOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consumer Loans One [Member]</link:label>
    <link:label id="lab_bsac_ConsumerLoansOneMember_documentation_en-US" xlink:label="lab_bsac_ConsumerLoansOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consumer Loans One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ConsumerLoansOneMember" xlink:href="bsac-20251231.xsd#bsac_ConsumerLoansOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ConsumerLoansOneMember" xlink:to="lab_bsac_ConsumerLoansOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDiscontinuedOperationsExplanatory_f70de8cb-525a-4f17-86cf-38c305323f22_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDiscontinuedOperationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Income from Non-Current Assets and Groups Available for Sale Not Admissible as Discontinued Operations</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDiscontinuedOperationsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDiscontinuedOperationsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of discontinued operations [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDiscontinuedOperationsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDiscontinuedOperationsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDiscontinuedOperationsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDiscontinuedOperationsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EffectsOfMergerOfCompaniesUnderCommonControlMember_7d68b4ea-e949-4484-b87a-95797bafc0e9_terseLabel_en-US" xlink:label="lab_bsac_EffectsOfMergerOfCompaniesUnderCommonControlMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Merger of companies under common control</link:label>
    <link:label id="lab_bsac_EffectsOfMergerOfCompaniesUnderCommonControlMember_label_en-US" xlink:label="lab_bsac_EffectsOfMergerOfCompaniesUnderCommonControlMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effects Of Merger Of Companies Under Common Control [Member]</link:label>
    <link:label id="lab_bsac_EffectsOfMergerOfCompaniesUnderCommonControlMember_documentation_en-US" xlink:label="lab_bsac_EffectsOfMergerOfCompaniesUnderCommonControlMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for effects of merger of companies under common control.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EffectsOfMergerOfCompaniesUnderCommonControlMember" xlink:href="bsac-20251231.xsd#bsac_EffectsOfMergerOfCompaniesUnderCommonControlMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EffectsOfMergerOfCompaniesUnderCommonControlMember" xlink:to="lab_bsac_EffectsOfMergerOfCompaniesUnderCommonControlMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExtraordinaryAllocations_e8c43e9f-e683-4f9f-a534-dfee3a43a4fd_terseLabel_en-US" xlink:label="lab_bsac_ExtraordinaryAllocations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Extraordinary allocations</link:label>
    <link:label id="lab_bsac_ExtraordinaryAllocations_label_en-US" xlink:label="lab_bsac_ExtraordinaryAllocations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Extraordinary Allocations</link:label>
    <link:label id="lab_bsac_ExtraordinaryAllocations_documentation_en-US" xlink:label="lab_bsac_ExtraordinaryAllocations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of extraordinary allocations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExtraordinaryAllocations" xlink:href="bsac-20251231.xsd#bsac_ExtraordinaryAllocations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExtraordinaryAllocations" xlink:to="lab_bsac_ExtraordinaryAllocations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfExpensesAssociatedWithAssetsForTheRightOfUseLeasedAssetsAndLeaseLiabilityTableExplanatoryTableTextBlock_b91fc90c-8e7b-4b45-b7e4-2d50448d0d70_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfExpensesAssociatedWithAssetsForTheRightOfUseLeasedAssetsAndLeaseLiabilityTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Expenses Associated with Assets for the Right of Use Leased Assets and Lease Liability</link:label>
    <link:label id="lab_bsac_DisclosureOfExpensesAssociatedWithAssetsForTheRightOfUseLeasedAssetsAndLeaseLiabilityTableExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfExpensesAssociatedWithAssetsForTheRightOfUseLeasedAssetsAndLeaseLiabilityTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Expenses Associated With Assets For The Right Of Use Leased Assets And Lease Liability Table Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfExpensesAssociatedWithAssetsForTheRightOfUseLeasedAssetsAndLeaseLiabilityTableExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfExpensesAssociatedWithAssetsForTheRightOfUseLeasedAssetsAndLeaseLiabilityTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of expenses associated with assets for the right of use leased assets and lease liability.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfExpensesAssociatedWithAssetsForTheRightOfUseLeasedAssetsAndLeaseLiabilityTableExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfExpensesAssociatedWithAssetsForTheRightOfUseLeasedAssetsAndLeaseLiabilityTableExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfExpensesAssociatedWithAssetsForTheRightOfUseLeasedAssetsAndLeaseLiabilityTableExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfExpensesAssociatedWithAssetsForTheRightOfUseLeasedAssetsAndLeaseLiabilityTableExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ForeignObligationsMember_2108a251-b314-46fb-934f-9848da40357d_terseLabel_en-US" xlink:label="lab_bsac_ForeignObligationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign obligations</link:label>
    <link:label id="lab_bsac_ForeignObligationsMember_label_en-US" xlink:label="lab_bsac_ForeignObligationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Obligations [Member]</link:label>
    <link:label id="lab_bsac_ForeignObligationsMember_documentation_en-US" xlink:label="lab_bsac_ForeignObligationsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Obligations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ForeignObligationsMember" xlink:href="bsac-20251231.xsd#bsac_ForeignObligationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ForeignObligationsMember" xlink:to="lab_bsac_ForeignObligationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherAsset_2458b66f-69a6-4ec9-9c4b-b28aa7f183ba_terseLabel_en-US" xlink:label="lab_bsac_OtherAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_bsac_OtherAsset_label_en-US" xlink:label="lab_bsac_OtherAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Asset</link:label>
    <link:label id="lab_bsac_OtherAsset_documentation_en-US" xlink:label="lab_bsac_OtherAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of assets classified as other.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherAsset" xlink:href="bsac-20251231.xsd#bsac_OtherAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherAsset" xlink:to="lab_bsac_OtherAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpensesForMaintenanceOfAssetsReceivedInLieuOfPayment_ac4a58ca-0661-4a37-a547-b131e6655f50_negatedLabel_en-US" xlink:label="lab_bsac_ExpensesForMaintenanceOfAssetsReceivedInLieuOfPayment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Expenses for maintenance of assets received in lieu of payment</link:label>
    <link:label id="lab_bsac_ExpensesForMaintenanceOfAssetsReceivedInLieuOfPayment_label_en-US" xlink:label="lab_bsac_ExpensesForMaintenanceOfAssetsReceivedInLieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expenses For Maintenance Of Assets Received In Lieu Of Payment</link:label>
    <link:label id="lab_bsac_ExpensesForMaintenanceOfAssetsReceivedInLieuOfPayment_documentation_en-US" xlink:label="lab_bsac_ExpensesForMaintenanceOfAssetsReceivedInLieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expenses for maintenance of assets received in lieu of payment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpensesForMaintenanceOfAssetsReceivedInLieuOfPayment" xlink:href="bsac-20251231.xsd#bsac_ExpensesForMaintenanceOfAssetsReceivedInLieuOfPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpensesForMaintenanceOfAssetsReceivedInLieuOfPayment" xlink:to="lab_bsac_ExpensesForMaintenanceOfAssetsReceivedInLieuOfPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LiabilitiesFromCashFlowIncreaseDecreaseClassifiedAsFinancingActivities_cff3ad91-5d08-428d-95a7-849d109596e6_negatedTerseLabel_en-US" xlink:label="lab_bsac_LiabilitiesFromCashFlowIncreaseDecreaseClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Cash Flow</link:label>
    <link:label id="lab_bsac_LiabilitiesFromCashFlowIncreaseDecreaseClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_bsac_LiabilitiesFromCashFlowIncreaseDecreaseClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities From Cash Flow Increase Decrease Classified As Financing Activities</link:label>
    <link:label id="lab_bsac_LiabilitiesFromCashFlowIncreaseDecreaseClassifiedAsFinancingActivities_documentation_en-US" xlink:label="lab_bsac_LiabilitiesFromCashFlowIncreaseDecreaseClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Liabilities from cash flow increase decrease classified as financing activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LiabilitiesFromCashFlowIncreaseDecreaseClassifiedAsFinancingActivities" xlink:href="bsac-20251231.xsd#bsac_LiabilitiesFromCashFlowIncreaseDecreaseClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LiabilitiesFromCashFlowIncreaseDecreaseClassifiedAsFinancingActivities" xlink:to="lab_bsac_LiabilitiesFromCashFlowIncreaseDecreaseClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderChileHoldingS.A.ChileGroupConsultingServicesMonthlyMember_019bf9e3-70b4-7cfc-bcef-255101d42719_terseLabel_en-US" xlink:label="lab_bsac_SantanderChileHoldingS.A.ChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Chile Holding S.A.| Chile| Group| Consulting Services| Monthly</link:label>
    <link:label id="lab_bsac_SantanderChileHoldingS.A.ChileGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderChileHoldingS.A.ChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Chile Holding S.A.| Chile| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderChileHoldingS.A.ChileGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderChileHoldingS.A.ChileGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Chile Holding S.A.| Chile| Group| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderChileHoldingS.A.ChileGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderChileHoldingS.A.ChileGroupConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderChileHoldingS.A.ChileGroupConsultingServicesMonthlyMember" xlink:to="lab_bsac_SantanderChileHoldingS.A.ChileGroupConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BasicEarningsPerShareFromContinuingOperations_cba48723-d53d-4aaf-81b2-3100200fc3ac_terseLabel_en-US" xlink:label="lab_bsac_BasicEarningsPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic earnings per share from continuing operations (in Pesos per share)</link:label>
    <link:label id="lab_bsac_BasicEarningsPerShareFromContinuingOperations_label_en-US" xlink:label="lab_bsac_BasicEarningsPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basic Earnings Per Share From Continuing Operations</link:label>
    <link:label id="lab_bsac_BasicEarningsPerShareFromContinuingOperations_documentation_en-US" xlink:label="lab_bsac_BasicEarningsPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Basic earnings (loss) per share from continuing operations. [Refer: Basic earnings (loss) per share.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BasicEarningsPerShareFromContinuingOperations" xlink:href="bsac-20251231.xsd#bsac_BasicEarningsPerShareFromContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BasicEarningsPerShareFromContinuingOperations" xlink:to="lab_bsac_BasicEarningsPerShareFromContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain_dae0cce9-8807-4f00-a41c-fa58fd124e9b_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial instruments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NetDeferredTaxAssets_ed22e05b-ff9d-4bcc-b518-fbe803297b83_verboseLabel_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deferred taxes</link:label>
    <link:label id="lab_ifrs-full_NetDeferredTaxAssets_e29e1a77-9a47-4cb1-8395-407ebf4c2d7e_totalLabel_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Deferred tax asset after off-setting</link:label>
    <link:label id="lab_ifrs-full_NetDeferredTaxAssets_label_en-US" xlink:label="lab_ifrs-full_NetDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net deferred tax assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NetDeferredTaxAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NetDeferredTaxAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NetDeferredTaxAssets" xlink:to="lab_ifrs-full_NetDeferredTaxAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfPersonnelExpensesTextBlock_5f2d3e35-5347-465c-8883-255bf08bcca6_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfPersonnelExpensesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Personnel Salaries and Expenses</link:label>
    <link:label id="lab_bsac_DisclosureOfPersonnelExpensesTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfPersonnelExpensesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Personnel Expenses [Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfPersonnelExpensesTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfPersonnelExpensesTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure of personnel expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfPersonnelExpensesTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfPersonnelExpensesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfPersonnelExpensesTextBlock" xlink:to="lab_bsac_DisclosureOfPersonnelExpensesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossAbstract_86f65eb7-a9eb-4db5-842b-849d608fd76d_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Assets For Trading At Fair Value Through Profit And Loss Abstract</link:label>
    <link:label id="lab_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossAbstract_label_en-US" xlink:label="lab_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets For Trading At Fair Value Through Profit And Loss [Abstract]</link:label>
    <link:label id="lab_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossAbstract_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Assets For Trading At Fair Value Through Profit And Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossAbstract" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossAbstract" xlink:to="lab_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInLoansAndAccountReceivableFromCustomersNet_cbf35e2e-2156-4e29-aa9a-d9abfda63b72_negatedLabel_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInLoansAndAccountReceivableFromCustomersNet" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">(Increase)/decrease of loans and accounts receivables from customers, net</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInLoansAndAccountReceivableFromCustomersNet_label_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInLoansAndAccountReceivableFromCustomersNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Decrease Increase In Loans And Account Receivable From Customers Net</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInLoansAndAccountReceivableFromCustomersNet_documentation_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInLoansAndAccountReceivableFromCustomersNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustments for decrease increase in loans and account receivable from customers net.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentsForDecreaseIncreaseInLoansAndAccountReceivableFromCustomersNet" xlink:href="bsac-20251231.xsd#bsac_AdjustmentsForDecreaseIncreaseInLoansAndAccountReceivableFromCustomersNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentsForDecreaseIncreaseInLoansAndAccountReceivableFromCustomersNet" xlink:to="lab_bsac_AdjustmentsForDecreaseIncreaseInLoansAndAccountReceivableFromCustomersNet" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfPerpetualBondsTableTextBlockTableTextBlock_e8fb2638-547f-4850-a1b8-cfc4b6f77ab4_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfPerpetualBondsTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Perpetual Bonds</link:label>
    <link:label id="lab_bsac_DisclosureOfPerpetualBondsTableTextBlockTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfPerpetualBondsTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Perpetual Bonds Table Text Block [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfPerpetualBondsTableTextBlockTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfPerpetualBondsTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Perpetual Bonds Table Text Block</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfPerpetualBondsTableTextBlockTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfPerpetualBondsTableTextBlockTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfPerpetualBondsTableTextBlockTableTextBlock" xlink:to="lab_bsac_DisclosureOfPerpetualBondsTableTextBlockTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExportImportBankOfThailandMember_cfea73d1-f8eb-4c18-bc20-ab43c07ffdee_terseLabel_en-US" xlink:label="lab_bsac_ExportImportBankOfThailandMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Export-Import Bank of Thailand</link:label>
    <link:label id="lab_bsac_ExportImportBankOfThailandMember_label_en-US" xlink:label="lab_bsac_ExportImportBankOfThailandMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Export Import Bank Of Thailand [Member]</link:label>
    <link:label id="lab_bsac_ExportImportBankOfThailandMember_documentation_en-US" xlink:label="lab_bsac_ExportImportBankOfThailandMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Export Import Bank Of Thailand</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExportImportBankOfThailandMember" xlink:href="bsac-20251231.xsd#bsac_ExportImportBankOfThailandMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExportImportBankOfThailandMember" xlink:to="lab_bsac_ExportImportBankOfThailandMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_StageThreeMember_b5034836-7c75-4cd7-aeb9-55443cd1c9f7_terseLabel_en-US" xlink:label="lab_bsac_StageThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stage 3</link:label>
    <link:label id="lab_bsac_StageThreeMember_label_en-US" xlink:label="lab_bsac_StageThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stage Three [Member]</link:label>
    <link:label id="lab_bsac_StageThreeMember_documentation_en-US" xlink:label="lab_bsac_StageThreeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stage Three</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_StageThreeMember" xlink:href="bsac-20251231.xsd#bsac_StageThreeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_StageThreeMember" xlink:to="lab_bsac_StageThreeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HedgingInstrumentNetFlow_b435981a-6c65-4886-a2a4-c83678bedc64_terseLabel_en-US" xlink:label="lab_bsac_HedgingInstrumentNetFlow" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net flows</link:label>
    <link:label id="lab_bsac_HedgingInstrumentNetFlow_label_en-US" xlink:label="lab_bsac_HedgingInstrumentNetFlow" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging Instrument Net Flow</link:label>
    <link:label id="lab_bsac_HedgingInstrumentNetFlow_documentation_en-US" xlink:label="lab_bsac_HedgingInstrumentNetFlow" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of hedging instrument net flow.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HedgingInstrumentNetFlow" xlink:href="bsac-20251231.xsd#bsac_HedgingInstrumentNetFlow"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HedgingInstrumentNetFlow" xlink:to="lab_bsac_HedgingInstrumentNetFlow" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionsForPrepayments_b2a81e78-9921-448c-818c-63289e23417f_terseLabel_en-US" xlink:label="lab_bsac_CommissionsForPrepayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commissions for prepayments</link:label>
    <link:label id="lab_bsac_CommissionsForPrepayments_label_en-US" xlink:label="lab_bsac_CommissionsForPrepayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commissions For Prepayments</link:label>
    <link:label id="lab_bsac_CommissionsForPrepayments_documentation_en-US" xlink:label="lab_bsac_CommissionsForPrepayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of commissions for prepayments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionsForPrepayments" xlink:href="bsac-20251231.xsd#bsac_CommissionsForPrepayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionsForPrepayments" xlink:to="lab_bsac_CommissionsForPrepayments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PlanAssetsAtFairValues_e351787b-ee60-4661-966c-1bb00fe584c5_terseLabel_en-US" xlink:label="lab_bsac_PlanAssetsAtFairValues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Plan assets</link:label>
    <link:label id="lab_bsac_PlanAssetsAtFairValues_label_en-US" xlink:label="lab_bsac_PlanAssetsAtFairValues" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Plan Assets At Fair Values</link:label>
    <link:label id="lab_bsac_PlanAssetsAtFairValues_documentation_en-US" xlink:label="lab_bsac_PlanAssetsAtFairValues" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PlanAssetsAtFairValues" xlink:href="bsac-20251231.xsd#bsac_PlanAssetsAtFairValues"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PlanAssetsAtFairValues" xlink:to="lab_bsac_PlanAssetsAtFairValues" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilities_9b76fd1e-4b1b-491e-9cab-9110ae3fddee_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current taxes</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilities_7fa5613b-5dd1-41e7-b2b9-2ee8d8f37297_verboseLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Current tax liabilities</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilities_773d0545-61f9-4589-97ce-ab490fc4fb54_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Current tax liabilities after off-setting</link:label>
    <link:label id="lab_ifrs-full_CurrentTaxLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current tax liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentTaxLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentTaxLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentTaxLiabilities" xlink:to="lab_ifrs-full_CurrentTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LossLimitMember_fb936b06-bef0-458c-a9c3-c30330abdf82_terseLabel_en-US" xlink:label="lab_bsac_LossLimitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss limit</link:label>
    <link:label id="lab_bsac_LossLimitMember_label_en-US" xlink:label="lab_bsac_LossLimitMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Limit [Member]</link:label>
    <link:label id="lab_bsac_LossLimitMember_documentation_en-US" xlink:label="lab_bsac_LossLimitMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loss Limit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LossLimitMember" xlink:href="bsac-20251231.xsd#bsac_LossLimitMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LossLimitMember" xlink:to="lab_bsac_LossLimitMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfDeferredTaxesOnComprehensiveIncomeExplanatoryTableTextBlock_3b7fc2d4-4716-4e65-8c91-4f9ac8c2e8ea_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfDeferredTaxesOnComprehensiveIncomeExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Effect of Deferred Taxes on Comprehensive Income</link:label>
    <link:label id="lab_bsac_ScheduleOfDeferredTaxesOnComprehensiveIncomeExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfDeferredTaxesOnComprehensiveIncomeExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Deferred Taxes On Comprehensive Income Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfDeferredTaxesOnComprehensiveIncomeExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfDeferredTaxesOnComprehensiveIncomeExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure effect of deferred taxes on comprehensive income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfDeferredTaxesOnComprehensiveIncomeExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfDeferredTaxesOnComprehensiveIncomeExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfDeferredTaxesOnComprehensiveIncomeExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfDeferredTaxesOnComprehensiveIncomeExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AccumulatedDepreciation_9de5c422-bc16-47b4-9a50-e033dfc5bfc2_periodStartLabel_en-US" xlink:label="lab_bsac_AccumulatedDepreciation" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balances</link:label>
    <link:label id="lab_bsac_AccumulatedDepreciation_246087ec-8c65-4fee-ada3-09d0ca21c490_periodEndLabel_en-US" xlink:label="lab_bsac_AccumulatedDepreciation" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balances</link:label>
    <link:label id="lab_bsac_AccumulatedDepreciation_label_en-US" xlink:label="lab_bsac_AccumulatedDepreciation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Depreciation</link:label>
    <link:label id="lab_bsac_AccumulatedDepreciation_documentation_en-US" xlink:label="lab_bsac_AccumulatedDepreciation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Balance of accumulated depreciation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AccumulatedDepreciation" xlink:href="bsac-20251231.xsd#bsac_AccumulatedDepreciation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AccumulatedDepreciation" xlink:to="lab_bsac_AccumulatedDepreciation" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SegmentReportingAnnualSalesThreshold_66aafc54-d75b-4887-9bc5-8d3babda872c_terseLabel_en-US" xlink:label="lab_bsac_SegmentReportingAnnualSalesThreshold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment reporting, annual sales threshold</link:label>
    <link:label id="lab_bsac_SegmentReportingAnnualSalesThreshold_label_en-US" xlink:label="lab_bsac_SegmentReportingAnnualSalesThreshold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting, Annual Sales Threshold</link:label>
    <link:label id="lab_bsac_SegmentReportingAnnualSalesThreshold_documentation_en-US" xlink:label="lab_bsac_SegmentReportingAnnualSalesThreshold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Segment Reporting, Annual Sales Threshold</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SegmentReportingAnnualSalesThreshold" xlink:href="bsac-20251231.xsd#bsac_SegmentReportingAnnualSalesThreshold"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SegmentReportingAnnualSalesThreshold" xlink:to="lab_bsac_SegmentReportingAnnualSalesThreshold" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates_fb120133-bc0c-4e93-9ed1-99aaa9dac88e_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Net sale on sale of investment in associates and other companies</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for gain (loss) on disposal of investments in subsidiaries, joint ventures and associates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:to="lab_ifrs-full_AdjustmentsForGainLossOnDisposalOfInvestmentsInSubsidiariesJointVenturesAndAssociates" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_October2024SeniorUFMember_41666820-2da8-421f-bf59-dc2f5256de28_terseLabel_en-US" xlink:label="lab_bsac_October2024SeniorUFMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">October 2024, Senior, UF</link:label>
    <link:label id="lab_bsac_October2024SeniorUFMember_label_en-US" xlink:label="lab_bsac_October2024SeniorUFMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">October 2024, Senior, UF [Member]</link:label>
    <link:label id="lab_bsac_October2024SeniorUFMember_documentation_en-US" xlink:label="lab_bsac_October2024SeniorUFMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">October 2024, Senior, UF</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_October2024SeniorUFMember" xlink:href="bsac-20251231.xsd#bsac_October2024SeniorUFMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_October2024SeniorUFMember" xlink:to="lab_bsac_October2024SeniorUFMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeExpensefromFinancialOperationsDetailsScheduleofIncomeExpensefromFinancialOperationsLineItems_a10f8234-f659-44d0-abb4-411ea69cfe6c_terseLabel_en-US" xlink:label="lab_bsac_NetIncomeExpensefromFinancialOperationsDetailsScheduleofIncomeExpensefromFinancialOperationsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Income (Expense) from Financial Operations [Line Items]</link:label>
    <link:label id="lab_bsac_NetIncomeExpensefromFinancialOperationsDetailsScheduleofIncomeExpensefromFinancialOperationsLineItems_label_en-US" xlink:label="lab_bsac_NetIncomeExpensefromFinancialOperationsDetailsScheduleofIncomeExpensefromFinancialOperationsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Income (Expense) from Financial Operations [Line Items]</link:label>
    <link:label id="lab_bsac_NetIncomeExpensefromFinancialOperationsDetailsScheduleofIncomeExpensefromFinancialOperationsLineItems_documentation_en-US" xlink:label="lab_bsac_NetIncomeExpensefromFinancialOperationsDetailsScheduleofIncomeExpensefromFinancialOperationsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Income (Expense) from Financial Operations [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeExpensefromFinancialOperationsDetailsScheduleofIncomeExpensefromFinancialOperationsLineItems" xlink:href="bsac-20251231.xsd#bsac_NetIncomeExpensefromFinancialOperationsDetailsScheduleofIncomeExpensefromFinancialOperationsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomeExpensefromFinancialOperationsDetailsScheduleofIncomeExpensefromFinancialOperationsLineItems" xlink:to="lab_bsac_NetIncomeExpensefromFinancialOperationsDetailsScheduleofIncomeExpensefromFinancialOperationsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncomeTaxRelatingToDebtInstrumentsAtFvoci_1df24fb8-d4f6-4a17-8707-ec759dc04a5b_negatedTerseLabel_en-US" xlink:label="lab_bsac_IncomeTaxRelatingToDebtInstrumentsAtFvoci" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Income tax relating to debt instruments at FVOCI</link:label>
    <link:label id="lab_bsac_IncomeTaxRelatingToDebtInstrumentsAtFvoci_label_en-US" xlink:label="lab_bsac_IncomeTaxRelatingToDebtInstrumentsAtFvoci" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Relating To Debt Instruments At Fvoci</link:label>
    <link:label id="lab_bsac_IncomeTaxRelatingToDebtInstrumentsAtFvoci_documentation_en-US" xlink:label="lab_bsac_IncomeTaxRelatingToDebtInstrumentsAtFvoci" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount refer to income tax relating to debt instruments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncomeTaxRelatingToDebtInstrumentsAtFvoci" xlink:href="bsac-20251231.xsd#bsac_IncomeTaxRelatingToDebtInstrumentsAtFvoci"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncomeTaxRelatingToDebtInstrumentsAtFvoci" xlink:to="lab_bsac_IncomeTaxRelatingToDebtInstrumentsAtFvoci" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalFinancialAssets_cb720767-5073-451c-9820-12eb2a3be0b5_terseLabel_en-US" xlink:label="lab_bsac_TotalFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total financial assets</link:label>
    <link:label id="lab_bsac_TotalFinancialAssets_label_en-US" xlink:label="lab_bsac_TotalFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Financial Assets</link:label>
    <link:label id="lab_bsac_TotalFinancialAssets_documentation_en-US" xlink:label="lab_bsac_TotalFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of total financial assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalFinancialAssets" xlink:href="bsac-20251231.xsd#bsac_TotalFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalFinancialAssets" xlink:to="lab_bsac_TotalFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFairValueOfDerivativeInstrumentsLineItems_7c9c964f-4910-4fe8-8e88-34aaddb62d40_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFairValueOfDerivativeInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value of Derivative Instruments [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueOfDerivativeInstrumentsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfFairValueOfDerivativeInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value of Derivative Instruments [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueOfDerivativeInstrumentsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFairValueOfDerivativeInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value of Derivative Instruments [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFairValueOfDerivativeInstrumentsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFairValueOfDerivativeInstrumentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFairValueOfDerivativeInstrumentsLineItems" xlink:to="lab_bsac_ScheduleOfFairValueOfDerivativeInstrumentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_July2025SeniorUFMember_019b35f7-4aa4-7a63-a15c-6cf519606e89_terseLabel_en-US" xlink:label="lab_bsac_July2025SeniorUFMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">July 2025, Senior, UF</link:label>
    <link:label id="lab_bsac_July2025SeniorUFMember_label_en-US" xlink:label="lab_bsac_July2025SeniorUFMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">July 2025, Senior, UF [Member]</link:label>
    <link:label id="lab_bsac_July2025SeniorUFMember_documentation_en-US" xlink:label="lab_bsac_July2025SeniorUFMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">July 2025, Senior, UF</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_July2025SeniorUFMember" xlink:href="bsac-20251231.xsd#bsac_July2025SeniorUFMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_July2025SeniorUFMember" xlink:to="lab_bsac_July2025SeniorUFMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent_087e607e-eebd-45d7-9cd9-132ef2bde571_terseLabel_en-US" xlink:label="lab_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Obligations under repurchase agreements</link:label>
    <link:label id="lab_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent_1f7bc497-edc3-4ac7-bb42-64590b189ba2_totalLabel_en-US" xlink:label="lab_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent_label_en-US" xlink:label="lab_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase agreements and cash collateral on securities lent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent" xlink:to="lab_ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_QuantitativeCriteriaCorporateLoansSME_ae05c9cc-be87-4d8f-8b29-1da42e7dbf2a_terseLabel_en-US" xlink:label="lab_bsac_QuantitativeCriteriaCorporateLoansSME" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Corporate loans, SME</link:label>
    <link:label id="lab_bsac_QuantitativeCriteriaCorporateLoansSME_label_en-US" xlink:label="lab_bsac_QuantitativeCriteriaCorporateLoansSME" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Quantitative Criteria Corporate Loans SME</link:label>
    <link:label id="lab_bsac_QuantitativeCriteriaCorporateLoansSME_documentation_en-US" xlink:label="lab_bsac_QuantitativeCriteriaCorporateLoansSME" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Quantitative Criteria Corporate Loans SME</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_QuantitativeCriteriaCorporateLoansSME" xlink:href="bsac-20251231.xsd#bsac_QuantitativeCriteriaCorporateLoansSME"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_QuantitativeCriteriaCorporateLoansSME" xlink:to="lab_bsac_QuantitativeCriteriaCorporateLoansSME" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AcceptanceOfLettersOfCredit_c29c3d35-c77c-416f-90a3-2049b7dcc202_terseLabel_en-US" xlink:label="lab_bsac_AcceptanceOfLettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acceptance of letters of credit</link:label>
    <link:label id="lab_bsac_AcceptanceOfLettersOfCredit_label_en-US" xlink:label="lab_bsac_AcceptanceOfLettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Acceptance Of Letters Of Credit</link:label>
    <link:label id="lab_bsac_AcceptanceOfLettersOfCredit_documentation_en-US" xlink:label="lab_bsac_AcceptanceOfLettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about acceptance of letters of credit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AcceptanceOfLettersOfCredit" xlink:href="bsac-20251231.xsd#bsac_AcceptanceOfLettersOfCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AcceptanceOfLettersOfCredit" xlink:to="lab_bsac_AcceptanceOfLettersOfCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LeverageIndicator_81a52cb0-44fe-4fb2-8b8e-943e0619e7ca_terseLabel_en-US" xlink:label="lab_bsac_LeverageIndicator" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leverage indicator (T1_I18/T1_I7)</link:label>
    <link:label id="lab_bsac_LeverageIndicator_label_en-US" xlink:label="lab_bsac_LeverageIndicator" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leverage Indicator</link:label>
    <link:label id="lab_bsac_LeverageIndicator_documentation_en-US" xlink:label="lab_bsac_LeverageIndicator" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Leverage indicator.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LeverageIndicator" xlink:href="bsac-20251231.xsd#bsac_LeverageIndicator"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LeverageIndicator" xlink:to="lab_bsac_LeverageIndicator" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_VariableIncomeInvestmentsMember_d59fa456-c93d-4970-9b1a-7bbfc658d9bc_terseLabel_en-US" xlink:label="lab_bsac_VariableIncomeInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable-income investments</link:label>
    <link:label id="lab_bsac_VariableIncomeInvestmentsMember_label_en-US" xlink:label="lab_bsac_VariableIncomeInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Income Investments [Member]</link:label>
    <link:label id="lab_bsac_VariableIncomeInvestmentsMember_documentation_en-US" xlink:label="lab_bsac_VariableIncomeInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Classes of financial instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_VariableIncomeInvestmentsMember" xlink:href="bsac-20251231.xsd#bsac_VariableIncomeInvestmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_VariableIncomeInvestmentsMember" xlink:to="lab_bsac_VariableIncomeInvestmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD2110242Member_019bf9a3-9a1f-78e8-9053-a4e9f8291f23_terseLabel_en-US" xlink:label="lab_bsac_BSTD2110242Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD211024</link:label>
    <link:label id="lab_bsac_BSTD2110242Member_label_en-US" xlink:label="lab_bsac_BSTD2110242Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD211024-2 [Member]</link:label>
    <link:label id="lab_bsac_BSTD2110242Member_documentation_en-US" xlink:label="lab_bsac_BSTD2110242Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD211024-2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD2110242Member" xlink:href="bsac-20251231.xsd#bsac_BSTD2110242Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD2110242Member" xlink:to="lab_bsac_BSTD2110242Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AccruedInterestAtEffectiveInterRate_9cdd2768-072a-4b0d-801f-57e9c93f3afd_terseLabel_en-US" xlink:label="lab_bsac_AccruedInterestAtEffectiveInterRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued interest at effective inter&#233;s rate</link:label>
    <link:label id="lab_bsac_AccruedInterestAtEffectiveInterRate_label_en-US" xlink:label="lab_bsac_AccruedInterestAtEffectiveInterRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Interest At Effective Inter Rate</link:label>
    <link:label id="lab_bsac_AccruedInterestAtEffectiveInterRate_documentation_en-US" xlink:label="lab_bsac_AccruedInterestAtEffectiveInterRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase in existing other provisions. [Refer: Other provisions]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AccruedInterestAtEffectiveInterRate" xlink:href="bsac-20251231.xsd#bsac_AccruedInterestAtEffectiveInterRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AccruedInterestAtEffectiveInterRate" xlink:to="lab_bsac_AccruedInterestAtEffectiveInterRate" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutThePlacementsOfPerpetualBondTableTextBlock_98c3add1-f77e-4118-a278-d6f6c072aa45_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutThePlacementsOfPerpetualBondTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Placement of Perpetual Bond</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutThePlacementsOfPerpetualBondTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutThePlacementsOfPerpetualBondTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About The Placements Of Perpetual Bond [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutThePlacementsOfPerpetualBondTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutThePlacementsOfPerpetualBondTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of placement of perpetual bond.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutThePlacementsOfPerpetualBondTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutThePlacementsOfPerpetualBondTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutThePlacementsOfPerpetualBondTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutThePlacementsOfPerpetualBondTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Long-TermFinancialManagementPortfolioAvailableMargin_dc3eb448-026c-4cd2-9bc1-ea40ac4ddabe_terseLabel_en-US" xlink:label="lab_bsac_Long-TermFinancialManagementPortfolioAvailableMargin" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available margin</link:label>
    <link:label id="lab_bsac_Long-TermFinancialManagementPortfolioAvailableMargin_label_en-US" xlink:label="lab_bsac_Long-TermFinancialManagementPortfolioAvailableMargin" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long- Term Financial Management Portfolio Available Margin</link:label>
    <link:label id="lab_bsac_Long-TermFinancialManagementPortfolioAvailableMargin_documentation_en-US" xlink:label="lab_bsac_Long-TermFinancialManagementPortfolioAvailableMargin" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of the contractual service margin.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Long-TermFinancialManagementPortfolioAvailableMargin" xlink:href="bsac-20251231.xsd#bsac_Long-TermFinancialManagementPortfolioAvailableMargin"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Long-TermFinancialManagementPortfolioAvailableMargin" xlink:to="lab_bsac_Long-TermFinancialManagementPortfolioAvailableMargin" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyAxis_f3971611-eb57-4b5f-a9f4-c3d2f0375fe4_terseLabel_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [axis]</link:label>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyAxis_label_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="lab_ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesTable_5675a275-23fc-45df-a26c-f4c14ac56c44_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of the Bank holds Portfolio of Financial Liabilities [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of the Bank holds Portfolio of Financial Liabilities [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of the Bank holds Portfolio of Financial Liabilities [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesTable" xlink:to="lab_bsac_ScheduleOfTheBankHoldsPortfolioOfFinancialLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsLineItems_1fae2a5a-6875-4c23-a02b-44ff03376a70_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Market Adjustment of Cash Flow Hedges Generated by Hedge Instruments [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Market Adjustment of Cash Flow Hedges Generated by Hedge Instruments [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Market Adjustment of Cash Flow Hedges Generated by Hedge Instruments [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsLineItems" xlink:to="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMortgageFinanceBondsLineItems_23ca6466-aa88-4fe3-9e59-d9ab8e62c785_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMortgageFinanceBondsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Mortgage Finance Bonds [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfMortgageFinanceBondsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfMortgageFinanceBondsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Mortgage Finance Bonds [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfMortgageFinanceBondsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMortgageFinanceBondsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Mortgage Finance Bonds [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMortgageFinanceBondsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMortgageFinanceBondsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfMortgageFinanceBondsLineItems" xlink:to="lab_bsac_ScheduleOfMortgageFinanceBondsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD1209231Member_019b9f4a-10a8-73b9-8acf-91fdcaa7d217_terseLabel_en-US" xlink:label="lab_bsac_BSTD1209231Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD120923</link:label>
    <link:label id="lab_bsac_BSTD1209231Member_label_en-US" xlink:label="lab_bsac_BSTD1209231Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD120923-1 [Member]</link:label>
    <link:label id="lab_bsac_BSTD1209231Member_documentation_en-US" xlink:label="lab_bsac_BSTD1209231Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD120923-1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD1209231Member" xlink:href="bsac-20251231.xsd#bsac_BSTD1209231Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD1209231Member" xlink:to="lab_bsac_BSTD1209231Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_c8ea51f9-ccea-47a3-ac1c-861e848b904b_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total Net commission income and expenses</link:label>
    <link:label id="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred tax expense (income) recognised in profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DeferredTaxExpenseIncomeRecognisedInProfitOrLoss"/>
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    <link:label id="lab_bsac_ProvisionsForLoanLossesForContingentLoansAndOthers_9323e48d-8ecf-4666-a530-748b8eebe196_terseLabel_en-US" xlink:label="lab_bsac_ProvisionsForLoanLossesForContingentLoansAndOthers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions for loan losses for contingent loans and others</link:label>
    <link:label id="lab_bsac_ProvisionsForLoanLossesForContingentLoansAndOthers_label_en-US" xlink:label="lab_bsac_ProvisionsForLoanLossesForContingentLoansAndOthers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions For Loan Losses For Contingent Loans And Others</link:label>
    <link:label id="lab_bsac_ProvisionsForLoanLossesForContingentLoansAndOthers_documentation_en-US" xlink:label="lab_bsac_ProvisionsForLoanLossesForContingentLoansAndOthers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of provisions for loan losses for contingent loans and others.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionsForLoanLossesForContingentLoansAndOthers" xlink:href="bsac-20251231.xsd#bsac_ProvisionsForLoanLossesForContingentLoansAndOthers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionsForLoanLossesForContingentLoansAndOthers" xlink:to="lab_bsac_ProvisionsForLoanLossesForContingentLoansAndOthers" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InvestmentsInAssociates_9d620792-253e-4326-bf4a-d97d561335a7_verboseLabel_en-US" xlink:label="lab_ifrs-full_InvestmentsInAssociates" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Investment value</link:label>
    <link:label id="lab_ifrs-full_InvestmentsInAssociates_label_en-US" xlink:label="lab_ifrs-full_InvestmentsInAssociates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments in associates reported in separate financial statements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InvestmentsInAssociates" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InvestmentsInAssociates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InvestmentsInAssociates" xlink:to="lab_ifrs-full_InvestmentsInAssociates" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Between1And3MonthMember_818e80e3-f2db-4e45-9221-9ee0e49a15a4_terseLabel_en-US" xlink:label="lab_bsac_Between1And3MonthMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Between 1 and 3 months</link:label>
    <link:label id="lab_bsac_Between1And3MonthMember_label_en-US" xlink:label="lab_bsac_Between1And3MonthMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Between1 And3 Month [Member]</link:label>
    <link:label id="lab_bsac_Between1And3MonthMember_documentation_en-US" xlink:label="lab_bsac_Between1And3MonthMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Between1 And3 Month</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Between1And3MonthMember" xlink:href="bsac-20251231.xsd#bsac_Between1And3MonthMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Between1And3MonthMember" xlink:to="lab_bsac_Between1And3MonthMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Goodwill_6a2e33f7-bae7-4b04-8231-89fddd520724_terseLabel_en-US" xlink:label="lab_ifrs-full_Goodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:label id="lab_ifrs-full_Goodwill_label_en-US" xlink:label="lab_ifrs-full_Goodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Goodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Goodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Goodwill" xlink:to="lab_ifrs-full_Goodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Derivatives_9574eba3-ecd2-4561-b05d-3aea4b785a63_negatedTerseLabel_en-US" xlink:label="lab_bsac_Derivatives" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Derivatives</link:label>
    <link:label id="lab_bsac_Derivatives_label_en-US" xlink:label="lab_bsac_Derivatives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives</link:label>
    <link:label id="lab_bsac_Derivatives_documentation_en-US" xlink:label="lab_bsac_Derivatives" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivatives of current assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Derivatives" xlink:href="bsac-20251231.xsd#bsac_Derivatives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Derivatives" xlink:to="lab_bsac_Derivatives" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsAndLiabilitiesLineItems_729bdcb9-833a-42e7-8605-ff5781cb093e_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets and Liabilities [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsAndLiabilitiesLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets and Liabilities [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsAndLiabilitiesLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets and Liabilities [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialAssetsAndLiabilitiesLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialAssetsAndLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialAssetsAndLiabilitiesLineItems" xlink:to="lab_bsac_ScheduleOfFinancialAssetsAndLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherLoansMember_62fe3084-7589-4a24-8675-79553127a0d0_terseLabel_en-US" xlink:label="lab_bsac_OtherLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other loans</link:label>
    <link:label id="lab_bsac_OtherLoansMember_label_en-US" xlink:label="lab_bsac_OtherLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Loans [Member]</link:label>
    <link:label id="lab_bsac_OtherLoansMember_documentation_en-US" xlink:label="lab_bsac_OtherLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherLoansMember" xlink:href="bsac-20251231.xsd#bsac_OtherLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherLoansMember" xlink:to="lab_bsac_OtherLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RightsForRepurchaseAgreementsAndSecuritiesLoansMember_019c2214-c3f3-77c3-ac1e-e26cc28fd823_terseLabel_en-US" xlink:label="lab_bsac_RightsForRepurchaseAgreementsAndSecuritiesLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rights for repurchase agreements and securities loans</link:label>
    <link:label id="lab_bsac_RightsForRepurchaseAgreementsAndSecuritiesLoansMember_label_en-US" xlink:label="lab_bsac_RightsForRepurchaseAgreementsAndSecuritiesLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rights For Repurchase Agreements And Securities Loans [Member]</link:label>
    <link:label id="lab_bsac_RightsForRepurchaseAgreementsAndSecuritiesLoansMember_documentation_en-US" xlink:label="lab_bsac_RightsForRepurchaseAgreementsAndSecuritiesLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rights For Repurchase Agreements And Securities Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RightsForRepurchaseAgreementsAndSecuritiesLoansMember" xlink:href="bsac-20251231.xsd#bsac_RightsForRepurchaseAgreementsAndSecuritiesLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RightsForRepurchaseAgreementsAndSecuritiesLoansMember" xlink:to="lab_bsac_RightsForRepurchaseAgreementsAndSecuritiesLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtFinancialInstrumentsFVTPLMember_845ec21e-0193-477b-bbcc-d670c528410a_terseLabel_en-US" xlink:label="lab_bsac_DebtFinancialInstrumentsFVTPLMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt financial instruments</link:label>
    <link:label id="lab_bsac_DebtFinancialInstrumentsFVTPLMember_label_en-US" xlink:label="lab_bsac_DebtFinancialInstrumentsFVTPLMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Financial Instruments FVTPL [Member]</link:label>
    <link:label id="lab_bsac_DebtFinancialInstrumentsFVTPLMember_documentation_en-US" xlink:label="lab_bsac_DebtFinancialInstrumentsFVTPLMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Financial Instruments FVTPL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtFinancialInstrumentsFVTPLMember" xlink:href="bsac-20251231.xsd#bsac_DebtFinancialInstrumentsFVTPLMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtFinancialInstrumentsFVTPLMember" xlink:to="lab_bsac_DebtFinancialInstrumentsFVTPLMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BansaSantanderS.A.ChileGroupLeasesAndOtherMonthlyMember_019b9f64-bbc0-7be6-b262-463cdaa8d1d0_terseLabel_en-US" xlink:label="lab_bsac_BansaSantanderS.A.ChileGroupLeasesAndOtherMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bansa Santander S.A.| Chile| Group| Leases and Other| Monthly</link:label>
    <link:label id="lab_bsac_BansaSantanderS.A.ChileGroupLeasesAndOtherMonthlyMember_label_en-US" xlink:label="lab_bsac_BansaSantanderS.A.ChileGroupLeasesAndOtherMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bansa Santander S.A.| Chile| Group| Leases and Other| Monthly [Member]</link:label>
    <link:label id="lab_bsac_BansaSantanderS.A.ChileGroupLeasesAndOtherMonthlyMember_documentation_en-US" xlink:label="lab_bsac_BansaSantanderS.A.ChileGroupLeasesAndOtherMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bansa Santander S.A.| Chile| Group| Leases and Other| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BansaSantanderS.A.ChileGroupLeasesAndOtherMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_BansaSantanderS.A.ChileGroupLeasesAndOtherMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BansaSantanderS.A.ChileGroupLeasesAndOtherMonthlyMember" xlink:to="lab_bsac_BansaSantanderS.A.ChileGroupLeasesAndOtherMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeFromExchangeAdjustmentAndHedgeAccountingOfForeignCurrency_d6180703-7c22-4222-8cc1-2806e7979afd_terseLabel_en-US" xlink:label="lab_bsac_NetIncomeFromExchangeAdjustmentAndHedgeAccountingOfForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income from exchange, adjustment and hedge accounting of foreign currency</link:label>
    <link:label id="lab_bsac_NetIncomeFromExchangeAdjustmentAndHedgeAccountingOfForeignCurrency_label_en-US" xlink:label="lab_bsac_NetIncomeFromExchangeAdjustmentAndHedgeAccountingOfForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income From Exchange Adjustment And Hedge Accounting Of Foreign Currency</link:label>
    <link:label id="lab_bsac_NetIncomeFromExchangeAdjustmentAndHedgeAccountingOfForeignCurrency_documentation_en-US" xlink:label="lab_bsac_NetIncomeFromExchangeAdjustmentAndHedgeAccountingOfForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Income From Exchange Adjustment And Hedge Accounting Of Foreign Currency</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeFromExchangeAdjustmentAndHedgeAccountingOfForeignCurrency" xlink:href="bsac-20251231.xsd#bsac_NetIncomeFromExchangeAdjustmentAndHedgeAccountingOfForeignCurrency"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomeFromExchangeAdjustmentAndHedgeAccountingOfForeignCurrency" xlink:to="lab_bsac_NetIncomeFromExchangeAdjustmentAndHedgeAccountingOfForeignCurrency" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_5e0545b2-f36e-4fd3-b519-34c241d2d64c_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other, amount</link:label>
    <link:label id="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other tax effects for reconciliation between accounting profit and tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:to="lab_ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsCompensatedInBalance_d977aa48-e5db-4138-8a81-8b9ff8827b16_terseLabel_en-US" xlink:label="lab_bsac_AssetsCompensatedInBalance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Compensated in balance</link:label>
    <link:label id="lab_bsac_AssetsCompensatedInBalance_label_en-US" xlink:label="lab_bsac_AssetsCompensatedInBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Compensated In Balance</link:label>
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    <link:label id="lab_bsac_ScheduleOfLoanAndAccountsReceivableWriteOffsTable_af85d3e1-d997-40ec-b693-3c55d7593786_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfLoanAndAccountsReceivableWriteOffsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loan and Accounts Receivable Write-Offs [Table]</link:label>
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    <link:label id="lab_bsac_IndustrialBankOfKoreaMember_019b31dc-0202-7836-a9de-0a2450370fa7_terseLabel_en-US" xlink:label="lab_bsac_IndustrialBankOfKoreaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Industrial Bank of Korea</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_bsac_IndustrialBankOfKoreaMember" xlink:href="bsac-20251231.xsd#bsac_IndustrialBankOfKoreaMember"/>
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    <link:label id="lab_bsac_FinancialAssetsAtAmortisedCostAbstract_95ae555d-4d63-4464-8fa1-1692678bdf1e_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsAtAmortisedCostAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtAmortisedCostAbstract_label_en-US" xlink:label="lab_bsac_FinancialAssetsAtAmortisedCostAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets at Amortised Cost [Abstract]</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtAmortisedCostAbstract_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsAtAmortisedCostAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Assets at Amortised Cost [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsAtAmortisedCostAbstract" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsAtAmortisedCostAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsAtAmortisedCostAbstract" xlink:to="lab_bsac_FinancialAssetsAtAmortisedCostAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionsReleased1_fb2cd27e-add3-4239-92c2-06803a8ab7b9_negatedTerseLabel_en-US" xlink:label="lab_bsac_ProvisionsReleased1" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Provisions released</link:label>
    <link:label id="lab_bsac_ProvisionsReleased1_label_en-US" xlink:label="lab_bsac_ProvisionsReleased1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions Released1</link:label>
    <link:label id="lab_bsac_ProvisionsReleased1_documentation_en-US" xlink:label="lab_bsac_ProvisionsReleased1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provisions released 1.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionsReleased1" xlink:href="bsac-20251231.xsd#bsac_ProvisionsReleased1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionsReleased1" xlink:to="lab_bsac_ProvisionsReleased1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EffectiveEquityIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements_f223180b-c5d7-4780-97b8-ad578e61eba5_terseLabel_en-US" xlink:label="lab_bsac_EffectiveEquityIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective equity indicator that the bank must meet, considering the minimum requirements</link:label>
    <link:label id="lab_bsac_EffectiveEquityIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements_label_en-US" xlink:label="lab_bsac_EffectiveEquityIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Equity Indicator That The Bank Must Meet Considering The Minimum Requirements</link:label>
    <link:label id="lab_bsac_EffectiveEquityIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements_documentation_en-US" xlink:label="lab_bsac_EffectiveEquityIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of effective equity indicator that the bank must meet, considering the minimum requirements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EffectiveEquityIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:href="bsac-20251231.xsd#bsac_EffectiveEquityIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EffectiveEquityIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:to="lab_bsac_EffectiveEquityIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfRedesignatedFinancialAssetsAndLiabilitiesExplanatory_e612ef68-9f8f-4f77-907b-2fc294a8e1f4_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRedesignatedFinancialAssetsAndLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of the Maturities of Assets and Liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfRedesignatedFinancialAssetsAndLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRedesignatedFinancialAssetsAndLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of redesignated financial assets and liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRedesignatedFinancialAssetsAndLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfRedesignatedFinancialAssetsAndLiabilitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRedesignatedFinancialAssetsAndLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfRedesignatedFinancialAssetsAndLiabilitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionForMandatoryDividendsMember_3549411d-087a-46f2-bce5-700d6230f69e_terseLabel_en-US" xlink:label="lab_bsac_ProvisionForMandatoryDividendsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for mandatory dividends</link:label>
    <link:label id="lab_bsac_ProvisionForMandatoryDividendsMember_label_en-US" xlink:label="lab_bsac_ProvisionForMandatoryDividendsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision For Mandatory Dividends [Member]</link:label>
    <link:label id="lab_bsac_ProvisionForMandatoryDividendsMember_documentation_en-US" xlink:label="lab_bsac_ProvisionForMandatoryDividendsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for provision for mandatory dividends.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionForMandatoryDividendsMember" xlink:href="bsac-20251231.xsd#bsac_ProvisionForMandatoryDividendsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionForMandatoryDividendsMember" xlink:to="lab_bsac_ProvisionForMandatoryDividendsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfNetLossesFromOperationalRisksTable_d47c4e29-523a-4e38-9fde-3a189d996df6_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfNetLossesFromOperationalRisksTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Net Losses from Operational Risks [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfNetLossesFromOperationalRisksTable_label_en-US" xlink:label="lab_bsac_ScheduleOfNetLossesFromOperationalRisksTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Net Losses from Operational Risks [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfNetLossesFromOperationalRisksTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfNetLossesFromOperationalRisksTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Net Losses from Operational Risks [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfNetLossesFromOperationalRisksTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfNetLossesFromOperationalRisksTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfNetLossesFromOperationalRisksTable" xlink:to="lab_bsac_ScheduleOfNetLossesFromOperationalRisksTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensation_ed9c0a83-0afa-4ed6-a7a6-505aeb1f1142_totalLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensation_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensation" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensation" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SecuritiesSoldUnderRepurchaseAgreementsMember_2d15937a-2690-4877-be01-34752fc562a1_terseLabel_en-US" xlink:label="lab_bsac_SecuritiesSoldUnderRepurchaseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">of which sold under repurchase agreement</link:label>
    <link:label id="lab_bsac_SecuritiesSoldUnderRepurchaseAgreementsMember_label_en-US" xlink:label="lab_bsac_SecuritiesSoldUnderRepurchaseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Securities Sold Under Repurchase Agreements [Member]</link:label>
    <link:label id="lab_bsac_SecuritiesSoldUnderRepurchaseAgreementsMember_documentation_en-US" xlink:label="lab_bsac_SecuritiesSoldUnderRepurchaseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for securities sold under repurchase agreements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SecuritiesSoldUnderRepurchaseAgreementsMember" xlink:href="bsac-20251231.xsd#bsac_SecuritiesSoldUnderRepurchaseAgreementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SecuritiesSoldUnderRepurchaseAgreementsMember" xlink:to="lab_bsac_SecuritiesSoldUnderRepurchaseAgreementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LiabilityRemainingFinancialInstrumentsNotSubjectToNettingAgreements_af58e5a7-35da-4cca-8cda-4f165e54bb10_terseLabel_en-US" xlink:label="lab_bsac_LiabilityRemainingFinancialInstrumentsNotSubjectToNettingAgreements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remaining financial instruments not linked, nor subject to netting agreements</link:label>
    <link:label id="lab_bsac_LiabilityRemainingFinancialInstrumentsNotSubjectToNettingAgreements_label_en-US" xlink:label="lab_bsac_LiabilityRemainingFinancialInstrumentsNotSubjectToNettingAgreements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liability Remaining Financial Instruments Not Subject To Netting Agreements</link:label>
    <link:label id="lab_bsac_LiabilityRemainingFinancialInstrumentsNotSubjectToNettingAgreements_documentation_en-US" xlink:label="lab_bsac_LiabilityRemainingFinancialInstrumentsNotSubjectToNettingAgreements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Remaining financial instruments not subject to netting agreements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LiabilityRemainingFinancialInstrumentsNotSubjectToNettingAgreements" xlink:href="bsac-20251231.xsd#bsac_LiabilityRemainingFinancialInstrumentsNotSubjectToNettingAgreements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LiabilityRemainingFinancialInstrumentsNotSubjectToNettingAgreements" xlink:to="lab_bsac_LiabilityRemainingFinancialInstrumentsNotSubjectToNettingAgreements" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherAdjustmentsForNoncashItems_01be6a71-761a-46f7-bb68-2e2e52dbb398_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other adjustments</link:label>
    <link:label id="lab_ifrs-full_OtherAdjustmentsForNoncashItems_label_en-US" xlink:label="lab_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other adjustments for non-cash items</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherAdjustmentsForNoncashItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:to="lab_ifrs-full_OtherAdjustmentsForNoncashItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EURMember_8c95348e-e954-4894-ac87-f22d4cde85b7_terseLabel_en-US" xlink:label="lab_bsac_EURMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander bonds in EUR</link:label>
    <link:label id="lab_bsac_EURMember_label_en-US" xlink:label="lab_bsac_EURMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EUR [Member]</link:label>
    <link:label id="lab_bsac_EURMember_documentation_en-US" xlink:label="lab_bsac_EURMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">EUR</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EURMember" xlink:href="bsac-20251231.xsd#bsac_EURMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EURMember" xlink:to="lab_bsac_EURMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeLineItems_a89cb2f0-bdff-485a-8bf7-e48bcd8092eb_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other Comprehensive Income to Income [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Other Comprehensive Income to Income [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Other Comprehensive Income to Income [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfOtherComprehensiveIncomeToIncomeLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeLineItems" xlink:to="lab_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherChileanFinancialInstrumentsMember_c3a819ba-69b6-4da6-a679-83493cab20e5_terseLabel_en-US" xlink:label="lab_bsac_OtherChileanFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Chilean financial instruments</link:label>
    <link:label id="lab_bsac_OtherChileanFinancialInstrumentsMember_label_en-US" xlink:label="lab_bsac_OtherChileanFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Chilean Financial Instruments [Member]</link:label>
    <link:label id="lab_bsac_OtherChileanFinancialInstrumentsMember_documentation_en-US" xlink:label="lab_bsac_OtherChileanFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Chilean Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherChileanFinancialInstrumentsMember" xlink:href="bsac-20251231.xsd#bsac_OtherChileanFinancialInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherChileanFinancialInstrumentsMember" xlink:to="lab_bsac_OtherChileanFinancialInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain_96fe8e80-f628-409c-99e1-81cd8fe7da74_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial liabilities [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of financial liabilities [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="lab_ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfAllowancesSensibilityTableTextBlock_7e62e7e7-8984-419f-a4ab-56696e20928f_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAllowancesSensibilityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Allowance Sensibility</link:label>
    <link:label id="lab_bsac_ScheduleOfAllowancesSensibilityTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfAllowancesSensibilityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Allowances Sensibility [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfAllowancesSensibilityTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAllowancesSensibilityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure for allowance sensibility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAllowancesSensibilityTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAllowancesSensibilityTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAllowancesSensibilityTableTextBlock" xlink:to="lab_bsac_ScheduleOfAllowancesSensibilityTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansAndAccountReceivableFromCustomersMember_598bff72-40e8-4e8c-b5de-419c0e0e8a4d_terseLabel_en-US" xlink:label="lab_bsac_LoansAndAccountReceivableFromCustomersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and account receivable from customers</link:label>
    <link:label id="lab_bsac_LoansAndAccountReceivableFromCustomersMember_label_en-US" xlink:label="lab_bsac_LoansAndAccountReceivableFromCustomersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Account Receivable From Customers [Member]</link:label>
    <link:label id="lab_bsac_LoansAndAccountReceivableFromCustomersMember_documentation_en-US" xlink:label="lab_bsac_LoansAndAccountReceivableFromCustomersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans And Account Receivable From Customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansAndAccountReceivableFromCustomersMember" xlink:href="bsac-20251231.xsd#bsac_LoansAndAccountReceivableFromCustomersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansAndAccountReceivableFromCustomersMember" xlink:to="lab_bsac_LoansAndAccountReceivableFromCustomersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NumberOfShares_e9f672ab-118f-4114-82dd-bf1f2fee101c_terseLabel_en-US" xlink:label="lab_bsac_NumberOfShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares (in shares)</link:label>
    <link:label id="lab_bsac_NumberOfShares_label_en-US" xlink:label="lab_bsac_NumberOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Shares</link:label>
    <link:label id="lab_bsac_NumberOfShares_documentation_en-US" xlink:label="lab_bsac_NumberOfShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about number of shares.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NumberOfShares" xlink:href="bsac-20251231.xsd#bsac_NumberOfShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NumberOfShares" xlink:to="lab_bsac_NumberOfShares" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdditionalCapitalRequiredForTheEvaluationOfTheAdequacyOfEffectiveCapitalPillar2_7380887b-6a77-4015-ae3c-9313344dcc05_terseLabel_en-US" xlink:label="lab_bsac_AdditionalCapitalRequiredForTheEvaluationOfTheAdequacyOfEffectiveCapitalPillar2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional capital required for the evaluation of the adequacy of effective capital (Pillar 2)</link:label>
    <link:label id="lab_bsac_AdditionalCapitalRequiredForTheEvaluationOfTheAdequacyOfEffectiveCapitalPillar2_label_en-US" xlink:label="lab_bsac_AdditionalCapitalRequiredForTheEvaluationOfTheAdequacyOfEffectiveCapitalPillar2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Capital Required For The Evaluation Of The Adequacy Of Effective Capital Pillar2</link:label>
    <link:label id="lab_bsac_AdditionalCapitalRequiredForTheEvaluationOfTheAdequacyOfEffectiveCapitalPillar2_documentation_en-US" xlink:label="lab_bsac_AdditionalCapitalRequiredForTheEvaluationOfTheAdequacyOfEffectiveCapitalPillar2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additional Capital Required For The Evaluation Of The Adequacy Of Effective Capital Pillar2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdditionalCapitalRequiredForTheEvaluationOfTheAdequacyOfEffectiveCapitalPillar2" xlink:href="bsac-20251231.xsd#bsac_AdditionalCapitalRequiredForTheEvaluationOfTheAdequacyOfEffectiveCapitalPillar2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdditionalCapitalRequiredForTheEvaluationOfTheAdequacyOfEffectiveCapitalPillar2" xlink:to="lab_bsac_AdditionalCapitalRequiredForTheEvaluationOfTheAdequacyOfEffectiveCapitalPillar2" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsRecoveredFromLeasingForSale_2d227c37-d5fc-4638-997c-c895d21a213a_terseLabel_en-US" xlink:label="lab_bsac_AssetsRecoveredFromLeasingForSale" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets available to be granted under the financial leasing agreements</link:label>
    <link:label id="lab_bsac_AssetsRecoveredFromLeasingForSale_label_en-US" xlink:label="lab_bsac_AssetsRecoveredFromLeasingForSale" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Recovered From Leasing For Sale</link:label>
    <link:label id="lab_bsac_AssetsRecoveredFromLeasingForSale_documentation_en-US" xlink:label="lab_bsac_AssetsRecoveredFromLeasingForSale" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">It refers to the amount relating to leased assets recovered for sale as on balance sheet date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsRecoveredFromLeasingForSale" xlink:href="bsac-20251231.xsd#bsac_AssetsRecoveredFromLeasingForSale"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsRecoveredFromLeasingForSale" xlink:to="lab_bsac_AssetsRecoveredFromLeasingForSale" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GrossAllowanceAccountForCreditLossesOfFinancialAssets_fcdc21a3-03dd-4741-9ed4-412b2b776fc3_negatedLabel_en-US" xlink:label="lab_bsac_GrossAllowanceAccountForCreditLossesOfFinancialAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Allowance for loan losses</link:label>
    <link:label id="lab_bsac_GrossAllowanceAccountForCreditLossesOfFinancialAssets_label_en-US" xlink:label="lab_bsac_GrossAllowanceAccountForCreditLossesOfFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross Allowance Account For Credit Losses Of Financial Assets</link:label>
    <link:label id="lab_bsac_GrossAllowanceAccountForCreditLossesOfFinancialAssets_documentation_en-US" xlink:label="lab_bsac_GrossAllowanceAccountForCreditLossesOfFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to gross allowance account for credit losses of financial asset.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GrossAllowanceAccountForCreditLossesOfFinancialAssets" xlink:href="bsac-20251231.xsd#bsac_GrossAllowanceAccountForCreditLossesOfFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GrossAllowanceAccountForCreditLossesOfFinancialAssets" xlink:to="lab_bsac_GrossAllowanceAccountForCreditLossesOfFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MortgageBondsInUF_65497040-66c1-4cf8-88be-6aa0a9366571_terseLabel_en-US" xlink:label="lab_bsac_MortgageBondsInUF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage bonds in UF</link:label>
    <link:label id="lab_bsac_MortgageBondsInUF_label_en-US" xlink:label="lab_bsac_MortgageBondsInUF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Bonds In UF</link:label>
    <link:label id="lab_bsac_MortgageBondsInUF_documentation_en-US" xlink:label="lab_bsac_MortgageBondsInUF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage bonds in UF.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MortgageBondsInUF" xlink:href="bsac-20251231.xsd#bsac_MortgageBondsInUF"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MortgageBondsInUF" xlink:to="lab_bsac_MortgageBondsInUF" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_08c6c9c6-fb0f-4955-b31e-e44d0b226935_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Useful Lives for Tangible Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_305ccc98-8964-4979-8516-13e4c0923ceb_verboseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Composition of property, plant, and equipment</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidRefund_b3ebccd7-7028-40d8-84fb-637beff8f1d9_negatedLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxesPaidRefund" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Provision on assets received in lieu of payment</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxesPaidRefund_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxesPaidRefund" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income taxes paid (refund)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxesPaidRefund" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxesPaidRefund"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxesPaidRefund" xlink:to="lab_ifrs-full_IncomeTaxesPaidRefund" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLoss_725af82b-edab-4eca-a7ea-eb441b02698b_totalLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">NET INCOME FOR THE YEAR</link:label>
    <link:label id="lab_ifrs-full_ProfitLoss_5c092d42-7c36-48e8-91a7-44288fbcbd3f_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NET INCOME FOR THE YEAR</link:label>
    <link:label id="lab_ifrs-full_ProfitLoss_label_en-US" xlink:label="lab_ifrs-full_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLoss" xlink:to="lab_ifrs-full_ProfitLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_From1DayToLessThan3MonthsMember_b7d5a765-92cd-47c1-8363-2ff8661ae867_terseLabel_en-US" xlink:label="lab_bsac_From1DayToLessThan3MonthsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">From 1 day to less than 3 months</link:label>
    <link:label id="lab_bsac_From1DayToLessThan3MonthsMember_label_en-US" xlink:label="lab_bsac_From1DayToLessThan3MonthsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">From1 Day To Less Than3 Months [Member]</link:label>
    <link:label id="lab_bsac_From1DayToLessThan3MonthsMember_documentation_en-US" xlink:label="lab_bsac_From1DayToLessThan3MonthsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">From1 Day To Less Than3 Months</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_From1DayToLessThan3MonthsMember" xlink:href="bsac-20251231.xsd#bsac_From1DayToLessThan3MonthsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_From1DayToLessThan3MonthsMember" xlink:to="lab_bsac_From1DayToLessThan3MonthsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BankingArrangementsClassifiedAsCashEquivalents_6c4aa38e-34d7-4017-a9ce-8d3d5e073d66_terseLabel_en-US" xlink:label="lab_ifrs-full_BankingArrangementsClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantee deposits (margin accounts)</link:label>
    <link:label id="lab_ifrs-full_BankingArrangementsClassifiedAsCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_BankingArrangementsClassifiedAsCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other banking arrangements, classified as cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BankingArrangementsClassifiedAsCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BankingArrangementsClassifiedAsCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BankingArrangementsClassifiedAsCashEquivalents" xlink:to="lab_ifrs-full_BankingArrangementsClassifiedAsCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransactionsWithOtherDomesticEntitiesMember_ca679772-6558-42d9-9ba0-5465d1302987_terseLabel_en-US" xlink:label="lab_bsac_TransactionsWithOtherDomesticEntitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Chilean entities transactions</link:label>
    <link:label id="lab_bsac_TransactionsWithOtherDomesticEntitiesMember_label_en-US" xlink:label="lab_bsac_TransactionsWithOtherDomesticEntitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transactions With Other Domestic Entities [Member]</link:label>
    <link:label id="lab_bsac_TransactionsWithOtherDomesticEntitiesMember_documentation_en-US" xlink:label="lab_bsac_TransactionsWithOtherDomesticEntitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transactions With Other Domestic Entities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransactionsWithOtherDomesticEntitiesMember" xlink:href="bsac-20251231.xsd#bsac_TransactionsWithOtherDomesticEntitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransactionsWithOtherDomesticEntitiesMember" xlink:to="lab_bsac_TransactionsWithOtherDomesticEntitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SegmentReportingEBITDAThreshold_4841ba12-b955-417f-8eea-1d62394a3be7_terseLabel_en-US" xlink:label="lab_bsac_SegmentReportingEBITDAThreshold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment reporting, EBITDA threshold</link:label>
    <link:label id="lab_bsac_SegmentReportingEBITDAThreshold_label_en-US" xlink:label="lab_bsac_SegmentReportingEBITDAThreshold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting, EBITDA Threshold</link:label>
    <link:label id="lab_bsac_SegmentReportingEBITDAThreshold_documentation_en-US" xlink:label="lab_bsac_SegmentReportingEBITDAThreshold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Segment Reporting, EBITDA Threshold</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SegmentReportingEBITDAThreshold" xlink:href="bsac-20251231.xsd#bsac_SegmentReportingEBITDAThreshold"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SegmentReportingEBITDAThreshold" xlink:to="lab_bsac_SegmentReportingEBITDAThreshold" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FavorableScenarioTwoMember_413dbd93-8af9-4b1b-a6b8-6981eb5c2612_terseLabel_en-US" xlink:label="lab_bsac_FavorableScenarioTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Favorable scenario 2</link:label>
    <link:label id="lab_bsac_FavorableScenarioTwoMember_label_en-US" xlink:label="lab_bsac_FavorableScenarioTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Favorable Scenario Two [Member]</link:label>
    <link:label id="lab_bsac_FavorableScenarioTwoMember_documentation_en-US" xlink:label="lab_bsac_FavorableScenarioTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for favorable scenario two.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FavorableScenarioTwoMember" xlink:href="bsac-20251231.xsd#bsac_FavorableScenarioTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FavorableScenarioTwoMember" xlink:to="lab_bsac_FavorableScenarioTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalSeniorBonds_0e773a67-2f51-4757-bb70-e91e150814a7_terseLabel_en-US" xlink:label="lab_bsac_TotalSeniorBonds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total senior bonds</link:label>
    <link:label id="lab_bsac_TotalSeniorBonds_label_en-US" xlink:label="lab_bsac_TotalSeniorBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Senior Bonds</link:label>
    <link:label id="lab_bsac_TotalSeniorBonds_documentation_en-US" xlink:label="lab_bsac_TotalSeniorBonds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total senior bonds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalSeniorBonds" xlink:href="bsac-20251231.xsd#bsac_TotalSeniorBonds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalSeniorBonds" xlink:to="lab_bsac_TotalSeniorBonds" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfAssociatesTable_88a289fd-27fc-4fbe-bbb2-57ada7038b68_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAssociatesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Associates [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssociatesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfAssociatesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Associates [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssociatesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAssociatesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Associates [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAssociatesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAssociatesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAssociatesTable" xlink:to="lab_bsac_ScheduleOfAssociatesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherInstallationsMember_ae435dd6-8e6a-4bc3-bda8-6f305be295f0_terseLabel_en-US" xlink:label="lab_bsac_OtherInstallationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other installations</link:label>
    <link:label id="lab_bsac_OtherInstallationsMember_label_en-US" xlink:label="lab_bsac_OtherInstallationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Installations [Member]</link:label>
    <link:label id="lab_bsac_OtherInstallationsMember_documentation_en-US" xlink:label="lab_bsac_OtherInstallationsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Installations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherInstallationsMember" xlink:href="bsac-20251231.xsd#bsac_OtherInstallationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherInstallationsMember" xlink:to="lab_bsac_OtherInstallationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfSensitivityAnalysisExplanatoryTableTextBlock_e5fb35c3-0fee-4edc-a46b-b1be6a201e3f_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfSensitivityAnalysisExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Market Risk Financial Management Portfolio</link:label>
    <link:label id="lab_bsac_DisclosureOfSensitivityAnalysisExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfSensitivityAnalysisExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Sensitivity Analysis Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfSensitivityAnalysisExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfSensitivityAnalysisExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about sensitivity analysis.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfSensitivityAnalysisExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfSensitivityAnalysisExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfSensitivityAnalysisExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfSensitivityAnalysisExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherMember_2182d330-005d-4907-8010-8c0993e2789b_terseLabel_en-US" xlink:label="lab_bsac_OtherMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_bsac_OtherMember_label_en-US" xlink:label="lab_bsac_OtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other [Member]</link:label>
    <link:label id="lab_bsac_OtherMember_documentation_en-US" xlink:label="lab_bsac_OtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherMember" xlink:href="bsac-20251231.xsd#bsac_OtherMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherMember" xlink:to="lab_bsac_OtherMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfSubsidiaryToBeSoldThatWasVotedOnByTheBoard_019c539c-f808-7995-9860-f99bdefbaddb_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfSubsidiaryToBeSoldThatWasVotedOnByTheBoard" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of shares of subsidiary to be sold, that was voted on by the board</link:label>
    <link:label id="lab_bsac_PercentageOfSubsidiaryToBeSoldThatWasVotedOnByTheBoard_label_en-US" xlink:label="lab_bsac_PercentageOfSubsidiaryToBeSoldThatWasVotedOnByTheBoard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Subsidiary To Be Sold, That Was Voted On By The Board</link:label>
    <link:label id="lab_bsac_PercentageOfSubsidiaryToBeSoldThatWasVotedOnByTheBoard_documentation_en-US" xlink:label="lab_bsac_PercentageOfSubsidiaryToBeSoldThatWasVotedOnByTheBoard" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Subsidiary To Be Sold, That Was Voted On By The Board</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfSubsidiaryToBeSoldThatWasVotedOnByTheBoard" xlink:href="bsac-20251231.xsd#bsac_PercentageOfSubsidiaryToBeSoldThatWasVotedOnByTheBoard"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfSubsidiaryToBeSoldThatWasVotedOnByTheBoard" xlink:to="lab_bsac_PercentageOfSubsidiaryToBeSoldThatWasVotedOnByTheBoard" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_C4Member_66930944-a16b-43ff-85cf-3ea317bf93ae_terseLabel_en-US" xlink:label="lab_bsac_C4Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">C4</link:label>
    <link:label id="lab_bsac_C4Member_label_en-US" xlink:label="lab_bsac_C4Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">C4 [Member]</link:label>
    <link:label id="lab_bsac_C4Member_documentation_en-US" xlink:label="lab_bsac_C4Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">C4</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_C4Member" xlink:href="bsac-20251231.xsd#bsac_C4Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_C4Member" xlink:to="lab_bsac_C4Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteOff_553277d9-8b9c-4b65-93c6-d5cb146a1c8d_negatedTerseLabel_en-US" xlink:label="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteOff" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Assets derecognised or matured (excluding write-off)</link:label>
    <link:label id="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteOff_label_en-US" xlink:label="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteOff" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Derecognized Or Matured, Excluding Write-off</link:label>
    <link:label id="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteOff_documentation_en-US" xlink:label="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteOff" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Assets Derecognised Or Matured Excluding Write Offs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsDerecognizedOrMaturedExcludingWriteOff" xlink:href="bsac-20251231.xsd#bsac_AssetsDerecognizedOrMaturedExcludingWriteOff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsDerecognizedOrMaturedExcludingWriteOff" xlink:to="lab_bsac_AssetsDerecognizedOrMaturedExcludingWriteOff" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings_d9755f0f-888e-4715-b13a-15fcb184c3ce_verboseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Transfer of retained earnings to reserves</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) through transfer between revaluation surplus and retained earnings, equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransferBetweenRevaluationReserveAndRetainedEarnings" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BasisSpreadOnVariableRateChangeInNominalRates_4751f9b0-56cc-4301-b6f5-3e647196962e_terseLabel_en-US" xlink:label="lab_bsac_BasisSpreadOnVariableRateChangeInNominalRates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis spread on variable rate change in nominal rates</link:label>
    <link:label id="lab_bsac_BasisSpreadOnVariableRateChangeInNominalRates_label_en-US" xlink:label="lab_bsac_BasisSpreadOnVariableRateChangeInNominalRates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basis Spread On Variable Rate Change In Nominal Rates</link:label>
    <link:label id="lab_bsac_BasisSpreadOnVariableRateChangeInNominalRates_documentation_en-US" xlink:label="lab_bsac_BasisSpreadOnVariableRateChangeInNominalRates" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Basis Spread On Variable Rate Change In Nominal Rates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BasisSpreadOnVariableRateChangeInNominalRates" xlink:href="bsac-20251231.xsd#bsac_BasisSpreadOnVariableRateChangeInNominalRates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BasisSpreadOnVariableRateChangeInNominalRates" xlink:to="lab_bsac_BasisSpreadOnVariableRateChangeInNominalRates" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Guarantees_3e092a12-34b2-4ef2-9364-f0ea8f23080b_terseLabel_en-US" xlink:label="lab_bsac_Guarantees" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantees</link:label>
    <link:label id="lab_bsac_Guarantees_label_en-US" xlink:label="lab_bsac_Guarantees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantees</link:label>
    <link:label id="lab_bsac_Guarantees_documentation_en-US" xlink:label="lab_bsac_Guarantees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Guarantees</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Guarantees" xlink:href="bsac-20251231.xsd#bsac_Guarantees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Guarantees" xlink:to="lab_bsac_Guarantees" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD1209233Member_019bf98b-4099-7c62-b0db-666b448bbaee_terseLabel_en-US" xlink:label="lab_bsac_BSTD1209233Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD120923</link:label>
    <link:label id="lab_bsac_BSTD1209233Member_label_en-US" xlink:label="lab_bsac_BSTD1209233Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD120923-3 [Member]</link:label>
    <link:label id="lab_bsac_BSTD1209233Member_documentation_en-US" xlink:label="lab_bsac_BSTD1209233Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD120923-3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD1209233Member" xlink:href="bsac-20251231.xsd#bsac_BSTD1209233Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD1209233Member" xlink:to="lab_bsac_BSTD1209233Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RightOfUseAssetsGrossBalance_2ffce976-7aa2-417c-89df-78822d0463fb_terseLabel_en-US" xlink:label="lab_bsac_RightOfUseAssetsGrossBalance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross balance</link:label>
    <link:label id="lab_bsac_RightOfUseAssetsGrossBalance_label_en-US" xlink:label="lab_bsac_RightOfUseAssetsGrossBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Right Of Use Assets Gross Balance</link:label>
    <link:label id="lab_bsac_RightOfUseAssetsGrossBalance_documentation_en-US" xlink:label="lab_bsac_RightOfUseAssetsGrossBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Right of use assets gross balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RightOfUseAssetsGrossBalance" xlink:href="bsac-20251231.xsd#bsac_RightOfUseAssetsGrossBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RightOfUseAssetsGrossBalance" xlink:to="lab_bsac_RightOfUseAssetsGrossBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingAbstract_71d303d5-18dc-4dfb-bde5-0ac324bfc217_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of risk management strategy related to hedge accounting [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of risk management strategy related to hedge accounting [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingAbstract" xlink:to="lab_ifrs-full_DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LiabilitiesAbstract0_36fcd058-0871-4d7e-9612-dd5b7287fe37_terseLabel_en-US" xlink:label="lab_bsac_LiabilitiesAbstract0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:label id="lab_bsac_LiabilitiesAbstract0_label_en-US" xlink:label="lab_bsac_LiabilitiesAbstract0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities Abstract0</link:label>
    <link:label id="lab_bsac_LiabilitiesAbstract0_documentation_en-US" xlink:label="lab_bsac_LiabilitiesAbstract0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Liabilities Abstract0</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LiabilitiesAbstract0" xlink:href="bsac-20251231.xsd#bsac_LiabilitiesAbstract0"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LiabilitiesAbstract0" xlink:to="lab_bsac_LiabilitiesAbstract0" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScenariosDomain_b2058f94-f484-4496-b4e8-4898e2d4c355_terseLabel_en-US" xlink:label="lab_bsac_ScenariosDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Scenarios [Domain]</link:label>
    <link:label id="lab_bsac_ScenariosDomain_label_en-US" xlink:label="lab_bsac_ScenariosDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenarios [Domain]</link:label>
    <link:label id="lab_bsac_ScenariosDomain_documentation_en-US" xlink:label="lab_bsac_ScenariosDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Scenarios</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScenariosDomain" xlink:href="bsac-20251231.xsd#bsac_ScenariosDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScenariosDomain" xlink:to="lab_bsac_ScenariosDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_WriteOffsForOperatingRisksExpenses_3cbdc4a3-ddac-4d6d-8c67-8e62891a3371_negatedLabel_en-US" xlink:label="lab_bsac_WriteOffsForOperatingRisksExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Operating risk charge-offs and provision</link:label>
    <link:label id="lab_bsac_WriteOffsForOperatingRisksExpenses_label_en-US" xlink:label="lab_bsac_WriteOffsForOperatingRisksExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Write Offs For Operating Risks Expenses</link:label>
    <link:label id="lab_bsac_WriteOffsForOperatingRisksExpenses_documentation_en-US" xlink:label="lab_bsac_WriteOffsForOperatingRisksExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of expense arising from write-offs for operating risks.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_WriteOffsForOperatingRisksExpenses" xlink:href="bsac-20251231.xsd#bsac_WriteOffsForOperatingRisksExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_WriteOffsForOperatingRisksExpenses" xlink:to="lab_bsac_WriteOffsForOperatingRisksExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherFinancialInstruments_8828f6df-157e-419b-b70f-a75ac4338e07_terseLabel_en-US" xlink:label="lab_bsac_OtherFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other financial instruments</link:label>
    <link:label id="lab_bsac_OtherFinancialInstruments_label_en-US" xlink:label="lab_bsac_OtherFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Financial Instruments</link:label>
    <link:label id="lab_bsac_OtherFinancialInstruments_documentation_en-US" xlink:label="lab_bsac_OtherFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of debt instruments held by the entity that it does not separately disclose in the same statement or note. [Refer: Debt instruments held]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherFinancialInstruments" xlink:href="bsac-20251231.xsd#bsac_OtherFinancialInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherFinancialInstruments" xlink:to="lab_bsac_OtherFinancialInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DerivativeFinancialAssets_660001eb-b65a-4ab9-ade8-bbda7069f1bf_terseLabel_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial derivative contracts</link:label>
    <link:label id="lab_ifrs-full_DerivativeFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_DerivativeFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DerivativeFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DerivativeFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DerivativeFinancialAssets" xlink:to="lab_ifrs-full_DerivativeFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentAccountingStandard_bef0d7c8-abaf-43b3-b493-d4fe7b041154_terseLabel_en-US" xlink:label="lab_dei_DocumentAccountingStandard" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Accounting Standard</link:label>
    <link:label id="lab_dei_DocumentAccountingStandard_label_en-US" xlink:label="lab_dei_DocumentAccountingStandard" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Accounting Standard</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAccountingStandard" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentAccountingStandard"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentAccountingStandard" xlink:to="lab_dei_DocumentAccountingStandard" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BonoUSDSOFRDaiwaMember_019bf9c3-d1f2-7d7d-8cc7-528a687427d7_terseLabel_en-US" xlink:label="lab_bsac_BonoUSDSOFRDaiwaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bono USD SOFR Daiwa</link:label>
    <link:label id="lab_bsac_BonoUSDSOFRDaiwaMember_label_en-US" xlink:label="lab_bsac_BonoUSDSOFRDaiwaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bono USD SOFR Daiwa [Member]</link:label>
    <link:label id="lab_bsac_BonoUSDSOFRDaiwaMember_documentation_en-US" xlink:label="lab_bsac_BonoUSDSOFRDaiwaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bono USD SOFR Daiwa</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BonoUSDSOFRDaiwaMember" xlink:href="bsac-20251231.xsd#bsac_BonoUSDSOFRDaiwaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BonoUSDSOFRDaiwaMember" xlink:to="lab_bsac_BonoUSDSOFRDaiwaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsGeneratedByTheIntermediationOfFinancialInstruments_18bf8602-a8f6-447a-b3b5-0547daccdb30_terseLabel_en-US" xlink:label="lab_bsac_AssetsGeneratedByTheIntermediationOfFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets generated by the intermediation of financial instruments</link:label>
    <link:label id="lab_bsac_AssetsGeneratedByTheIntermediationOfFinancialInstruments_label_en-US" xlink:label="lab_bsac_AssetsGeneratedByTheIntermediationOfFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Generated By The Intermediation Of Financial Instruments</link:label>
    <link:label id="lab_bsac_AssetsGeneratedByTheIntermediationOfFinancialInstruments_documentation_en-US" xlink:label="lab_bsac_AssetsGeneratedByTheIntermediationOfFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of assets generated by the intermediation of financial instruments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsGeneratedByTheIntermediationOfFinancialInstruments" xlink:href="bsac-20251231.xsd#bsac_AssetsGeneratedByTheIntermediationOfFinancialInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsGeneratedByTheIntermediationOfFinancialInstruments" xlink:to="lab_bsac_AssetsGeneratedByTheIntermediationOfFinancialInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LiabilitiesAbstract5_5ee74938-e1b5-4e5e-b5bd-00564f588c94_terseLabel_en-US" xlink:label="lab_bsac_LiabilitiesAbstract5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:label id="lab_bsac_LiabilitiesAbstract5_label_en-US" xlink:label="lab_bsac_LiabilitiesAbstract5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities Abstract5</link:label>
    <link:label id="lab_bsac_LiabilitiesAbstract5_documentation_en-US" xlink:label="lab_bsac_LiabilitiesAbstract5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Liabilities Abstract5</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LiabilitiesAbstract5" xlink:href="bsac-20251231.xsd#bsac_LiabilitiesAbstract5"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LiabilitiesAbstract5" xlink:to="lab_bsac_LiabilitiesAbstract5" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransactionsWithRelatedPartiesDetailsScheduleofLoanActivitytoRelatedPartiesLineItems_008d7c40-3884-4099-acee-7b52ea953b9f_terseLabel_en-US" xlink:label="lab_bsac_TransactionsWithRelatedPartiesDetailsScheduleofLoanActivitytoRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loan Activity to Related Parties [Line Items]</link:label>
    <link:label id="lab_bsac_TransactionsWithRelatedPartiesDetailsScheduleofLoanActivitytoRelatedPartiesLineItems_label_en-US" xlink:label="lab_bsac_TransactionsWithRelatedPartiesDetailsScheduleofLoanActivitytoRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transactions With Related Parties (Details) - Schedule of Loan Activity to Related Parties [Line Items]</link:label>
    <link:label id="lab_bsac_TransactionsWithRelatedPartiesDetailsScheduleofLoanActivitytoRelatedPartiesLineItems_documentation_en-US" xlink:label="lab_bsac_TransactionsWithRelatedPartiesDetailsScheduleofLoanActivitytoRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transactions With Related Parties (Details) - Schedule of Loan Activity to Related Parties [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransactionsWithRelatedPartiesDetailsScheduleofLoanActivitytoRelatedPartiesLineItems" xlink:href="bsac-20251231.xsd#bsac_TransactionsWithRelatedPartiesDetailsScheduleofLoanActivitytoRelatedPartiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransactionsWithRelatedPartiesDetailsScheduleofLoanActivitytoRelatedPartiesLineItems" xlink:to="lab_bsac_TransactionsWithRelatedPartiesDetailsScheduleofLoanActivitytoRelatedPartiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD1806241Member_019b9f49-1ddd-7b14-a182-af097718b1b6_terseLabel_en-US" xlink:label="lab_bsac_BSTD1806241Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD180624</link:label>
    <link:label id="lab_bsac_BSTD1806241Member_label_en-US" xlink:label="lab_bsac_BSTD1806241Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD180624-1 [Member]</link:label>
    <link:label id="lab_bsac_BSTD1806241Member_documentation_en-US" xlink:label="lab_bsac_BSTD1806241Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD180624-1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD1806241Member" xlink:href="bsac-20251231.xsd#bsac_BSTD1806241Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD1806241Member" xlink:to="lab_bsac_BSTD1806241Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill_98ee5d33-bd0a-4039-aa8a-c67151d5f851_terseLabel_en-US" xlink:label="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisitions</link:label>
    <link:label id="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill_label_en-US" xlink:label="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Acquisitions through business combinations, intangible assets and goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill" xlink:to="lab_ifrs-full_AcquisitionsThroughBusinessCombinationsIntangibleAssetsAndGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LiabilityNetAmountPresentedInBalance_b824fac6-0bed-4a52-9064-5644e17256f4_terseLabel_en-US" xlink:label="lab_bsac_LiabilityNetAmountPresentedInBalance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net amount presented in balance</link:label>
    <link:label id="lab_bsac_LiabilityNetAmountPresentedInBalance_label_en-US" xlink:label="lab_bsac_LiabilityNetAmountPresentedInBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liability Net Amount Presented In Balance</link:label>
    <link:label id="lab_bsac_LiabilityNetAmountPresentedInBalance_documentation_en-US" xlink:label="lab_bsac_LiabilityNetAmountPresentedInBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Liability Net Amount Presented In Balance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LiabilityNetAmountPresentedInBalance" xlink:href="bsac-20251231.xsd#bsac_LiabilityNetAmountPresentedInBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LiabilityNetAmountPresentedInBalance" xlink:to="lab_bsac_LiabilityNetAmountPresentedInBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderAsesoriasFinancierasLimitadaMember_31d2a5a5-71f8-4354-9458-b4ecd14d0864_terseLabel_en-US" xlink:label="lab_bsac_SantanderAsesoriasFinancierasLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Asesorias Financieras Limitada</link:label>
    <link:label id="lab_bsac_SantanderAsesoriasFinancierasLimitadaMember_label_en-US" xlink:label="lab_bsac_SantanderAsesoriasFinancierasLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Asesorias Financieras Limitada [Member]</link:label>
    <link:label id="lab_bsac_SantanderAsesoriasFinancierasLimitadaMember_documentation_en-US" xlink:label="lab_bsac_SantanderAsesoriasFinancierasLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Asesorias Financieras Limitada</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderAsesoriasFinancierasLimitadaMember" xlink:href="bsac-20251231.xsd#bsac_SantanderAsesoriasFinancierasLimitadaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderAsesoriasFinancierasLimitadaMember" xlink:to="lab_bsac_SantanderAsesoriasFinancierasLimitadaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfLifeTimeOfProductsTableTextBlock_b80c65d0-8cee-4e7a-b8fb-e19bf497a85f_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfLifeTimeOfProductsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Residual Maturity Over Measured that have not Expired</link:label>
    <link:label id="lab_bsac_DisclosureOfLifeTimeOfProductsTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfLifeTimeOfProductsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Life Time Of Products [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfLifeTimeOfProductsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfLifeTimeOfProductsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of life time of products.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfLifeTimeOfProductsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfLifeTimeOfProductsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfLifeTimeOfProductsTableTextBlock" xlink:to="lab_bsac_DisclosureOfLifeTimeOfProductsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedLoss_aa905ec7-6d78-4b0c-a42e-17a7bef88316_negatedTerseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedLoss" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Unrealized loss</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedLoss_label_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets At Fair Value Through Other Comprehensive Income Accumulated Unrealized Loss</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedLoss_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Assets At Fair Value Through Other Comprehensive Income Accumulated Unrealized Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedLoss" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedLoss" xlink:to="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAccumulatedUnrealizedLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DebtSecurities_0b9255e4-c7af-4409-93ae-781b2a7638d8_terseLabel_en-US" xlink:label="lab_ifrs-full_DebtSecurities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issued debt instruments</link:label>
    <link:label id="lab_ifrs-full_DebtSecurities_55e2e196-17e0-4906-b3cf-0a94df5fb354_totalLabel_en-US" xlink:label="lab_ifrs-full_DebtSecurities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Issued debt instruments</link:label>
    <link:label id="lab_ifrs-full_DebtSecurities_label_en-US" xlink:label="lab_ifrs-full_DebtSecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt instruments issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DebtSecurities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DebtSecurities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DebtSecurities" xlink:to="lab_ifrs-full_DebtSecurities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterbankServices_5ab2612f-b759-4743-b183-ce6754158813_negatedTerseLabel_en-US" xlink:label="lab_bsac_InterbankServices" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Interbank services</link:label>
    <link:label id="lab_bsac_InterbankServices_label_en-US" xlink:label="lab_bsac_InterbankServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interbank Services</link:label>
    <link:label id="lab_bsac_InterbankServices_documentation_en-US" xlink:label="lab_bsac_InterbankServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interbank services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterbankServices" xlink:href="bsac-20251231.xsd#bsac_InterbankServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterbankServices" xlink:to="lab_bsac_InterbankServices" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset_9119097a-4ab8-43b6-b4e8-3957d33674b1_terseLabel_en-US" xlink:label="lab_ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Past service cost</link:label>
    <link:label id="lab_ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in net defined benefit liability (asset) resulting from past service cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_PastServiceCostNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChinaMerchantsBankMember_c50d993a-2e64-4f9d-abc8-ca48edf6b3f5_terseLabel_en-US" xlink:label="lab_bsac_ChinaMerchantsBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">China Merchants Bank</link:label>
    <link:label id="lab_bsac_ChinaMerchantsBankMember_label_en-US" xlink:label="lab_bsac_ChinaMerchantsBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">China Merchants Bank [Member]</link:label>
    <link:label id="lab_bsac_ChinaMerchantsBankMember_documentation_en-US" xlink:label="lab_bsac_ChinaMerchantsBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">China Merchants Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChinaMerchantsBankMember" xlink:href="bsac-20251231.xsd#bsac_ChinaMerchantsBankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChinaMerchantsBankMember" xlink:to="lab_bsac_ChinaMerchantsBankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DueWithin1YearMember_faf74915-3de5-4adc-b4a9-551905b47404_terseLabel_en-US" xlink:label="lab_bsac_DueWithin1YearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due within 1 year</link:label>
    <link:label id="lab_bsac_DueWithin1YearMember_label_en-US" xlink:label="lab_bsac_DueWithin1YearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due Within1 Year [Member]</link:label>
    <link:label id="lab_bsac_DueWithin1YearMember_documentation_en-US" xlink:label="lab_bsac_DueWithin1YearMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Due Within1 Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DueWithin1YearMember" xlink:href="bsac-20251231.xsd#bsac_DueWithin1YearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DueWithin1YearMember" xlink:to="lab_bsac_DueWithin1YearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfRiskConcentrationTable_104b8410-fecd-4c1f-917a-837d91fff814_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfRiskConcentrationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Risk Concentration [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfRiskConcentrationTable_label_en-US" xlink:label="lab_bsac_ScheduleOfRiskConcentrationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Risk Concentration [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfRiskConcentrationTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfRiskConcentrationTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Risk Concentration [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfRiskConcentrationTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfRiskConcentrationTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfRiskConcentrationTable" xlink:to="lab_bsac_ScheduleOfRiskConcentrationTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SoftwareDevelopmentOneMember_87d21eb5-c9f3-469a-82ac-27224adc2d97_terseLabel_en-US" xlink:label="lab_bsac_SoftwareDevelopmentOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Software development</link:label>
    <link:label id="lab_bsac_SoftwareDevelopmentOneMember_label_en-US" xlink:label="lab_bsac_SoftwareDevelopmentOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Software Development One [Member]</link:label>
    <link:label id="lab_bsac_SoftwareDevelopmentOneMember_documentation_en-US" xlink:label="lab_bsac_SoftwareDevelopmentOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Software Development One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SoftwareDevelopmentOneMember" xlink:href="bsac-20251231.xsd#bsac_SoftwareDevelopmentOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SoftwareDevelopmentOneMember" xlink:to="lab_bsac_SoftwareDevelopmentOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_QuantitativeCriteriaMortgages_2953286f-0d9b-439e-b1b2-ca2acebe8615_terseLabel_en-US" xlink:label="lab_bsac_QuantitativeCriteriaMortgages" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other commercial, Mortgages</link:label>
    <link:label id="lab_bsac_QuantitativeCriteriaMortgages_label_en-US" xlink:label="lab_bsac_QuantitativeCriteriaMortgages" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Quantitative Criteria Mortgages</link:label>
    <link:label id="lab_bsac_QuantitativeCriteriaMortgages_documentation_en-US" xlink:label="lab_bsac_QuantitativeCriteriaMortgages" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other commercial, Mortgages.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_QuantitativeCriteriaMortgages" xlink:href="bsac-20251231.xsd#bsac_QuantitativeCriteriaMortgages"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_QuantitativeCriteriaMortgages" xlink:to="lab_bsac_QuantitativeCriteriaMortgages" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SubordinatedBondsMember_aff5ed10-3c7f-4c38-b34c-610317bc52ab_terseLabel_en-US" xlink:label="lab_bsac_SubordinatedBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subordinated bonds</link:label>
    <link:label id="lab_bsac_SubordinatedBondsMember_label_en-US" xlink:label="lab_bsac_SubordinatedBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subordinated Bonds [Member]</link:label>
    <link:label id="lab_bsac_SubordinatedBondsMember_documentation_en-US" xlink:label="lab_bsac_SubordinatedBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Subordinated Bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubordinatedBondsMember" xlink:href="bsac-20251231.xsd#bsac_SubordinatedBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubordinatedBondsMember" xlink:to="lab_bsac_SubordinatedBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderUKPlcMember_019b31da-cfc6-75de-835c-05d4c63766f7_terseLabel_en-US" xlink:label="lab_bsac_SantanderUKPlcMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander UK plc</link:label>
    <link:label id="lab_bsac_SantanderUKPlcMember_label_en-US" xlink:label="lab_bsac_SantanderUKPlcMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander UK Plc [Member]</link:label>
    <link:label id="lab_bsac_SantanderUKPlcMember_documentation_en-US" xlink:label="lab_bsac_SantanderUKPlcMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander UK Plc</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderUKPlcMember" xlink:href="bsac-20251231.xsd#bsac_SantanderUKPlcMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderUKPlcMember" xlink:to="lab_bsac_SantanderUKPlcMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_dd5c9df1-f7d6-4aa5-8f4c-5b17b4babcf0_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, amortisation and impairment loss (reversal of impairment loss) recognised in profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_DepreciationAmortisationAndImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesOffsetAmount_c977d2e4-b081-46ee-8d21-aa30daafde0a_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesOffsetAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Off-setting</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesOffsetAmount_label_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesOffsetAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Offset Amount</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesOffsetAmount_documentation_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesOffsetAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities, Offset Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxLiabilitiesOffsetAmount" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxLiabilitiesOffsetAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxLiabilitiesOffsetAmount" xlink:to="lab_bsac_DeferredTaxLiabilitiesOffsetAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommercialLoanOneMember_43e7f2b3-99b3-4c72-89cc-ff0286f02828_terseLabel_en-US" xlink:label="lab_bsac_CommercialLoanOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial Loans</link:label>
    <link:label id="lab_bsac_CommercialLoanOneMember_label_en-US" xlink:label="lab_bsac_CommercialLoanOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial Loan One [Member]</link:label>
    <link:label id="lab_bsac_CommercialLoanOneMember_documentation_en-US" xlink:label="lab_bsac_CommercialLoanOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercial Loan One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommercialLoanOneMember" xlink:href="bsac-20251231.xsd#bsac_CommercialLoanOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommercialLoanOneMember" xlink:to="lab_bsac_CommercialLoanOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MiddleMarket1Member_cad59abc-cd3a-4903-a039-a3d32c3121f1_terseLabel_en-US" xlink:label="lab_bsac_MiddleMarket1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Middle-market</link:label>
    <link:label id="lab_bsac_MiddleMarket1Member_label_en-US" xlink:label="lab_bsac_MiddleMarket1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Middle Market1 [Member]</link:label>
    <link:label id="lab_bsac_MiddleMarket1Member_documentation_en-US" xlink:label="lab_bsac_MiddleMarket1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Middle Market1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MiddleMarket1Member" xlink:href="bsac-20251231.xsd#bsac_MiddleMarket1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MiddleMarket1Member" xlink:to="lab_bsac_MiddleMarket1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutPostemploymentBenefitsExplanatoryTableTextBlock_c8612527-6a6f-4969-aae0-f1cafac34883_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutPostemploymentBenefitsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Post-Employment Benefits</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutPostemploymentBenefitsExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutPostemploymentBenefitsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Postemployment Benefits Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutPostemploymentBenefitsExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutPostemploymentBenefitsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about post employment benefits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutPostemploymentBenefitsExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutPostemploymentBenefitsExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutPostemploymentBenefitsExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutPostemploymentBenefitsExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_019c2268-b0a6-7ed7-94d5-e17585f3a399_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of non-adjusting events after reporting period [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:to="lab_ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AT1BondMember_361b7f8e-c07f-4e88-985a-80e356aa4ad7_terseLabel_en-US" xlink:label="lab_bsac_AT1BondMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AT1 Bond</link:label>
    <link:label id="lab_bsac_AT1BondMember_label_en-US" xlink:label="lab_bsac_AT1BondMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AT1 Bond [Member]</link:label>
    <link:label id="lab_bsac_AT1BondMember_documentation_en-US" xlink:label="lab_bsac_AT1BondMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">AT1 Bond</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AT1BondMember" xlink:href="bsac-20251231.xsd#bsac_AT1BondMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AT1BondMember" xlink:to="lab_bsac_AT1BondMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsExplanatory_5950c6fd-821f-4ee1-b832-8423e4965182_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">INTANGIBLE ASSETS</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfIntangibleAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfIntangibleAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of intangible assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfIntangibleAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfIntangibleAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfIntangibleAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfAllowanceSensibilityTable_2b38db80-94eb-4ba6-b395-ffab5440485e_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAllowanceSensibilityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Allowance Sensibility [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfAllowanceSensibilityTable_label_en-US" xlink:label="lab_bsac_ScheduleOfAllowanceSensibilityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Allowance Sensibility [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfAllowanceSensibilityTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAllowanceSensibilityTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Allowance Sensibility [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAllowanceSensibilityTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAllowanceSensibilityTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAllowanceSensibilityTable" xlink:to="lab_bsac_ScheduleOfAllowanceSensibilityTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TelecommunicationsMember_20c59fc9-df79-4f4e-a00e-dfa5f5c46d68_terseLabel_en-US" xlink:label="lab_bsac_TelecommunicationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telecommunications</link:label>
    <link:label id="lab_bsac_TelecommunicationsMember_label_en-US" xlink:label="lab_bsac_TelecommunicationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telecommunications [Member]</link:label>
    <link:label id="lab_bsac_TelecommunicationsMember_documentation_en-US" xlink:label="lab_bsac_TelecommunicationsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Telecommunications</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TelecommunicationsMember" xlink:href="bsac-20251231.xsd#bsac_TelecommunicationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TelecommunicationsMember" xlink:to="lab_bsac_TelecommunicationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFairValueAndTheCorrespondingECLLineItems_79d444a8-4fc8-4457-b113-dca174514718_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFairValueAndTheCorrespondingECLLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value and the Corresponding ECL [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueAndTheCorrespondingECLLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfFairValueAndTheCorrespondingECLLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value and the Corresponding ECL [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueAndTheCorrespondingECLLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFairValueAndTheCorrespondingECLLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value and the Corresponding ECL [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFairValueAndTheCorrespondingECLLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFairValueAndTheCorrespondingECLLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFairValueAndTheCorrespondingECLLineItems" xlink:to="lab_bsac_ScheduleOfFairValueAndTheCorrespondingECLLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AllocatedToReserves_862bcc04-acef-4999-b525-dafb7a5680ec_terseLabel_en-US" xlink:label="lab_bsac_AllocatedToReserves" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allocated to reserves</link:label>
    <link:label id="lab_bsac_AllocatedToReserves_label_en-US" xlink:label="lab_bsac_AllocatedToReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allocated To Reserves</link:label>
    <link:label id="lab_bsac_AllocatedToReserves_documentation_en-US" xlink:label="lab_bsac_AllocatedToReserves" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about allocated to reserves.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AllocatedToReserves" xlink:href="bsac-20251231.xsd#bsac_AllocatedToReserves"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AllocatedToReserves" xlink:to="lab_bsac_AllocatedToReserves" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_3ebf5fa6-5fa3-4ca6-928a-6b51742735c9_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through OCI</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through other comprehensive income, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ForestMember_d163d066-9804-4328-8e7a-a608a1476332_terseLabel_en-US" xlink:label="lab_bsac_ForestMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forest</link:label>
    <link:label id="lab_bsac_ForestMember_label_en-US" xlink:label="lab_bsac_ForestMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forest [Member]</link:label>
    <link:label id="lab_bsac_ForestMember_documentation_en-US" xlink:label="lab_bsac_ForestMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information about industry sector.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ForestMember" xlink:href="bsac-20251231.xsd#bsac_ForestMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ForestMember" xlink:to="lab_bsac_ForestMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MaintenanceAndRepairOfPropertyPlantAndEquipment_ab0774f8-5a71-4885-bcbd-3fcb862eaf72_negatedTerseLabel_en-US" xlink:label="lab_bsac_MaintenanceAndRepairOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Maintenance and repair of property, plant and equipment</link:label>
    <link:label id="lab_bsac_MaintenanceAndRepairOfPropertyPlantAndEquipment_label_en-US" xlink:label="lab_bsac_MaintenanceAndRepairOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maintenance And Repair Of Property Plant And Equipment</link:label>
    <link:label id="lab_bsac_MaintenanceAndRepairOfPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_bsac_MaintenanceAndRepairOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about maintenance and repair of property, plant and equipment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MaintenanceAndRepairOfPropertyPlantAndEquipment" xlink:href="bsac-20251231.xsd#bsac_MaintenanceAndRepairOfPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MaintenanceAndRepairOfPropertyPlantAndEquipment" xlink:to="lab_bsac_MaintenanceAndRepairOfPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AverageCostToSalePercentage_9668447a-8b5e-41ce-a3c8-0cb2cac5fb45_terseLabel_en-US" xlink:label="lab_bsac_AverageCostToSalePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average cost to sale, percentage</link:label>
    <link:label id="lab_bsac_AverageCostToSalePercentage_label_en-US" xlink:label="lab_bsac_AverageCostToSalePercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average Cost To Sale Percentage</link:label>
    <link:label id="lab_bsac_AverageCostToSalePercentage_documentation_en-US" xlink:label="lab_bsac_AverageCostToSalePercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Average Cost To Sale Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AverageCostToSalePercentage" xlink:href="bsac-20251231.xsd#bsac_AverageCostToSalePercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AverageCostToSalePercentage" xlink:to="lab_bsac_AverageCostToSalePercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfModifiedLoansLineItems_ce74642f-6edf-4790-bdf5-8b009e438427_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfModifiedLoansLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Modified Loans [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfModifiedLoansLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfModifiedLoansLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Modified Loans [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfModifiedLoansLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfModifiedLoansLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Modified Loans [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfModifiedLoansLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfModifiedLoansLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfModifiedLoansLineItems" xlink:to="lab_bsac_ScheduleOfModifiedLoansLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherLongTermFinancialObligationsShortTermPortion_6aef953a-bb86-4a4a-a3f2-53ab6519d059_terseLabel_en-US" xlink:label="lab_bsac_OtherLongTermFinancialObligationsShortTermPortion" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other long-term financial obligations, short-term portion</link:label>
    <link:label id="lab_bsac_OtherLongTermFinancialObligationsShortTermPortion_label_en-US" xlink:label="lab_bsac_OtherLongTermFinancialObligationsShortTermPortion" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Long Term Financial Obligations Short Term Portion</link:label>
    <link:label id="lab_bsac_OtherLongTermFinancialObligationsShortTermPortion_documentation_en-US" xlink:label="lab_bsac_OtherLongTermFinancialObligationsShortTermPortion" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about other long term financial obligations short term portion.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherLongTermFinancialObligationsShortTermPortion" xlink:href="bsac-20251231.xsd#bsac_OtherLongTermFinancialObligationsShortTermPortion"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherLongTermFinancialObligationsShortTermPortion" xlink:to="lab_bsac_OtherLongTermFinancialObligationsShortTermPortion" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfReportingSegmentLineItems_3ae691fb-fe68-4212-83ed-afd2bde69273_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfReportingSegmentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Reporting Segment [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfReportingSegmentLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfReportingSegmentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Reporting Segment [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfReportingSegmentLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfReportingSegmentLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Reporting Segment [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfReportingSegmentLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfReportingSegmentLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfReportingSegmentLineItems" xlink:to="lab_bsac_ScheduleOfReportingSegmentLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CorporatesMember_872b585d-67b3-464c-b74d-bde5fe5c6b07_terseLabel_en-US" xlink:label="lab_bsac_CorporatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Corporate</link:label>
    <link:label id="lab_bsac_CorporatesMember_label_en-US" xlink:label="lab_bsac_CorporatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporates [Member]</link:label>
    <link:label id="lab_bsac_CorporatesMember_documentation_en-US" xlink:label="lab_bsac_CorporatesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Corporates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CorporatesMember" xlink:href="bsac-20251231.xsd#bsac_CorporatesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CorporatesMember" xlink:to="lab_bsac_CorporatesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansFromBank_66c654d0-458f-4d8b-9453-e12ab8c979bc_terseLabel_en-US" xlink:label="lab_bsac_LoansFromBank" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans from Chilean Central Bank</link:label>
    <link:label id="lab_bsac_LoansFromBank_label_en-US" xlink:label="lab_bsac_LoansFromBank" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans From Bank</link:label>
    <link:label id="lab_bsac_LoansFromBank_documentation_en-US" xlink:label="lab_bsac_LoansFromBank" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans from Bank.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansFromBank" xlink:href="bsac-20251231.xsd#bsac_LoansFromBank"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansFromBank" xlink:to="lab_bsac_LoansFromBank" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherCurrentFinancialLiabilities_03f07db6-9414-4da3-8503-88d38a2d1e75_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities at amortised cost</link:label>
    <link:label id="lab_ifrs-full_OtherCurrentFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherCurrentFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other current financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherCurrentFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentFinancialLiabilities" xlink:to="lab_ifrs-full_OtherCurrentFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PersonalGuarantee_267d5bc0-9cc2-4f4d-9edf-b710b67f8758_terseLabel_en-US" xlink:label="lab_bsac_PersonalGuarantee" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Personal guarantees</link:label>
    <link:label id="lab_bsac_PersonalGuarantee_label_en-US" xlink:label="lab_bsac_PersonalGuarantee" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Personal Guarantee</link:label>
    <link:label id="lab_bsac_PersonalGuarantee_documentation_en-US" xlink:label="lab_bsac_PersonalGuarantee" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of personal guarantees.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PersonalGuarantee" xlink:href="bsac-20251231.xsd#bsac_PersonalGuarantee"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PersonalGuarantee" xlink:to="lab_bsac_PersonalGuarantee" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsExplanatory_2c41bef2-bacc-4b66-9528-8773f49e37db_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of the Bank holds Portfolio of Financial Liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of information about terms and conditions of hedging instruments and how they affect future cash flows [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInformationAboutTermsAndConditionsOfHedgingInstrumentsAndHowTheyAffectFutureCashFlowsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTableTextBlock_84598ef5-7f9f-44f9-9996-cbdfd09acac3_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Market Adjustment of Cash Flow Hedges Generated by Hedge Instruments</link:label>
    <link:label id="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Market Adjustment Of Cash Flow Hedges Generated By Hedge Instruments [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Market Adjustment Of Cash Flow Hedges Generated By Hedge Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTableTextBlock" xlink:to="lab_bsac_ScheduleOfMarketAdjustmentOfCashFlowHedgesGeneratedByHedgeInstrumentsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageDistributed_d7f5a2b2-11a5-4f9c-90ed-608789fe9263_terseLabel_en-US" xlink:label="lab_bsac_PercentageDistributed" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage distributed</link:label>
    <link:label id="lab_bsac_PercentageDistributed_label_en-US" xlink:label="lab_bsac_PercentageDistributed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Distributed</link:label>
    <link:label id="lab_bsac_PercentageDistributed_documentation_en-US" xlink:label="lab_bsac_PercentageDistributed" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about percentage distributed.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageDistributed" xlink:href="bsac-20251231.xsd#bsac_PercentageDistributed"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageDistributed" xlink:to="lab_bsac_PercentageDistributed" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredIncome1_1ec99810-ef08-465a-b106-e30cd683ad3c_terseLabel_en-US" xlink:label="lab_bsac_DeferredIncome1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income</link:label>
    <link:label id="lab_bsac_DeferredIncome1_label_en-US" xlink:label="lab_bsac_DeferredIncome1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Income1</link:label>
    <link:label id="lab_bsac_DeferredIncome1_documentation_en-US" xlink:label="lab_bsac_DeferredIncome1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of deferred income excluding obligation to transfer product and service to customer for which consideration has been received or is receivable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredIncome1" xlink:href="bsac-20251231.xsd#bsac_DeferredIncome1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredIncome1" xlink:to="lab_bsac_DeferredIncome1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD2308223Member_019bf98c-9d47-73f8-9bac-2deca6c47cb8_terseLabel_en-US" xlink:label="lab_bsac_BSTD2308223Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD230822</link:label>
    <link:label id="lab_bsac_BSTD2308223Member_label_en-US" xlink:label="lab_bsac_BSTD2308223Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD230822-3 [Member]</link:label>
    <link:label id="lab_bsac_BSTD2308223Member_documentation_en-US" xlink:label="lab_bsac_BSTD2308223Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD230822-3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD2308223Member" xlink:href="bsac-20251231.xsd#bsac_BSTD2308223Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD2308223Member" xlink:to="lab_bsac_BSTD2308223Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfCashFlowReceivableAndPayable_4699dff3-ebcb-4a20-994f-186b5d0d3bc9_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfCashFlowReceivableAndPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">% used</link:label>
    <link:label id="lab_bsac_PercentageOfCashFlowReceivableAndPayable_label_en-US" xlink:label="lab_bsac_PercentageOfCashFlowReceivableAndPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Cash Flow Receivable And Payable</link:label>
    <link:label id="lab_bsac_PercentageOfCashFlowReceivableAndPayable_documentation_en-US" xlink:label="lab_bsac_PercentageOfCashFlowReceivableAndPayable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of cash flow receivable and payable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfCashFlowReceivableAndPayable" xlink:href="bsac-20251231.xsd#bsac_PercentageOfCashFlowReceivableAndPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfCashFlowReceivableAndPayable" xlink:to="lab_bsac_PercentageOfCashFlowReceivableAndPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfPlacementOfSeniorBondsLineItems_68d2d4a7-727d-453d-9344-0e4bddd48194_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfPlacementOfSeniorBondsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Placement of Senior Bonds [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfPlacementOfSeniorBondsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfPlacementOfSeniorBondsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Placement of Senior Bonds [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfPlacementOfSeniorBondsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfPlacementOfSeniorBondsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Placement of Senior Bonds [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfPlacementOfSeniorBondsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfPlacementOfSeniorBondsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfPlacementOfSeniorBondsLineItems" xlink:to="lab_bsac_ScheduleOfPlacementOfSeniorBondsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeTable_48ffe3b2-4941-400e-b0b0-c9eba3c9ff06_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other Comprehensive Income to Income [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeTable_label_en-US" xlink:label="lab_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Other Comprehensive Income to Income [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Other Comprehensive Income to Income [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfOtherComprehensiveIncomeToIncomeTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeTable" xlink:to="lab_bsac_ScheduleOfOtherComprehensiveIncomeToIncomeTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentForMarkToMarketOfTradingInvestments_488b930f-0e07-485c-85c4-c7115dea3854_negatedLabel_en-US" xlink:label="lab_bsac_AdjustmentForMarkToMarketOfTradingInvestments" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Mark to market of trading investments</link:label>
    <link:label id="lab_bsac_AdjustmentForMarkToMarketOfTradingInvestments_label_en-US" xlink:label="lab_bsac_AdjustmentForMarkToMarketOfTradingInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment For Mark To Market Of Trading Investments</link:label>
    <link:label id="lab_bsac_AdjustmentForMarkToMarketOfTradingInvestments_documentation_en-US" xlink:label="lab_bsac_AdjustmentForMarkToMarketOfTradingInvestments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustment for mark to market of trading investments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentForMarkToMarketOfTradingInvestments" xlink:href="bsac-20251231.xsd#bsac_AdjustmentForMarkToMarketOfTradingInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentForMarkToMarketOfTradingInvestments" xlink:to="lab_bsac_AdjustmentForMarkToMarketOfTradingInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RegulatoryCapitalPercentage_c47a87d8-da53-4074-8f7b-5e17b4d1934b_terseLabel_en-US" xlink:label="lab_bsac_RegulatoryCapitalPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory capital percentage</link:label>
    <link:label id="lab_bsac_RegulatoryCapitalPercentage_label_en-US" xlink:label="lab_bsac_RegulatoryCapitalPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulatory Capital Percentage</link:label>
    <link:label id="lab_bsac_RegulatoryCapitalPercentage_documentation_en-US" xlink:label="lab_bsac_RegulatoryCapitalPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Regulatory capital percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RegulatoryCapitalPercentage" xlink:href="bsac-20251231.xsd#bsac_RegulatoryCapitalPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RegulatoryCapitalPercentage" xlink:to="lab_bsac_RegulatoryCapitalPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutDebtsClassifiedExplanatoryTableTextBlock_ed380507-2aa4-48a6-ba12-d1c5cd56b9c0_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutDebtsClassifiedExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Debts Classified</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutDebtsClassifiedExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutDebtsClassifiedExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Debts Classified Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutDebtsClassifiedExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutDebtsClassifiedExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about debts classified.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutDebtsClassifiedExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutDebtsClassifiedExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutDebtsClassifiedExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutDebtsClassifiedExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_e8939b0a-a231-405e-8164-0240ae83501d_negatedLabel_en-US" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payment of interest on lease obligations</link:label>
    <link:label id="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of lease liabilities, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfLoanActivityToRelatedPartiesTable_5abbc0e1-f217-412b-9153-8d0e7b275247_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfLoanActivityToRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loan Activity to Related Parties [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfLoanActivityToRelatedPartiesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfLoanActivityToRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Loan Activity to Related Parties [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfLoanActivityToRelatedPartiesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfLoanActivityToRelatedPartiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Loan Activity to Related Parties [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfLoanActivityToRelatedPartiesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfLoanActivityToRelatedPartiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfLoanActivityToRelatedPartiesTable" xlink:to="lab_bsac_ScheduleOfLoanActivityToRelatedPartiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ForeignTradeLoansMember_f2315eed-d1b4-40a5-8d04-59825f0b866a_verboseLabel_en-US" xlink:label="lab_bsac_ForeignTradeLoansMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Foreign trade loans</link:label>
    <link:label id="lab_bsac_ForeignTradeLoansMember_label_en-US" xlink:label="lab_bsac_ForeignTradeLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Trade Loans [Member]</link:label>
    <link:label id="lab_bsac_ForeignTradeLoansMember_documentation_en-US" xlink:label="lab_bsac_ForeignTradeLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Trade Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ForeignTradeLoansMember" xlink:href="bsac-20251231.xsd#bsac_ForeignTradeLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ForeignTradeLoansMember" xlink:to="lab_bsac_ForeignTradeLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ObligationRelatedToPaymentsCardsProvisionMember_93ca5b48-b264-4c11-aa36-0f752e986bad_terseLabel_en-US" xlink:label="lab_bsac_ObligationRelatedToPaymentsCardsProvisionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Obligation related to payments cards provision</link:label>
    <link:label id="lab_bsac_ObligationRelatedToPaymentsCardsProvisionMember_label_en-US" xlink:label="lab_bsac_ObligationRelatedToPaymentsCardsProvisionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Obligation Related To Payments Cards Provision [Member]</link:label>
    <link:label id="lab_bsac_ObligationRelatedToPaymentsCardsProvisionMember_documentation_en-US" xlink:label="lab_bsac_ObligationRelatedToPaymentsCardsProvisionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Obligation Related To Payments Cards Provision</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ObligationRelatedToPaymentsCardsProvisionMember" xlink:href="bsac-20251231.xsd#bsac_ObligationRelatedToPaymentsCardsProvisionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ObligationRelatedToPaymentsCardsProvisionMember" xlink:to="lab_bsac_ObligationRelatedToPaymentsCardsProvisionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MacroeconomicAxis_5452bb88-6b1b-4905-a701-0a821a8d90b7_terseLabel_en-US" xlink:label="lab_bsac_MacroeconomicAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Macroeconomic [Axis]</link:label>
    <link:label id="lab_bsac_MacroeconomicAxis_label_en-US" xlink:label="lab_bsac_MacroeconomicAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Macroeconomic [Axis]</link:label>
    <link:label id="lab_bsac_MacroeconomicAxis_documentation_en-US" xlink:label="lab_bsac_MacroeconomicAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent macroeconomic axis.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MacroeconomicAxis" xlink:href="bsac-20251231.xsd#bsac_MacroeconomicAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MacroeconomicAxis" xlink:to="lab_bsac_MacroeconomicAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OverNinetyDaysPastDueMember_8c6c0bb9-eb9d-417a-a654-298d79d96466_terseLabel_en-US" xlink:label="lab_bsac_OverNinetyDaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Over 90 days past due</link:label>
    <link:label id="lab_bsac_OverNinetyDaysPastDueMember_label_en-US" xlink:label="lab_bsac_OverNinetyDaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Over Ninety Days Past Due [Member]</link:label>
    <link:label id="lab_bsac_OverNinetyDaysPastDueMember_documentation_en-US" xlink:label="lab_bsac_OverNinetyDaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Over Ninety Days Past Due</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OverNinetyDaysPastDueMember" xlink:href="bsac-20251231.xsd#bsac_OverNinetyDaysPastDueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OverNinetyDaysPastDueMember" xlink:to="lab_bsac_OverNinetyDaysPastDueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FruitCultivationMember_6f3c4c13-3bbd-4e7d-8c7e-5f29784c059e_terseLabel_en-US" xlink:label="lab_bsac_FruitCultivationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fruit cultivation</link:label>
    <link:label id="lab_bsac_FruitCultivationMember_label_en-US" xlink:label="lab_bsac_FruitCultivationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fruit Cultivation [Member]</link:label>
    <link:label id="lab_bsac_FruitCultivationMember_documentation_en-US" xlink:label="lab_bsac_FruitCultivationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fruit Cultivation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FruitCultivationMember" xlink:href="bsac-20251231.xsd#bsac_FruitCultivationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FruitCultivationMember" xlink:to="lab_bsac_FruitCultivationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GeographicalAreasAxis_bad36c9d-ac6a-4ba2-9d02-35d6979ba003_terseLabel_en-US" xlink:label="lab_ifrs-full_GeographicalAreasAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical areas [axis]</link:label>
    <link:label id="lab_ifrs-full_GeographicalAreasAxis_label_en-US" xlink:label="lab_ifrs-full_GeographicalAreasAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical areas [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeographicalAreasAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GeographicalAreasAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeographicalAreasAxis" xlink:to="lab_ifrs-full_GeographicalAreasAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMacroEconomicalForwardLineItems_5de2547c-1240-48d5-8408-b40e3be23c97_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMacroEconomicalForwardLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Macro Economical Forward [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfMacroEconomicalForwardLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfMacroEconomicalForwardLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Macro Economical Forward [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfMacroEconomicalForwardLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMacroEconomicalForwardLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Macro Economical Forward [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMacroEconomicalForwardLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMacroEconomicalForwardLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfMacroEconomicalForwardLineItems" xlink:to="lab_bsac_ScheduleOfMacroEconomicalForwardLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DerivativeOperationsMember_019c53cc-2173-7815-bbfe-db3b46865b5e_terseLabel_en-US" xlink:label="lab_bsac_DerivativeOperationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Operations</link:label>
    <link:label id="lab_bsac_DerivativeOperationsMember_label_en-US" xlink:label="lab_bsac_DerivativeOperationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Operations [Member]</link:label>
    <link:label id="lab_bsac_DerivativeOperationsMember_documentation_en-US" xlink:label="lab_bsac_DerivativeOperationsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative Operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DerivativeOperationsMember" xlink:href="bsac-20251231.xsd#bsac_DerivativeOperationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DerivativeOperationsMember" xlink:to="lab_bsac_DerivativeOperationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommercialRepresentationExpenses_2cddde62-26a9-4689-bacf-d82a0180da24_negatedLabel_en-US" xlink:label="lab_bsac_CommercialRepresentationExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Commercial representation expenses</link:label>
    <link:label id="lab_bsac_CommercialRepresentationExpenses_label_en-US" xlink:label="lab_bsac_CommercialRepresentationExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial Representation Expenses</link:label>
    <link:label id="lab_bsac_CommercialRepresentationExpenses_documentation_en-US" xlink:label="lab_bsac_CommercialRepresentationExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount related to Commercial representation expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommercialRepresentationExpenses" xlink:href="bsac-20251231.xsd#bsac_CommercialRepresentationExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommercialRepresentationExpenses" xlink:to="lab_bsac_CommercialRepresentationExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInterestExpenseExplanatory_7ed5b0f3-b758-4a68-b642-9bfa1ff16582_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInterestExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Bank&#8217;s Expenses Classified as Interest Expense</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInterestExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInterestExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of interest expense [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInterestExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInterestExpenseExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInterestExpenseExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInterestExpenseExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossLineItems_2c387520-ae09-4324-93eb-fb3b8dca172f_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets for Trading at Fair Value through Profit and Loss [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets for Trading at Fair Value through Profit and Loss [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets for Trading at Fair Value through Profit and Loss [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossLineItems" xlink:to="lab_bsac_ScheduleOfFinancialAssetsForTradingAtFairValueThroughProfitAndLossLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsLineItems_b5dffb89-2165-4185-b738-f690b93c83a3_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Allowance by Stage Recorded at Income Statements [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Allowance by Stage Recorded at Income Statements [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Allowance by Stage Recorded at Income Statements [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsLineItems" xlink:to="lab_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NotesReceivableThroughBrokerageAndSimultaneousTransactions_7d3917ad-4689-481c-862a-6f4904b3444f_terseLabel_en-US" xlink:label="lab_bsac_NotesReceivableThroughBrokerageAndSimultaneousTransactions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Brokerage dealer and simultaneous transactions</link:label>
    <link:label id="lab_bsac_NotesReceivableThroughBrokerageAndSimultaneousTransactions_label_en-US" xlink:label="lab_bsac_NotesReceivableThroughBrokerageAndSimultaneousTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Receivable Through Brokerage And Simultaneous Transactions</link:label>
    <link:label id="lab_bsac_NotesReceivableThroughBrokerageAndSimultaneousTransactions_documentation_en-US" xlink:label="lab_bsac_NotesReceivableThroughBrokerageAndSimultaneousTransactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of notes receivable through brokerage and simultaneous transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NotesReceivableThroughBrokerageAndSimultaneousTransactions" xlink:href="bsac-20251231.xsd#bsac_NotesReceivableThroughBrokerageAndSimultaneousTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NotesReceivableThroughBrokerageAndSimultaneousTransactions" xlink:to="lab_bsac_NotesReceivableThroughBrokerageAndSimultaneousTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfDetailedInformationAboutIncomeAndExpensesInRelatedPartyExplanatoryTableTextBlock_14c77850-3f84-4ed4-8042-4ee0b3f13fc0_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfDetailedInformationAboutIncomeAndExpensesInRelatedPartyExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Income (Expense) Recorded Due to Transactions With Related Parties</link:label>
    <link:label id="lab_bsac_ScheduleOfDetailedInformationAboutIncomeAndExpensesInRelatedPartyExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfDetailedInformationAboutIncomeAndExpensesInRelatedPartyExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Detailed Information About Income And Expenses In Related Party Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfDetailedInformationAboutIncomeAndExpensesInRelatedPartyExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfDetailedInformationAboutIncomeAndExpensesInRelatedPartyExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Detailed Information About Income And Expenses In Related Party Explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfDetailedInformationAboutIncomeAndExpensesInRelatedPartyExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfDetailedInformationAboutIncomeAndExpensesInRelatedPartyExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfDetailedInformationAboutIncomeAndExpensesInRelatedPartyExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfDetailedInformationAboutIncomeAndExpensesInRelatedPartyExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfModifiedLoansTableTextBlock_551e9031-da22-4b57-9fb6-115949857d1f_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfModifiedLoansTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Modified Loans</link:label>
    <link:label id="lab_bsac_ScheduleOfModifiedLoansTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfModifiedLoansTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Modified Loans [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfModifiedLoansTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfModifiedLoansTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of modified loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfModifiedLoansTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfModifiedLoansTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfModifiedLoansTableTextBlock" xlink:to="lab_bsac_ScheduleOfModifiedLoansTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMaturitiesOfSubordinatedBondTable_4ff15c7d-2b25-4e11-98de-f4e55d4bd3bf_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMaturitiesOfSubordinatedBondTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Maturities of Subordinated Bond [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfMaturitiesOfSubordinatedBondTable_label_en-US" xlink:label="lab_bsac_ScheduleOfMaturitiesOfSubordinatedBondTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Maturities of Subordinated Bond [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfMaturitiesOfSubordinatedBondTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMaturitiesOfSubordinatedBondTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Maturities of Subordinated Bond [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMaturitiesOfSubordinatedBondTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMaturitiesOfSubordinatedBondTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfMaturitiesOfSubordinatedBondTable" xlink:to="lab_bsac_ScheduleOfMaturitiesOfSubordinatedBondTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskExplanatoryTableTextBlock_9ac46983-28b1-4608-bc00-7993191d6cf4_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Interest Rate Risk</link:label>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Forecasted Cash Flows For Interest Rate Risk Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure about forecasted cash flows for interest rate risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfForecastedCashFlowsForInterestRateRiskExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ECLModifiedLoans_78211309-44ce-40ee-bc19-709d07567a7b_terseLabel_en-US" xlink:label="lab_bsac_ECLModifiedLoans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Modified loans</link:label>
    <link:label id="lab_bsac_ECLModifiedLoans_label_en-US" xlink:label="lab_bsac_ECLModifiedLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ECLModified Loans</link:label>
    <link:label id="lab_bsac_ECLModifiedLoans_documentation_en-US" xlink:label="lab_bsac_ECLModifiedLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount refer to modified ecl loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ECLModifiedLoans" xlink:href="bsac-20251231.xsd#bsac_ECLModifiedLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ECLModifiedLoans" xlink:to="lab_bsac_ECLModifiedLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome1_5ac0c51b-0e7e-47ca-82c4-3a4f4e5278c8_terseLabel_en-US" xlink:label="lab_bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recognised through other comprehensive income</link:label>
    <link:label id="lab_bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome1_label_en-US" xlink:label="lab_bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Relating To Components Of Other Comprehensive Income1</link:label>
    <link:label id="lab_bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome1_documentation_en-US" xlink:label="lab_bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of income tax relating to amounts recognised in other comprehensive income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome1" xlink:href="bsac-20251231.xsd#bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome1" xlink:to="lab_bsac_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeExpenseFromFinancialAssetsForTradingAtFVTPL_39c5d48b-2c2f-4e0b-adb7-2140666753ab_terseLabel_en-US" xlink:label="lab_bsac_NetIncomeExpenseFromFinancialAssetsForTradingAtFVTPL" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income/(expense) from financial assets for trading at FVTPL</link:label>
    <link:label id="lab_bsac_NetIncomeExpenseFromFinancialAssetsForTradingAtFVTPL_label_en-US" xlink:label="lab_bsac_NetIncomeExpenseFromFinancialAssetsForTradingAtFVTPL" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Expense From Financial Assets For Trading At FVTPL</link:label>
    <link:label id="lab_bsac_NetIncomeExpenseFromFinancialAssetsForTradingAtFVTPL_documentation_en-US" xlink:label="lab_bsac_NetIncomeExpenseFromFinancialAssetsForTradingAtFVTPL" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Income Expense From Financial Assets For Trading At FVTPL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeExpenseFromFinancialAssetsForTradingAtFVTPL" xlink:href="bsac-20251231.xsd#bsac_NetIncomeExpenseFromFinancialAssetsForTradingAtFVTPL"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomeExpenseFromFinancialAssetsForTradingAtFVTPL" xlink:to="lab_bsac_NetIncomeExpenseFromFinancialAssetsForTradingAtFVTPL" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RestructuringPlansMember_19ae5812-231b-41fe-bb39-36086cb3c70a_terseLabel_en-US" xlink:label="lab_bsac_RestructuringPlansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restructuring plans</link:label>
    <link:label id="lab_bsac_RestructuringPlansMember_label_en-US" xlink:label="lab_bsac_RestructuringPlansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restructuring Plans [Member]</link:label>
    <link:label id="lab_bsac_RestructuringPlansMember_documentation_en-US" xlink:label="lab_bsac_RestructuringPlansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Restructuring Plans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RestructuringPlansMember" xlink:href="bsac-20251231.xsd#bsac_RestructuringPlansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RestructuringPlansMember" xlink:to="lab_bsac_RestructuringPlansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset_1b56351a-99a6-4016-aba1-8691cfae4dee_negatedLabel_en-US" xlink:label="lab_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Benefits paid</link:label>
    <link:label id="lab_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Benefits Paid Net Defined Benefit Liability Asset</link:label>
    <link:label id="lab_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset_documentation_en-US" xlink:label="lab_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset" xlink:href="bsac-20251231.xsd#bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset" xlink:to="lab_bsac_BenefitsPaidNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD2308225Member_019bf9b2-0206-7247-b5d4-21efce65ec20_terseLabel_en-US" xlink:label="lab_bsac_BSTD2308225Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD230822</link:label>
    <link:label id="lab_bsac_BSTD2308225Member_label_en-US" xlink:label="lab_bsac_BSTD2308225Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD230822-5 [Member]</link:label>
    <link:label id="lab_bsac_BSTD2308225Member_documentation_en-US" xlink:label="lab_bsac_BSTD2308225Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD230822-5</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD2308225Member" xlink:href="bsac-20251231.xsd#bsac_BSTD2308225Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD2308225Member" xlink:to="lab_bsac_BSTD2308225Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncomeTaxRelatingToDebtInstrumentsOfOtherComprehensiveIncome_ac06ea05-ba4d-425d-a207-b1273b90a1e1_terseLabel_en-US" xlink:label="lab_bsac_IncomeTaxRelatingToDebtInstrumentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instruments at FVOCI</link:label>
    <link:label id="lab_bsac_IncomeTaxRelatingToDebtInstrumentsOfOtherComprehensiveIncome_label_en-US" xlink:label="lab_bsac_IncomeTaxRelatingToDebtInstrumentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Relating To Debt Instruments Of Other Comprehensive Income</link:label>
    <link:label id="lab_bsac_IncomeTaxRelatingToDebtInstrumentsOfOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_bsac_IncomeTaxRelatingToDebtInstrumentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about deferred tax assets debt instrument recognized through other comprehensive income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncomeTaxRelatingToDebtInstrumentsOfOtherComprehensiveIncome" xlink:href="bsac-20251231.xsd#bsac_IncomeTaxRelatingToDebtInstrumentsOfOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncomeTaxRelatingToDebtInstrumentsOfOtherComprehensiveIncome" xlink:to="lab_bsac_IncomeTaxRelatingToDebtInstrumentsOfOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LeaseObligationsMember_2342ad0a-b925-4e99-b122-a1ab6f134ffa_terseLabel_en-US" xlink:label="lab_bsac_LeaseObligationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease obligations</link:label>
    <link:label id="lab_bsac_LeaseObligationsMember_label_en-US" xlink:label="lab_bsac_LeaseObligationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease Obligations [Member]</link:label>
    <link:label id="lab_bsac_LeaseObligationsMember_documentation_en-US" xlink:label="lab_bsac_LeaseObligationsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lease Obligations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LeaseObligationsMember" xlink:href="bsac-20251231.xsd#bsac_LeaseObligationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LeaseObligationsMember" xlink:to="lab_bsac_LeaseObligationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_VoluntaryAdditionalProvisionsAllocatedAsTier2T2Capital_58e5ead1-ce1f-478b-b542-ac19f2f77e19_terseLabel_en-US" xlink:label="lab_bsac_VoluntaryAdditionalProvisionsAllocatedAsTier2T2Capital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Voluntary (additional) provisions allocated as Tier 2 (T2) capital</link:label>
    <link:label id="lab_bsac_VoluntaryAdditionalProvisionsAllocatedAsTier2T2Capital_label_en-US" xlink:label="lab_bsac_VoluntaryAdditionalProvisionsAllocatedAsTier2T2Capital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Voluntary Additional Provisions Allocated As Tier2 T2 Capital</link:label>
    <link:label id="lab_bsac_VoluntaryAdditionalProvisionsAllocatedAsTier2T2Capital_documentation_en-US" xlink:label="lab_bsac_VoluntaryAdditionalProvisionsAllocatedAsTier2T2Capital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of voluntary (additional) provisions allocated as Tier 2.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_VoluntaryAdditionalProvisionsAllocatedAsTier2T2Capital" xlink:href="bsac-20251231.xsd#bsac_VoluntaryAdditionalProvisionsAllocatedAsTier2T2Capital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_VoluntaryAdditionalProvisionsAllocatedAsTier2T2Capital" xlink:to="lab_bsac_VoluntaryAdditionalProvisionsAllocatedAsTier2T2Capital" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfTheMaturityLevelOfTheLeaseLiabilityAccordingToTheirContractualMaturityTable_5e1947d0-63b6-4ebc-9533-bf28ef56ff9e_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfTheMaturityLevelOfTheLeaseLiabilityAccordingToTheirContractualMaturityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of the Maturity Level of the Lease Liability, According to their Contractual Maturity [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfTheMaturityLevelOfTheLeaseLiabilityAccordingToTheirContractualMaturityTable_label_en-US" xlink:label="lab_bsac_ScheduleOfTheMaturityLevelOfTheLeaseLiabilityAccordingToTheirContractualMaturityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of the Maturity Level of the Lease Liability, According to their Contractual Maturity [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfTheMaturityLevelOfTheLeaseLiabilityAccordingToTheirContractualMaturityTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfTheMaturityLevelOfTheLeaseLiabilityAccordingToTheirContractualMaturityTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of the Maturity Level of the Lease Liability, According to their Contractual Maturity [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfTheMaturityLevelOfTheLeaseLiabilityAccordingToTheirContractualMaturityTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfTheMaturityLevelOfTheLeaseLiabilityAccordingToTheirContractualMaturityTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfTheMaturityLevelOfTheLeaseLiabilityAccordingToTheirContractualMaturityTable" xlink:to="lab_bsac_ScheduleOfTheMaturityLevelOfTheLeaseLiabilityAccordingToTheirContractualMaturityTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfSubsidiariesLineItems_2b35ffda-8d1e-4068-a185-9c6478c9bdd9_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfSubsidiariesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Subsidiaries [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfSubsidiariesLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfSubsidiariesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Subsidiaries [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfSubsidiariesLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfSubsidiariesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Subsidiaries [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfSubsidiariesLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfSubsidiariesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfSubsidiariesLineItems" xlink:to="lab_bsac_ScheduleOfSubsidiariesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToCurrentYear_aeb5f8e0-aa00-4f80-b9aa-40e5c50954cd_negatedLabel_en-US" xlink:label="lab_ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToCurrentYear" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Dividends distributions / withdrawals made</link:label>
    <link:label id="lab_ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToCurrentYear_label_en-US" xlink:label="lab_ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToCurrentYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends recognised as distributions to owners of parent, relating to current year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToCurrentYear" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToCurrentYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToCurrentYear" xlink:to="lab_ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParentRelatingToCurrentYear" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherRelatedPartiesMember_33e2d358-573a-42e1-b32b-da32bc11017b_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherRelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_OtherRelatedPartiesMember_5558e719-697c-447a-9ce7-162854ef6c6f_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherRelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_ifrs-full_OtherRelatedPartiesMember_label_en-US" xlink:label="lab_ifrs-full_OtherRelatedPartiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other related parties [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherRelatedPartiesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherRelatedPartiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherRelatedPartiesMember" xlink:to="lab_ifrs-full_OtherRelatedPartiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ImpairmentLossRecognisedInProfitLossPropertyPlantAndEquipment_ad736877-ad9b-4da2-9666-54123578cfb3_negatedLabel_en-US" xlink:label="lab_bsac_ImpairmentLossRecognisedInProfitLossPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Impairment of non-financial assets</link:label>
    <link:label id="lab_bsac_ImpairmentLossRecognisedInProfitLossPropertyPlantAndEquipment_label_en-US" xlink:label="lab_bsac_ImpairmentLossRecognisedInProfitLossPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment Loss Recognised In Profit Loss Property Plant And Equipment</link:label>
    <link:label id="lab_bsac_ImpairmentLossRecognisedInProfitLossPropertyPlantAndEquipment_documentation_en-US" xlink:label="lab_bsac_ImpairmentLossRecognisedInProfitLossPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of impairment loss recognised in profit or loss for property, plant and equipment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ImpairmentLossRecognisedInProfitLossPropertyPlantAndEquipment" xlink:href="bsac-20251231.xsd#bsac_ImpairmentLossRecognisedInProfitLossPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ImpairmentLossRecognisedInProfitLossPropertyPlantAndEquipment" xlink:to="lab_bsac_ImpairmentLossRecognisedInProfitLossPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AverageEstimatesTwoThousandTwentyFourMember_226764a6-69e5-43d1-be97-7b2a0ee7283d_terseLabel_en-US" xlink:label="lab_bsac_AverageEstimatesTwoThousandTwentyFourMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average estimates 2025</link:label>
    <link:label id="lab_bsac_AverageEstimatesTwoThousandTwentyFourMember_label_en-US" xlink:label="lab_bsac_AverageEstimatesTwoThousandTwentyFourMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average Estimates Two Thousand Twenty Four [Member]</link:label>
    <link:label id="lab_bsac_AverageEstimatesTwoThousandTwentyFourMember_documentation_en-US" xlink:label="lab_bsac_AverageEstimatesTwoThousandTwentyFourMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Average Estimates Two Thousand Twenty Four</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AverageEstimatesTwoThousandTwentyFourMember" xlink:href="bsac-20251231.xsd#bsac_AverageEstimatesTwoThousandTwentyFourMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AverageEstimatesTwoThousandTwentyFourMember" xlink:to="lab_bsac_AverageEstimatesTwoThousandTwentyFourMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CashAndDepositsInBanksMember_a2dbc9ea-f45b-42bd-b774-3bd25fdc8be7_terseLabel_en-US" xlink:label="lab_bsac_CashAndDepositsInBanksMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and deposits in banks</link:label>
    <link:label id="lab_bsac_CashAndDepositsInBanksMember_label_en-US" xlink:label="lab_bsac_CashAndDepositsInBanksMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash And Deposits In Banks [Member]</link:label>
    <link:label id="lab_bsac_CashAndDepositsInBanksMember_documentation_en-US" xlink:label="lab_bsac_CashAndDepositsInBanksMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash And Deposits In Banks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CashAndDepositsInBanksMember" xlink:href="bsac-20251231.xsd#bsac_CashAndDepositsInBanksMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CashAndDepositsInBanksMember" xlink:to="lab_bsac_CashAndDepositsInBanksMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisposalsPropertyPlantAndEquipment_e34b26bf-06f5-412d-8eca-11d482a8f200_negatedLabel_en-US" xlink:label="lab_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Disposals</link:label>
    <link:label id="lab_ifrs-full_DisposalsPropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposals, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisposalsPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:to="lab_ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionForLoanLossesForCashFlowPurposes_d7de5fb9-0e49-46dd-8544-633cc772a712_negatedTerseLabel_en-US" xlink:label="lab_bsac_ProvisionForLoanLossesForCashFlowPurposes" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Provision for loan losses for cash flow purposes</link:label>
    <link:label id="lab_bsac_ProvisionForLoanLossesForCashFlowPurposes_label_en-US" xlink:label="lab_bsac_ProvisionForLoanLossesForCashFlowPurposes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision For Loan Losses For Cash Flow Purposes</link:label>
    <link:label id="lab_bsac_ProvisionForLoanLossesForCashFlowPurposes_documentation_en-US" xlink:label="lab_bsac_ProvisionForLoanLossesForCashFlowPurposes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about provision for loan losses for cash flow purposes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionForLoanLossesForCashFlowPurposes" xlink:href="bsac-20251231.xsd#bsac_ProvisionForLoanLossesForCashFlowPurposes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionForLoanLossesForCashFlowPurposes" xlink:to="lab_bsac_ProvisionForLoanLossesForCashFlowPurposes" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis_096a872d-9b5a-468d-83d4-26972234ae1e_terseLabel_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsidiaries [axis]</link:label>
    <link:label id="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis_label_en-US" xlink:label="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsidiaries [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:to="lab_ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OpeningBalance_d9385ef6-9b98-4601-9619-4cb1ea1ae571_terseLabel_en-US" xlink:label="lab_bsac_OpeningBalance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Opening balance as of January 1,</link:label>
    <link:label id="lab_bsac_OpeningBalance_label_en-US" xlink:label="lab_bsac_OpeningBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Opening Balance</link:label>
    <link:label id="lab_bsac_OpeningBalance_documentation_en-US" xlink:label="lab_bsac_OpeningBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Opening Balance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OpeningBalance" xlink:href="bsac-20251231.xsd#bsac_OpeningBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OpeningBalance" xlink:to="lab_bsac_OpeningBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MinimumDividendProvisionOfAccumulatedEarningsPercentage_b962dfc7-b1d7-4d05-8db1-cf979fe6327d_terseLabel_en-US" xlink:label="lab_bsac_MinimumDividendProvisionOfAccumulatedEarningsPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum dividend provision of accumulated earnings</link:label>
    <link:label id="lab_bsac_MinimumDividendProvisionOfAccumulatedEarningsPercentage_label_en-US" xlink:label="lab_bsac_MinimumDividendProvisionOfAccumulatedEarningsPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum Dividend Provision Of Accumulated Earnings, Percentage</link:label>
    <link:label id="lab_bsac_MinimumDividendProvisionOfAccumulatedEarningsPercentage_documentation_en-US" xlink:label="lab_bsac_MinimumDividendProvisionOfAccumulatedEarningsPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum Dividend Provision Of Accumulated Earnings, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MinimumDividendProvisionOfAccumulatedEarningsPercentage" xlink:href="bsac-20251231.xsd#bsac_MinimumDividendProvisionOfAccumulatedEarningsPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MinimumDividendProvisionOfAccumulatedEarningsPercentage" xlink:to="lab_bsac_MinimumDividendProvisionOfAccumulatedEarningsPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_c887bb10-50d5-44bf-b88a-edf5576b1501_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of property, plant and equipment [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:to="lab_ifrs-full_DisclosureOfPropertyPlantAndEquipmentExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DepositsOtherDemandLiabilitiesMember_41e0a5cb-ffe8-4a62-957c-e1ceb3bcfdc0_terseLabel_en-US" xlink:label="lab_bsac_DepositsOtherDemandLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deposits and other demand liabilities</link:label>
    <link:label id="lab_bsac_DepositsOtherDemandLiabilitiesMember_label_en-US" xlink:label="lab_bsac_DepositsOtherDemandLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deposits Other Demand Liabilities [Member]</link:label>
    <link:label id="lab_bsac_DepositsOtherDemandLiabilitiesMember_documentation_en-US" xlink:label="lab_bsac_DepositsOtherDemandLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deposits Other Demand Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DepositsOtherDemandLiabilitiesMember" xlink:href="bsac-20251231.xsd#bsac_DepositsOtherDemandLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DepositsOtherDemandLiabilitiesMember" xlink:to="lab_bsac_DepositsOtherDemandLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TextileLeatherAndFootwearMember_7025bf47-a357-492b-99a8-b8db51b555ea_terseLabel_en-US" xlink:label="lab_bsac_TextileLeatherAndFootwearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Textile, leather and footwear</link:label>
    <link:label id="lab_bsac_TextileLeatherAndFootwearMember_label_en-US" xlink:label="lab_bsac_TextileLeatherAndFootwearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Textile Leather And Footwear [Member]</link:label>
    <link:label id="lab_bsac_TextileLeatherAndFootwearMember_documentation_en-US" xlink:label="lab_bsac_TextileLeatherAndFootwearMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Textile Leather And Footwear</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TextileLeatherAndFootwearMember" xlink:href="bsac-20251231.xsd#bsac_TextileLeatherAndFootwearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TextileLeatherAndFootwearMember" xlink:to="lab_bsac_TextileLeatherAndFootwearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationRightofuseAssets_4516cb81-a0bd-4543-a8d4-8b112beedd46_negatedLabel_en-US" xlink:label="lab_ifrs-full_DepreciationRightofuseAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Depreciation</link:label>
    <link:label id="lab_ifrs-full_DepreciationRightofuseAssets_label_en-US" xlink:label="lab_ifrs-full_DepreciationRightofuseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, right-of-use assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationRightofuseAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepreciationRightofuseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationRightofuseAssets" xlink:to="lab_ifrs-full_DepreciationRightofuseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DueAfter3YearsButWithin4YearsMember_4b5c6a61-fad0-48c1-a64d-40a6fdd6b1c8_terseLabel_en-US" xlink:label="lab_bsac_DueAfter3YearsButWithin4YearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due within 3 and 4 year</link:label>
    <link:label id="lab_bsac_DueAfter3YearsButWithin4YearsMember_389cb4c5-245c-4e35-8263-65bc35522264_verboseLabel_en-US" xlink:label="lab_bsac_DueAfter3YearsButWithin4YearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Due after 3 year but within 4 years</link:label>
    <link:label id="lab_bsac_DueAfter3YearsButWithin4YearsMember_label_en-US" xlink:label="lab_bsac_DueAfter3YearsButWithin4YearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due After3 Years But Within4 Years [Member]</link:label>
    <link:label id="lab_bsac_DueAfter3YearsButWithin4YearsMember_documentation_en-US" xlink:label="lab_bsac_DueAfter3YearsButWithin4YearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Due After3 Years But Within4 Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DueAfter3YearsButWithin4YearsMember" xlink:href="bsac-20251231.xsd#bsac_DueAfter3YearsButWithin4YearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DueAfter3YearsButWithin4YearsMember" xlink:to="lab_bsac_DueAfter3YearsButWithin4YearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HedgedItemMember_617e2c36-c5f0-40c0-a5db-ba6ab8cd3ffc_terseLabel_en-US" xlink:label="lab_bsac_HedgedItemMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedged item</link:label>
    <link:label id="lab_bsac_HedgedItemMember_label_en-US" xlink:label="lab_bsac_HedgedItemMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedged Item [Member]</link:label>
    <link:label id="lab_bsac_HedgedItemMember_documentation_en-US" xlink:label="lab_bsac_HedgedItemMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hedged Item</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HedgedItemMember" xlink:href="bsac-20251231.xsd#bsac_HedgedItemMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HedgedItemMember" xlink:to="lab_bsac_HedgedItemMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract_d1db5d06-e53c-4c97-b14c-8ca0d3f4612e_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of quantitative information about right-of-use assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:to="lab_ifrs-full_DisclosureOfQuantitativeInformationAboutRightofuseAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxAssetsSubsidiariesTaxLosses_295b561d-c4b8-41ae-867e-5c5bc026aaaf_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxAssetsSubsidiariesTaxLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsidiaries tax losses</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsSubsidiariesTaxLosses_label_en-US" xlink:label="lab_bsac_DeferredTaxAssetsSubsidiariesTaxLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Subsidiaries Tax Losses</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsSubsidiariesTaxLosses_documentation_en-US" xlink:label="lab_bsac_DeferredTaxAssetsSubsidiariesTaxLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amounts of subsidiaries tax losses subject to deferred tax assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxAssetsSubsidiariesTaxLosses" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxAssetsSubsidiariesTaxLosses"/>
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    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInMortgageLoansLineItems_8b649f37-a89c-45ff-84e5-80aa86cb4632_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInMortgageLoansLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss in Mortgage Loans [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInMortgageLoansLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInMortgageLoansLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss in Mortgage Loans [Line Items]</link:label>
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    <link:label id="lab_ifrs-full_OtherFeeAndCommissionIncome_6efa956d-5a5f-4812-8ca9-a89b805e3639_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherFeeAndCommissionIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other fees earned</link:label>
    <link:label id="lab_ifrs-full_OtherFeeAndCommissionIncome_label_en-US" xlink:label="lab_ifrs-full_OtherFeeAndCommissionIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other fee and commission income</link:label>
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    <link:label id="lab_ifrs-full_CategoriesOfRelatedPartiesDomain_9211826f-a105-4883-a216-518ae7770e75_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of related parties [domain]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesDomain"/>
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    <link:label id="lab_bsac_UnicreditBulbankAdMember_6020af0d-0672-4184-b9c1-4acb14fb9b29_terseLabel_en-US" xlink:label="lab_bsac_UnicreditBulbankAdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deutsche Bank Ag</link:label>
    <link:label id="lab_bsac_UnicreditBulbankAdMember_label_en-US" xlink:label="lab_bsac_UnicreditBulbankAdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unicredit Bulbank Ad [Member]</link:label>
    <link:label id="lab_bsac_UnicreditBulbankAdMember_documentation_en-US" xlink:label="lab_bsac_UnicreditBulbankAdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unicredit Bulbank Ad</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_UnicreditBulbankAdMember" xlink:href="bsac-20251231.xsd#bsac_UnicreditBulbankAdMember"/>
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    <link:label id="lab_bsac_OtherCommercialMember_1027f2f6-10c6-4f1d-ad92-2ff249e0ea1e_terseLabel_en-US" xlink:label="lab_bsac_OtherCommercialMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Commercial</link:label>
    <link:label id="lab_bsac_OtherCommercialMember_label_en-US" xlink:label="lab_bsac_OtherCommercialMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Commercial [Member]</link:label>
    <link:label id="lab_bsac_OtherCommercialMember_documentation_en-US" xlink:label="lab_bsac_OtherCommercialMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Commercial</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherCommercialMember" xlink:href="bsac-20251231.xsd#bsac_OtherCommercialMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherCommercialMember" xlink:to="lab_bsac_OtherCommercialMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Provisions_e746cea0-4ca3-4add-bbdb-ec1a7c5bab64_terseLabel_en-US" xlink:label="lab_ifrs-full_Provisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:label id="lab_ifrs-full_Provisions_920f5179-2547-4f64-8e09-da57fca39ff4_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Provisions" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance at beginning</link:label>
    <link:label id="lab_ifrs-full_Provisions_40d15bb7-5c01-4846-a83e-33e327003e55_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Provisions" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance at ending</link:label>
    <link:label id="lab_ifrs-full_Provisions_label_en-US" xlink:label="lab_ifrs-full_Provisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Provisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Provisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Provisions" xlink:to="lab_ifrs-full_Provisions" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OfficeBanking1_4d9feecb-0024-4170-a484-6dbfc033100e_negatedTerseLabel_en-US" xlink:label="lab_bsac_OfficeBanking1" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Office banking</link:label>
    <link:label id="lab_bsac_OfficeBanking1_label_en-US" xlink:label="lab_bsac_OfficeBanking1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Office Banking1</link:label>
    <link:label id="lab_bsac_OfficeBanking1_documentation_en-US" xlink:label="lab_bsac_OfficeBanking1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of expense recognised for office banking.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OfficeBanking1" xlink:href="bsac-20251231.xsd#bsac_OfficeBanking1"/>
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    <link:label id="lab_bsac_AccountsPayableInsuranceCompanies_6716e0f3-7708-4218-a052-d89ffe5689ac_verboseLabel_en-US" xlink:label="lab_bsac_AccountsPayableInsuranceCompanies" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable insurance companies</link:label>
    <link:label id="lab_bsac_AccountsPayableInsuranceCompanies_label_en-US" xlink:label="lab_bsac_AccountsPayableInsuranceCompanies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable Insurance Companies</link:label>
    <link:label id="lab_bsac_AccountsPayableInsuranceCompanies_documentation_en-US" xlink:label="lab_bsac_AccountsPayableInsuranceCompanies" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accounts payable insurance companies.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AccountsPayableInsuranceCompanies" xlink:href="bsac-20251231.xsd#bsac_AccountsPayableInsuranceCompanies"/>
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    <link:label id="lab_bsac_AdjustmentsForProvisionForLoanLosses_4b28d894-c8a6-40ee-9227-629de75d0c8c_terseLabel_en-US" xlink:label="lab_bsac_AdjustmentsForProvisionForLoanLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for loan losses</link:label>
    <link:label id="lab_bsac_AdjustmentsForProvisionForLoanLosses_label_en-US" xlink:label="lab_bsac_AdjustmentsForProvisionForLoanLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Provision For Loan Losses</link:label>
    <link:label id="lab_bsac_AdjustmentsForProvisionForLoanLosses_documentation_en-US" xlink:label="lab_bsac_AdjustmentsForProvisionForLoanLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustments for provision for loan losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentsForProvisionForLoanLosses" xlink:href="bsac-20251231.xsd#bsac_AdjustmentsForProvisionForLoanLosses"/>
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    <link:label id="lab_bsac_MortgageMutualFinancedWithMortgageBondsMember_ed32d5bc-5eb9-43dd-a62f-1722657d8568_terseLabel_en-US" xlink:label="lab_bsac_MortgageMutualFinancedWithMortgageBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage mutual financed with mortgage bonds</link:label>
    <link:label id="lab_bsac_MortgageMutualFinancedWithMortgageBondsMember_label_en-US" xlink:label="lab_bsac_MortgageMutualFinancedWithMortgageBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Mutual Financed With Mortgage Bonds [Member]</link:label>
    <link:label id="lab_bsac_MortgageMutualFinancedWithMortgageBondsMember_documentation_en-US" xlink:label="lab_bsac_MortgageMutualFinancedWithMortgageBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage Mutual Financed With Mortgage Bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MortgageMutualFinancedWithMortgageBondsMember" xlink:href="bsac-20251231.xsd#bsac_MortgageMutualFinancedWithMortgageBondsMember"/>
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    <link:label id="lab_bsac_ShortTermLeasesContracts_cebb1488-6f6c-478b-80be-511054b0be0b_negatedTerseLabel_en-US" xlink:label="lab_bsac_ShortTermLeasesContracts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Short term leases contracts</link:label>
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    <link:label id="lab_bsac_ShortTermLeasesContracts_documentation_en-US" xlink:label="lab_bsac_ShortTermLeasesContracts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Short Term Leases Contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ShortTermLeasesContracts" xlink:href="bsac-20251231.xsd#bsac_ShortTermLeasesContracts"/>
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    <link:label id="lab_bsac_UnemploymentRateMember_41b295bd-ac20-4a17-9299-c60e791e5d2e_terseLabel_en-US" xlink:label="lab_bsac_UnemploymentRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unemployment rate</link:label>
    <link:label id="lab_bsac_UnemploymentRateMember_label_en-US" xlink:label="lab_bsac_UnemploymentRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unemployment Rate [Member]</link:label>
    <link:label id="lab_bsac_UnemploymentRateMember_documentation_en-US" xlink:label="lab_bsac_UnemploymentRateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for unemployment rate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_UnemploymentRateMember" xlink:href="bsac-20251231.xsd#bsac_UnemploymentRateMember"/>
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    <link:label id="lab_bsac_ResidualTermOfOperation_583caa72-2415-4c94-a45b-efb821f28f11_terseLabel_en-US" xlink:label="lab_bsac_ResidualTermOfOperation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Residual term of operation</link:label>
    <link:label id="lab_bsac_ResidualTermOfOperation_label_en-US" xlink:label="lab_bsac_ResidualTermOfOperation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Residual Term Of Operation</link:label>
    <link:label id="lab_bsac_ResidualTermOfOperation_documentation_en-US" xlink:label="lab_bsac_ResidualTermOfOperation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Residual term of operation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ResidualTermOfOperation" xlink:href="bsac-20251231.xsd#bsac_ResidualTermOfOperation"/>
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    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInMortgageLoansTable_5b0f30b7-73e5-4531-99e1-a0fcea03b928_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInMortgageLoansTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss in Mortgage Loans [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInMortgageLoansTable_label_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInMortgageLoansTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss in Mortgage Loans [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInMortgageLoansTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInMortgageLoansTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss in Mortgage Loans [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInMortgageLoansTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInMortgageLoansTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInMortgageLoansTable" xlink:to="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossInMortgageLoansTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionExpenseOfficeBanking_f6eac5d0-0140-4791-996f-28ec7bab913b_negatedTerseLabel_en-US" xlink:label="lab_bsac_CommissionExpenseOfficeBanking" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Office banking</link:label>
    <link:label id="lab_bsac_CommissionExpenseOfficeBanking_label_en-US" xlink:label="lab_bsac_CommissionExpenseOfficeBanking" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commission Expense Office Banking</link:label>
    <link:label id="lab_bsac_CommissionExpenseOfficeBanking_documentation_en-US" xlink:label="lab_bsac_CommissionExpenseOfficeBanking" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commission expense Office banking.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionExpenseOfficeBanking" xlink:href="bsac-20251231.xsd#bsac_CommissionExpenseOfficeBanking"/>
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    <link:label id="lab_bsac_InterbankBorrowingMember_44b9d681-009b-4457-8c6f-652415e1fad3_terseLabel_en-US" xlink:label="lab_bsac_InterbankBorrowingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interbank borrowing</link:label>
    <link:label id="lab_bsac_InterbankBorrowingMember_label_en-US" xlink:label="lab_bsac_InterbankBorrowingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interbank Borrowing [Member]</link:label>
    <link:label id="lab_bsac_InterbankBorrowingMember_documentation_en-US" xlink:label="lab_bsac_InterbankBorrowingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interbank Borrowing</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterbankBorrowingMember" xlink:href="bsac-20251231.xsd#bsac_InterbankBorrowingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterbankBorrowingMember" xlink:to="lab_bsac_InterbankBorrowingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances1_5d7a0b45-3145-435e-965a-37bbd6b5fdf0_terseLabel_en-US" xlink:label="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Write-off</link:label>
    <link:label id="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances1_label_en-US" xlink:label="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease Through Writeoff Expected Credit Losses Allowances1</link:label>
    <link:label id="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances1_documentation_en-US" xlink:label="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Write-off.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances1" xlink:href="bsac-20251231.xsd#bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances1" xlink:to="lab_bsac_DecreaseThroughWriteoffExpectedCreditLossesAllowances1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfCurrentTaxPayableRecoverableExplanatoryTableTextBlock_1278ee11-a898-4641-b855-9d19dc2a5f8c_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfCurrentTaxPayableRecoverableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Current Taxes</link:label>
    <link:label id="lab_bsac_ScheduleOfCurrentTaxPayableRecoverableExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfCurrentTaxPayableRecoverableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Current Tax Payable Recoverable Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfCurrentTaxPayableRecoverableExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfCurrentTaxPayableRecoverableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure for current taxes payable recoverable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfCurrentTaxPayableRecoverableExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfCurrentTaxPayableRecoverableExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfCurrentTaxPayableRecoverableExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfCurrentTaxPayableRecoverableExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterbankBorrowingsMember_1239465c-c0c8-4c63-9bb1-ca80009b8fda_terseLabel_en-US" xlink:label="lab_bsac_InterbankBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interbank borrowings</link:label>
    <link:label id="lab_bsac_InterbankBorrowingsMember_label_en-US" xlink:label="lab_bsac_InterbankBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interbank Borrowings [Member]</link:label>
    <link:label id="lab_bsac_InterbankBorrowingsMember_documentation_en-US" xlink:label="lab_bsac_InterbankBorrowingsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interbank Borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterbankBorrowingsMember" xlink:href="bsac-20251231.xsd#bsac_InterbankBorrowingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterbankBorrowingsMember" xlink:to="lab_bsac_InterbankBorrowingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis_019c5853-c63d-7a03-900c-d37cc18ab37e_terseLabel_en-US" xlink:label="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings, adjustment to interest rate basis</link:label>
    <link:label id="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis_label_en-US" xlink:label="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings, adjustment to interest rate basis</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BorrowingsAdjustmentToInterestRateBasis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:to="lab_ifrs-full_BorrowingsAdjustmentToInterestRateBasis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfSubordinatedBondsPerCurrencyTableTextBlock_cb801526-46ad-421c-b1cd-67d3c827e44c_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfSubordinatedBondsPerCurrencyTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Subordinated Bonds Per Currency</link:label>
    <link:label id="lab_bsac_ScheduleOfSubordinatedBondsPerCurrencyTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfSubordinatedBondsPerCurrencyTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Subordinated Bonds Per Currency [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfSubordinatedBondsPerCurrencyTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfSubordinatedBondsPerCurrencyTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure subordinated bonds per currency.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfSubordinatedBondsPerCurrencyTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfSubordinatedBondsPerCurrencyTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfSubordinatedBondsPerCurrencyTableTextBlock" xlink:to="lab_bsac_ScheduleOfSubordinatedBondsPerCurrencyTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbakLoansTable_8b6ca17f-6b6a-4011-b23c-b2897c23f83e_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbakLoansTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loans and Account Receivable from Customers and Interbak Loans [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbakLoansTable_label_en-US" xlink:label="lab_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbakLoansTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Loans and Account Receivable from Customers and Interbak Loans [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbakLoansTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbakLoansTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Loans and Account Receivable from Customers and Interbak Loans [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbakLoansTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbakLoansTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbakLoansTable" xlink:to="lab_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbakLoansTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedCardOperatorMonthlyMember_019b9f64-bbc0-7655-a4b2-dda2475b25c1_terseLabel_en-US" xlink:label="lab_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedCardOperatorMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sociedad Operadora de la C&#225;mara de Compensaci&#243;n de Pagos de Alto Valor S.A.| Chile| Associated| Card operator| Monthly</link:label>
    <link:label id="lab_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedCardOperatorMonthlyMember_label_en-US" xlink:label="lab_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedCardOperatorMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sociedad Operadora de la C&#225;mara de Compensaci&#243;n de Pagos de Alto Valor S.A.| Chile| Associated| Card operator| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedCardOperatorMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedCardOperatorMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sociedad Operadora de la C&#225;mara de Compensaci&#243;n de Pagos de Alto Valor S.A.| Chile| Associated| Card operator| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedCardOperatorMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedCardOperatorMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedCardOperatorMonthlyMember" xlink:to="lab_bsac_SociedadOperadoraDeLaCamaraDeCompensacionDePagosDeAltoValorS.A.ChileAssociatedCardOperatorMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD1209236Member_019bf99f-2a6b-75ea-aa8d-d6d38a10ec26_terseLabel_en-US" xlink:label="lab_bsac_BSTD1209236Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD120923</link:label>
    <link:label id="lab_bsac_BSTD1209236Member_label_en-US" xlink:label="lab_bsac_BSTD1209236Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD120923-6 [Member]</link:label>
    <link:label id="lab_bsac_BSTD1209236Member_documentation_en-US" xlink:label="lab_bsac_BSTD1209236Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD120923-6</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD1209236Member" xlink:href="bsac-20251231.xsd#bsac_BSTD1209236Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD1209236Member" xlink:to="lab_bsac_BSTD1209236Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_2e3ba91e-8bc5-43ee-955f-81c9760eba8d_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [table]</link:label>
    <link:label id="lab_ifrs-full_StatementOfChangesInEquityTable_label_en-US" xlink:label="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of changes in equity [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfChangesInEquityTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfChangesInEquityTable" xlink:to="lab_ifrs-full_StatementOfChangesInEquityTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CompensationForCardOperation_2a194832-fa5a-4a9b-a222-738e76a525c9_negatedTerseLabel_en-US" xlink:label="lab_bsac_CompensationForCardOperation" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Compensation for card operation</link:label>
    <link:label id="lab_bsac_CompensationForCardOperation_label_en-US" xlink:label="lab_bsac_CompensationForCardOperation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Compensation For Card Operation</link:label>
    <link:label id="lab_bsac_CompensationForCardOperation_documentation_en-US" xlink:label="lab_bsac_CompensationForCardOperation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Compensation for card operation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CompensationForCardOperation" xlink:href="bsac-20251231.xsd#bsac_CompensationForCardOperation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CompensationForCardOperation" xlink:to="lab_bsac_CompensationForCardOperation" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxAssetsOffsetAmount_45804614-2166-46fa-9412-41fe733a5fb7_negatedTerseLabel_en-US" xlink:label="lab_bsac_DeferredTaxAssetsOffsetAmount" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Off-setting</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsOffsetAmount_label_en-US" xlink:label="lab_bsac_DeferredTaxAssetsOffsetAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Offset Amount</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsOffsetAmount_documentation_en-US" xlink:label="lab_bsac_DeferredTaxAssetsOffsetAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Offset Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxAssetsOffsetAmount" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxAssetsOffsetAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxAssetsOffsetAmount" xlink:to="lab_bsac_DeferredTaxAssetsOffsetAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentInformationLineItems_3cf9f9ce-ec47-4be4-8ee4-a9e954aade4b_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Information [Line Items]</link:label>
    <link:label id="lab_dei_DocumentInformationLineItems_label_en-US" xlink:label="lab_dei_DocumentInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Information [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentInformationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationLineItems" xlink:to="lab_dei_DocumentInformationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GuaranteeMarginsForDerivativesTransactionsMember_019c53c8-8f97-7934-a45b-a5c275fbea98_terseLabel_en-US" xlink:label="lab_bsac_GuaranteeMarginsForDerivativesTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantee Margins For Derivatives Transactions</link:label>
    <link:label id="lab_bsac_GuaranteeMarginsForDerivativesTransactionsMember_label_en-US" xlink:label="lab_bsac_GuaranteeMarginsForDerivativesTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantee Margins For Derivatives Transactions [Member]</link:label>
    <link:label id="lab_bsac_GuaranteeMarginsForDerivativesTransactionsMember_documentation_en-US" xlink:label="lab_bsac_GuaranteeMarginsForDerivativesTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Guarantee Margins For Derivatives Transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GuaranteeMarginsForDerivativesTransactionsMember" xlink:href="bsac-20251231.xsd#bsac_GuaranteeMarginsForDerivativesTransactionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GuaranteeMarginsForDerivativesTransactionsMember" xlink:to="lab_bsac_GuaranteeMarginsForDerivativesTransactionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Level3OfFairValueHierarchyMember_64f08003-0986-4800-acea-c1b7deff4b47_terseLabel_en-US" xlink:label="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 3</link:label>
    <link:label id="lab_ifrs-full_Level3OfFairValueHierarchyMember_label_en-US" xlink:label="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Level 3 of fair value hierarchy [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Level3OfFairValueHierarchyMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Level3OfFairValueHierarchyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Level3OfFairValueHierarchyMember" xlink:to="lab_ifrs-full_Level3OfFairValueHierarchyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD151023Member_019b9f4a-4645-70d0-8c5a-e910370dcf98_terseLabel_en-US" xlink:label="lab_bsac_BSTD151023Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD151023</link:label>
    <link:label id="lab_bsac_BSTD151023Member_label_en-US" xlink:label="lab_bsac_BSTD151023Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD151023 [Member]</link:label>
    <link:label id="lab_bsac_BSTD151023Member_documentation_en-US" xlink:label="lab_bsac_BSTD151023Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD151023</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD151023Member" xlink:href="bsac-20251231.xsd#bsac_BSTD151023Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD151023Member" xlink:to="lab_bsac_BSTD151023Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsTable_a92f088c-a331-46a5-961a-a83469875f10_terseLabel_en-US" xlink:label="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Liabilities at Amortised Cost (Details) [Table]</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsTable_label_en-US" xlink:label="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Liabilities at Amortised Cost (Details) [Table]</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsTable_documentation_en-US" xlink:label="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Liabilities at Amortised Cost (Details) [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialLiabilitiesatAmortisedCostDetailsTable" xlink:href="bsac-20251231.xsd#bsac_FinancialLiabilitiesatAmortisedCostDetailsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialLiabilitiesatAmortisedCostDetailsTable" xlink:to="lab_bsac_FinancialLiabilitiesatAmortisedCostDetailsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetChangesOfExposureAndModificationsInCreditRisk_52ec6fac-9735-42c5-9cb7-fb10260b5d6f_verboseLabel_en-US" xlink:label="lab_bsac_NetChangesOfExposureAndModificationsInCreditRisk" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net changes of the exposure and modifications in the credit risk</link:label>
    <link:label id="lab_bsac_NetChangesOfExposureAndModificationsInCreditRisk_label_en-US" xlink:label="lab_bsac_NetChangesOfExposureAndModificationsInCreditRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Changes Of Exposure And Modifications In Credit Risk</link:label>
    <link:label id="lab_bsac_NetChangesOfExposureAndModificationsInCreditRisk_documentation_en-US" xlink:label="lab_bsac_NetChangesOfExposureAndModificationsInCreditRisk" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to net changes of the exposure and modifications in the credit risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetChangesOfExposureAndModificationsInCreditRisk" xlink:href="bsac-20251231.xsd#bsac_NetChangesOfExposureAndModificationsInCreditRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetChangesOfExposureAndModificationsInCreditRisk" xlink:to="lab_bsac_NetChangesOfExposureAndModificationsInCreditRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesStage2Member_5ff2b300-5f60-4381-9cc9-93f3dcfe800a_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesStage2Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stage 2</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesStage2Member_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesStage2Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Stage2 [Member]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesStage2Member_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesStage2Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Stage2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesStage2Member" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesStage2Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesStage2Member" xlink:to="lab_bsac_ExpectedCreditLossesStage2Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CapitalReserve_53a34dd6-f247-436d-ba73-c616cbd6ec35_terseLabel_en-US" xlink:label="lab_ifrs-full_CapitalReserve" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reserves</link:label>
    <link:label id="lab_ifrs-full_CapitalReserve_label_en-US" xlink:label="lab_ifrs-full_CapitalReserve" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital reserve</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CapitalReserve" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CapitalReserve"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CapitalReserve" xlink:to="lab_ifrs-full_CapitalReserve" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DueAfter5YearsMember_1117b458-a316-4481-8c26-aa99900a9122_terseLabel_en-US" xlink:label="lab_bsac_DueAfter5YearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due after 5 years</link:label>
    <link:label id="lab_bsac_DueAfter5YearsMember_label_en-US" xlink:label="lab_bsac_DueAfter5YearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due After5 Years [Member]</link:label>
    <link:label id="lab_bsac_DueAfter5YearsMember_documentation_en-US" xlink:label="lab_bsac_DueAfter5YearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Due After5 Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DueAfter5YearsMember" xlink:href="bsac-20251231.xsd#bsac_DueAfter5YearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DueAfter5YearsMember" xlink:to="lab_bsac_DueAfter5YearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CurrencyOptionRisk_8cecda95-12d2-43b2-aeb2-199bc565e343_terseLabel_en-US" xlink:label="lab_bsac_CurrencyOptionRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency option risk</link:label>
    <link:label id="lab_bsac_CurrencyOptionRisk_label_en-US" xlink:label="lab_bsac_CurrencyOptionRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency Option Risk</link:label>
    <link:label id="lab_bsac_CurrencyOptionRisk_documentation_en-US" xlink:label="lab_bsac_CurrencyOptionRisk" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Currency Option Risk</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CurrencyOptionRisk" xlink:href="bsac-20251231.xsd#bsac_CurrencyOptionRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CurrencyOptionRisk" xlink:to="lab_bsac_CurrencyOptionRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ImpairmentOfRightOfUseAssets_1692b3d7-c782-4a5a-95d5-e83819741921_negatedTerseLabel_en-US" xlink:label="lab_bsac_ImpairmentOfRightOfUseAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Impairment of right of use assets</link:label>
    <link:label id="lab_bsac_ImpairmentOfRightOfUseAssets_label_en-US" xlink:label="lab_bsac_ImpairmentOfRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment Of Right Of Use Assets</link:label>
    <link:label id="lab_bsac_ImpairmentOfRightOfUseAssets_documentation_en-US" xlink:label="lab_bsac_ImpairmentOfRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Impairment of right of use assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ImpairmentOfRightOfUseAssets" xlink:href="bsac-20251231.xsd#bsac_ImpairmentOfRightOfUseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ImpairmentOfRightOfUseAssets" xlink:to="lab_bsac_ImpairmentOfRightOfUseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DueAfterFiveYearsMember_ab1ceb41-7ef0-4c03-a779-fad8c31310f4_verboseLabel_en-US" xlink:label="lab_bsac_DueAfterFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Due after 5 years</link:label>
    <link:label id="lab_bsac_DueAfterFiveYearsMember_label_en-US" xlink:label="lab_bsac_DueAfterFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due After Five Years [Member]</link:label>
    <link:label id="lab_bsac_DueAfterFiveYearsMember_documentation_en-US" xlink:label="lab_bsac_DueAfterFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Due After Five Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DueAfterFiveYearsMember" xlink:href="bsac-20251231.xsd#bsac_DueAfterFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DueAfterFiveYearsMember" xlink:to="lab_bsac_DueAfterFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdministradorFinancieroDelTransantiagoSAMember_53364499-057d-436e-a3d5-fd74923d78dc_terseLabel_en-US" xlink:label="lab_bsac_AdministradorFinancieroDelTransantiagoSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Administrador Financiero del Transantiago S.A.</link:label>
    <link:label id="lab_bsac_AdministradorFinancieroDelTransantiagoSAMember_label_en-US" xlink:label="lab_bsac_AdministradorFinancieroDelTransantiagoSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Administrador Financiero Del Transantiago SA [Member]</link:label>
    <link:label id="lab_bsac_AdministradorFinancieroDelTransantiagoSAMember_documentation_en-US" xlink:label="lab_bsac_AdministradorFinancieroDelTransantiagoSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Administrador Financiero Del Transantiago SA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdministradorFinancieroDelTransantiagoSAMember" xlink:href="bsac-20251231.xsd#bsac_AdministradorFinancieroDelTransantiagoSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdministradorFinancieroDelTransantiagoSAMember" xlink:to="lab_bsac_AdministradorFinancieroDelTransantiagoSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FairValueTransfersFromStage2ToStage1_d0c773a2-9498-45d8-bbac-8367120e36dc_terseLabel_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage2ToStage1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 2 to stage 1</link:label>
    <link:label id="lab_bsac_FairValueTransfersFromStage2ToStage1_label_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage2ToStage1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Transfers From Stage2 To Stage1</link:label>
    <link:label id="lab_bsac_FairValueTransfersFromStage2ToStage1_documentation_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage2ToStage1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of transfers from stage 2 to stage 1.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FairValueTransfersFromStage2ToStage1" xlink:href="bsac-20251231.xsd#bsac_FairValueTransfersFromStage2ToStage1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FairValueTransfersFromStage2ToStage1" xlink:to="lab_bsac_FairValueTransfersFromStage2ToStage1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A1Member_ca066399-f50b-424f-a56c-a73e88c95471_terseLabel_en-US" xlink:label="lab_bsac_A1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">A1</link:label>
    <link:label id="lab_bsac_A1Member_label_en-US" xlink:label="lab_bsac_A1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">A1 [Member]</link:label>
    <link:label id="lab_bsac_A1Member_documentation_en-US" xlink:label="lab_bsac_A1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A1Member" xlink:href="bsac-20251231.xsd#bsac_A1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A1Member" xlink:to="lab_bsac_A1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FairValueTransfersFromStage2ToStage3_d2153ad0-78a1-4f18-ab39-9ae21420d0cc_terseLabel_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage2ToStage3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 2 to stage 3</link:label>
    <link:label id="lab_bsac_FairValueTransfersFromStage2ToStage3_label_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage2ToStage3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Transfers From Stage2 To Stage3</link:label>
    <link:label id="lab_bsac_FairValueTransfersFromStage2ToStage3_documentation_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage2ToStage3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of transfers from stage 2 to stage 3.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FairValueTransfersFromStage2ToStage3" xlink:href="bsac-20251231.xsd#bsac_FairValueTransfersFromStage2ToStage3"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FairValueTransfersFromStage2ToStage3" xlink:to="lab_bsac_FairValueTransfersFromStage2ToStage3" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BancoSantanderSpainMember_46a2bd23-5e03-4c6d-9ca6-b4d63d9cb03a_terseLabel_en-US" xlink:label="lab_bsac_BancoSantanderSpainMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Banco Santander Spain</link:label>
    <link:label id="lab_bsac_BancoSantanderSpainMember_label_en-US" xlink:label="lab_bsac_BancoSantanderSpainMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banco Santander Spain [Member]</link:label>
    <link:label id="lab_bsac_BancoSantanderSpainMember_documentation_en-US" xlink:label="lab_bsac_BancoSantanderSpainMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banco Santander Spain</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BancoSantanderSpainMember" xlink:href="bsac-20251231.xsd#bsac_BancoSantanderSpainMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BancoSantanderSpainMember" xlink:to="lab_bsac_BancoSantanderSpainMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FairValueHedgesMember_a77e9e24-5247-42a3-8aaa-d3319fb6b12b_terseLabel_en-US" xlink:label="lab_ifrs-full_FairValueHedgesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value hedge derivatives</link:label>
    <link:label id="lab_ifrs-full_FairValueHedgesMember_label_en-US" xlink:label="lab_ifrs-full_FairValueHedgesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair value hedges [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FairValueHedgesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FairValueHedgesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FairValueHedgesMember" xlink:to="lab_ifrs-full_FairValueHedgesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_November2024SeniorUSDMember_789a4460-ded6-4c4f-9ec1-d78cc16c469d_terseLabel_en-US" xlink:label="lab_bsac_November2024SeniorUSDMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">November 2024, Senior, USD</link:label>
    <link:label id="lab_bsac_November2024SeniorUSDMember_label_en-US" xlink:label="lab_bsac_November2024SeniorUSDMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">November 2024, Senior, USD [Member]</link:label>
    <link:label id="lab_bsac_November2024SeniorUSDMember_documentation_en-US" xlink:label="lab_bsac_November2024SeniorUSDMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">November 2024, Senior, USD</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_November2024SeniorUSDMember" xlink:href="bsac-20251231.xsd#bsac_November2024SeniorUSDMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_November2024SeniorUSDMember" xlink:to="lab_bsac_November2024SeniorUSDMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AccumulatedImpairmentMember_a3cfdc3c-c7e2-4e2f-8a7f-0fffbc0455e5_terseLabel_en-US" xlink:label="lab_ifrs-full_AccumulatedImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment on debt financial instruments</link:label>
    <link:label id="lab_ifrs-full_AccumulatedImpairmentMember_label_en-US" xlink:label="lab_ifrs-full_AccumulatedImpairmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated impairment [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AccumulatedImpairmentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AccumulatedImpairmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AccumulatedImpairmentMember" xlink:to="lab_ifrs-full_AccumulatedImpairmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PagoNXTPaymentsChileSpAMember_019c6d68-046e-7e63-8d15-606284b28407_terseLabel_en-US" xlink:label="lab_bsac_PagoNXTPaymentsChileSpAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PagoNXT Payments Chile SpA</link:label>
    <link:label id="lab_bsac_PagoNXTPaymentsChileSpAMember_label_en-US" xlink:label="lab_bsac_PagoNXTPaymentsChileSpAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PagoNXT Payments Chile SpA [Member]</link:label>
    <link:label id="lab_bsac_PagoNXTPaymentsChileSpAMember_documentation_en-US" xlink:label="lab_bsac_PagoNXTPaymentsChileSpAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">PagoNXT Payments Chile SpA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PagoNXTPaymentsChileSpAMember" xlink:href="bsac-20251231.xsd#bsac_PagoNXTPaymentsChileSpAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PagoNXTPaymentsChileSpAMember" xlink:to="lab_bsac_PagoNXTPaymentsChileSpAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LetterOfCreditsOfMerchandiseTrafficOperations_6bc17b87-59fb-42d0-815f-54980aa7f748_terseLabel_en-US" xlink:label="lab_bsac_LetterOfCreditsOfMerchandiseTrafficOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Letter of credits of merchandise traffic operations</link:label>
    <link:label id="lab_bsac_LetterOfCreditsOfMerchandiseTrafficOperations_label_en-US" xlink:label="lab_bsac_LetterOfCreditsOfMerchandiseTrafficOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letter Of Credits Of Merchandise Traffic Operations</link:label>
    <link:label id="lab_bsac_LetterOfCreditsOfMerchandiseTrafficOperations_documentation_en-US" xlink:label="lab_bsac_LetterOfCreditsOfMerchandiseTrafficOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Letter of credits of merchandise traffic operations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LetterOfCreditsOfMerchandiseTrafficOperations" xlink:href="bsac-20251231.xsd#bsac_LetterOfCreditsOfMerchandiseTrafficOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LetterOfCreditsOfMerchandiseTrafficOperations" xlink:to="lab_bsac_LetterOfCreditsOfMerchandiseTrafficOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfEntityRevenue_f7a66fda-ea4e-4c05-8960-014e2839072e_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfEntityRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue of operating segments, percentage</link:label>
    <link:label id="lab_bsac_PercentageOfEntityRevenue_label_en-US" xlink:label="lab_bsac_PercentageOfEntityRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Entity Revenue</link:label>
    <link:label id="lab_bsac_PercentageOfEntityRevenue_documentation_en-US" xlink:label="lab_bsac_PercentageOfEntityRevenue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of the entity's revenue. [Refer: Revenue]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfEntityRevenue" xlink:href="bsac-20251231.xsd#bsac_PercentageOfEntityRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfEntityRevenue" xlink:to="lab_bsac_PercentageOfEntityRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShareFromDiscontinuedOperations_21d5fc26-eda4-4b4b-8c8b-c7759c7cfae4_terseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShareFromDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic earnings per share from discontinued operations (in Pesos per share)</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShareFromDiscontinuedOperations_label_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShareFromDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basic earnings (loss) per share from discontinued operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicEarningsLossPerShareFromDiscontinuedOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BasicEarningsLossPerShareFromDiscontinuedOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicEarningsLossPerShareFromDiscontinuedOperations" xlink:to="lab_ifrs-full_BasicEarningsLossPerShareFromDiscontinuedOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BPresentValueOfObligationsAbstract_ef19279b-68c1-4c76-b328-c4c301394436_terseLabel_en-US" xlink:label="lab_bsac_BPresentValueOfObligationsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">b) Present value of obligations</link:label>
    <link:label id="lab_bsac_BPresentValueOfObligationsAbstract_label_en-US" xlink:label="lab_bsac_BPresentValueOfObligationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BPresent Value Of Obligations Abstract</link:label>
    <link:label id="lab_bsac_BPresentValueOfObligationsAbstract_documentation_en-US" xlink:label="lab_bsac_BPresentValueOfObligationsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BPresent Value Of Obligations Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BPresentValueOfObligationsAbstract" xlink:href="bsac-20251231.xsd#bsac_BPresentValueOfObligationsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BPresentValueOfObligationsAbstract" xlink:to="lab_bsac_BPresentValueOfObligationsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LettersOfCredit_6a6f88cd-e517-4349-bd65-a2c8a9fe6bf7_terseLabel_en-US" xlink:label="lab_bsac_LettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Letters of credit</link:label>
    <link:label id="lab_bsac_LettersOfCredit_label_en-US" xlink:label="lab_bsac_LettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letters Of Credit</link:label>
    <link:label id="lab_bsac_LettersOfCredit_documentation_en-US" xlink:label="lab_bsac_LettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Letters Of Credit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LettersOfCredit" xlink:href="bsac-20251231.xsd#bsac_LettersOfCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LettersOfCredit" xlink:to="lab_bsac_LettersOfCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsAxis_2f5f26d0-a71e-4405-82b7-388ca2a280b5_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial assets [axis]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsAxis_4134f404-fa8e-4272-837e-1edf56d8ebf3_verboseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial assets [axis]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialAssetsAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial assets [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:to="lab_ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FeesAndCommissionsForGuaranteesAndLettersOfCredit_434459c0-92ca-4061-95b1-c663748fbf36_terseLabel_en-US" xlink:label="lab_bsac_FeesAndCommissionsForGuaranteesAndLettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fees and commissions for guarantees and letters of credit</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForGuaranteesAndLettersOfCredit_label_en-US" xlink:label="lab_bsac_FeesAndCommissionsForGuaranteesAndLettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees And Commissions For Guarantees And Letters Of Credit</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForGuaranteesAndLettersOfCredit_documentation_en-US" xlink:label="lab_bsac_FeesAndCommissionsForGuaranteesAndLettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of income recognised from guarantees and letter of credit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FeesAndCommissionsForGuaranteesAndLettersOfCredit" xlink:href="bsac-20251231.xsd#bsac_FeesAndCommissionsForGuaranteesAndLettersOfCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FeesAndCommissionsForGuaranteesAndLettersOfCredit" xlink:to="lab_bsac_FeesAndCommissionsForGuaranteesAndLettersOfCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfSubsidiariesTable_31b1e9ca-b543-4fac-b6e9-6197c25f416b_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfSubsidiariesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Subsidiaries [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfSubsidiariesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfSubsidiariesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Subsidiaries [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfSubsidiariesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfSubsidiariesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Subsidiaries [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfSubsidiariesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfSubsidiariesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfSubsidiariesTable" xlink:to="lab_bsac_ScheduleOfSubsidiariesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommercialsLoanMember_398a6c62-9e0e-4fa7-ab41-ea6faf9fd9d7_terseLabel_en-US" xlink:label="lab_bsac_CommercialsLoanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial loans</link:label>
    <link:label id="lab_bsac_CommercialsLoanMember_label_en-US" xlink:label="lab_bsac_CommercialsLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercials Loan [Member]</link:label>
    <link:label id="lab_bsac_CommercialsLoanMember_documentation_en-US" xlink:label="lab_bsac_CommercialsLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercials Loan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommercialsLoanMember" xlink:href="bsac-20251231.xsd#bsac_CommercialsLoanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommercialsLoanMember" xlink:to="lab_bsac_CommercialsLoanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LeverageIndicatorMinimumRequirement_2ce745bc-a439-4a26-9c67-bf23b53148f1_terseLabel_en-US" xlink:label="lab_bsac_LeverageIndicatorMinimumRequirement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leverage indicator that the bank must meet, considering the minimum requirements</link:label>
    <link:label id="lab_bsac_LeverageIndicatorMinimumRequirement_label_en-US" xlink:label="lab_bsac_LeverageIndicatorMinimumRequirement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leverage Indicator Minimum Requirement</link:label>
    <link:label id="lab_bsac_LeverageIndicatorMinimumRequirement_documentation_en-US" xlink:label="lab_bsac_LeverageIndicatorMinimumRequirement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of leverage indicator that the bank must meet, considering the minimum requirements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LeverageIndicatorMinimumRequirement" xlink:href="bsac-20251231.xsd#bsac_LeverageIndicatorMinimumRequirement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LeverageIndicatorMinimumRequirement" xlink:to="lab_bsac_LeverageIndicatorMinimumRequirement" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncomeFromAssetsReceivedInLieuOfPayment_674a2640-7e8b-4a52-9641-9923d9462dfb_terseLabel_en-US" xlink:label="lab_bsac_IncomeFromAssetsReceivedInLieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income from assets received in lieu of payment</link:label>
    <link:label id="lab_bsac_IncomeFromAssetsReceivedInLieuOfPayment_label_en-US" xlink:label="lab_bsac_IncomeFromAssetsReceivedInLieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income From Assets Received In Lieu Of Payment</link:label>
    <link:label id="lab_bsac_IncomeFromAssetsReceivedInLieuOfPayment_documentation_en-US" xlink:label="lab_bsac_IncomeFromAssetsReceivedInLieuOfPayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of income from assets received in lieu of payment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncomeFromAssetsReceivedInLieuOfPayment" xlink:href="bsac-20251231.xsd#bsac_IncomeFromAssetsReceivedInLieuOfPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncomeFromAssetsReceivedInLieuOfPayment" xlink:to="lab_bsac_IncomeFromAssetsReceivedInLieuOfPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredTable_91f29265-5e08-48ec-9846-a3e11d2a9bd9_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Residual Maturity Over Measured that have not Expired [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredTable_label_en-US" xlink:label="lab_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Residual Maturity Over Measured that have not Expired [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Residual Maturity Over Measured that have not Expired [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredTable" xlink:to="lab_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DresdnerBankFrankfurtMember_50212235-da6e-4a66-906a-e71264b0bade_terseLabel_en-US" xlink:label="lab_bsac_DresdnerBankFrankfurtMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dresdner Bank Frankfurt</link:label>
    <link:label id="lab_bsac_DresdnerBankFrankfurtMember_label_en-US" xlink:label="lab_bsac_DresdnerBankFrankfurtMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dresdner Bank Frankfurt [Member]</link:label>
    <link:label id="lab_bsac_DresdnerBankFrankfurtMember_documentation_en-US" xlink:label="lab_bsac_DresdnerBankFrankfurtMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Dresdner Bank Frankfurt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DresdnerBankFrankfurtMember" xlink:href="bsac-20251231.xsd#bsac_DresdnerBankFrankfurtMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DresdnerBankFrankfurtMember" xlink:to="lab_bsac_DresdnerBankFrankfurtMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_7a0b47d0-5c83-49ba-8dac-f644c128cacd_totalLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total deferred tax assets recognised through other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax relating to components of other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:to="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OthersMember_2594e2a0-75de-4a40-ad5f-008edc5e7846_terseLabel_en-US" xlink:label="lab_bsac_OthersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_bsac_OthersMember_label_en-US" xlink:label="lab_bsac_OthersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Others [Member]</link:label>
    <link:label id="lab_bsac_OthersMember_documentation_en-US" xlink:label="lab_bsac_OthersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OthersMember" xlink:href="bsac-20251231.xsd#bsac_OthersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OthersMember" xlink:to="lab_bsac_OthersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ValuationAdjustmentsCashFlowHedgeMember_019c588c-9a65-7b5b-a3ab-1beb7e66c95c_terseLabel_en-US" xlink:label="lab_bsac_ValuationAdjustmentsCashFlowHedgeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flow hedge</link:label>
    <link:label id="lab_bsac_ValuationAdjustmentsCashFlowHedgeMember_label_en-US" xlink:label="lab_bsac_ValuationAdjustmentsCashFlowHedgeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Valuation Adjustments, Cash Flow Hedge [Member]</link:label>
    <link:label id="lab_bsac_ValuationAdjustmentsCashFlowHedgeMember_documentation_en-US" xlink:label="lab_bsac_ValuationAdjustmentsCashFlowHedgeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Valuation Adjustments, Cash Flow Hedge</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ValuationAdjustmentsCashFlowHedgeMember" xlink:href="bsac-20251231.xsd#bsac_ValuationAdjustmentsCashFlowHedgeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ValuationAdjustmentsCashFlowHedgeMember" xlink:to="lab_bsac_ValuationAdjustmentsCashFlowHedgeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NewIssuances_871b1419-a295-4c68-a18e-dc37c0485500_terseLabel_en-US" xlink:label="lab_bsac_NewIssuances" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New issuances</link:label>
    <link:label id="lab_bsac_NewIssuances_label_en-US" xlink:label="lab_bsac_NewIssuances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Issuances</link:label>
    <link:label id="lab_bsac_NewIssuances_documentation_en-US" xlink:label="lab_bsac_NewIssuances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A new issue refers to a stock or bond offering that is made for the first time. Most new issues come from privately held companies that become public, presenting investors with new opportunities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NewIssuances" xlink:href="bsac-20251231.xsd#bsac_NewIssuances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NewIssuances" xlink:to="lab_bsac_NewIssuances" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherEquity_88f55fe4-c685-47d7-8614-504c1a27e7a1_totalLabel_en-US" xlink:label="lab_bsac_OtherEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">= (18+24) Equity Tier 1</link:label>
    <link:label id="lab_bsac_OtherEquity_label_en-US" xlink:label="lab_bsac_OtherEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Equity</link:label>
    <link:label id="lab_bsac_OtherEquity_documentation_en-US" xlink:label="lab_bsac_OtherEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Value of other equity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherEquity" xlink:href="bsac-20251231.xsd#bsac_OtherEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherEquity" xlink:to="lab_bsac_OtherEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InsurancePayments_a6945fb8-77d3-4c38-a7a3-f2cbb9a928a5_negatedTerseLabel_en-US" xlink:label="lab_bsac_InsurancePayments" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Insurance payments</link:label>
    <link:label id="lab_bsac_InsurancePayments_label_en-US" xlink:label="lab_bsac_InsurancePayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Insurance Payments</link:label>
    <link:label id="lab_bsac_InsurancePayments_documentation_en-US" xlink:label="lab_bsac_InsurancePayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about insurance payments.</link:label>
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    <link:label id="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments1_documentation_en-US" xlink:label="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transfers to stage 3.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments1" xlink:href="bsac-20251231.xsd#bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments1" xlink:to="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LieuOfPaymentAllowance_d801003c-fcc3-43aa-8f29-a674fc455b2d_terseLabel_en-US" xlink:label="lab_bsac_LieuOfPaymentAllowance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lieu of payment, allowance (in Pesos)</link:label>
    <link:label id="lab_bsac_LieuOfPaymentAllowance_label_en-US" xlink:label="lab_bsac_LieuOfPaymentAllowance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lieu Of Payment Allowance</link:label>
    <link:label id="lab_bsac_LieuOfPaymentAllowance_documentation_en-US" xlink:label="lab_bsac_LieuOfPaymentAllowance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">lieu of payment allowance.</link:label>
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    <link:label id="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments3_a032a365-5b94-4988-906b-3d78558739f1_terseLabel_en-US" xlink:label="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 2 to stage 1</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments3" xlink:href="bsac-20251231.xsd#bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments3"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments3" xlink:to="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments3" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments2_4300d5b8-c679-433d-93f9-4d714cdbb2fa_terseLabel_en-US" xlink:label="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 2 to stage 3</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments2_label_en-US" xlink:label="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease Through Transfers Expected Credit Losses Allowances Contingent Liabilities And Loan Commitments2</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments2_documentation_en-US" xlink:label="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in expected credit losses allowances resulting from transfers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments2" xlink:href="bsac-20251231.xsd#bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments2" xlink:to="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments2" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments5_2cd6139d-891b-418d-bc3e-261f43549bfe_terseLabel_en-US" xlink:label="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 3 to stage 1</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments5_label_en-US" xlink:label="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease Through Transfers Expected Credit Losses Allowances Contingent Liabilities And Loan Commitments5</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments5_documentation_en-US" xlink:label="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in expected credit losses allowances resulting from transfers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments5" xlink:href="bsac-20251231.xsd#bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments5"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments5" xlink:to="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments5" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments4_79a875c9-7d93-4615-993b-f49281d1ee5b_terseLabel_en-US" xlink:label="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 3 to stage 2</link:label>
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    <link:label id="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments4_documentation_en-US" xlink:label="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in expected credit losses allowances resulting from transfers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments4" xlink:href="bsac-20251231.xsd#bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments4"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments4" xlink:to="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments4" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesOthersAssessedMember_e8177e36-5762-4354-ae62-9ab0675f2920_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesOthersAssessedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others commercial</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesOthersAssessedMember_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesOthersAssessedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Others Assessed [Member]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesOthersAssessedMember_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesOthersAssessedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Others Assessed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesOthersAssessedMember" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesOthersAssessedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesOthersAssessedMember" xlink:to="lab_bsac_ExpectedCreditLossesOthersAssessedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTable_aba68841-5a4c-4868-a842-f447cfd37091_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Portfolio of Financial Assets Derivative Contracts [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Portfolio of Financial Assets Derivative Contracts [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Portfolio of Financial Assets Derivative Contracts [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTable" xlink:to="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfTheCompositionOfTheRightOfUseAssetsTableTextBlockTableTextBlock_94912bd9-0b76-46df-8f39-1c1433f0848e_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfTheCompositionOfTheRightOfUseAssetsTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Composition of the Right of Use Assets</link:label>
    <link:label id="lab_bsac_ScheduleOfTheCompositionOfTheRightOfUseAssetsTableTextBlockTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfTheCompositionOfTheRightOfUseAssetsTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of The Composition Of The Right Of Use Assets Table Text Block [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfTheCompositionOfTheRightOfUseAssetsTableTextBlockTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfTheCompositionOfTheRightOfUseAssetsTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of The Composition Of The Right Of Use Assets Table Text Block</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfTheCompositionOfTheRightOfUseAssetsTableTextBlockTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfTheCompositionOfTheRightOfUseAssetsTableTextBlockTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfTheCompositionOfTheRightOfUseAssetsTableTextBlockTableTextBlock" xlink:to="lab_bsac_ScheduleOfTheCompositionOfTheRightOfUseAssetsTableTextBlockTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EffectiveEquityIndicator_9df9b6b7-75af-4c4e-b118-5c838d25c3e0_terseLabel_en-US" xlink:label="lab_bsac_EffectiveEquityIndicator" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective equity indicator that the bank must meet, considering the charge for article 35 bis, if applicable</link:label>
    <link:label id="lab_bsac_EffectiveEquityIndicator_label_en-US" xlink:label="lab_bsac_EffectiveEquityIndicator" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Equity Indicator</link:label>
    <link:label id="lab_bsac_EffectiveEquityIndicator_documentation_en-US" xlink:label="lab_bsac_EffectiveEquityIndicator" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of effective equity indicator that the bank must meet, considering the charge for article 35 bis, if applicable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EffectiveEquityIndicator" xlink:href="bsac-20251231.xsd#bsac_EffectiveEquityIndicator"/>
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    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_3f934831-7405-4d30-965d-04dc5019d7ed_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for earnings per share [text block]</link:label>
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    <link:label id="lab_bsac_AdjustmentForFeesAndCommissionsPaid_79c7bc7d-dc5c-4d5b-8229-b42eff200673_negatedLabel_en-US" xlink:label="lab_bsac_AdjustmentForFeesAndCommissionsPaid" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Fees and commissions paid</link:label>
    <link:label id="lab_bsac_AdjustmentForFeesAndCommissionsPaid_label_en-US" xlink:label="lab_bsac_AdjustmentForFeesAndCommissionsPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment For Fees And Commissions Paid</link:label>
    <link:label id="lab_bsac_AdjustmentForFeesAndCommissionsPaid_documentation_en-US" xlink:label="lab_bsac_AdjustmentForFeesAndCommissionsPaid" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustment for fees and commissions paid.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentForFeesAndCommissionsPaid" xlink:href="bsac-20251231.xsd#bsac_AdjustmentForFeesAndCommissionsPaid"/>
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    <link:label id="lab_ifrs-full_OtherNoncurrentFinancialLiabilities_a8c073f9-d514-4715-aedf-a200d347b678_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-current portion subtotal</link:label>
    <link:label id="lab_ifrs-full_OtherNoncurrentFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other non-current financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherNoncurrentFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:to="lab_ifrs-full_OtherNoncurrentFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HedgedItemDemand_a6082bc9-fa46-402b-ae31-e2c236a876c6_terseLabel_en-US" xlink:label="lab_bsac_HedgedItemDemand" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate risk</link:label>
    <link:label id="lab_bsac_HedgedItemDemand_label_en-US" xlink:label="lab_bsac_HedgedItemDemand" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedged Item Demand</link:label>
    <link:label id="lab_bsac_HedgedItemDemand_documentation_en-US" xlink:label="lab_bsac_HedgedItemDemand" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hedged Item Demand</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HedgedItemDemand" xlink:href="bsac-20251231.xsd#bsac_HedgedItemDemand"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HedgedItemDemand" xlink:to="lab_bsac_HedgedItemDemand" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DepreciationExpenses_576f60c5-a9a2-482e-9e4b-8fb0c11d7634_negatedTerseLabel_en-US" xlink:label="lab_bsac_DepreciationExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Depreciation of property, plant, and equipment</link:label>
    <link:label id="lab_bsac_DepreciationExpenses_label_en-US" xlink:label="lab_bsac_DepreciationExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation Expenses</link:label>
    <link:label id="lab_bsac_DepreciationExpenses_documentation_en-US" xlink:label="lab_bsac_DepreciationExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of depreciation expense. Depreciation is the systematic allocation of depreciable amounts of tangible assets over their useful lives.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DepreciationExpenses" xlink:href="bsac-20251231.xsd#bsac_DepreciationExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DepreciationExpenses" xlink:to="lab_bsac_DepreciationExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfNotionalAmountOfTheHedgedLineItems_5bfe6e99-822a-4afb-a6a6-19570268e5d8_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfNotionalAmountOfTheHedgedLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Notional Amount of the Hedged [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfNotionalAmountOfTheHedgedLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfNotionalAmountOfTheHedgedLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Notional Amount of the Hedged [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfNotionalAmountOfTheHedgedLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfNotionalAmountOfTheHedgedLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Notional Amount of the Hedged [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfNotionalAmountOfTheHedgedLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfNotionalAmountOfTheHedgedLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfNotionalAmountOfTheHedgedLineItems" xlink:to="lab_bsac_ScheduleOfNotionalAmountOfTheHedgedLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdditionalTier1CapitalAT1_9c479c9e-55ad-485f-a29c-42c987607855_totalLabel_en-US" xlink:label="lab_bsac_AdditionalTier1CapitalAT1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">= (19+20+21+22-23) Additional Tier 1 Capital (AT1)</link:label>
    <link:label id="lab_bsac_AdditionalTier1CapitalAT1_label_en-US" xlink:label="lab_bsac_AdditionalTier1CapitalAT1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Tier1 Capital AT1</link:label>
    <link:label id="lab_bsac_AdditionalTier1CapitalAT1_documentation_en-US" xlink:label="lab_bsac_AdditionalTier1CapitalAT1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of additional tier 1 capital.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdditionalTier1CapitalAT1" xlink:href="bsac-20251231.xsd#bsac_AdditionalTier1CapitalAT1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdditionalTier1CapitalAT1" xlink:to="lab_bsac_AdditionalTier1CapitalAT1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BaseScenarioMember_1bba8758-442e-4173-954d-5d63049482a7_terseLabel_en-US" xlink:label="lab_bsac_BaseScenarioMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Base scenario</link:label>
    <link:label id="lab_bsac_BaseScenarioMember_label_en-US" xlink:label="lab_bsac_BaseScenarioMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Base Scenario [Member]</link:label>
    <link:label id="lab_bsac_BaseScenarioMember_documentation_en-US" xlink:label="lab_bsac_BaseScenarioMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for base scenario.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BaseScenarioMember" xlink:href="bsac-20251231.xsd#bsac_BaseScenarioMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BaseScenarioMember" xlink:to="lab_bsac_BaseScenarioMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialLiabilitiesForTradingAtFVTPLMember_73d0beb4-3a33-4b27-a72e-2c363c0ce420_terseLabel_en-US" xlink:label="lab_bsac_FinancialLiabilitiesForTradingAtFVTPLMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities for trading at FVTPL</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesForTradingAtFVTPLMember_label_en-US" xlink:label="lab_bsac_FinancialLiabilitiesForTradingAtFVTPLMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Liabilities For Trading At FVTPL [Member]</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesForTradingAtFVTPLMember_documentation_en-US" xlink:label="lab_bsac_FinancialLiabilitiesForTradingAtFVTPLMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Liabilities For Trading At FVTPL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialLiabilitiesForTradingAtFVTPLMember" xlink:href="bsac-20251231.xsd#bsac_FinancialLiabilitiesForTradingAtFVTPLMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialLiabilitiesForTradingAtFVTPLMember" xlink:to="lab_bsac_FinancialLiabilitiesForTradingAtFVTPLMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ClassesOfFinancialAssetsPortfolioDomainDomain_43cd2985-c436-4337-b84c-060ae2d1b3d4_terseLabel_en-US" xlink:label="lab_bsac_ClassesOfFinancialAssetsPortfolioDomainDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ClassesOfFinancialAssetsPortfolioDomain [Domain]</link:label>
    <link:label id="lab_bsac_ClassesOfFinancialAssetsPortfolioDomainDomain_label_en-US" xlink:label="lab_bsac_ClassesOfFinancialAssetsPortfolioDomainDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ClassesOfFinancialAssetsPortfolioDomain [Domain]</link:label>
    <link:label id="lab_bsac_ClassesOfFinancialAssetsPortfolioDomainDomain_documentation_en-US" xlink:label="lab_bsac_ClassesOfFinancialAssetsPortfolioDomainDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ClassesOfFinancialAssetsPortfolioDomain [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ClassesOfFinancialAssetsPortfolioDomainDomain" xlink:href="bsac-20251231.xsd#bsac_ClassesOfFinancialAssetsPortfolioDomainDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ClassesOfFinancialAssetsPortfolioDomainDomain" xlink:to="lab_bsac_ClassesOfFinancialAssetsPortfolioDomainDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorName_0cfc581b-ab9b-409e-9e05-8ccb9cb91ca4_terseLabel_en-US" xlink:label="lab_dei_AuditorName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditor Name</link:label>
    <link:label id="lab_dei_AuditorName_label_en-US" xlink:label="lab_dei_AuditorName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorName" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorName" xlink:to="lab_dei_AuditorName" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ResultOfContinuousOperations_e58ddc1b-6d64-47ef-80e3-65ecafe4abad_terseLabel_en-US" xlink:label="lab_bsac_ResultOfContinuousOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Result of continuous operations</link:label>
    <link:label id="lab_bsac_ResultOfContinuousOperations_label_en-US" xlink:label="lab_bsac_ResultOfContinuousOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Result Of Continuous Operations</link:label>
    <link:label id="lab_bsac_ResultOfContinuousOperations_documentation_en-US" xlink:label="lab_bsac_ResultOfContinuousOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of result of continuous operations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ResultOfContinuousOperations" xlink:href="bsac-20251231.xsd#bsac_ResultOfContinuousOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ResultOfContinuousOperations" xlink:to="lab_bsac_ResultOfContinuousOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentFinancialAssets_39976dd5-e5a2-4038-b280-695f384eb9ba_totalLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Financial assets at amortised cost</link:label>
    <link:label id="lab_ifrs-full_NoncurrentFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_NoncurrentFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentFinancialAssets" xlink:to="lab_ifrs-full_NoncurrentFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AirConditioningSystemsMember_9fecfea7-3fe0-4ac7-a8bd-918588c23f7b_terseLabel_en-US" xlink:label="lab_bsac_AirConditioningSystemsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Air conditioning systems</link:label>
    <link:label id="lab_bsac_AirConditioningSystemsMember_label_en-US" xlink:label="lab_bsac_AirConditioningSystemsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Air Conditioning Systems [Member]</link:label>
    <link:label id="lab_bsac_AirConditioningSystemsMember_documentation_en-US" xlink:label="lab_bsac_AirConditioningSystemsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Air Conditioning Systems</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AirConditioningSystemsMember" xlink:href="bsac-20251231.xsd#bsac_AirConditioningSystemsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AirConditioningSystemsMember" xlink:to="lab_bsac_AirConditioningSystemsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A6Member_9468983f-97f2-41a7-91bc-53a21388cd06_terseLabel_en-US" xlink:label="lab_bsac_A6Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">A6</link:label>
    <link:label id="lab_bsac_A6Member_label_en-US" xlink:label="lab_bsac_A6Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">A6 [Member]</link:label>
    <link:label id="lab_bsac_A6Member_documentation_en-US" xlink:label="lab_bsac_A6Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A6</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A6Member" xlink:href="bsac-20251231.xsd#bsac_A6Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A6Member" xlink:to="lab_bsac_A6Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsTable_a50298a4-d7b4-48ce-8d31-7d6c7a574347_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Bank Holds Portfolio of Derivative Instruments [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Bank Holds Portfolio of Derivative Instruments [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Bank Holds Portfolio of Derivative Instruments [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsTable" xlink:to="lab_bsac_ScheduleOfBankHoldsPortfolioOfDerivativeInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PerpetualBondsAttributedToAdditionalCapitalLevel_30473d54-78f5-4542-b965-9ea3a4760a3c_terseLabel_en-US" xlink:label="lab_bsac_PerpetualBondsAttributedToAdditionalCapitalLevel" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Perpetual bonds attributed to additional capital level 1 (AT1)</link:label>
    <link:label id="lab_bsac_PerpetualBondsAttributedToAdditionalCapitalLevel_label_en-US" xlink:label="lab_bsac_PerpetualBondsAttributedToAdditionalCapitalLevel" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Perpetual Bonds Attributed To Additional Capital Level</link:label>
    <link:label id="lab_bsac_PerpetualBondsAttributedToAdditionalCapitalLevel_documentation_en-US" xlink:label="lab_bsac_PerpetualBondsAttributedToAdditionalCapitalLevel" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of perpetual bonds attributed to additional capital level.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PerpetualBondsAttributedToAdditionalCapitalLevel" xlink:href="bsac-20251231.xsd#bsac_PerpetualBondsAttributedToAdditionalCapitalLevel"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PerpetualBondsAttributedToAdditionalCapitalLevel" xlink:to="lab_bsac_PerpetualBondsAttributedToAdditionalCapitalLevel" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossAbstract_61e14f4d-4a8c-4da0-bc93-aaf81e269a60_terseLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax assets</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossAbstract_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossAbstract" xlink:to="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForBasisOfConsolidationExplanatoryPolicyTextBlock_1f2411a7-6efe-4a28-a49b-b6c7f09c175e_terseLabel_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForBasisOfConsolidationExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of preparation for the Consolidated Financial Statements</link:label>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForBasisOfConsolidationExplanatoryPolicyTextBlock_label_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForBasisOfConsolidationExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Basis Of Consolidation Explanatory [Policy Text Block]</link:label>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForBasisOfConsolidationExplanatoryPolicyTextBlock_documentation_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForBasisOfConsolidationExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The description of the entity's accounting policy for basis of consolidation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DescriptionOfAccountingPolicyForBasisOfConsolidationExplanatoryPolicyTextBlock" xlink:href="bsac-20251231.xsd#bsac_DescriptionOfAccountingPolicyForBasisOfConsolidationExplanatoryPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DescriptionOfAccountingPolicyForBasisOfConsolidationExplanatoryPolicyTextBlock" xlink:to="lab_bsac_DescriptionOfAccountingPolicyForBasisOfConsolidationExplanatoryPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncomeStatementAbstract_5b59bc44-2a2b-4e4a-aed2-130061c74195_terseLabel_en-US" xlink:label="lab_ifrs-full_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profit or loss [abstract]</link:label>
    <link:label id="lab_ifrs-full_IncomeStatementAbstract_label_en-US" xlink:label="lab_ifrs-full_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit or loss [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeStatementAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeStatementAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncomeStatementAbstract" xlink:to="lab_ifrs-full_IncomeStatementAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionsForCardServices_7134f669-95a4-4c92-92cc-9b24e3745995_terseLabel_en-US" xlink:label="lab_bsac_CommissionsForCardServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commissions for card services</link:label>
    <link:label id="lab_bsac_CommissionsForCardServices_label_en-US" xlink:label="lab_bsac_CommissionsForCardServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commissions For Card Services</link:label>
    <link:label id="lab_bsac_CommissionsForCardServices_documentation_en-US" xlink:label="lab_bsac_CommissionsForCardServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of income recognised from card services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionsForCardServices" xlink:href="bsac-20251231.xsd#bsac_CommissionsForCardServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionsForCardServices" xlink:to="lab_bsac_CommissionsForCardServices" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfDiscountRates_d88a021a-f6e2-4fff-9b80-dc6e96b0617f_terseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfDiscountRates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Termination of contract rates</link:label>
    <link:label id="lab_ifrs-full_ActuarialAssumptionOfDiscountRates_label_en-US" xlink:label="lab_ifrs-full_ActuarialAssumptionOfDiscountRates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Actuarial assumption of discount rates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialAssumptionOfDiscountRates" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ActuarialAssumptionOfDiscountRates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialAssumptionOfDiscountRates" xlink:to="lab_ifrs-full_ActuarialAssumptionOfDiscountRates" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TaiwanCooperativeBankLtdMember_019b31ef-57b0-7c4a-9bea-3f77560c8ea6_terseLabel_en-US" xlink:label="lab_bsac_TaiwanCooperativeBankLtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Taiwan Cooperative Bank Ltd</link:label>
    <link:label id="lab_bsac_TaiwanCooperativeBankLtdMember_label_en-US" xlink:label="lab_bsac_TaiwanCooperativeBankLtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Taiwan Cooperative Bank Ltd [Member]</link:label>
    <link:label id="lab_bsac_TaiwanCooperativeBankLtdMember_documentation_en-US" xlink:label="lab_bsac_TaiwanCooperativeBankLtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Taiwan Cooperative Bank Ltd</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TaiwanCooperativeBankLtdMember" xlink:href="bsac-20251231.xsd#bsac_TaiwanCooperativeBankLtdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TaiwanCooperativeBankLtdMember" xlink:to="lab_bsac_TaiwanCooperativeBankLtdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LandMember_8e3167b0-cd37-46de-b35e-9a59c1a95928_verboseLabel_en-US" xlink:label="lab_ifrs-full_LandMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Land</link:label>
    <link:label id="lab_ifrs-full_LandMember_label_en-US" xlink:label="lab_ifrs-full_LandMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LandMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LandMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LandMember" xlink:to="lab_ifrs-full_LandMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_WeightedAverageShares_5a60d660-aea3-4c94-b137-e343645a96de_terseLabel_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average number of outstanding shares (in Shares)</link:label>
    <link:label id="lab_ifrs-full_WeightedAverageShares_label_en-US" xlink:label="lab_ifrs-full_WeightedAverageShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted average number of ordinary shares used in calculating basic earnings per share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_WeightedAverageShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_WeightedAverageShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_WeightedAverageShares" xlink:to="lab_ifrs-full_WeightedAverageShares" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaximumExposureToLossFromContinuingInvolvement_80e3f055-df5a-4e6e-9b52-579084fc51bf_terseLabel_en-US" xlink:label="lab_ifrs-full_MaximumExposureToLossFromContinuingInvolvement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantees</link:label>
    <link:label id="lab_ifrs-full_MaximumExposureToLossFromContinuingInvolvement_label_en-US" xlink:label="lab_ifrs-full_MaximumExposureToLossFromContinuingInvolvement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum exposure to loss from continuing involvement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaximumExposureToLossFromContinuingInvolvement" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MaximumExposureToLossFromContinuingInvolvement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaximumExposureToLossFromContinuingInvolvement" xlink:to="lab_ifrs-full_MaximumExposureToLossFromContinuingInvolvement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Borrowings_3c034436-15ad-4865-a8f4-3f5094dfa6bb_terseLabel_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interbank borrowings</link:label>
    <link:label id="lab_ifrs-full_Borrowings_label_en-US" xlink:label="lab_ifrs-full_Borrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Borrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Borrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Borrowings" xlink:to="lab_ifrs-full_Borrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFinancialAssets_9a059bde-ba96-446e-b921-494eecd98302_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes in measument of financial assets</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFinancialAssets_019bf92e-6e5c-7d1f-a3dc-56f2070d6544_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFinancialAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in financial assets</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFinancialAssets_b27c3450-a7e4-480f-878e-f034c073db87_verboseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net changes of financial assets</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInFinancialAssets" xlink:to="lab_ifrs-full_IncreaseDecreaseInFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems_e3ff2db4-9f77-44de-89c8-6501406d16a3_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Assets at Fair Value Through Other Comprehensive Income [Line Items]</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems_label_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets at Fair Value Through Other Comprehensive Income [Line Items]</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Assets at Fair Value Through Other Comprehensive Income [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:to="lab_bsac_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesPrepaidExpense_c74a3163-020b-472d-a01b-bed1fdc7c034_negatedTerseLabel_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesPrepaidExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Prepaid expenses</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesPrepaidExpense_label_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesPrepaidExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities Prepaid Expense</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesPrepaidExpense_documentation_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesPrepaidExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information related to deferred tax liabilities prepaid expense.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxLiabilitiesPrepaidExpense" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxLiabilitiesPrepaidExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxLiabilitiesPrepaidExpense" xlink:to="lab_bsac_DeferredTaxLiabilitiesPrepaidExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTDA61022Member_019bf986-01ba-78c6-8c95-d8b961639209_terseLabel_en-US" xlink:label="lab_bsac_BSTDA61022Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTDA61022</link:label>
    <link:label id="lab_bsac_BSTDA61022Member_label_en-US" xlink:label="lab_bsac_BSTDA61022Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTDA61022 [Member]</link:label>
    <link:label id="lab_bsac_BSTDA61022Member_documentation_en-US" xlink:label="lab_bsac_BSTDA61022Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTDA61022</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTDA61022Member" xlink:href="bsac-20251231.xsd#bsac_BSTDA61022Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTDA61022Member" xlink:to="lab_bsac_BSTDA61022Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestIncomeOnFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss_3bd7f910-41d1-4f0b-8f57-2183a4c1c3ab_totalLabel_en-US" xlink:label="lab_ifrs-full_InterestIncomeOnFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net interest income</link:label>
    <link:label id="lab_ifrs-full_InterestIncomeOnFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_InterestIncomeOnFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest income on financial assets designated at fair value through profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestIncomeOnFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestIncomeOnFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestIncomeOnFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss" xlink:to="lab_ifrs-full_InterestIncomeOnFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_b44c1ac3-6696-4e2e-9c97-a83bc2e1b30a_terseLabel_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interests</link:label>
    <link:label id="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive income, attributable to non-controlling interests</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:to="lab_ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RightsUnderRepurchaseAgreementsMember_88b2c0e5-ef47-43e7-af5b-1432d518205f_terseLabel_en-US" xlink:label="lab_bsac_RightsUnderRepurchaseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rights under repurchase agreements</link:label>
    <link:label id="lab_bsac_RightsUnderRepurchaseAgreementsMember_label_en-US" xlink:label="lab_bsac_RightsUnderRepurchaseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rights Under Repurchase Agreements [Member]</link:label>
    <link:label id="lab_bsac_RightsUnderRepurchaseAgreementsMember_documentation_en-US" xlink:label="lab_bsac_RightsUnderRepurchaseAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rights Under Repurchase Agreements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RightsUnderRepurchaseAgreementsMember" xlink:href="bsac-20251231.xsd#bsac_RightsUnderRepurchaseAgreementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RightsUnderRepurchaseAgreementsMember" xlink:to="lab_bsac_RightsUnderRepurchaseAgreementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BDilutedEarningsPerShareAbstract_fcad286c-829c-4d49-9f8e-2d76de301929_terseLabel_en-US" xlink:label="lab_bsac_BDilutedEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">b) Diluted earnings per share</link:label>
    <link:label id="lab_bsac_BDilutedEarningsPerShareAbstract_label_en-US" xlink:label="lab_bsac_BDilutedEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BDiluted Earnings Per Share Abstract</link:label>
    <link:label id="lab_bsac_BDilutedEarningsPerShareAbstract_documentation_en-US" xlink:label="lab_bsac_BDilutedEarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BDiluted Earnings Per Share Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BDilutedEarningsPerShareAbstract" xlink:href="bsac-20251231.xsd#bsac_BDilutedEarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BDilutedEarningsPerShareAbstract" xlink:to="lab_bsac_BDilutedEarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorLineItems_label_en-US" xlink:label="lab_dei_AuditorLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorLineItems" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorLineItems" xlink:to="lab_dei_AuditorLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CurrentIncomeTaxes_ddca784d-2174-4bcb-b20e-b92eb0a4d1da_negatedTerseLabel_en-US" xlink:label="lab_bsac_CurrentIncomeTaxes" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Income tax, tax rate</link:label>
    <link:label id="lab_bsac_CurrentIncomeTaxes_label_en-US" xlink:label="lab_bsac_CurrentIncomeTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Income Taxes</link:label>
    <link:label id="lab_bsac_CurrentIncomeTaxes_documentation_en-US" xlink:label="lab_bsac_CurrentIncomeTaxes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current income taxes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CurrentIncomeTaxes" xlink:href="bsac-20251231.xsd#bsac_CurrentIncomeTaxes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CurrentIncomeTaxes" xlink:to="lab_bsac_CurrentIncomeTaxes" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_3037b9fd-34d9-4835-8658-beb32cfe0629_negatedLabel_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Performance bonus</link:label>
    <link:label id="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_label_en-US" xlink:label="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key management personnel compensation, share-based payment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:to="lab_ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TimeDepositsMember_3965d552-808c-45c4-a04c-49ad59c3733e_terseLabel_en-US" xlink:label="lab_bsac_TimeDepositsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Time deposits</link:label>
    <link:label id="lab_bsac_TimeDepositsMember_label_en-US" xlink:label="lab_bsac_TimeDepositsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Time Deposits [Member]</link:label>
    <link:label id="lab_bsac_TimeDepositsMember_documentation_en-US" xlink:label="lab_bsac_TimeDepositsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Time Deposits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TimeDepositsMember" xlink:href="bsac-20251231.xsd#bsac_TimeDepositsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TimeDepositsMember" xlink:to="lab_bsac_TimeDepositsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_c6c845b4-dcfc-464e-8bac-8e414d95ad36_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due after 1 year but within 2 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_e7837d97-d9eb-4e92-a5f3-f8d82eacbfeb_verboseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Due after 1 year but within 2 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than one year and not later than two years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:to="lab_ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ResearchAndDevelopmentExpense_ab37edde-d8a1-4ce6-9a0f-456ac534534f_negatedLabel_en-US" xlink:label="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Customer services</link:label>
    <link:label id="lab_ifrs-full_ResearchAndDevelopmentExpense_label_en-US" xlink:label="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Research and development expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ResearchAndDevelopmentExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ResearchAndDevelopmentExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ResearchAndDevelopmentExpense" xlink:to="lab_ifrs-full_ResearchAndDevelopmentExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_c7bd0fb4-4711-43ec-bf86-4b1977f3a020_negatedLabel_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortisation</link:label>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation and amortisation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DepreciationAndAmortisationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:to="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderGlobalCardsDigitalSolutionsS.L.SpainGroupInstitutionalServicesMonthlyMember_019b9f64-bbc0-70a7-98db-6cc9baa6e5a0_terseLabel_en-US" xlink:label="lab_bsac_SantanderGlobalCardsDigitalSolutionsS.L.SpainGroupInstitutionalServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Global Cards &amp; Digital Solutions, S.L.| Spain| Group| Institutional Services| Monthly</link:label>
    <link:label id="lab_bsac_SantanderGlobalCardsDigitalSolutionsS.L.SpainGroupInstitutionalServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderGlobalCardsDigitalSolutionsS.L.SpainGroupInstitutionalServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Global Cards &amp; Digital Solutions, S.L.| Spain| Group| Institutional Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderGlobalCardsDigitalSolutionsS.L.SpainGroupInstitutionalServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderGlobalCardsDigitalSolutionsS.L.SpainGroupInstitutionalServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Global Cards &amp; Digital Solutions, S.L.| Spain| Group| Institutional Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderGlobalCardsDigitalSolutionsS.L.SpainGroupInstitutionalServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderGlobalCardsDigitalSolutionsS.L.SpainGroupInstitutionalServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderGlobalCardsDigitalSolutionsS.L.SpainGroupInstitutionalServicesMonthlyMember" xlink:to="lab_bsac_SantanderGlobalCardsDigitalSolutionsS.L.SpainGroupInstitutionalServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTDA21222Member_019b9f56-3220-7120-8cf2-64eff8fc6ae2_terseLabel_en-US" xlink:label="lab_bsac_BSTDA21222Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTDA21222</link:label>
    <link:label id="lab_bsac_BSTDA21222Member_label_en-US" xlink:label="lab_bsac_BSTDA21222Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTDA21222 [Member]</link:label>
    <link:label id="lab_bsac_BSTDA21222Member_documentation_en-US" xlink:label="lab_bsac_BSTDA21222Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTDA21222</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTDA21222Member" xlink:href="bsac-20251231.xsd#bsac_BSTDA21222Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTDA21222Member" xlink:to="lab_bsac_BSTDA21222Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InternalCreditGradesAxis_bb583cb8-6ec4-4743-8204-de2fd5f6b424_terseLabel_en-US" xlink:label="lab_ifrs-full_InternalCreditGradesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Internal credit grades [axis]</link:label>
    <link:label id="lab_ifrs-full_InternalCreditGradesAxis_label_en-US" xlink:label="lab_ifrs-full_InternalCreditGradesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Internal credit grades [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InternalCreditGradesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InternalCreditGradesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InternalCreditGradesAxis" xlink:to="lab_ifrs-full_InternalCreditGradesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialLiabilitiesGuaranteesReceivedMarginAccountsCategoryMember_3332e7ba-0005-4922-b9f9-4e9783df62da_terseLabel_en-US" xlink:label="lab_bsac_FinancialLiabilitiesGuaranteesReceivedMarginAccountsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantees received (margin accounts)</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesGuaranteesReceivedMarginAccountsCategoryMember_label_en-US" xlink:label="lab_bsac_FinancialLiabilitiesGuaranteesReceivedMarginAccountsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Liabilities Guarantees Received Margin Accounts Category [Member]</link:label>
    <link:label id="lab_bsac_FinancialLiabilitiesGuaranteesReceivedMarginAccountsCategoryMember_documentation_en-US" xlink:label="lab_bsac_FinancialLiabilitiesGuaranteesReceivedMarginAccountsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Liabilities Guarantees Received Margin Accounts Category</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialLiabilitiesGuaranteesReceivedMarginAccountsCategoryMember" xlink:href="bsac-20251231.xsd#bsac_FinancialLiabilitiesGuaranteesReceivedMarginAccountsCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialLiabilitiesGuaranteesReceivedMarginAccountsCategoryMember" xlink:to="lab_bsac_FinancialLiabilitiesGuaranteesReceivedMarginAccountsCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionsForGuaranteesAndLettersOfCredit_a87c53d7-5f85-4418-a084-6eb55f9c6b0b_terseLabel_en-US" xlink:label="lab_bsac_CommissionsForGuaranteesAndLettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commissions for guarantees and letters of credit</link:label>
    <link:label id="lab_bsac_CommissionsForGuaranteesAndLettersOfCredit_label_en-US" xlink:label="lab_bsac_CommissionsForGuaranteesAndLettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commissions For Guarantees And Letters Of Credit</link:label>
    <link:label id="lab_bsac_CommissionsForGuaranteesAndLettersOfCredit_documentation_en-US" xlink:label="lab_bsac_CommissionsForGuaranteesAndLettersOfCredit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commissions for guarantees and letters of credit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionsForGuaranteesAndLettersOfCredit" xlink:href="bsac-20251231.xsd#bsac_CommissionsForGuaranteesAndLettersOfCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionsForGuaranteesAndLettersOfCredit" xlink:to="lab_bsac_CommissionsForGuaranteesAndLettersOfCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsTable_b9bfad5e-24ef-4004-a169-20c24add5293_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Security Interests, Collateral, or Credit Improvements [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Security Interests, Collateral, or Credit Improvements [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Security Interests, Collateral, or Credit Improvements [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsTable" xlink:to="lab_bsac_ScheduleOfSecurityInterestsCollateralOrCreditImprovementsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfLiquidityCoverageRatioExplanatoryTableTextBlock_661f6889-3338-41b4-9c37-b48eecc7e9af_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfLiquidityCoverageRatioExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Liquidity Coverage Ratio</link:label>
    <link:label id="lab_bsac_DisclosureOfLiquidityCoverageRatioExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfLiquidityCoverageRatioExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Liquidity Coverage Ratio Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfLiquidityCoverageRatioExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfLiquidityCoverageRatioExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of liquidity coverage ratio.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfLiquidityCoverageRatioExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfLiquidityCoverageRatioExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfLiquidityCoverageRatioExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfLiquidityCoverageRatioExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdditionalCoreCapitalRequiredForBanksRatedAsSystemic_2960ae1e-7328-40e9-91a6-54739334def6_terseLabel_en-US" xlink:label="lab_bsac_AdditionalCoreCapitalRequiredForBanksRatedAsSystemic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional core capital required for banks rated as systemic</link:label>
    <link:label id="lab_bsac_AdditionalCoreCapitalRequiredForBanksRatedAsSystemic_label_en-US" xlink:label="lab_bsac_AdditionalCoreCapitalRequiredForBanksRatedAsSystemic" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Core Capital Required For Banks Rated As Systemic</link:label>
    <link:label id="lab_bsac_AdditionalCoreCapitalRequiredForBanksRatedAsSystemic_documentation_en-US" xlink:label="lab_bsac_AdditionalCoreCapitalRequiredForBanksRatedAsSystemic" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additional core capital required for banks rated as systemic.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdditionalCoreCapitalRequiredForBanksRatedAsSystemic" xlink:href="bsac-20251231.xsd#bsac_AdditionalCoreCapitalRequiredForBanksRatedAsSystemic"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdditionalCoreCapitalRequiredForBanksRatedAsSystemic" xlink:to="lab_bsac_AdditionalCoreCapitalRequiredForBanksRatedAsSystemic" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfSubordinatedBondsClassifiedAsCurrentAndNonCurrentTable_f7a0b7f9-49e7-46e9-aac1-c9a00c2a6946_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfSubordinatedBondsClassifiedAsCurrentAndNonCurrentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Subordinated Bonds Classified as Current and Non-current [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfSubordinatedBondsClassifiedAsCurrentAndNonCurrentTable_label_en-US" xlink:label="lab_bsac_ScheduleOfSubordinatedBondsClassifiedAsCurrentAndNonCurrentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Subordinated Bonds Classified as Current and Non-current [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfSubordinatedBondsClassifiedAsCurrentAndNonCurrentTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfSubordinatedBondsClassifiedAsCurrentAndNonCurrentTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Subordinated Bonds Classified as Current and Non-current [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfSubordinatedBondsClassifiedAsCurrentAndNonCurrentTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfSubordinatedBondsClassifiedAsCurrentAndNonCurrentTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfSubordinatedBondsClassifiedAsCurrentAndNonCurrentTable" xlink:to="lab_bsac_ScheduleOfSubordinatedBondsClassifiedAsCurrentAndNonCurrentTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfDetailedInformationAboutLoanActivityToRelatedPartiesExplanatoryTableTextBlock_84543d1b-f6a8-4dd2-ad47-687b0c30c0d7_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfDetailedInformationAboutLoanActivityToRelatedPartiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loan Activity to Related Parties</link:label>
    <link:label id="lab_bsac_ScheduleOfDetailedInformationAboutLoanActivityToRelatedPartiesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfDetailedInformationAboutLoanActivityToRelatedPartiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Detailed Information About Loan Activity To Related Parties Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfDetailedInformationAboutLoanActivityToRelatedPartiesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfDetailedInformationAboutLoanActivityToRelatedPartiesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Detailed Information About Loan Activity To Related Parties Explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfDetailedInformationAboutLoanActivityToRelatedPartiesExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfDetailedInformationAboutLoanActivityToRelatedPartiesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfDetailedInformationAboutLoanActivityToRelatedPartiesExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfDetailedInformationAboutLoanActivityToRelatedPartiesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis_a82cb475-abc4-4501-8135-99e19da549d9_terseLabel_en-US" xlink:label="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit impairment of financial instruments [axis]</link:label>
    <link:label id="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis_label_en-US" xlink:label="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit impairment of financial instruments [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:to="lab_ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromSalesOfInterestsInAssociates_3eca86ce-9c5d-43c9-a88a-34f35534aa55_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromSalesOfInterestsInAssociates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sales of property, plant, and equipment</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromSalesOfInterestsInAssociates_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromSalesOfInterestsInAssociates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from sales of interests in associates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromSalesOfInterestsInAssociates" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromSalesOfInterestsInAssociates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromSalesOfInterestsInAssociates" xlink:to="lab_ifrs-full_ProceedsFromSalesOfInterestsInAssociates" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialInformationOfAssociatesLineItems_56ca727e-3b8f-4286-bb8c-ebf156ffd397_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInformationOfAssociatesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Information of Associates [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInformationOfAssociatesLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInformationOfAssociatesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Information of Associates [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInformationOfAssociatesLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInformationOfAssociatesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Information of Associates [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialInformationOfAssociatesLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialInformationOfAssociatesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialInformationOfAssociatesLineItems" xlink:to="lab_bsac_ScheduleOfFinancialInformationOfAssociatesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutFinancialInformationOfAssociatesExplanatoryTableTextBlock_33d2d4a6-82ba-474a-a653-e0f8ac90209b_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutFinancialInformationOfAssociatesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Information of Associates</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutFinancialInformationOfAssociatesExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutFinancialInformationOfAssociatesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Financial Information Of Associates Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutFinancialInformationOfAssociatesExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutFinancialInformationOfAssociatesExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about financial information of associates.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutFinancialInformationOfAssociatesExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutFinancialInformationOfAssociatesExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutFinancialInformationOfAssociatesExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutFinancialInformationOfAssociatesExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearAxis_019c58a3-4c55-7a47-a287-61e887b7633c_terseLabel_en-US" xlink:label="lab_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustment For Distribution Of Income From Previous Year [Axis]</link:label>
    <link:label id="lab_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearAxis_label_en-US" xlink:label="lab_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment For Distribution Of Income From Previous Year [Axis]</link:label>
    <link:label id="lab_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearAxis_documentation_en-US" xlink:label="lab_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Adjustment For Distribution Of Income From Previous Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearAxis" xlink:href="bsac-20251231.xsd#bsac_AdjustmentForDistributionOfIncomeFromPreviousYearAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearAxis" xlink:to="lab_bsac_AdjustmentForDistributionOfIncomeFromPreviousYearAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NewIssuesPlacements_73c6e86a-0072-48b4-9bb4-c1692538ba83_terseLabel_en-US" xlink:label="lab_bsac_NewIssuesPlacements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New issues/placements</link:label>
    <link:label id="lab_bsac_NewIssuesPlacements_label_en-US" xlink:label="lab_bsac_NewIssuesPlacements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Issues Placements</link:label>
    <link:label id="lab_bsac_NewIssuesPlacements_documentation_en-US" xlink:label="lab_bsac_NewIssuesPlacements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of new issues and placements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NewIssuesPlacements" xlink:href="bsac-20251231.xsd#bsac_NewIssuesPlacements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NewIssuesPlacements" xlink:to="lab_bsac_NewIssuesPlacements" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbankLoansExplanatoryTableTextBlock_db801737-4d06-4716-b45a-97020d452d39_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbankLoansExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loans and Account Receivable from Customers and Interbak Loans</link:label>
    <link:label id="lab_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbankLoansExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbankLoansExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Loans And Account Receivable From Customers And Interbank Loans Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbankLoansExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbankLoansExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Loans And Account Receivable From Customers And Interbank Loans Explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbankLoansExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbankLoansExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbankLoansExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfLoansAndAccountReceivableFromCustomersAndInterbankLoansExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetsGuaranteeDepositsMarginAccountsCategoryMember_fdb7d25a-6142-44d4-b3bd-116c04f58ae0_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsGuaranteeDepositsMarginAccountsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantee deposits (margin accounts)</link:label>
    <link:label id="lab_bsac_FinancialAssetsGuaranteeDepositsMarginAccountsCategoryMember_label_en-US" xlink:label="lab_bsac_FinancialAssetsGuaranteeDepositsMarginAccountsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets Guarantee Deposits Margin Accounts Category [Member]</link:label>
    <link:label id="lab_bsac_FinancialAssetsGuaranteeDepositsMarginAccountsCategoryMember_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsGuaranteeDepositsMarginAccountsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Categories of financial assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsGuaranteeDepositsMarginAccountsCategoryMember" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsGuaranteeDepositsMarginAccountsCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsGuaranteeDepositsMarginAccountsCategoryMember" xlink:to="lab_bsac_FinancialAssetsGuaranteeDepositsMarginAccountsCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LiabilitiesAttributableToNoncontrollingInterests_ce787c21-ed52-4dfb-821f-d40337ea54e5_terseLabel_en-US" xlink:label="lab_bsac_LiabilitiesAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:label id="lab_bsac_LiabilitiesAttributableToNoncontrollingInterests_label_en-US" xlink:label="lab_bsac_LiabilitiesAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities Attributable To Noncontrolling Interests</link:label>
    <link:label id="lab_bsac_LiabilitiesAttributableToNoncontrollingInterests_documentation_en-US" xlink:label="lab_bsac_LiabilitiesAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of liabilities attributable to noncontrolling interests.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LiabilitiesAttributableToNoncontrollingInterests" xlink:href="bsac-20251231.xsd#bsac_LiabilitiesAttributableToNoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LiabilitiesAttributableToNoncontrollingInterests" xlink:to="lab_bsac_LiabilitiesAttributableToNoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersTable_7fd337c8-8eec-4a79-b863-01c5f2cd3ade_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss Loans to Consumers [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersTable_label_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss Loans to Consumers [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Gross Carrying Amount Expected Credit Loss Loans to Consumers [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersTable" xlink:to="lab_bsac_ScheduleOfGrossCarryingAmountExpectedCreditLossLoansToConsumersTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithDomesticBanks_e35db412-cc83-4645-949e-6a4ba568b721_terseLabel_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithDomesticBanks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Decrease)/increase of obligations with domestic banks</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithDomesticBanks_label_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithDomesticBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Decrease Increase In Obligations With Domestic Banks</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithDomesticBanks_documentation_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithDomesticBanks" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustments for decrease increase in obligations with domestic banks.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithDomesticBanks" xlink:href="bsac-20251231.xsd#bsac_AdjustmentsForDecreaseIncreaseInObligationsWithDomesticBanks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithDomesticBanks" xlink:to="lab_bsac_AdjustmentsForDecreaseIncreaseInObligationsWithDomesticBanks" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossAllowances_77142315-d28a-4c0f-93fe-d3f89ebfcb44_negatedTotalLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossAllowances" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">TOTAL</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossAllowances_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossAllowances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Loss Allowances</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossAllowances_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossAllowances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of Expected Credit Losses Allowance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossAllowances" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossAllowances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossAllowances" xlink:to="lab_bsac_ExpectedCreditLossAllowances" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfNetStableFundingRatioExplanatoryTableTextBlock_d7c2c408-7fc0-403c-a9f8-1b40794a4f15_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfNetStableFundingRatioExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Net Stable Funding Ratio</link:label>
    <link:label id="lab_bsac_DisclosureOfNetStableFundingRatioExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfNetStableFundingRatioExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Net Stable Funding Ratio Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfNetStableFundingRatioExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfNetStableFundingRatioExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of net stable funding ratio.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfNetStableFundingRatioExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfNetStableFundingRatioExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfNetStableFundingRatioExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfNetStableFundingRatioExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowanceAbstract_96561793-02b2-4a5a-a54b-2c10dcc7db0c_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowanceAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Allowance [Abstract]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowanceAbstract_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowanceAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Allowance [Abstract]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowanceAbstract_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowanceAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Allowance [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesAllowanceAbstract" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesAllowanceAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesAllowanceAbstract" xlink:to="lab_bsac_ExpectedCreditLossesAllowanceAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_T19Member_e2b57ab9-8120-4d20-82c2-9319250593c7_terseLabel_en-US" xlink:label="lab_bsac_T19Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">T19</link:label>
    <link:label id="lab_bsac_T19Member_label_en-US" xlink:label="lab_bsac_T19Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">T19 [Member]</link:label>
    <link:label id="lab_bsac_T19Member_documentation_en-US" xlink:label="lab_bsac_T19Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">T19</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_T19Member" xlink:href="bsac-20251231.xsd#bsac_T19Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_T19Member" xlink:to="lab_bsac_T19Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExternalCreditEvaluationServices_507057da-9dea-405d-924a-680c095d3c42_negatedTerseLabel_en-US" xlink:label="lab_bsac_ExternalCreditEvaluationServices" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">External credit evaluation services</link:label>
    <link:label id="lab_bsac_ExternalCreditEvaluationServices_label_en-US" xlink:label="lab_bsac_ExternalCreditEvaluationServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">External Credit Evaluation Services</link:label>
    <link:label id="lab_bsac_ExternalCreditEvaluationServices_documentation_en-US" xlink:label="lab_bsac_ExternalCreditEvaluationServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of external credit evaluation services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExternalCreditEvaluationServices" xlink:href="bsac-20251231.xsd#bsac_ExternalCreditEvaluationServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExternalCreditEvaluationServices" xlink:to="lab_bsac_ExternalCreditEvaluationServices" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfOtherLiabilitiesTableTextBlockTableTextBlock_7c2e8595-09df-4e57-beae-619d750fc838_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfOtherLiabilitiesTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other Liabilities</link:label>
    <link:label id="lab_bsac_DisclosureOfOtherLiabilitiesTableTextBlockTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfOtherLiabilitiesTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Other Liabilities Table Text Block [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfOtherLiabilitiesTableTextBlockTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfOtherLiabilitiesTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of detailed information about Other Liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfOtherLiabilitiesTableTextBlockTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfOtherLiabilitiesTableTextBlockTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfOtherLiabilitiesTableTextBlockTableTextBlock" xlink:to="lab_bsac_DisclosureOfOtherLiabilitiesTableTextBlockTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossTextBlock_1c4399b2-143b-4654-ad6e-37da2a65a5b1_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Assets for Trading at Fair Value Through Profit and Loss</link:label>
    <link:label id="lab_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossTextBlock_label_en-US" xlink:label="lab_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets For Trading At Fair Value Through Profit And Loss [Text Block]</link:label>
    <link:label id="lab_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossTextBlock_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial assets for trading at fair value through profit and loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossTextBlock" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossTextBlock" xlink:to="lab_bsac_FinancialAssetsForTradingAtFairValueThroughProfitAndLossTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MacroHedges_7daca2a6-285d-405e-9b3c-8565aded9ae9_terseLabel_en-US" xlink:label="lab_bsac_MacroHedges" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedge item</link:label>
    <link:label id="lab_bsac_MacroHedges_label_en-US" xlink:label="lab_bsac_MacroHedges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Macro Hedges</link:label>
    <link:label id="lab_bsac_MacroHedges_documentation_en-US" xlink:label="lab_bsac_MacroHedges" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Macro Hedges</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MacroHedges" xlink:href="bsac-20251231.xsd#bsac_MacroHedges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MacroHedges" xlink:to="lab_bsac_MacroHedges" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfIncomeTaxPayableExpenseExplanatoryTableTextBlock_56a5c884-00e2-441a-93bd-b32bd42af9d7_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfIncomeTaxPayableExpenseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Effect on Income Tax Expense</link:label>
    <link:label id="lab_bsac_ScheduleOfIncomeTaxPayableExpenseExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfIncomeTaxPayableExpenseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Income Tax Payable Expense Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfIncomeTaxPayableExpenseExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfIncomeTaxPayableExpenseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure effect on income tax expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfIncomeTaxPayableExpenseExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfIncomeTaxPayableExpenseExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfIncomeTaxPayableExpenseExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfIncomeTaxPayableExpenseExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherDemandLiabilitiesMember_d5a30a6e-cd16-41f4-b86c-e32c60835ab5_terseLabel_en-US" xlink:label="lab_bsac_OtherDemandLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other demand liabilities</link:label>
    <link:label id="lab_bsac_OtherDemandLiabilitiesMember_label_en-US" xlink:label="lab_bsac_OtherDemandLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Demand Liabilities [Member]</link:label>
    <link:label id="lab_bsac_OtherDemandLiabilitiesMember_documentation_en-US" xlink:label="lab_bsac_OtherDemandLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Demand Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherDemandLiabilitiesMember" xlink:href="bsac-20251231.xsd#bsac_OtherDemandLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherDemandLiabilitiesMember" xlink:to="lab_bsac_OtherDemandLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_8b173ccc-1280-4432-8006-178e6317ccaa_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income taxes and other deferred taxes</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for income tax [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LeasingLoansMember_dc3b3f42-6d6a-41c4-8bfa-841e0506f1ae_terseLabel_en-US" xlink:label="lab_bsac_LeasingLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leasing Loans</link:label>
    <link:label id="lab_bsac_LeasingLoansMember_label_en-US" xlink:label="lab_bsac_LeasingLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leasing Loans [Member]</link:label>
    <link:label id="lab_bsac_LeasingLoansMember_documentation_en-US" xlink:label="lab_bsac_LeasingLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Leasing Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LeasingLoansMember" xlink:href="bsac-20251231.xsd#bsac_LeasingLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LeasingLoansMember" xlink:to="lab_bsac_LeasingLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfBanksPortfolioOfDerivativeInstrumentsTableTextBlock_5ac98f88-0f05-4ace-be40-cb84f35d5c02_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfBanksPortfolioOfDerivativeInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Bank Holds Portfolio of Derivative Instruments</link:label>
    <link:label id="lab_bsac_DisclosureOfBanksPortfolioOfDerivativeInstrumentsTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfBanksPortfolioOfDerivativeInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Banks Portfolio Of Derivative Instruments [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfBanksPortfolioOfDerivativeInstrumentsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfBanksPortfolioOfDerivativeInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Banks Portfolio Of Derivative Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfBanksPortfolioOfDerivativeInstrumentsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfBanksPortfolioOfDerivativeInstrumentsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfBanksPortfolioOfDerivativeInstrumentsTableTextBlock" xlink:to="lab_bsac_DisclosureOfBanksPortfolioOfDerivativeInstrumentsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfAssetsDomain_e02884ca-4ba4-4cd9-aac6-af4a22441b85_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of assets [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfAssetsDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfAssetsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of assets [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfAssetsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfAssetsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfAssetsDomain" xlink:to="lab_ifrs-full_ClassesOfAssetsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialLiabilityTradingTable_08e06dc2-ea3a-4211-8ed5-6a910dda3031_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialLiabilityTradingTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Liability Trading [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialLiabilityTradingTable_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialLiabilityTradingTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Liability Trading [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialLiabilityTradingTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialLiabilityTradingTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Liability Trading [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialLiabilityTradingTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialLiabilityTradingTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialLiabilityTradingTable" xlink:to="lab_bsac_ScheduleOfFinancialLiabilityTradingTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterestRateSwapsMember_65ba7e32-8a41-46b7-bb9e-59cb29fcfeab_terseLabel_en-US" xlink:label="lab_bsac_InterestRateSwapsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate swaps</link:label>
    <link:label id="lab_bsac_InterestRateSwapsMember_label_en-US" xlink:label="lab_bsac_InterestRateSwapsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Rate Swaps [Member]</link:label>
    <link:label id="lab_bsac_InterestRateSwapsMember_documentation_en-US" xlink:label="lab_bsac_InterestRateSwapsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest Rate Swaps</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterestRateSwapsMember" xlink:href="bsac-20251231.xsd#bsac_InterestRateSwapsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterestRateSwapsMember" xlink:to="lab_bsac_InterestRateSwapsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfInterbankBorrowingsTableTextBlock_69b9b24b-112f-46c2-8b43-a8f182fb73ea_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfInterbankBorrowingsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Interbank Borrowings</link:label>
    <link:label id="lab_bsac_ScheduleOfInterbankBorrowingsTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfInterbankBorrowingsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Interbank Borrowings [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfInterbankBorrowingsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfInterbankBorrowingsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Interbank borrowings table text block.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfInterbankBorrowingsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfInterbankBorrowingsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfInterbankBorrowingsTableTextBlock" xlink:to="lab_bsac_ScheduleOfInterbankBorrowingsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfRWA_da1e7276-e30d-47a2-a24e-606967f174fe_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfRWA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of RWA</link:label>
    <link:label id="lab_bsac_PercentageOfRWA_label_en-US" xlink:label="lab_bsac_PercentageOfRWA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of RWA</link:label>
    <link:label id="lab_bsac_PercentageOfRWA_documentation_en-US" xlink:label="lab_bsac_PercentageOfRWA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of resident welfare association.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfRWA" xlink:href="bsac-20251231.xsd#bsac_PercentageOfRWA"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfRWA" xlink:to="lab_bsac_PercentageOfRWA" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentForRedemptionOfMortgageBondsAndPaymentsOfInterest_d31dd0d5-e581-45c4-a0c8-556fe14225b6_terseLabel_en-US" xlink:label="lab_bsac_AdjustmentForRedemptionOfMortgageBondsAndPaymentsOfInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redemption of mortgage bonds and payments of interest</link:label>
    <link:label id="lab_bsac_AdjustmentForRedemptionOfMortgageBondsAndPaymentsOfInterest_label_en-US" xlink:label="lab_bsac_AdjustmentForRedemptionOfMortgageBondsAndPaymentsOfInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment For Redemption Of Mortgage Bonds And Payments Of Interest</link:label>
    <link:label id="lab_bsac_AdjustmentForRedemptionOfMortgageBondsAndPaymentsOfInterest_documentation_en-US" xlink:label="lab_bsac_AdjustmentForRedemptionOfMortgageBondsAndPaymentsOfInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustment for redemption of mortgage bonds and payments of interest.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentForRedemptionOfMortgageBondsAndPaymentsOfInterest" xlink:href="bsac-20251231.xsd#bsac_AdjustmentForRedemptionOfMortgageBondsAndPaymentsOfInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentForRedemptionOfMortgageBondsAndPaymentsOfInterest" xlink:to="lab_bsac_AdjustmentForRedemptionOfMortgageBondsAndPaymentsOfInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsRemainsOfUnrelatedAndUnencumberedFinancialInstruments_9e6c3879-f252-44b9-8401-01a4705d53d0_terseLabel_en-US" xlink:label="lab_bsac_AssetsRemainsOfUnrelatedAndUnencumberedFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remaining financial instruments not linked, nor subject to netting agreements</link:label>
    <link:label id="lab_bsac_AssetsRemainsOfUnrelatedAndUnencumberedFinancialInstruments_label_en-US" xlink:label="lab_bsac_AssetsRemainsOfUnrelatedAndUnencumberedFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Remains Of Unrelated And Unencumbered Financial Instruments</link:label>
    <link:label id="lab_bsac_AssetsRemainsOfUnrelatedAndUnencumberedFinancialInstruments_documentation_en-US" xlink:label="lab_bsac_AssetsRemainsOfUnrelatedAndUnencumberedFinancialInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about assets remains of unrelated and unencumbered financial instruments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsRemainsOfUnrelatedAndUnencumberedFinancialInstruments" xlink:href="bsac-20251231.xsd#bsac_AssetsRemainsOfUnrelatedAndUnencumberedFinancialInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsRemainsOfUnrelatedAndUnencumberedFinancialInstruments" xlink:to="lab_bsac_AssetsRemainsOfUnrelatedAndUnencumberedFinancialInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TwelvemonthExpectedCreditLossesMember_85a53232-3af8-45e8-bf88-07028c2059d3_terseLabel_en-US" xlink:label="lab_ifrs-full_TwelvemonthExpectedCreditLossesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">12-month expected credit losses</link:label>
    <link:label id="lab_ifrs-full_TwelvemonthExpectedCreditLossesMember_label_en-US" xlink:label="lab_ifrs-full_TwelvemonthExpectedCreditLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">12-month expected credit losses [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TwelvemonthExpectedCreditLossesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TwelvemonthExpectedCreditLossesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TwelvemonthExpectedCreditLossesMember" xlink:to="lab_ifrs-full_TwelvemonthExpectedCreditLossesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupConsultingServicesMonthlyMember_019bf9de-6bca-76e4-be75-c7e3ab91b209_terseLabel_en-US" xlink:label="lab_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Back-Offices Globales Mayoristas, S.A.| Spain| Group| Consulting Services| Monthly</link:label>
    <link:label id="lab_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Back-Offices Globales Mayoristas, S.A.| Spain| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Back-Offices Globales Mayoristas, S.A.| Spain| Group| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupConsultingServicesMonthlyMember" xlink:to="lab_bsac_SantanderBackOfficesGlobalesMayoristasS.A.SpainGroupConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfDetailedInformationAboutCompositionOfKeyPersonnelExplanatoryTableTextBlock_e936cfd9-ee74-4d68-8da7-61d77f93fa99_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfDetailedInformationAboutCompositionOfKeyPersonnelExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Composition of the Bank&#8217;s Key Personnel</link:label>
    <link:label id="lab_bsac_ScheduleOfDetailedInformationAboutCompositionOfKeyPersonnelExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfDetailedInformationAboutCompositionOfKeyPersonnelExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Detailed Information About Composition Of Key Personnel Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfDetailedInformationAboutCompositionOfKeyPersonnelExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfDetailedInformationAboutCompositionOfKeyPersonnelExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Detailed Information About Composition Of Key Personnel Explanatory</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfDetailedInformationAboutCompositionOfKeyPersonnelExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfDetailedInformationAboutCompositionOfKeyPersonnelExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfDetailedInformationAboutCompositionOfKeyPersonnelExplanatoryTableTextBlock" xlink:to="lab_bsac_ScheduleOfDetailedInformationAboutCompositionOfKeyPersonnelExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Level2FixedIncomeOne_be3b7e9d-dbc4-4184-8729-ec9c0aeb8b54_terseLabel_en-US" xlink:label="lab_bsac_Level2FixedIncomeOne" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 2: fixed income</link:label>
    <link:label id="lab_bsac_Level2FixedIncomeOne_label_en-US" xlink:label="lab_bsac_Level2FixedIncomeOne" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Level2 Fixed Income One</link:label>
    <link:label id="lab_bsac_Level2FixedIncomeOne_documentation_en-US" xlink:label="lab_bsac_Level2FixedIncomeOne" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of level 2 fixed income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Level2FixedIncomeOne" xlink:href="bsac-20251231.xsd#bsac_Level2FixedIncomeOne"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Level2FixedIncomeOne" xlink:to="lab_bsac_Level2FixedIncomeOne" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialDerivativeContracts_46189c6c-a1fa-4c13-b068-e38f97340ab8_terseLabel_en-US" xlink:label="lab_bsac_FinancialDerivativeContracts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial derivative contracts</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContracts_label_en-US" xlink:label="lab_bsac_FinancialDerivativeContracts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContracts_documentation_en-US" xlink:label="lab_bsac_FinancialDerivativeContracts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of financial derivative contracts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialDerivativeContracts" xlink:href="bsac-20251231.xsd#bsac_FinancialDerivativeContracts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialDerivativeContracts" xlink:to="lab_bsac_FinancialDerivativeContracts" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssueOfEquity_5bf6ef89-0bc6-4865-b981-207d7a890041_terseLabel_en-US" xlink:label="lab_ifrs-full_IssueOfEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shareholders equity</link:label>
    <link:label id="lab_ifrs-full_IssueOfEquity_label_en-US" xlink:label="lab_ifrs-full_IssueOfEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issue of equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssueOfEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IssueOfEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssueOfEquity" xlink:to="lab_ifrs-full_IssueOfEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfNoncurrentAssetsHeldForSalesTableTextBlock_487e8194-ab52-4ee0-b953-e0d8b7d5ba50_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfNoncurrentAssetsHeldForSalesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Non-Current Assets Held for Sales</link:label>
    <link:label id="lab_bsac_ScheduleOfNoncurrentAssetsHeldForSalesTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfNoncurrentAssetsHeldForSalesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Noncurrent Assets Held For Sales [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfNoncurrentAssetsHeldForSalesTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfNoncurrentAssetsHeldForSalesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of the non-current assets held for sales.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfNoncurrentAssetsHeldForSalesTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfNoncurrentAssetsHeldForSalesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfNoncurrentAssetsHeldForSalesTableTextBlock" xlink:to="lab_bsac_ScheduleOfNoncurrentAssetsHeldForSalesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Equity_2fcbfef7-d920-4241-bc51-fe2b7757d3cb_totalLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">TOTAL EQUITY</link:label>
    <link:label id="lab_ifrs-full_Equity_7018f7b7-292e-40c7-ab09-3d13740eca9b_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_Equity_d791208c-d7c6-4c99-9a40-c5ef5ebc3c16_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending Balance</link:label>
    <link:label id="lab_ifrs-full_Equity_label_en-US" xlink:label="lab_ifrs-full_Equity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Equity" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Equity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Equity" xlink:to="lab_ifrs-full_Equity" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfProvisionsForPersonnelSalariesAndExpensesTableTextBlock_a2d09b3b-eb3e-41be-9289-df52fdb4e6a6_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfProvisionsForPersonnelSalariesAndExpensesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Provisions for Personnel Salaries and Expenses</link:label>
    <link:label id="lab_bsac_ScheduleOfProvisionsForPersonnelSalariesAndExpensesTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfProvisionsForPersonnelSalariesAndExpensesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Provisions For Personnel Salaries And Expenses [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfProvisionsForPersonnelSalariesAndExpensesTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfProvisionsForPersonnelSalariesAndExpensesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Provisions For Personnel Salaries And Expenses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfProvisionsForPersonnelSalariesAndExpensesTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfProvisionsForPersonnelSalariesAndExpensesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfProvisionsForPersonnelSalariesAndExpensesTableTextBlock" xlink:to="lab_bsac_ScheduleOfProvisionsForPersonnelSalariesAndExpensesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EarningsPerShareFromContinuedOperationsAttributableToShareholdersOfTheBankAbstract_d77609ad-fa0c-4b9d-ba35-9d1dca2e6084_terseLabel_en-US" xlink:label="lab_bsac_EarningsPerShareFromContinuedOperationsAttributableToShareholdersOfTheBankAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share from continued operations attributable to shareholders of the Bank:</link:label>
    <link:label id="lab_bsac_EarningsPerShareFromContinuedOperationsAttributableToShareholdersOfTheBankAbstract_label_en-US" xlink:label="lab_bsac_EarningsPerShareFromContinuedOperationsAttributableToShareholdersOfTheBankAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share From Continued Operations Attributable To Shareholders Of The Bank Abstract</link:label>
    <link:label id="lab_bsac_EarningsPerShareFromContinuedOperationsAttributableToShareholdersOfTheBankAbstract_documentation_en-US" xlink:label="lab_bsac_EarningsPerShareFromContinuedOperationsAttributableToShareholdersOfTheBankAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Earnings Per Share From Continued Operations Attributable To Shareholders Of The Bank Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EarningsPerShareFromContinuedOperationsAttributableToShareholdersOfTheBankAbstract" xlink:href="bsac-20251231.xsd#bsac_EarningsPerShareFromContinuedOperationsAttributableToShareholdersOfTheBankAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EarningsPerShareFromContinuedOperationsAttributableToShareholdersOfTheBankAbstract" xlink:to="lab_bsac_EarningsPerShareFromContinuedOperationsAttributableToShareholdersOfTheBankAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_January2024SeniorUFMember_a511323a-c4c6-4e79-96e5-fda784749e77_terseLabel_en-US" xlink:label="lab_bsac_January2024SeniorUFMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">January 2024, Senior, UF</link:label>
    <link:label id="lab_bsac_January2024SeniorUFMember_label_en-US" xlink:label="lab_bsac_January2024SeniorUFMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">January 2024, Senior, UF [Member]</link:label>
    <link:label id="lab_bsac_January2024SeniorUFMember_documentation_en-US" xlink:label="lab_bsac_January2024SeniorUFMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">January 2024, Senior, UF</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_January2024SeniorUFMember" xlink:href="bsac-20251231.xsd#bsac_January2024SeniorUFMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_January2024SeniorUFMember" xlink:to="lab_bsac_January2024SeniorUFMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsLineItems_e6a9de8b-0bc5-456d-abbd-7b4f3fc107d4_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Portfolio of Financial Assets Derivative Contracts [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Portfolio of Financial Assets Derivative Contracts [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Portfolio of Financial Assets Derivative Contracts [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsLineItems" xlink:to="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EffectiveEquityIndicators_92af8f2a-ef96-483e-9e3b-482d3da55eff_terseLabel_en-US" xlink:label="lab_bsac_EffectiveEquityIndicators" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective equity indicators (T1_I31/T1_I11,b)</link:label>
    <link:label id="lab_bsac_EffectiveEquityIndicators_label_en-US" xlink:label="lab_bsac_EffectiveEquityIndicators" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Equity Indicators</link:label>
    <link:label id="lab_bsac_EffectiveEquityIndicators_documentation_en-US" xlink:label="lab_bsac_EffectiveEquityIndicators" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Effective equity indicators.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EffectiveEquityIndicators" xlink:href="bsac-20251231.xsd#bsac_EffectiveEquityIndicators"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EffectiveEquityIndicators" xlink:to="lab_bsac_EffectiveEquityIndicators" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Others_82dd9832-a234-45b4-8525-ec7a1b27ab32_terseLabel_en-US" xlink:label="lab_bsac_Others" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_bsac_Others_label_en-US" xlink:label="lab_bsac_Others" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_bsac_Others_documentation_en-US" xlink:label="lab_bsac_Others" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Others.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Others" xlink:href="bsac-20251231.xsd#bsac_Others"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Others" xlink:to="lab_bsac_Others" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsTable_703fbb98-f15c-4d64-a845-6ac8862667ce_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Allowance by Stage Recorded at Income Statements [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Allowance by Stage Recorded at Income Statements [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Allowance by Stage Recorded at Income Statements [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsTable" xlink:to="lab_bsac_ScheduleOfAllowanceByStageRecordedAtIncomeStatementsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansAndAccountReceivableFromCustomerMember_02f0ab8a-fbee-4a29-a21d-4759b6799ee1_terseLabel_en-US" xlink:label="lab_bsac_LoansAndAccountReceivableFromCustomerMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and account receivable from customer</link:label>
    <link:label id="lab_bsac_LoansAndAccountReceivableFromCustomerMember_label_en-US" xlink:label="lab_bsac_LoansAndAccountReceivableFromCustomerMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Account Receivable From Customer [Member]</link:label>
    <link:label id="lab_bsac_LoansAndAccountReceivableFromCustomerMember_documentation_en-US" xlink:label="lab_bsac_LoansAndAccountReceivableFromCustomerMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans And Account Receivable From Customer</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansAndAccountReceivableFromCustomerMember" xlink:href="bsac-20251231.xsd#bsac_LoansAndAccountReceivableFromCustomerMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansAndAccountReceivableFromCustomerMember" xlink:to="lab_bsac_LoansAndAccountReceivableFromCustomerMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CompensationFromInsuranceCompaniesDueToDamages_2ca2d1fd-0da7-45b9-b8c0-3ef91e9c6036_terseLabel_en-US" xlink:label="lab_bsac_CompensationFromInsuranceCompaniesDueToDamages" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Compensation from insurance companies due to damages</link:label>
    <link:label id="lab_bsac_CompensationFromInsuranceCompaniesDueToDamages_label_en-US" xlink:label="lab_bsac_CompensationFromInsuranceCompaniesDueToDamages" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Compensation From Insurance Companies Due To Damages</link:label>
    <link:label id="lab_bsac_CompensationFromInsuranceCompaniesDueToDamages_documentation_en-US" xlink:label="lab_bsac_CompensationFromInsuranceCompaniesDueToDamages" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of compensation from insurance companies due to damages.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CompensationFromInsuranceCompaniesDueToDamages" xlink:href="bsac-20251231.xsd#bsac_CompensationFromInsuranceCompaniesDueToDamages"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CompensationFromInsuranceCompaniesDueToDamages" xlink:to="lab_bsac_CompensationFromInsuranceCompaniesDueToDamages" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdditionalPillarIICapitalRequirementsBankAppliedPercentage_019b9e78-469d-73cb-b0e3-f3a3a2057c30_terseLabel_en-US" xlink:label="lab_bsac_AdditionalPillarIICapitalRequirementsBankAppliedPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional Pillar II capital requirements bank applied, percentage</link:label>
    <link:label id="lab_bsac_AdditionalPillarIICapitalRequirementsBankAppliedPercentage_label_en-US" xlink:label="lab_bsac_AdditionalPillarIICapitalRequirementsBankAppliedPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Pillar II Capital Requirements Bank Applied, Percentage</link:label>
    <link:label id="lab_bsac_AdditionalPillarIICapitalRequirementsBankAppliedPercentage_documentation_en-US" xlink:label="lab_bsac_AdditionalPillarIICapitalRequirementsBankAppliedPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additional Pillar II Capital Requirements Bank Applied, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdditionalPillarIICapitalRequirementsBankAppliedPercentage" xlink:href="bsac-20251231.xsd#bsac_AdditionalPillarIICapitalRequirementsBankAppliedPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdditionalPillarIICapitalRequirementsBankAppliedPercentage" xlink:to="lab_bsac_AdditionalPillarIICapitalRequirementsBankAppliedPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CHFMember_019b325a-a331-70d5-97b8-a7cc5a4eda4d_verboseLabel_en-US" xlink:label="lab_bsac_CHFMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Santander bonds in CHF</link:label>
    <link:label id="lab_bsac_CHFMember_9ea0d770-1301-4dc9-88d6-549d076f7191_terseLabel_en-US" xlink:label="lab_bsac_CHFMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CHF</link:label>
    <link:label id="lab_bsac_CHFMember_label_en-US" xlink:label="lab_bsac_CHFMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CHF [Member]</link:label>
    <link:label id="lab_bsac_CHFMember_documentation_en-US" xlink:label="lab_bsac_CHFMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">CHF</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CHFMember" xlink:href="bsac-20251231.xsd#bsac_CHFMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CHFMember" xlink:to="lab_bsac_CHFMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AccumulatedAmortizationGrossBalance_ae8ee8d7-4e67-4dd4-a1fb-6b4168919192_periodEndLabel_en-US" xlink:label="lab_bsac_AccumulatedAmortizationGrossBalance" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Accumulated amortization, ending balance</link:label>
    <link:label id="lab_bsac_AccumulatedAmortizationGrossBalance_label_en-US" xlink:label="lab_bsac_AccumulatedAmortizationGrossBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Amortization Gross Balance</link:label>
    <link:label id="lab_bsac_AccumulatedAmortizationGrossBalance_documentation_en-US" xlink:label="lab_bsac_AccumulatedAmortizationGrossBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of intangible assets accumulated amortization gross balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AccumulatedAmortizationGrossBalance" xlink:href="bsac-20251231.xsd#bsac_AccumulatedAmortizationGrossBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AccumulatedAmortizationGrossBalance" xlink:to="lab_bsac_AccumulatedAmortizationGrossBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InvestmentInstrumentsAtACMember_019b9f01-16d8-7520-b90d-158b6539676b_terseLabel_en-US" xlink:label="lab_bsac_InvestmentInstrumentsAtACMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment instruments at AC</link:label>
    <link:label id="lab_bsac_InvestmentInstrumentsAtACMember_label_en-US" xlink:label="lab_bsac_InvestmentInstrumentsAtACMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment instruments At AC [Member]</link:label>
    <link:label id="lab_bsac_InvestmentInstrumentsAtACMember_documentation_en-US" xlink:label="lab_bsac_InvestmentInstrumentsAtACMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investment instruments At AC</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InvestmentInstrumentsAtACMember" xlink:href="bsac-20251231.xsd#bsac_InvestmentInstrumentsAtACMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InvestmentInstrumentsAtACMember" xlink:to="lab_bsac_InvestmentInstrumentsAtACMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HedgingInstrumentOutflowsMember_ad9c209d-91cb-459a-bdb7-f7effa14b1d6_terseLabel_en-US" xlink:label="lab_bsac_HedgingInstrumentOutflowsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outflows</link:label>
    <link:label id="lab_bsac_HedgingInstrumentOutflowsMember_label_en-US" xlink:label="lab_bsac_HedgingInstrumentOutflowsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging Instrument Outflows [Member]</link:label>
    <link:label id="lab_bsac_HedgingInstrumentOutflowsMember_documentation_en-US" xlink:label="lab_bsac_HedgingInstrumentOutflowsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hedging Instrument Outflows</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HedgingInstrumentOutflowsMember" xlink:href="bsac-20251231.xsd#bsac_HedgingInstrumentOutflowsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HedgingInstrumentOutflowsMember" xlink:to="lab_bsac_HedgingInstrumentOutflowsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SecuritySystemsMember_ef877e12-5845-4dab-8762-74d56fd1d084_terseLabel_en-US" xlink:label="lab_bsac_SecuritySystemsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Security systems</link:label>
    <link:label id="lab_bsac_SecuritySystemsMember_label_en-US" xlink:label="lab_bsac_SecuritySystemsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Security Systems [Member]</link:label>
    <link:label id="lab_bsac_SecuritySystemsMember_documentation_en-US" xlink:label="lab_bsac_SecuritySystemsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Security Systems</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SecuritySystemsMember" xlink:href="bsac-20251231.xsd#bsac_SecuritySystemsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SecuritySystemsMember" xlink:to="lab_bsac_SecuritySystemsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherIncome_019c5883-92e5-7601-be4e-ce7c7505b8b9_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_OtherIncome" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other income</link:label>
    <link:label id="lab_ifrs-full_OtherIncome_label_en-US" xlink:label="lab_ifrs-full_OtherIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherIncome" xlink:to="lab_ifrs-full_OtherIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfChartsShowDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeCumulativeUnrealizedProfitAndLossTable_808160f2-715e-4dc7-8972-345dbf3f8250_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfChartsShowDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeCumulativeUnrealizedProfitAndLossTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Charts Show Debt Instruments at Fair Value Through Other Comprehensive Income Cumulative Unrealized Profit and Loss [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfChartsShowDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeCumulativeUnrealizedProfitAndLossTable_label_en-US" xlink:label="lab_bsac_ScheduleOfChartsShowDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeCumulativeUnrealizedProfitAndLossTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Charts Show Debt Instruments at Fair Value Through Other Comprehensive Income Cumulative Unrealized Profit and Loss [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfChartsShowDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeCumulativeUnrealizedProfitAndLossTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfChartsShowDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeCumulativeUnrealizedProfitAndLossTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Charts Show Debt Instruments at Fair Value Through Other Comprehensive Income Cumulative Unrealized Profit and Loss [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfChartsShowDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeCumulativeUnrealizedProfitAndLossTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfChartsShowDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeCumulativeUnrealizedProfitAndLossTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfChartsShowDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeCumulativeUnrealizedProfitAndLossTable" xlink:to="lab_bsac_ScheduleOfChartsShowDebtInstrumentsAtFairValueThroughOtherComprehensiveIncomeCumulativeUnrealizedProfitAndLossTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfDebtsClassifiedTable_78b78eb5-22e3-4def-9384-f6e1ffb2ce6b_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfDebtsClassifiedTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Debts Classified [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfDebtsClassifiedTable_label_en-US" xlink:label="lab_bsac_ScheduleOfDebtsClassifiedTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Debts Classified [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfDebtsClassifiedTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfDebtsClassifiedTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Debts Classified [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfDebtsClassifiedTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfDebtsClassifiedTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfDebtsClassifiedTable" xlink:to="lab_bsac_ScheduleOfDebtsClassifiedTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueTable_e2306dee-15b9-42c1-935a-194c3a5b1d80_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Assets or Liabilities Which Are Not Measured At Fair Value [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueTable_label_en-US" xlink:label="lab_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Assets or Liabilities Which Are Not Measured At Fair Value [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Assets or Liabilities Which Are Not Measured At Fair Value [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueTable" xlink:to="lab_bsac_ScheduleOfAssetsOrLiabilitiesWhichAreNotMeasuredAtFairValueTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfHedgedElementsAndHedgeInstrumentsUnderFairValueHedgesClassifiedByTermMaturityExplanatoryTableTextBlock_817bdf87-41eb-48dd-b48c-b490b198e960_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfHedgedElementsAndHedgeInstrumentsUnderFairValueHedgesClassifiedByTermMaturityExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value Hedges</link:label>
    <link:label id="lab_bsac_ScheduleOfHedgedElementsAndHedgeInstrumentsUnderFairValueHedgesClassifiedByTermMaturityExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfHedgedElementsAndHedgeInstrumentsUnderFairValueHedgesClassifiedByTermMaturityExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Hedged Elements And Hedge Instruments Under Fair Value Hedges Classified By Term Maturity Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfHedgedElementsAndHedgeInstrumentsUnderFairValueHedgesClassifiedByTermMaturityExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfHedgedElementsAndHedgeInstrumentsUnderFairValueHedgesClassifiedByTermMaturityExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure about hedged elements and hedge instruments under fair value hedges classified by term maturity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfHedgedElementsAndHedgeInstrumentsUnderFairValueHedgesClassifiedByTermMaturityExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfHedgedElementsAndHedgeInstrumentsUnderFairValueHedgesClassifiedByTermMaturityExplanatoryTableTextBlock"/>
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    <link:label id="lab_bsac_NetChargesForIncomeTaxExpense_2b98c709-ab16-48a7-bd38-3ba4f7c8d135_totalLabel_en-US" xlink:label="lab_bsac_NetChargesForIncomeTaxExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net charges for income tax expense</link:label>
    <link:label id="lab_bsac_NetChargesForIncomeTaxExpense_label_en-US" xlink:label="lab_bsac_NetChargesForIncomeTaxExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Charges For Income Tax Expense</link:label>
    <link:label id="lab_bsac_NetChargesForIncomeTaxExpense_documentation_en-US" xlink:label="lab_bsac_NetChargesForIncomeTaxExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Charges For Income Tax Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetChargesForIncomeTaxExpense" xlink:href="bsac-20251231.xsd#bsac_NetChargesForIncomeTaxExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetChargesForIncomeTaxExpense" xlink:to="lab_bsac_NetChargesForIncomeTaxExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NotionalAmountHedged_e15c94a2-71d0-46bc-a468-4cb3c3fa31a4_terseLabel_en-US" xlink:label="lab_bsac_NotionalAmountHedged" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notional amount</link:label>
    <link:label id="lab_bsac_NotionalAmountHedged_label_en-US" xlink:label="lab_bsac_NotionalAmountHedged" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notional Amount Hedged</link:label>
    <link:label id="lab_bsac_NotionalAmountHedged_documentation_en-US" xlink:label="lab_bsac_NotionalAmountHedged" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notional Amount Hedged</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NotionalAmountHedged" xlink:href="bsac-20251231.xsd#bsac_NotionalAmountHedged"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NotionalAmountHedged" xlink:to="lab_bsac_NotionalAmountHedged" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypesOfFinancialLiabilitiesAxis_7094aab4-4603-47d0-8ddf-27266cfb7546_terseLabel_en-US" xlink:label="lab_ifrs-full_TypesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types of financial liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_TypesOfFinancialLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_TypesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types of financial liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypesOfFinancialLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypesOfFinancialLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypesOfFinancialLiabilitiesAxis" xlink:to="lab_ifrs-full_TypesOfFinancialLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A3Member_5ae1ef9f-ec3d-447a-ac69-e7deace01f9d_terseLabel_en-US" xlink:label="lab_bsac_A3Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">A3</link:label>
    <link:label id="lab_bsac_A3Member_label_en-US" xlink:label="lab_bsac_A3Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">A3 [Member]</link:label>
    <link:label id="lab_bsac_A3Member_documentation_en-US" xlink:label="lab_bsac_A3Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A3Member" xlink:href="bsac-20251231.xsd#bsac_A3Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A3Member" xlink:to="lab_bsac_A3Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AmortisationExpense_9a39c5e7-91b3-4f1c-9ee6-eea3214b158f_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_AmortisationExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Amortisation of Intangible assets</link:label>
    <link:label id="lab_ifrs-full_AmortisationExpense_label_en-US" xlink:label="lab_ifrs-full_AmortisationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortisation expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AmortisationExpense"/>
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    <link:label id="lab_bsac_FinesAppliedByFMC_7a325627-719f-4dab-9349-8d368707e98e_negatedTerseLabel_en-US" xlink:label="lab_bsac_FinesAppliedByFMC" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Fines applied by FMC and other agencies</link:label>
    <link:label id="lab_bsac_FinesAppliedByFMC_label_en-US" xlink:label="lab_bsac_FinesAppliedByFMC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fines Applied By FMC</link:label>
    <link:label id="lab_bsac_FinesAppliedByFMC_documentation_en-US" xlink:label="lab_bsac_FinesAppliedByFMC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of fines applied by FMC.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinesAppliedByFMC" xlink:href="bsac-20251231.xsd#bsac_FinesAppliedByFMC"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinesAppliedByFMC" xlink:to="lab_bsac_FinesAppliedByFMC" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_47094004-c91e-407f-abe6-d616fdf9e222_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due after 2 years but within 3 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than two years and not later than three years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember"/>
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    <link:label id="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTable_beb4db56-5c8a-4e81-8e22-ae990c2a3902_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Business Operations of the Bank With their Clients [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Business Operations of the Bank With their Clients [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Business Operations of the Bank With their Clients [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsTable"/>
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    <link:label id="lab_bsac_SegmentReportingAssetThreshold_07164e73-a033-4a5a-accb-eca11f947bec_terseLabel_en-US" xlink:label="lab_bsac_SegmentReportingAssetThreshold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment reporting, asset threshold</link:label>
    <link:label id="lab_bsac_SegmentReportingAssetThreshold_label_en-US" xlink:label="lab_bsac_SegmentReportingAssetThreshold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting, Asset Threshold</link:label>
    <link:label id="lab_bsac_SegmentReportingAssetThreshold_documentation_en-US" xlink:label="lab_bsac_SegmentReportingAssetThreshold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Segment Reporting, Asset Threshold</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SegmentReportingAssetThreshold" xlink:href="bsac-20251231.xsd#bsac_SegmentReportingAssetThreshold"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SegmentReportingAssetThreshold" xlink:to="lab_bsac_SegmentReportingAssetThreshold" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_WealthManagementInsuranceMember_3947ba7c-068c-452b-8033-e5e67a2fc603_terseLabel_en-US" xlink:label="lab_bsac_WealthManagementInsuranceMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Wealth Management &amp; Insurance</link:label>
    <link:label id="lab_bsac_WealthManagementInsuranceMember_label_en-US" xlink:label="lab_bsac_WealthManagementInsuranceMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Wealth Management &amp; Insurance [Member]</link:label>
    <link:label id="lab_bsac_WealthManagementInsuranceMember_documentation_en-US" xlink:label="lab_bsac_WealthManagementInsuranceMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Wealth Management &amp; Insurance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_WealthManagementInsuranceMember" xlink:href="bsac-20251231.xsd#bsac_WealthManagementInsuranceMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_WealthManagementInsuranceMember" xlink:to="lab_bsac_WealthManagementInsuranceMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeExpenseFromFinancialOperationsAndNetForeignExchangeGainLoss_d1e7c539-72de-4597-94e9-350ce2d8b869_terseLabel_en-US" xlink:label="lab_bsac_NetIncomeExpenseFromFinancialOperationsAndNetForeignExchangeGainLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income (expense) from financial operations and net foreign exchange gain (loss)</link:label>
    <link:label id="lab_bsac_NetIncomeExpenseFromFinancialOperationsAndNetForeignExchangeGainLoss_label_en-US" xlink:label="lab_bsac_NetIncomeExpenseFromFinancialOperationsAndNetForeignExchangeGainLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Expense From Financial Operations And Net Foreign Exchange Gain Loss</link:label>
    <link:label id="lab_bsac_NetIncomeExpenseFromFinancialOperationsAndNetForeignExchangeGainLoss_documentation_en-US" xlink:label="lab_bsac_NetIncomeExpenseFromFinancialOperationsAndNetForeignExchangeGainLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about net income expense from financial operations and net foreign exchange gain loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeExpenseFromFinancialOperationsAndNetForeignExchangeGainLoss" xlink:href="bsac-20251231.xsd#bsac_NetIncomeExpenseFromFinancialOperationsAndNetForeignExchangeGainLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomeExpenseFromFinancialOperationsAndNetForeignExchangeGainLoss" xlink:to="lab_bsac_NetIncomeExpenseFromFinancialOperationsAndNetForeignExchangeGainLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember_217acc60-94cb-4900-a4d7-5ef31d61b736_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities at amortised cost</link:label>
    <link:label id="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember_label_en-US" xlink:label="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial liabilities at amortised cost, category [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:to="lab_ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfEntityRemainingRevenue_fb8409a7-c477-407d-a92f-b98ee35c250f_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfEntityRemainingRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Profits used to increase the banks reserves</link:label>
    <link:label id="lab_bsac_PercentageOfEntityRemainingRevenue_label_en-US" xlink:label="lab_bsac_PercentageOfEntityRemainingRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Entity Remaining Revenue</link:label>
    <link:label id="lab_bsac_PercentageOfEntityRemainingRevenue_documentation_en-US" xlink:label="lab_bsac_PercentageOfEntityRemainingRevenue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of entity remaining revenue.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfEntityRemainingRevenue" xlink:href="bsac-20251231.xsd#bsac_PercentageOfEntityRemainingRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfEntityRemainingRevenue" xlink:to="lab_bsac_PercentageOfEntityRemainingRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RegulatoryAdjustmentsAndExclusionsPercentage_019c2253-3940-72c4-984c-8a1bc8c79550_terseLabel_en-US" xlink:label="lab_bsac_RegulatoryAdjustmentsAndExclusionsPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory adjustments and exclusions percentage</link:label>
    <link:label id="lab_bsac_RegulatoryAdjustmentsAndExclusionsPercentage_label_en-US" xlink:label="lab_bsac_RegulatoryAdjustmentsAndExclusionsPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulatory Adjustments And Exclusions Percentage</link:label>
    <link:label id="lab_bsac_RegulatoryAdjustmentsAndExclusionsPercentage_documentation_en-US" xlink:label="lab_bsac_RegulatoryAdjustmentsAndExclusionsPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Regulatory Adjustments And Exclusions Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RegulatoryAdjustmentsAndExclusionsPercentage" xlink:href="bsac-20251231.xsd#bsac_RegulatoryAdjustmentsAndExclusionsPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RegulatoryAdjustmentsAndExclusionsPercentage" xlink:to="lab_bsac_RegulatoryAdjustmentsAndExclusionsPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExternalServiceOfCustodyOfDocumentation_d09796d4-126f-4cb0-8173-4a4ebaf0ed9d_negatedTerseLabel_en-US" xlink:label="lab_bsac_ExternalServiceOfCustodyOfDocumentation" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Security and valuables transport services</link:label>
    <link:label id="lab_bsac_ExternalServiceOfCustodyOfDocumentation_label_en-US" xlink:label="lab_bsac_ExternalServiceOfCustodyOfDocumentation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">External Service Of Custody Of Documentation</link:label>
    <link:label id="lab_bsac_ExternalServiceOfCustodyOfDocumentation_documentation_en-US" xlink:label="lab_bsac_ExternalServiceOfCustodyOfDocumentation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">External service of custody of documentation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExternalServiceOfCustodyOfDocumentation" xlink:href="bsac-20251231.xsd#bsac_ExternalServiceOfCustodyOfDocumentation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExternalServiceOfCustodyOfDocumentation" xlink:to="lab_bsac_ExternalServiceOfCustodyOfDocumentation" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ReversalOfImpairmentLossRecognisedInComprehensiveIncomePropertyPlantAndEquipmentOther_20008b33-327a-49c5-9a4a-7e3087011377_negatedTerseLabel_en-US" xlink:label="lab_bsac_ReversalOfImpairmentLossRecognisedInComprehensiveIncomePropertyPlantAndEquipmentOther" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_bsac_ReversalOfImpairmentLossRecognisedInComprehensiveIncomePropertyPlantAndEquipmentOther_label_en-US" xlink:label="lab_bsac_ReversalOfImpairmentLossRecognisedInComprehensiveIncomePropertyPlantAndEquipmentOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reversal Of Impairment Loss Recognised In Comprehensive Income Property Plant And Equipment Other</link:label>
    <link:label id="lab_bsac_ReversalOfImpairmentLossRecognisedInComprehensiveIncomePropertyPlantAndEquipmentOther_documentation_en-US" xlink:label="lab_bsac_ReversalOfImpairmentLossRecognisedInComprehensiveIncomePropertyPlantAndEquipmentOther" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of reversal of impairment loss recognised in other comprehensive income for property, plant and equipment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ReversalOfImpairmentLossRecognisedInComprehensiveIncomePropertyPlantAndEquipmentOther" xlink:href="bsac-20251231.xsd#bsac_ReversalOfImpairmentLossRecognisedInComprehensiveIncomePropertyPlantAndEquipmentOther"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ReversalOfImpairmentLossRecognisedInComprehensiveIncomePropertyPlantAndEquipmentOther" xlink:to="lab_bsac_ReversalOfImpairmentLossRecognisedInComprehensiveIncomePropertyPlantAndEquipmentOther" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember_a9f51c50-c932-4e33-b58f-6cd9ddfb09b9_terseLabel_en-US" xlink:label="lab_ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected credit losses individually assessed</link:label>
    <link:label id="lab_ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember_label_en-US" xlink:label="lab_ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected credit losses individually assessed [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" xlink:to="lab_ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Short-TermFinancialManagementPortfolioAvailableMargin_9e6e5a70-c01f-4a4e-96bd-9b923002bfda_terseLabel_en-US" xlink:label="lab_bsac_Short-TermFinancialManagementPortfolioAvailableMargin" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available margin</link:label>
    <link:label id="lab_bsac_Short-TermFinancialManagementPortfolioAvailableMargin_label_en-US" xlink:label="lab_bsac_Short-TermFinancialManagementPortfolioAvailableMargin" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short- Term Financial Management Portfolio Available Margin</link:label>
    <link:label id="lab_bsac_Short-TermFinancialManagementPortfolioAvailableMargin_documentation_en-US" xlink:label="lab_bsac_Short-TermFinancialManagementPortfolioAvailableMargin" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of the contractual service margin.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Short-TermFinancialManagementPortfolioAvailableMargin" xlink:href="bsac-20251231.xsd#bsac_Short-TermFinancialManagementPortfolioAvailableMargin"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Short-TermFinancialManagementPortfolioAvailableMargin" xlink:to="lab_bsac_Short-TermFinancialManagementPortfolioAvailableMargin" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmountGeneratingAnEffectOnResults_019bf8e2-7d06-7916-b608-5bacab56bb0d_terseLabel_en-US" xlink:label="lab_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmountGeneratingAnEffectOnResults" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value with effects on other comprehensive income amount generating an effect on results</link:label>
    <link:label id="lab_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmountGeneratingAnEffectOnResults_label_en-US" xlink:label="lab_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmountGeneratingAnEffectOnResults" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value With Effects On Other Comprehensive Income Amount Generating An Effect On Results</link:label>
    <link:label id="lab_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmountGeneratingAnEffectOnResults_documentation_en-US" xlink:label="lab_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmountGeneratingAnEffectOnResults" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Value With Effects On Other Comprehensive Income Amount Generating An Effect On Results</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmountGeneratingAnEffectOnResults" xlink:href="bsac-20251231.xsd#bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmountGeneratingAnEffectOnResults"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmountGeneratingAnEffectOnResults" xlink:to="lab_bsac_FairValueWithEffectsOnOtherComprehensiveIncomeAmountGeneratingAnEffectOnResults" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MandatoryDividendMember_c13fbc49-ba53-4470-a4c7-ea9a604bffad_terseLabel_en-US" xlink:label="lab_bsac_MandatoryDividendMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mandatory Dividend</link:label>
    <link:label id="lab_bsac_MandatoryDividendMember_label_en-US" xlink:label="lab_bsac_MandatoryDividendMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mandatory Dividend [Member]</link:label>
    <link:label id="lab_bsac_MandatoryDividendMember_documentation_en-US" xlink:label="lab_bsac_MandatoryDividendMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mandatory Dividend</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MandatoryDividendMember" xlink:href="bsac-20251231.xsd#bsac_MandatoryDividendMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MandatoryDividendMember" xlink:to="lab_bsac_MandatoryDividendMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LiabilityCompensatedInBalance_e4ccbfc5-2ede-4999-9ffa-210267f5d2c4_terseLabel_en-US" xlink:label="lab_bsac_LiabilityCompensatedInBalance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Compensated in balance</link:label>
    <link:label id="lab_bsac_LiabilityCompensatedInBalance_label_en-US" xlink:label="lab_bsac_LiabilityCompensatedInBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liability Compensated In Balance</link:label>
    <link:label id="lab_bsac_LiabilityCompensatedInBalance_documentation_en-US" xlink:label="lab_bsac_LiabilityCompensatedInBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Liability compensated balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LiabilityCompensatedInBalance" xlink:href="bsac-20251231.xsd#bsac_LiabilityCompensatedInBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LiabilityCompensatedInBalance" xlink:to="lab_bsac_LiabilityCompensatedInBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD110723Member_019b9f55-913e-7a13-ad2b-882ea98ae6a9_terseLabel_en-US" xlink:label="lab_bsac_BSTD110723Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD110723</link:label>
    <link:label id="lab_bsac_BSTD110723Member_label_en-US" xlink:label="lab_bsac_BSTD110723Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD110723 [Member]</link:label>
    <link:label id="lab_bsac_BSTD110723Member_documentation_en-US" xlink:label="lab_bsac_BSTD110723Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD110723</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD110723Member" xlink:href="bsac-20251231.xsd#bsac_BSTD110723Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD110723Member" xlink:to="lab_bsac_BSTD110723Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesRepurchaseAgreements_019c77cb-ca58-7142-ba57-b555bd3aa342_negatedLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesRepurchaseAgreements" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repurchase agreements</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesRepurchaseAgreements_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesRepurchaseAgreements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Repurchase Agreements</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesRepurchaseAgreements_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesRepurchaseAgreements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Repurchase Agreements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesRepurchaseAgreements" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesRepurchaseAgreements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesRepurchaseAgreements" xlink:to="lab_bsac_ExpectedCreditLossesRepurchaseAgreements" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PastDueStatusAxis_d4a1bc6d-9012-48a5-86e5-ceda1e63c3ce_terseLabel_en-US" xlink:label="lab_ifrs-full_PastDueStatusAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Past due status [axis]</link:label>
    <link:label id="lab_ifrs-full_PastDueStatusAxis_label_en-US" xlink:label="lab_ifrs-full_PastDueStatusAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Past due status [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PastDueStatusAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PastDueStatusAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastDueStatusAxis" xlink:to="lab_ifrs-full_PastDueStatusAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems_54c22a6a-8d13-4912-8b1c-dd3c03c3ad81_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets at Fair Value Through Other Comprehensive Income [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets at Fair Value Through Other Comprehensive Income [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Assets at Fair Value Through Other Comprehensive Income [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:to="lab_bsac_ScheduleOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PerformanceGuarantees_18097938-2be3-4ab3-8d25-11df5f7150b1_terseLabel_en-US" xlink:label="lab_bsac_PerformanceGuarantees" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Performance guarantees</link:label>
    <link:label id="lab_bsac_PerformanceGuarantees_label_en-US" xlink:label="lab_bsac_PerformanceGuarantees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Performance Guarantees</link:label>
    <link:label id="lab_bsac_PerformanceGuarantees_documentation_en-US" xlink:label="lab_bsac_PerformanceGuarantees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of performance guarantees.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PerformanceGuarantees" xlink:href="bsac-20251231.xsd#bsac_PerformanceGuarantees"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PerformanceGuarantees" xlink:to="lab_bsac_PerformanceGuarantees" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A4Member_4d3987a9-e8a3-4746-94f4-8ee1db903b85_terseLabel_en-US" xlink:label="lab_bsac_A4Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">A4</link:label>
    <link:label id="lab_bsac_A4Member_label_en-US" xlink:label="lab_bsac_A4Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">A4 [Member]</link:label>
    <link:label id="lab_bsac_A4Member_documentation_en-US" xlink:label="lab_bsac_A4Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A4</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A4Member" xlink:href="bsac-20251231.xsd#bsac_A4Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A4Member" xlink:to="lab_bsac_A4Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SumitomoMitsuiBankingCorporationMember_073c00fb-c62b-472a-bccd-48b4c90b05f8_terseLabel_en-US" xlink:label="lab_bsac_SumitomoMitsuiBankingCorporationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sumitomo Mitsui Banking Corporation</link:label>
    <link:label id="lab_bsac_SumitomoMitsuiBankingCorporationMember_label_en-US" xlink:label="lab_bsac_SumitomoMitsuiBankingCorporationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sumitomo Mitsui Banking Corporation [Member]</link:label>
    <link:label id="lab_bsac_SumitomoMitsuiBankingCorporationMember_documentation_en-US" xlink:label="lab_bsac_SumitomoMitsuiBankingCorporationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sumitomo Mitsui Banking Corporation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SumitomoMitsuiBankingCorporationMember" xlink:href="bsac-20251231.xsd#bsac_SumitomoMitsuiBankingCorporationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SumitomoMitsuiBankingCorporationMember" xlink:to="lab_bsac_SumitomoMitsuiBankingCorporationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_5fd8f49a-1b67-421c-8b25-98888aae83d0_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other adjustments</link:label>
    <link:label id="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign exchange gain (loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory_0bb0a998-a530-4b7f-a333-6ace4179d2b1_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Breakdown by Maturity</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherMinorityHoldersMember_0b08e705-bf99-4fcf-ad58-e073d0bea772_terseLabel_en-US" xlink:label="lab_bsac_OtherMinorityHoldersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other minority holders</link:label>
    <link:label id="lab_bsac_OtherMinorityHoldersMember_label_en-US" xlink:label="lab_bsac_OtherMinorityHoldersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Minority Holders [Member]</link:label>
    <link:label id="lab_bsac_OtherMinorityHoldersMember_documentation_en-US" xlink:label="lab_bsac_OtherMinorityHoldersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Categories of related parties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherMinorityHoldersMember" xlink:href="bsac-20251231.xsd#bsac_OtherMinorityHoldersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherMinorityHoldersMember" xlink:to="lab_bsac_OtherMinorityHoldersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_HedgingInstrumentsDomain_e4a7ce26-18e3-46ce-885c-63974ee1bafd_terseLabel_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging instruments [domain]</link:label>
    <link:label id="lab_ifrs-full_HedgingInstrumentsDomain_label_en-US" xlink:label="lab_ifrs-full_HedgingInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging instruments [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_HedgingInstrumentsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_HedgingInstrumentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_HedgingInstrumentsDomain" xlink:to="lab_ifrs-full_HedgingInstrumentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OperatingLeaseIncome_3e18c1ab-6194-4a1c-b0c0-dc96cbf37314_terseLabel_en-US" xlink:label="lab_ifrs-full_OperatingLeaseIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_OperatingLeaseIncome_label_en-US" xlink:label="lab_ifrs-full_OperatingLeaseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating lease income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OperatingLeaseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OperatingLeaseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OperatingLeaseIncome" xlink:to="lab_ifrs-full_OperatingLeaseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherCashAndCashEquivalents_b1305261-38eb-446c-a30b-91d214254619_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_ifrs-full_OtherCashAndCashEquivalents_label_en-US" xlink:label="lab_ifrs-full_OtherCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCashAndCashEquivalents" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCashAndCashEquivalents" xlink:to="lab_ifrs-full_OtherCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Director1Member_97fd462d-0f29-4e54-b81a-7386e1b8f53b_terseLabel_en-US" xlink:label="lab_bsac_Director1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Director</link:label>
    <link:label id="lab_bsac_Director1Member_label_en-US" xlink:label="lab_bsac_Director1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Director1 [Member]</link:label>
    <link:label id="lab_bsac_Director1Member_documentation_en-US" xlink:label="lab_bsac_Director1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Person serving on the board of directors.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Director1Member" xlink:href="bsac-20251231.xsd#bsac_Director1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Director1Member" xlink:to="lab_bsac_Director1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PensionPlanInterest_039f68e7-6f76-4f88-87f9-19e870b66ef9_terseLabel_en-US" xlink:label="lab_bsac_PensionPlanInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension plan interest</link:label>
    <link:label id="lab_bsac_PensionPlanInterest_label_en-US" xlink:label="lab_bsac_PensionPlanInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Plan Interest</link:label>
    <link:label id="lab_bsac_PensionPlanInterest_documentation_en-US" xlink:label="lab_bsac_PensionPlanInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Pension plan interest.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PensionPlanInterest" xlink:href="bsac-20251231.xsd#bsac_PensionPlanInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PensionPlanInterest" xlink:to="lab_bsac_PensionPlanInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherFeesEarned_9ea68668-4bfc-4c3c-bf18-9e558d6affdb_terseLabel_en-US" xlink:label="lab_bsac_OtherFeesEarned" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other fees earned</link:label>
    <link:label id="lab_bsac_OtherFeesEarned_label_en-US" xlink:label="lab_bsac_OtherFeesEarned" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Fees Earned</link:label>
    <link:label id="lab_bsac_OtherFeesEarned_documentation_en-US" xlink:label="lab_bsac_OtherFeesEarned" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other fees earned.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherFeesEarned" xlink:href="bsac-20251231.xsd#bsac_OtherFeesEarned"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherFeesEarned" xlink:to="lab_bsac_OtherFeesEarned" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderAsesorasFinancierasLimitadaMember_9f7a1b13-e904-4702-902b-bd3daceb92f3_terseLabel_en-US" xlink:label="lab_bsac_SantanderAsesorasFinancierasLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Asesor&#237;as Financieras Limitada</link:label>
    <link:label id="lab_bsac_SantanderAsesorasFinancierasLimitadaMember_label_en-US" xlink:label="lab_bsac_SantanderAsesorasFinancierasLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Asesoras Financieras Limitada [Member]</link:label>
    <link:label id="lab_bsac_SantanderAsesorasFinancierasLimitadaMember_documentation_en-US" xlink:label="lab_bsac_SantanderAsesorasFinancierasLimitadaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Asesoras Financieras Limitada</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderAsesorasFinancierasLimitadaMember" xlink:href="bsac-20251231.xsd#bsac_SantanderAsesorasFinancierasLimitadaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderAsesorasFinancierasLimitadaMember" xlink:to="lab_bsac_SantanderAsesorasFinancierasLimitadaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialInvestmentsMember_15ec8bfa-2180-48b7-9fb5-20992b1eaa21_terseLabel_en-US" xlink:label="lab_bsac_FinancialInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Investments</link:label>
    <link:label id="lab_bsac_FinancialInvestmentsMember_label_en-US" xlink:label="lab_bsac_FinancialInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Investments [Member]</link:label>
    <link:label id="lab_bsac_FinancialInvestmentsMember_documentation_en-US" xlink:label="lab_bsac_FinancialInvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialInvestmentsMember" xlink:href="bsac-20251231.xsd#bsac_FinancialInvestmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialInvestmentsMember" xlink:to="lab_bsac_FinancialInvestmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MarketRiskEffectEffectOnCapital_fa504c95-2d53-4f89-9cb5-27c6f638cdd7_terseLabel_en-US" xlink:label="lab_bsac_MarketRiskEffectEffectOnCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effect on capital</link:label>
    <link:label id="lab_bsac_MarketRiskEffectEffectOnCapital_label_en-US" xlink:label="lab_bsac_MarketRiskEffectEffectOnCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Risk Effect Effect On Capital</link:label>
    <link:label id="lab_bsac_MarketRiskEffectEffectOnCapital_documentation_en-US" xlink:label="lab_bsac_MarketRiskEffectEffectOnCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market Risk Effect Effect On Capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MarketRiskEffectEffectOnCapital" xlink:href="bsac-20251231.xsd#bsac_MarketRiskEffectEffectOnCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MarketRiskEffectEffectOnCapital" xlink:to="lab_bsac_MarketRiskEffectEffectOnCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfSeniorBondsByCurrencyLineItems_cd31f3cf-2b7b-4f5f-a21b-e1b6756c7c39_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfSeniorBondsByCurrencyLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Senior Bonds by Currency [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfSeniorBondsByCurrencyLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfSeniorBondsByCurrencyLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Senior Bonds by Currency [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfSeniorBondsByCurrencyLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfSeniorBondsByCurrencyLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Senior Bonds by Currency [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfSeniorBondsByCurrencyLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfSeniorBondsByCurrencyLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfSeniorBondsByCurrencyLineItems" xlink:to="lab_bsac_ScheduleOfSeniorBondsByCurrencyLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OutsourcesServices_acab9c65-d38b-4008-9dc1-437a49caf684_negatedTerseLabel_en-US" xlink:label="lab_bsac_OutsourcesServices" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_bsac_OutsourcesServices_label_en-US" xlink:label="lab_bsac_OutsourcesServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Outsources Services</link:label>
    <link:label id="lab_bsac_OutsourcesServices_documentation_en-US" xlink:label="lab_bsac_OutsourcesServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of outsourcing expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OutsourcesServices" xlink:href="bsac-20251231.xsd#bsac_OutsourcesServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OutsourcesServices" xlink:to="lab_bsac_OutsourcesServices" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NewAssetsPurchased_8c1d67e1-b80c-4d3c-b159-abc230cc62e1_terseLabel_en-US" xlink:label="lab_bsac_NewAssetsPurchased" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New financial assets purchased</link:label>
    <link:label id="lab_bsac_NewAssetsPurchased_label_en-US" xlink:label="lab_bsac_NewAssetsPurchased" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Assets Purchased</link:label>
    <link:label id="lab_bsac_NewAssetsPurchased_documentation_en-US" xlink:label="lab_bsac_NewAssetsPurchased" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New Assets Purchased.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NewAssetsPurchased" xlink:href="bsac-20251231.xsd#bsac_NewAssetsPurchased"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NewAssetsPurchased" xlink:to="lab_bsac_NewAssetsPurchased" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressesAddressTypeAxis_1bd90f46-0b98-4652-8f58-85add20f6c5f_terseLabel_en-US" xlink:label="lab_dei_EntityAddressesAddressTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Addresses, Address Type [Axis]</link:label>
    <link:label id="lab_dei_EntityAddressesAddressTypeAxis_label_en-US" xlink:label="lab_dei_EntityAddressesAddressTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Addresses, Address Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesAddressTypeAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressesAddressTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressesAddressTypeAxis" xlink:to="lab_dei_EntityAddressesAddressTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InvestmentInGold_b1b46ede-a152-40e7-9063-82f32133fdc8_terseLabel_en-US" xlink:label="lab_bsac_InvestmentInGold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gold investments</link:label>
    <link:label id="lab_bsac_InvestmentInGold_label_en-US" xlink:label="lab_bsac_InvestmentInGold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment In Gold</link:label>
    <link:label id="lab_bsac_InvestmentInGold_documentation_en-US" xlink:label="lab_bsac_InvestmentInGold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investments held in physical commodities, such as gold.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InvestmentInGold" xlink:href="bsac-20251231.xsd#bsac_InvestmentInGold"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InvestmentInGold" xlink:to="lab_bsac_InvestmentInGold" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChileanCentralBankAndGovernmentSecuritiesMember_abd3c81d-5e4f-4407-a320-b42f5bef093e_terseLabel_en-US" xlink:label="lab_bsac_ChileanCentralBankAndGovernmentSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chilean Central Bank and Government securities</link:label>
    <link:label id="lab_bsac_ChileanCentralBankAndGovernmentSecuritiesMember_d80a23e1-1c11-4f37-9bbc-0d9ac7d11d9c_verboseLabel_en-US" xlink:label="lab_bsac_ChileanCentralBankAndGovernmentSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other Chilean government financial instruments</link:label>
    <link:label id="lab_bsac_ChileanCentralBankAndGovernmentSecuritiesMember_label_en-US" xlink:label="lab_bsac_ChileanCentralBankAndGovernmentSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chilean Central Bank And Government Securities [Member]</link:label>
    <link:label id="lab_bsac_ChileanCentralBankAndGovernmentSecuritiesMember_documentation_en-US" xlink:label="lab_bsac_ChileanCentralBankAndGovernmentSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chilean Central Bank And Government Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChileanCentralBankAndGovernmentSecuritiesMember" xlink:href="bsac-20251231.xsd#bsac_ChileanCentralBankAndGovernmentSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChileanCentralBankAndGovernmentSecuritiesMember" xlink:to="lab_bsac_ChileanCentralBankAndGovernmentSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FairValueTransfersFromStage1ToStage2_5c588ff0-7d14-4280-9dbc-4ce3fe33f2ec_terseLabel_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage1ToStage2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 1 to stage 2</link:label>
    <link:label id="lab_bsac_FairValueTransfersFromStage1ToStage2_label_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage1ToStage2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Transfers From Stage1 To Stage2</link:label>
    <link:label id="lab_bsac_FairValueTransfersFromStage1ToStage2_documentation_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage1ToStage2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of fair value transfers from stage 1 to stage 2.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FairValueTransfersFromStage1ToStage2" xlink:href="bsac-20251231.xsd#bsac_FairValueTransfersFromStage1ToStage2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FairValueTransfersFromStage1ToStage2" xlink:to="lab_bsac_FairValueTransfersFromStage1ToStage2" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfAllowanceAndExposureAtDefaultEADOfLoansTableTextBlock_8d29adcd-4a82-4312-897f-6aafd58cc50d_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfAllowanceAndExposureAtDefaultEADOfLoansTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Allowance and Exposure at Default (Ead) of the Loans</link:label>
    <link:label id="lab_bsac_DisclosureOfAllowanceAndExposureAtDefaultEADOfLoansTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfAllowanceAndExposureAtDefaultEADOfLoansTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Allowance And Exposure At Default EADOf Loans [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfAllowanceAndExposureAtDefaultEADOfLoansTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfAllowanceAndExposureAtDefaultEADOfLoansTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of allowance and exposure at default (EAD) of the loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfAllowanceAndExposureAtDefaultEADOfLoansTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfAllowanceAndExposureAtDefaultEADOfLoansTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfAllowanceAndExposureAtDefaultEADOfLoansTableTextBlock" xlink:to="lab_bsac_DisclosureOfAllowanceAndExposureAtDefaultEADOfLoansTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BnpParibasSaMember_2b885bc1-7c7c-4a66-bb5f-0155b72cbabf_terseLabel_en-US" xlink:label="lab_bsac_BnpParibasSaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bnp Paribas Sa</link:label>
    <link:label id="lab_bsac_BnpParibasSaMember_label_en-US" xlink:label="lab_bsac_BnpParibasSaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bnp Paribas Sa [Member]</link:label>
    <link:label id="lab_bsac_BnpParibasSaMember_documentation_en-US" xlink:label="lab_bsac_BnpParibasSaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bnp Paribas Sa</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BnpParibasSaMember" xlink:href="bsac-20251231.xsd#bsac_BnpParibasSaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BnpParibasSaMember" xlink:to="lab_bsac_BnpParibasSaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FairValueTransfersFromStage1ToStage3_f01d7727-05ab-44f4-af97-d4aa268ec51c_terseLabel_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage1ToStage3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 1 to stage 3</link:label>
    <link:label id="lab_bsac_FairValueTransfersFromStage1ToStage3_label_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage1ToStage3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Transfers From Stage1 To Stage3</link:label>
    <link:label id="lab_bsac_FairValueTransfersFromStage1ToStage3_documentation_en-US" xlink:label="lab_bsac_FairValueTransfersFromStage1ToStage3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of transfers from stage 1 to stage 3.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FairValueTransfersFromStage1ToStage3" xlink:href="bsac-20251231.xsd#bsac_FairValueTransfersFromStage1ToStage3"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FairValueTransfersFromStage1ToStage3" xlink:to="lab_bsac_FairValueTransfersFromStage1ToStage3" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisposalsAndImpairmentOfAccumulatedAmortisation_2f16c93f-8cab-4a85-9647-7a715f5bde41_negatedTerseLabel_en-US" xlink:label="lab_bsac_DisposalsAndImpairmentOfAccumulatedAmortisation" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Disposals</link:label>
    <link:label id="lab_bsac_DisposalsAndImpairmentOfAccumulatedAmortisation_label_en-US" xlink:label="lab_bsac_DisposalsAndImpairmentOfAccumulatedAmortisation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposals And Impairment Of Accumulated Amortisation</link:label>
    <link:label id="lab_bsac_DisposalsAndImpairmentOfAccumulatedAmortisation_documentation_en-US" xlink:label="lab_bsac_DisposalsAndImpairmentOfAccumulatedAmortisation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accumulated amortisation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisposalsAndImpairmentOfAccumulatedAmortisation" xlink:href="bsac-20251231.xsd#bsac_DisposalsAndImpairmentOfAccumulatedAmortisation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisposalsAndImpairmentOfAccumulatedAmortisation" xlink:to="lab_bsac_DisposalsAndImpairmentOfAccumulatedAmortisation" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherDomesticObligationsMember_9fbb3a5d-7364-4690-ab24-2cdbedef85c6_terseLabel_en-US" xlink:label="lab_bsac_OtherDomesticObligationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other domestic obligations</link:label>
    <link:label id="lab_bsac_OtherDomesticObligationsMember_label_en-US" xlink:label="lab_bsac_OtherDomesticObligationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Domestic Obligations [Member]</link:label>
    <link:label id="lab_bsac_OtherDomesticObligationsMember_documentation_en-US" xlink:label="lab_bsac_OtherDomesticObligationsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Domestic Obligations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherDomesticObligationsMember" xlink:href="bsac-20251231.xsd#bsac_OtherDomesticObligationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherDomesticObligationsMember" xlink:to="lab_bsac_OtherDomesticObligationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HedgingInstrumentNetFlowsMember_25f3cf0b-5e28-4db7-afa8-d9b07f397c85_terseLabel_en-US" xlink:label="lab_bsac_HedgingInstrumentNetFlowsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net flows</link:label>
    <link:label id="lab_bsac_HedgingInstrumentNetFlowsMember_label_en-US" xlink:label="lab_bsac_HedgingInstrumentNetFlowsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging Instrument Net Flows [Member]</link:label>
    <link:label id="lab_bsac_HedgingInstrumentNetFlowsMember_documentation_en-US" xlink:label="lab_bsac_HedgingInstrumentNetFlowsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hedging Instrument Net Flows</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HedgingInstrumentNetFlowsMember" xlink:href="bsac-20251231.xsd#bsac_HedgingInstrumentNetFlowsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HedgingInstrumentNetFlowsMember" xlink:to="lab_bsac_HedgingInstrumentNetFlowsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommerzbankAgMember_db345c4b-72b6-4ff7-93f3-695a05440311_terseLabel_en-US" xlink:label="lab_bsac_CommerzbankAgMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commerzbank Ag</link:label>
    <link:label id="lab_bsac_CommerzbankAgMember_label_en-US" xlink:label="lab_bsac_CommerzbankAgMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commerzbank Ag [Member]</link:label>
    <link:label id="lab_bsac_CommerzbankAgMember_documentation_en-US" xlink:label="lab_bsac_CommerzbankAgMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commerzbank Ag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommerzbankAgMember" xlink:href="bsac-20251231.xsd#bsac_CommerzbankAgMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommerzbankAgMember" xlink:to="lab_bsac_CommerzbankAgMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionsForLoanLossesForInterbankLoansAndAccountReceivable_5f93b08e-45a9-42d2-983d-7afd1539779b_terseLabel_en-US" xlink:label="lab_bsac_ProvisionsForLoanLossesForInterbankLoansAndAccountReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions for loan losses for interbank loans and account receivable from customers</link:label>
    <link:label id="lab_bsac_ProvisionsForLoanLossesForInterbankLoansAndAccountReceivable_label_en-US" xlink:label="lab_bsac_ProvisionsForLoanLossesForInterbankLoansAndAccountReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions For Loan Losses For Interbank Loans And Account Receivable</link:label>
    <link:label id="lab_bsac_ProvisionsForLoanLossesForInterbankLoansAndAccountReceivable_documentation_en-US" xlink:label="lab_bsac_ProvisionsForLoanLossesForInterbankLoansAndAccountReceivable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provisions For Loan Losses For Interbank Loans And Account Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionsForLoanLossesForInterbankLoansAndAccountReceivable" xlink:href="bsac-20251231.xsd#bsac_ProvisionsForLoanLossesForInterbankLoansAndAccountReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionsForLoanLossesForInterbankLoansAndAccountReceivable" xlink:to="lab_bsac_ProvisionsForLoanLossesForInterbankLoansAndAccountReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfCompositionOfLeaseLiabilityBalancesTableExplanatoryTableTextBlock_e3ad7b8f-6bc7-4428-bc9b-3cce0c0874ab_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfCompositionOfLeaseLiabilityBalancesTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Composition of Lease Liability Balances</link:label>
    <link:label id="lab_bsac_DisclosureOfCompositionOfLeaseLiabilityBalancesTableExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfCompositionOfLeaseLiabilityBalancesTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Composition Of Lease Liability BalancesTable Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfCompositionOfLeaseLiabilityBalancesTableExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfCompositionOfLeaseLiabilityBalancesTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of composition of lease liability balances.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfCompositionOfLeaseLiabilityBalancesTableExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfCompositionOfLeaseLiabilityBalancesTableExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfCompositionOfLeaseLiabilityBalancesTableExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfCompositionOfLeaseLiabilityBalancesTableExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ReclassificationAdjustmentsOnCashFlowHedgeNetOfTax_808a1a5d-177a-4de6-9813-75f47b9f6e21_terseLabel_en-US" xlink:label="lab_bsac_ReclassificationAdjustmentsOnCashFlowHedgeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flow hedge net gain (loss)</link:label>
    <link:label id="lab_bsac_ReclassificationAdjustmentsOnCashFlowHedgeNetOfTax_label_en-US" xlink:label="lab_bsac_ReclassificationAdjustmentsOnCashFlowHedgeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification Adjustments On Cash Flow Hedge Net Of Tax</link:label>
    <link:label id="lab_bsac_ReclassificationAdjustmentsOnCashFlowHedgeNetOfTax_documentation_en-US" xlink:label="lab_bsac_ReclassificationAdjustmentsOnCashFlowHedgeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of reclassification adjustments related to cash flow hedges, net of tax. Reclassification adjustments are amounts reclassified to profit (loss) in the current period that were recognised in other comprehensive income in the current or previous periods. [Refer: Cash flow hedges [member]; Other comprehensive income]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ReclassificationAdjustmentsOnCashFlowHedgeNetOfTax" xlink:href="bsac-20251231.xsd#bsac_ReclassificationAdjustmentsOnCashFlowHedgeNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ReclassificationAdjustmentsOnCashFlowHedgeNetOfTax" xlink:to="lab_bsac_ReclassificationAdjustmentsOnCashFlowHedgeNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtFinancialInstrumentsMember_7e037ef5-7a20-4426-86c9-2100845ffbb0_terseLabel_en-US" xlink:label="lab_bsac_DebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt financial instruments</link:label>
    <link:label id="lab_bsac_DebtFinancialInstrumentsMember_label_en-US" xlink:label="lab_bsac_DebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Financial Instruments [Member]</link:label>
    <link:label id="lab_bsac_DebtFinancialInstrumentsMember_documentation_en-US" xlink:label="lab_bsac_DebtFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtFinancialInstrumentsMember" xlink:href="bsac-20251231.xsd#bsac_DebtFinancialInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtFinancialInstrumentsMember" xlink:to="lab_bsac_DebtFinancialInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AfterAdjustmentMember_019c58a3-94d9-7767-a9b1-b03dadb327fc_terseLabel_en-US" xlink:label="lab_bsac_AfterAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">After Adjustment</link:label>
    <link:label id="lab_bsac_AfterAdjustmentMember_label_en-US" xlink:label="lab_bsac_AfterAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">After Adjustment [Member]</link:label>
    <link:label id="lab_bsac_AfterAdjustmentMember_documentation_en-US" xlink:label="lab_bsac_AfterAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">After Adjustment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AfterAdjustmentMember" xlink:href="bsac-20251231.xsd#bsac_AfterAdjustmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AfterAdjustmentMember" xlink:to="lab_bsac_AfterAdjustmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CheckingAccountsMember_093c8901-25da-4cc5-aafc-29fc1ac6e8b5_terseLabel_en-US" xlink:label="lab_bsac_CheckingAccountsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Checking accounts</link:label>
    <link:label id="lab_bsac_CheckingAccountsMember_label_en-US" xlink:label="lab_bsac_CheckingAccountsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Checking Accounts [Member]</link:label>
    <link:label id="lab_bsac_CheckingAccountsMember_documentation_en-US" xlink:label="lab_bsac_CheckingAccountsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Checking Accounts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CheckingAccountsMember" xlink:href="bsac-20251231.xsd#bsac_CheckingAccountsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CheckingAccountsMember" xlink:to="lab_bsac_CheckingAccountsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis_50a693fb-e2a5-4888-83c4-c74b71b3dd27_terseLabel_en-US" xlink:label="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Continuing involvement in derecognised financial assets by type of instrument [axis]</link:label>
    <link:label id="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis_label_en-US" xlink:label="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Continuing involvement in derecognised financial assets by type of instrument [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis" xlink:to="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ConsumerLoansWithOrWithoutCollateralMember_f0085772-b6e7-4a36-8c2e-74f8e789a91f_terseLabel_en-US" xlink:label="lab_bsac_ConsumerLoansWithOrWithoutCollateralMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consumer loans with or without collateral</link:label>
    <link:label id="lab_bsac_ConsumerLoansWithOrWithoutCollateralMember_label_en-US" xlink:label="lab_bsac_ConsumerLoansWithOrWithoutCollateralMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consumer Loans With Or Without Collateral [Member]</link:label>
    <link:label id="lab_bsac_ConsumerLoansWithOrWithoutCollateralMember_documentation_en-US" xlink:label="lab_bsac_ConsumerLoansWithOrWithoutCollateralMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consumer Loans With Or Without Collateral</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ConsumerLoansWithOrWithoutCollateralMember" xlink:href="bsac-20251231.xsd#bsac_ConsumerLoansWithOrWithoutCollateralMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ConsumerLoansWithOrWithoutCollateralMember" xlink:to="lab_bsac_ConsumerLoansWithOrWithoutCollateralMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForFinanceIncomeCost_108f5c08-9693-4d90-8dd2-d5a07d8fee5c_negatedLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Net interest income</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForFinanceIncomeCost_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for finance income (cost)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForFinanceIncomeCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:to="lab_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTableTextBlock_838411ad-98d4-491f-9c89-eb52c62f3691_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Instruments Deemed as Financial Trading Investments</link:label>
    <link:label id="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Instruments Deemed As Financial Trading Investments [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Instruments Deemed As Financial Trading Investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTableTextBlock" xlink:to="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdministrativeExpense_072a924a-fcfa-468e-9885-446d7cb290df_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_AdministrativeExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_AdministrativeExpense_label_en-US" xlink:label="lab_ifrs-full_AdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Administrative expenses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdministrativeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdministrativeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdministrativeExpense" xlink:to="lab_ifrs-full_AdministrativeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherFinancialLiabilitiesMember_530ef886-5601-465e-9aa5-7351bbd9d02c_terseLabel_en-US" xlink:label="lab_bsac_OtherFinancialLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other financial liabilities</link:label>
    <link:label id="lab_bsac_OtherFinancialLiabilitiesMember_label_en-US" xlink:label="lab_bsac_OtherFinancialLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Financial Liabilities [Member]</link:label>
    <link:label id="lab_bsac_OtherFinancialLiabilitiesMember_documentation_en-US" xlink:label="lab_bsac_OtherFinancialLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Financial Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherFinancialLiabilitiesMember" xlink:href="bsac-20251231.xsd#bsac_OtherFinancialLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherFinancialLiabilitiesMember" xlink:to="lab_bsac_OtherFinancialLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember_67636832-ac24-459c-8446-585866ca65fd_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due after 4 years but within 5 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than four years and not later than five years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanFourYearsAndNotLaterThanFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RealizedLosses_6e1e9266-54a8-4e9f-99f1-6867f5ec4fec_terseLabel_en-US" xlink:label="lab_bsac_RealizedLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Realized losses</link:label>
    <link:label id="lab_bsac_RealizedLosses_label_en-US" xlink:label="lab_bsac_RealizedLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Realized Losses</link:label>
    <link:label id="lab_bsac_RealizedLosses_documentation_en-US" xlink:label="lab_bsac_RealizedLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to actual or loss that occurs when an asset is converted into cash at fair market value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RealizedLosses" xlink:href="bsac-20251231.xsd#bsac_RealizedLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RealizedLosses" xlink:to="lab_bsac_RealizedLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MufgBankLtd.Member_50e1231c-f707-4b75-a3fe-00c09b2ce228_terseLabel_en-US" xlink:label="lab_bsac_MufgBankLtd.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mufg Bank, Ltd.</link:label>
    <link:label id="lab_bsac_MufgBankLtd.Member_label_en-US" xlink:label="lab_bsac_MufgBankLtd.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mufg Bank, Ltd. [Member]</link:label>
    <link:label id="lab_bsac_MufgBankLtd.Member_documentation_en-US" xlink:label="lab_bsac_MufgBankLtd.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mufg Bank, Ltd.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MufgBankLtd.Member" xlink:href="bsac-20251231.xsd#bsac_MufgBankLtd.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MufgBankLtd.Member" xlink:to="lab_bsac_MufgBankLtd.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FairValueMeasurementOfNetAssetsOrLiabilities_f6750f53-dcdf-4f79-affd-aab6f59fd440_terseLabel_en-US" xlink:label="lab_bsac_FairValueMeasurementOfNetAssetsOrLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_bsac_FairValueMeasurementOfNetAssetsOrLiabilities_label_en-US" xlink:label="lab_bsac_FairValueMeasurementOfNetAssetsOrLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Measurement Of Net Assets Or Liabilities</link:label>
    <link:label id="lab_bsac_FairValueMeasurementOfNetAssetsOrLiabilities_documentation_en-US" xlink:label="lab_bsac_FairValueMeasurementOfNetAssetsOrLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Value Measurement Of Net Assets Or Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FairValueMeasurementOfNetAssetsOrLiabilities" xlink:href="bsac-20251231.xsd#bsac_FairValueMeasurementOfNetAssetsOrLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FairValueMeasurementOfNetAssetsOrLiabilities" xlink:to="lab_bsac_FairValueMeasurementOfNetAssetsOrLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_B2Member_13f086af-aea6-4deb-bb4a-78e1b99a7d3e_terseLabel_en-US" xlink:label="lab_bsac_B2Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">B2</link:label>
    <link:label id="lab_bsac_B2Member_label_en-US" xlink:label="lab_bsac_B2Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">B2 [Member]</link:label>
    <link:label id="lab_bsac_B2Member_documentation_en-US" xlink:label="lab_bsac_B2Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">B2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_B2Member" xlink:href="bsac-20251231.xsd#bsac_B2Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_B2Member" xlink:to="lab_bsac_B2Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FairValueLiabilities_9ac331f9-e864-4c77-8f63-2fa03ba3c4c0_terseLabel_en-US" xlink:label="lab_bsac_FairValueLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value, Liabilities</link:label>
    <link:label id="lab_bsac_FairValueLiabilities_label_en-US" xlink:label="lab_bsac_FairValueLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Liabilities</link:label>
    <link:label id="lab_bsac_FairValueLiabilities_documentation_en-US" xlink:label="lab_bsac_FairValueLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of fair value Liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FairValueLiabilities" xlink:href="bsac-20251231.xsd#bsac_FairValueLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FairValueLiabilities" xlink:to="lab_bsac_FairValueLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoyaltyProgrammMember_58cfb4ac-330d-4997-9814-850299096c21_terseLabel_en-US" xlink:label="lab_bsac_LoyaltyProgrammMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loyalty programme</link:label>
    <link:label id="lab_bsac_LoyaltyProgrammMember_label_en-US" xlink:label="lab_bsac_LoyaltyProgrammMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loyalty Programm [Member]</link:label>
    <link:label id="lab_bsac_LoyaltyProgrammMember_documentation_en-US" xlink:label="lab_bsac_LoyaltyProgrammMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loyalty Programm</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoyaltyProgrammMember" xlink:href="bsac-20251231.xsd#bsac_LoyaltyProgrammMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoyaltyProgrammMember" xlink:to="lab_bsac_LoyaltyProgrammMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherIncreaseDecreaseInSubordinatedBonds_019c5818-f758-7ad5-8fd2-8a923725c4ec_terseLabel_en-US" xlink:label="lab_bsac_OtherIncreaseDecreaseInSubordinatedBonds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_bsac_OtherIncreaseDecreaseInSubordinatedBonds_label_en-US" xlink:label="lab_bsac_OtherIncreaseDecreaseInSubordinatedBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Increase (Decrease) In Subordinated Bonds</link:label>
    <link:label id="lab_bsac_OtherIncreaseDecreaseInSubordinatedBonds_documentation_en-US" xlink:label="lab_bsac_OtherIncreaseDecreaseInSubordinatedBonds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Increase (Decrease) In Subordinated Bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherIncreaseDecreaseInSubordinatedBonds" xlink:href="bsac-20251231.xsd#bsac_OtherIncreaseDecreaseInSubordinatedBonds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherIncreaseDecreaseInSubordinatedBonds" xlink:to="lab_bsac_OtherIncreaseDecreaseInSubordinatedBonds" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetAtFairValueThroughOtherComprehensiveIncome_07419069-9333-4ca7-8f43-1ee42e0813dd_periodStartLabel_en-US" xlink:label="lab_bsac_FinancialAssetAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Gross carrying amount, Beginning balance</link:label>
    <link:label id="lab_bsac_FinancialAssetAtFairValueThroughOtherComprehensiveIncome_3230d9ac-b477-43c2-ba7e-e2013b041154_periodEndLabel_en-US" xlink:label="lab_bsac_FinancialAssetAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Gross carrying amount, Ending balance</link:label>
    <link:label id="lab_bsac_FinancialAssetAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_bsac_FinancialAssetAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Asset At Fair Value Through Other Comprehensive Income</link:label>
    <link:label id="lab_bsac_FinancialAssetAtFairValueThroughOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_bsac_FinancialAssetAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Asset At Fair Value Through Other Comprehensive Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetAtFairValueThroughOtherComprehensiveIncome" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetAtFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_bsac_FinancialAssetAtFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FavorableScenarioOneMember_0382fe4f-4b12-44a5-a446-9e0eb81e4dea_terseLabel_en-US" xlink:label="lab_bsac_FavorableScenarioOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Favorable scenario 1</link:label>
    <link:label id="lab_bsac_FavorableScenarioOneMember_label_en-US" xlink:label="lab_bsac_FavorableScenarioOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Favorable Scenario One [Member]</link:label>
    <link:label id="lab_bsac_FavorableScenarioOneMember_documentation_en-US" xlink:label="lab_bsac_FavorableScenarioOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for favorable scenario one.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FavorableScenarioOneMember" xlink:href="bsac-20251231.xsd#bsac_FavorableScenarioOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FavorableScenarioOneMember" xlink:to="lab_bsac_FavorableScenarioOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BancoSantanderMexicoMember_019bf968-e349-72a0-8b3f-3e9ee86c11c7_terseLabel_en-US" xlink:label="lab_bsac_BancoSantanderMexicoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Banco Santander Mexico</link:label>
    <link:label id="lab_bsac_BancoSantanderMexicoMember_label_en-US" xlink:label="lab_bsac_BancoSantanderMexicoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banco Santander Mexico [Member]</link:label>
    <link:label id="lab_bsac_BancoSantanderMexicoMember_documentation_en-US" xlink:label="lab_bsac_BancoSantanderMexicoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banco Santander Mexico</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BancoSantanderMexicoMember" xlink:href="bsac-20251231.xsd#bsac_BancoSantanderMexicoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BancoSantanderMexicoMember" xlink:to="lab_bsac_BancoSantanderMexicoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EmployeeBenefitsTrainingExpenses_3bd321f1-f11d-498f-917d-aa9ad4e00d56_negatedLabel_en-US" xlink:label="lab_bsac_EmployeeBenefitsTrainingExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Training expenses</link:label>
    <link:label id="lab_bsac_EmployeeBenefitsTrainingExpenses_label_en-US" xlink:label="lab_bsac_EmployeeBenefitsTrainingExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Benefits Training Expenses</link:label>
    <link:label id="lab_bsac_EmployeeBenefitsTrainingExpenses_documentation_en-US" xlink:label="lab_bsac_EmployeeBenefitsTrainingExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The expense of training expenses form of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EmployeeBenefitsTrainingExpenses" xlink:href="bsac-20251231.xsd#bsac_EmployeeBenefitsTrainingExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EmployeeBenefitsTrainingExpenses" xlink:to="lab_bsac_EmployeeBenefitsTrainingExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfBanksExpensesClassifiedAsInterestExpenseTable_12067ac8-70cd-4773-82c3-ca433616c370_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfBanksExpensesClassifiedAsInterestExpenseTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Bank&#8217;s Expenses Classified as Interest Expense [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfBanksExpensesClassifiedAsInterestExpenseTable_label_en-US" xlink:label="lab_bsac_ScheduleOfBanksExpensesClassifiedAsInterestExpenseTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Bank&#8217;s Expenses Classified as Interest Expense [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfBanksExpensesClassifiedAsInterestExpenseTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfBanksExpensesClassifiedAsInterestExpenseTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Bank&#8217;s Expenses Classified as Interest Expense [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfBanksExpensesClassifiedAsInterestExpenseTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfBanksExpensesClassifiedAsInterestExpenseTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfBanksExpensesClassifiedAsInterestExpenseTable" xlink:to="lab_bsac_ScheduleOfBanksExpensesClassifiedAsInterestExpenseTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherExpensesRelatedToLeasesContracts_5eb6b9fb-9908-4841-9f78-4780c1adb623_negatedTerseLabel_en-US" xlink:label="lab_bsac_OtherExpensesRelatedToLeasesContracts" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other expenses related to leases contracts</link:label>
    <link:label id="lab_bsac_OtherExpensesRelatedToLeasesContracts_label_en-US" xlink:label="lab_bsac_OtherExpensesRelatedToLeasesContracts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Expenses Related To Leases Contracts</link:label>
    <link:label id="lab_bsac_OtherExpensesRelatedToLeasesContracts_documentation_en-US" xlink:label="lab_bsac_OtherExpensesRelatedToLeasesContracts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other expenses related to leases contracts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherExpensesRelatedToLeasesContracts" xlink:href="bsac-20251231.xsd#bsac_OtherExpensesRelatedToLeasesContracts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherExpensesRelatedToLeasesContracts" xlink:to="lab_bsac_OtherExpensesRelatedToLeasesContracts" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SocialServicesAndOtherCommunityServicesMember_06be7a65-85a0-4e99-a935-90e0bb7cb488_terseLabel_en-US" xlink:label="lab_bsac_SocialServicesAndOtherCommunityServicesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Social services and other community services</link:label>
    <link:label id="lab_bsac_SocialServicesAndOtherCommunityServicesMember_label_en-US" xlink:label="lab_bsac_SocialServicesAndOtherCommunityServicesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Social Services And Other Community Services [Member]</link:label>
    <link:label id="lab_bsac_SocialServicesAndOtherCommunityServicesMember_documentation_en-US" xlink:label="lab_bsac_SocialServicesAndOtherCommunityServicesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Social Services And Other Community Services</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SocialServicesAndOtherCommunityServicesMember" xlink:href="bsac-20251231.xsd#bsac_SocialServicesAndOtherCommunityServicesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SocialServicesAndOtherCommunityServicesMember" xlink:to="lab_bsac_SocialServicesAndOtherCommunityServicesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TypesOfCurrencyDomain_e1ae9000-9cf4-437c-bf10-70a44d007c88_terseLabel_en-US" xlink:label="lab_bsac_TypesOfCurrencyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Types Of Currency [Domain]</link:label>
    <link:label id="lab_bsac_TypesOfCurrencyDomain_label_en-US" xlink:label="lab_bsac_TypesOfCurrencyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Types Of Currency [Domain]</link:label>
    <link:label id="lab_bsac_TypesOfCurrencyDomain_documentation_en-US" xlink:label="lab_bsac_TypesOfCurrencyDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Types Of Currency [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TypesOfCurrencyDomain" xlink:href="bsac-20251231.xsd#bsac_TypesOfCurrencyDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TypesOfCurrencyDomain" xlink:to="lab_bsac_TypesOfCurrencyDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherPostretirementBenefitPlansDefinedBenefit1Member_c34578dc-2c9f-4274-9b5d-e6bd2951aee6_terseLabel_en-US" xlink:label="lab_bsac_OtherPostretirementBenefitPlansDefinedBenefit1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other post-employment benefit plans</link:label>
    <link:label id="lab_bsac_OtherPostretirementBenefitPlansDefinedBenefit1Member_label_en-US" xlink:label="lab_bsac_OtherPostretirementBenefitPlansDefinedBenefit1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Postretirement Benefit Plans Defined Benefit1 [Member]</link:label>
    <link:label id="lab_bsac_OtherPostretirementBenefitPlansDefinedBenefit1Member_documentation_en-US" xlink:label="lab_bsac_OtherPostretirementBenefitPlansDefinedBenefit1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Plan designed to provide other postretirement benefits. Includes, but is not limited to, defined benefit and defined contribution plans. Excludes pension benefits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherPostretirementBenefitPlansDefinedBenefit1Member" xlink:href="bsac-20251231.xsd#bsac_OtherPostretirementBenefitPlansDefinedBenefit1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherPostretirementBenefitPlansDefinedBenefit1Member" xlink:to="lab_bsac_OtherPostretirementBenefitPlansDefinedBenefit1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationHealthFunds_6695289b-2dde-4d6b-b5b7-3823dbca8e7e_terseLabel_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationHealthFunds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Health funds</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationHealthFunds_label_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationHealthFunds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key Management Personnel Compensation Health Funds</link:label>
    <link:label id="lab_bsac_KeyManagementPersonnelCompensationHealthFunds_documentation_en-US" xlink:label="lab_bsac_KeyManagementPersonnelCompensationHealthFunds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about key management personnel compensation health funds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_KeyManagementPersonnelCompensationHealthFunds" xlink:href="bsac-20251231.xsd#bsac_KeyManagementPersonnelCompensationHealthFunds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_KeyManagementPersonnelCompensationHealthFunds" xlink:to="lab_bsac_KeyManagementPersonnelCompensationHealthFunds" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofSubordinatedBondsClassifiedasCurrentandNoncurrentLineItems_c35ee9d7-3a80-44d4-b785-0e6d07e54ea7_terseLabel_en-US" xlink:label="lab_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofSubordinatedBondsClassifiedasCurrentandNoncurrentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of subordinated bonds classified as current and non-curren [Abstract]</link:label>
    <link:label id="lab_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofSubordinatedBondsClassifiedasCurrentandNoncurrentLineItems_label_en-US" xlink:label="lab_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofSubordinatedBondsClassifiedasCurrentandNoncurrentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of subordinated bonds classified as current and non-curren [Abstract]</link:label>
    <link:label id="lab_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofSubordinatedBondsClassifiedasCurrentandNoncurrentLineItems_documentation_en-US" xlink:label="lab_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofSubordinatedBondsClassifiedasCurrentandNoncurrentLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of subordinated bonds classified as current and non-curren [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofSubordinatedBondsClassifiedasCurrentandNoncurrentLineItems" xlink:href="bsac-20251231.xsd#bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofSubordinatedBondsClassifiedasCurrentandNoncurrentLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofSubordinatedBondsClassifiedasCurrentandNoncurrentLineItems" xlink:to="lab_bsac_RegulatoryCapitalFinancialInstrumentsDetailsScheduleofSubordinatedBondsClassifiedasCurrentandNoncurrentLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ECLAllowanceMember_469871b8-8a88-45b1-9bd1-57a2e423353e_terseLabel_en-US" xlink:label="lab_bsac_ECLAllowanceMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ECL Allowance</link:label>
    <link:label id="lab_bsac_ECLAllowanceMember_fe30afc4-5e8e-41bc-898d-8deee2fe4dbc_verboseLabel_en-US" xlink:label="lab_bsac_ECLAllowanceMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">ECL allowance</link:label>
    <link:label id="lab_bsac_ECLAllowanceMember_label_en-US" xlink:label="lab_bsac_ECLAllowanceMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ECLAllowance [Member]</link:label>
    <link:label id="lab_bsac_ECLAllowanceMember_documentation_en-US" xlink:label="lab_bsac_ECLAllowanceMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ECLAllowance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ECLAllowanceMember" xlink:href="bsac-20251231.xsd#bsac_ECLAllowanceMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ECLAllowanceMember" xlink:to="lab_bsac_ECLAllowanceMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_WeightedAverageMember_c4db4af5-8b07-40b9-8116-7beb25e8eb7a_terseLabel_en-US" xlink:label="lab_srt_WeightedAverageMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average</link:label>
    <link:label id="lab_srt_WeightedAverageMember_label_en-US" xlink:label="lab_srt_WeightedAverageMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_WeightedAverageMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_WeightedAverageMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_WeightedAverageMember" xlink:to="lab_srt_WeightedAverageMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalAmount_c33238db-49c5-4747-8107-bffb0f556488_totalLabel_en-US" xlink:label="lab_bsac_TotalAmount" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_TotalAmount_label_en-US" xlink:label="lab_bsac_TotalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Amount</link:label>
    <link:label id="lab_bsac_TotalAmount_documentation_en-US" xlink:label="lab_bsac_TotalAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of total.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalAmount" xlink:href="bsac-20251231.xsd#bsac_TotalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalAmount" xlink:to="lab_bsac_TotalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GrossCarryingAmount_8bc1bca4-c1d2-47c1-99b2-a2327b935b33_periodStartLabel_en-US" xlink:label="lab_bsac_GrossCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Gross carrying amount, Beginning balance</link:label>
    <link:label id="lab_bsac_GrossCarryingAmount_4826d965-3b7b-4d94-8b71-575ccdbe6c6d_periodEndLabel_en-US" xlink:label="lab_bsac_GrossCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Gross carrying amount, Ending balance</link:label>
    <link:label id="lab_bsac_GrossCarryingAmount_label_en-US" xlink:label="lab_bsac_GrossCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross Carrying Amount</link:label>
    <link:label id="lab_bsac_GrossCarryingAmount_documentation_en-US" xlink:label="lab_bsac_GrossCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gross carrying amount.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GrossCarryingAmount" xlink:href="bsac-20251231.xsd#bsac_GrossCarryingAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GrossCarryingAmount" xlink:to="lab_bsac_GrossCarryingAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LondonClearingHouseMember_cfe04f87-7226-49a3-93ef-2f84cb937714_terseLabel_en-US" xlink:label="lab_bsac_LondonClearingHouseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">LondonClearingHouse</link:label>
    <link:label id="lab_bsac_LondonClearingHouseMember_label_en-US" xlink:label="lab_bsac_LondonClearingHouseMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">London Clearing House [Member]</link:label>
    <link:label id="lab_bsac_LondonClearingHouseMember_documentation_en-US" xlink:label="lab_bsac_LondonClearingHouseMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">London Clearing House</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LondonClearingHouseMember" xlink:href="bsac-20251231.xsd#bsac_LondonClearingHouseMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LondonClearingHouseMember" xlink:to="lab_bsac_LondonClearingHouseMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RangesDomainDomain_d3546098-6cba-4730-934f-2345a847d361_terseLabel_en-US" xlink:label="lab_bsac_RangesDomainDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ranges [Domain]</link:label>
    <link:label id="lab_bsac_RangesDomainDomain_label_en-US" xlink:label="lab_bsac_RangesDomainDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">RangesDomain [Domain]</link:label>
    <link:label id="lab_bsac_RangesDomainDomain_documentation_en-US" xlink:label="lab_bsac_RangesDomainDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">RangesDomain [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RangesDomainDomain" xlink:href="bsac-20251231.xsd#bsac_RangesDomainDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RangesDomainDomain" xlink:to="lab_bsac_RangesDomainDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncreaseDecreaseInOperatingsCapital_4c85620b-6234-4b78-9dfb-305f23ca8736_totalLabel_en-US" xlink:label="lab_bsac_IncreaseDecreaseInOperatingsCapital" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Increase/decrease in operating assets and liabilities</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseInOperatingsCapital_label_en-US" xlink:label="lab_bsac_IncreaseDecreaseInOperatingsCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease In Operatings Capital</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseInOperatingsCapital_documentation_en-US" xlink:label="lab_bsac_IncreaseDecreaseInOperatingsCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of increase (decrease) in operatings capital.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncreaseDecreaseInOperatingsCapital" xlink:href="bsac-20251231.xsd#bsac_IncreaseDecreaseInOperatingsCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncreaseDecreaseInOperatingsCapital" xlink:to="lab_bsac_IncreaseDecreaseInOperatingsCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossLoansAndAccountReceivableLoans_0bccae9d-8736-468a-95ff-357dea9ceae2_negatedTerseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossLoansAndAccountReceivableLoans" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Loans and account receivable at FVOCI</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossLoansAndAccountReceivableLoans_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossLoansAndAccountReceivableLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Loss Loans And Account Receivable Loans</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossLoansAndAccountReceivableLoans_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossLoansAndAccountReceivableLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans and account receivable at FVOCI.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossLoansAndAccountReceivableLoans" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossLoansAndAccountReceivableLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossLoansAndAccountReceivableLoans" xlink:to="lab_bsac_ExpectedCreditLossLoansAndAccountReceivableLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MortgageFinanceBondsMember_4e7e60b7-4da3-4836-837e-2ea1bcd94a10_terseLabel_en-US" xlink:label="lab_bsac_MortgageFinanceBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage finance bonds</link:label>
    <link:label id="lab_bsac_MortgageFinanceBondsMember_label_en-US" xlink:label="lab_bsac_MortgageFinanceBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Finance Bonds [Member]</link:label>
    <link:label id="lab_bsac_MortgageFinanceBondsMember_documentation_en-US" xlink:label="lab_bsac_MortgageFinanceBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage Finance Bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MortgageFinanceBondsMember" xlink:href="bsac-20251231.xsd#bsac_MortgageFinanceBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MortgageFinanceBondsMember" xlink:to="lab_bsac_MortgageFinanceBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ShorttermInterestRateRisk_e1627afa-fa7f-4298-8389-f2ca77e2492c_terseLabel_en-US" xlink:label="lab_bsac_ShorttermInterestRateRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term interest rate risk percentage</link:label>
    <link:label id="lab_bsac_ShorttermInterestRateRisk_label_en-US" xlink:label="lab_bsac_ShorttermInterestRateRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shortterm Interest Rate Risk</link:label>
    <link:label id="lab_bsac_ShorttermInterestRateRisk_documentation_en-US" xlink:label="lab_bsac_ShorttermInterestRateRisk" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The short-term interest rate risk percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ShorttermInterestRateRisk" xlink:href="bsac-20251231.xsd#bsac_ShorttermInterestRateRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ShorttermInterestRateRisk" xlink:to="lab_bsac_ShorttermInterestRateRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForReconcileProfitLoss_27e5e041-471f-4ed4-b374-30e34d5f2bd6_totalLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Adjustments for non-cash items included in net income</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForReconcileProfitLoss_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForReconcileProfitLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to reconcile profit (loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForReconcileProfitLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForReconcileProfitLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForReconcileProfitLoss" xlink:to="lab_ifrs-full_AdjustmentsForReconcileProfitLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfCurrentAndDeferredTaxesExplanatoryTextBlock_5db5c66d-5c6f-4d9d-a5d1-97201ea52cca_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfCurrentAndDeferredTaxesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current and Deferred Taxes</link:label>
    <link:label id="lab_bsac_DisclosureOfCurrentAndDeferredTaxesExplanatoryTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfCurrentAndDeferredTaxesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Current And Deferred Taxes Explanatory [Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfCurrentAndDeferredTaxesExplanatoryTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfCurrentAndDeferredTaxesExplanatoryTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of current and deferred taxes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfCurrentAndDeferredTaxesExplanatoryTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfCurrentAndDeferredTaxesExplanatoryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfCurrentAndDeferredTaxesExplanatoryTextBlock" xlink:to="lab_bsac_DisclosureOfCurrentAndDeferredTaxesExplanatoryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ConsolidatedUpToThirtyDaysMember_57f6d945-3998-4407-8c59-7cd9437433f8_terseLabel_en-US" xlink:label="lab_bsac_ConsolidatedUpToThirtyDaysMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Up to 30 days</link:label>
    <link:label id="lab_bsac_ConsolidatedUpToThirtyDaysMember_label_en-US" xlink:label="lab_bsac_ConsolidatedUpToThirtyDaysMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated Up To Thirty Days [Member]</link:label>
    <link:label id="lab_bsac_ConsolidatedUpToThirtyDaysMember_documentation_en-US" xlink:label="lab_bsac_ConsolidatedUpToThirtyDaysMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consolidated Up To Thirty Days</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ConsolidatedUpToThirtyDaysMember" xlink:href="bsac-20251231.xsd#bsac_ConsolidatedUpToThirtyDaysMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ConsolidatedUpToThirtyDaysMember" xlink:to="lab_bsac_ConsolidatedUpToThirtyDaysMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HedgedOfInterestMember_e6a3ed18-73b1-4c71-a7b9-54a23db7cfea_terseLabel_en-US" xlink:label="lab_bsac_HedgedOfInterestMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest</link:label>
    <link:label id="lab_bsac_HedgedOfInterestMember_label_en-US" xlink:label="lab_bsac_HedgedOfInterestMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedged Of Interest [Member]</link:label>
    <link:label id="lab_bsac_HedgedOfInterestMember_documentation_en-US" xlink:label="lab_bsac_HedgedOfInterestMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about hedged of interest member.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HedgedOfInterestMember" xlink:href="bsac-20251231.xsd#bsac_HedgedOfInterestMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HedgedOfInterestMember" xlink:to="lab_bsac_HedgedOfInterestMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BonoJPYDaiwaESGMember_019bf9c0-cc43-7d70-a1ac-6b77cbde6d8f_terseLabel_en-US" xlink:label="lab_bsac_BonoJPYDaiwaESGMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bono JPY Daiwa ESG</link:label>
    <link:label id="lab_bsac_BonoJPYDaiwaESGMember_label_en-US" xlink:label="lab_bsac_BonoJPYDaiwaESGMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bono JPY Daiwa ESG [Member]</link:label>
    <link:label id="lab_bsac_BonoJPYDaiwaESGMember_documentation_en-US" xlink:label="lab_bsac_BonoJPYDaiwaESGMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bono JPY Daiwa ESG</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BonoJPYDaiwaESGMember" xlink:href="bsac-20251231.xsd#bsac_BonoJPYDaiwaESGMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BonoJPYDaiwaESGMember" xlink:to="lab_bsac_BonoJPYDaiwaESGMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FeeAndCommissionExpense_dc896638-1283-48ed-9c45-039458e73974_negatedLabel_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Fee and commission expense</link:label>
    <link:label id="lab_ifrs-full_FeeAndCommissionExpense_733aad4f-a3ea-4b79-b6a7-bdc2c4691afa_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_FeeAndCommissionExpense_label_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fee and commission expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FeeAndCommissionExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FeeAndCommissionExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FeeAndCommissionExpense" xlink:to="lab_ifrs-full_FeeAndCommissionExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PropertiesAndMortgagesMember_0e73a842-2b8c-428c-be2b-2b60af9acd43_terseLabel_en-US" xlink:label="lab_bsac_PropertiesAndMortgagesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Properties/mortgages</link:label>
    <link:label id="lab_bsac_PropertiesAndMortgagesMember_label_en-US" xlink:label="lab_bsac_PropertiesAndMortgagesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Properties And Mortgages [Member]</link:label>
    <link:label id="lab_bsac_PropertiesAndMortgagesMember_documentation_en-US" xlink:label="lab_bsac_PropertiesAndMortgagesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A classes of financial assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PropertiesAndMortgagesMember" xlink:href="bsac-20251231.xsd#bsac_PropertiesAndMortgagesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PropertiesAndMortgagesMember" xlink:to="lab_bsac_PropertiesAndMortgagesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransfersFromStage2ToStage1_55be362c-592f-4fae-a4f2-1afa29398d89_terseLabel_en-US" xlink:label="lab_bsac_TransfersFromStage2ToStage1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 2 to stage 1</link:label>
    <link:label id="lab_bsac_TransfersFromStage2ToStage1_label_en-US" xlink:label="lab_bsac_TransfersFromStage2ToStage1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers From Stage2 To Stage1</link:label>
    <link:label id="lab_bsac_TransfersFromStage2ToStage1_documentation_en-US" xlink:label="lab_bsac_TransfersFromStage2ToStage1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in financial assets resulting from transfers. [Refer: Financial assets]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransfersFromStage2ToStage1" xlink:href="bsac-20251231.xsd#bsac_TransfersFromStage2ToStage1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransfersFromStage2ToStage1" xlink:to="lab_bsac_TransfersFromStage2ToStage1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsLineItems_ffe74b29-511e-4596-83c4-dfe83b2a9d85_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Obligations Related to Instruments Sold under Repurchase Agreements [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Obligations Related to Instruments Sold under Repurchase Agreements [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Obligations Related to Instruments Sold under Repurchase Agreements [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsLineItems" xlink:to="lab_bsac_ScheduleOfObligationsRelatedToInstrumentsSoldUnderRepurchaseAgreementsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutOtherAssetsTableExplanatoryTableTextBlock_4e027ba0-b57f-4209-a9df-fa426e2aeba5_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutOtherAssetsTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other Assets</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutOtherAssetsTableExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutOtherAssetsTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Other Assets Table Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutOtherAssetsTableExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutOtherAssetsTableExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutOtherAssetsTableExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutOtherAssetsTableExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutOtherAssetsTableExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutOtherAssetsTableExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxAssetsAllowanceForLoanLosses_f7577a34-afe0-4a1f-9977-f7aa65396731_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxAssetsAllowanceForLoanLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for loan losses</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsAllowanceForLoanLosses_label_en-US" xlink:label="lab_bsac_DeferredTaxAssetsAllowanceForLoanLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Allowance For Loan Losses</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsAllowanceForLoanLosses_documentation_en-US" xlink:label="lab_bsac_DeferredTaxAssetsAllowanceForLoanLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amounts of allowance for loan losses subject to deferred tax assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxAssetsAllowanceForLoanLosses" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxAssetsAllowanceForLoanLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxAssetsAllowanceForLoanLosses" xlink:to="lab_bsac_DeferredTaxAssetsAllowanceForLoanLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyDomain_6251d9b0-317d-427c-bf99-0825d532e0a7_terseLabel_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [domain]</link:label>
    <link:label id="lab_ifrs-full_LevelsOfFairValueHierarchyDomain_label_en-US" xlink:label="lab_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Levels of fair value hierarchy [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="lab_ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_RangeAxis_97e0ea84-2e8c-44ab-a2ae-81a0504fe80f_terseLabel_en-US" xlink:label="lab_ifrs-full_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [axis]</link:label>
    <link:label id="lab_ifrs-full_RangeAxis_label_en-US" xlink:label="lab_ifrs-full_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RangeAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_RangeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RangeAxis" xlink:to="lab_ifrs-full_RangeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransfersFromStage2ToStage3_37e5b7dd-1d97-4a0e-af0c-cf94515bda33_terseLabel_en-US" xlink:label="lab_bsac_TransfersFromStage2ToStage3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 2 to stage 3</link:label>
    <link:label id="lab_bsac_TransfersFromStage2ToStage3_label_en-US" xlink:label="lab_bsac_TransfersFromStage2ToStage3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers From Stage2 To Stage3</link:label>
    <link:label id="lab_bsac_TransfersFromStage2ToStage3_documentation_en-US" xlink:label="lab_bsac_TransfersFromStage2ToStage3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in financial assets resulting from transfers. [Refer: Financial assets]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransfersFromStage2ToStage3" xlink:href="bsac-20251231.xsd#bsac_TransfersFromStage2ToStage3"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransfersFromStage2ToStage3" xlink:to="lab_bsac_TransfersFromStage2ToStage3" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxAssetsDerivatives_b465aa25-d71d-4f81-9576-0b928ac26354_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxAssetsDerivatives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivatives</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsDerivatives_label_en-US" xlink:label="lab_bsac_DeferredTaxAssetsDerivatives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Derivatives</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsDerivatives_documentation_en-US" xlink:label="lab_bsac_DeferredTaxAssetsDerivatives" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of derivatives in subject to deferred tax assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxAssetsDerivatives" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxAssetsDerivatives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxAssetsDerivatives" xlink:to="lab_bsac_DeferredTaxAssetsDerivatives" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherFinancialsLiabilitiesNonCurrent_4a81a326-6d65-4fdf-9975-227db446a6f4_terseLabel_en-US" xlink:label="lab_bsac_OtherFinancialsLiabilitiesNonCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other financial liabilities non current</link:label>
    <link:label id="lab_bsac_OtherFinancialsLiabilitiesNonCurrent_label_en-US" xlink:label="lab_bsac_OtherFinancialsLiabilitiesNonCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Financials Liabilities Non Current</link:label>
    <link:label id="lab_bsac_OtherFinancialsLiabilitiesNonCurrent_documentation_en-US" xlink:label="lab_bsac_OtherFinancialsLiabilitiesNonCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current non-financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Other financial liabilities]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherFinancialsLiabilitiesNonCurrent" xlink:href="bsac-20251231.xsd#bsac_OtherFinancialsLiabilitiesNonCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherFinancialsLiabilitiesNonCurrent" xlink:to="lab_bsac_OtherFinancialsLiabilitiesNonCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AbancaCorporacionBancariaSAMember_6ea8c997-456e-4b58-b2c4-b52efb81e664_terseLabel_en-US" xlink:label="lab_bsac_AbancaCorporacionBancariaSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Abanca Corporacion Bancaria S.A.</link:label>
    <link:label id="lab_bsac_AbancaCorporacionBancariaSAMember_label_en-US" xlink:label="lab_bsac_AbancaCorporacionBancariaSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Abanca Corporacion Bancaria SA [Member]</link:label>
    <link:label id="lab_bsac_AbancaCorporacionBancariaSAMember_documentation_en-US" xlink:label="lab_bsac_AbancaCorporacionBancariaSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Abanca Corporacion Bancaria SA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AbancaCorporacionBancariaSAMember" xlink:href="bsac-20251231.xsd#bsac_AbancaCorporacionBancariaSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AbancaCorporacionBancariaSAMember" xlink:to="lab_bsac_AbancaCorporacionBancariaSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherProvisions_019c5824-2106-7aed-ac73-cf2934629499_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other provisions</link:label>
    <link:label id="lab_ifrs-full_OtherProvisions_label_en-US" xlink:label="lab_ifrs-full_OtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherProvisions" xlink:to="lab_ifrs-full_OtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EffectiveEquity_b15602a8-aa6c-4691-bf1f-b903ff05caa6_totalLabel_en-US" xlink:label="lab_bsac_EffectiveEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">= (25+30) Effective equity</link:label>
    <link:label id="lab_bsac_EffectiveEquity_label_en-US" xlink:label="lab_bsac_EffectiveEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Equity</link:label>
    <link:label id="lab_bsac_EffectiveEquity_documentation_en-US" xlink:label="lab_bsac_EffectiveEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of effective equity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EffectiveEquity" xlink:href="bsac-20251231.xsd#bsac_EffectiveEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EffectiveEquity" xlink:to="lab_bsac_EffectiveEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTD1209234Member_019bf98b-8341-7841-b1a9-dc3bcf3fe35b_terseLabel_en-US" xlink:label="lab_bsac_BSTD1209234Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTD120923</link:label>
    <link:label id="lab_bsac_BSTD1209234Member_label_en-US" xlink:label="lab_bsac_BSTD1209234Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTD120923-4 [Member]</link:label>
    <link:label id="lab_bsac_BSTD1209234Member_documentation_en-US" xlink:label="lab_bsac_BSTD1209234Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTD120923-4</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTD1209234Member" xlink:href="bsac-20251231.xsd#bsac_BSTD1209234Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTD1209234Member" xlink:to="lab_bsac_BSTD1209234Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DefinedBenefitPlansDomain_e0c42e41-c366-4ce2-90be-b65305063ac8_terseLabel_en-US" xlink:label="lab_ifrs-full_DefinedBenefitPlansDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined benefit plans [domain]</link:label>
    <link:label id="lab_ifrs-full_DefinedBenefitPlansDomain_label_en-US" xlink:label="lab_ifrs-full_DefinedBenefitPlansDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined benefit plans [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DefinedBenefitPlansDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DefinedBenefitPlansDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DefinedBenefitPlansDomain" xlink:to="lab_ifrs-full_DefinedBenefitPlansDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableExplanatory_782a2999-1e0b-47b4-aac6-783f22dcc823_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of the Maturity Level of the Lease Liability, According to their Contractual Maturity</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis of finance lease payments receivable [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableExplanatory" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisOfFinanceLeasePaymentsReceivableExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsHeldForTradingExplanatory_43e120cf-2ba7-493d-9b08-b5388d9245d3_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsHeldForTradingExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Debt Instruments</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsHeldForTradingExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsHeldForTradingExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial instruments held for trading [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsHeldForTradingExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsHeldForTradingExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsHeldForTradingExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsHeldForTradingExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderGlobalTechnologyAndOperationsS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember_019bf9f7-d84a-7263-93d4-436186fab860_terseLabel_en-US" xlink:label="lab_bsac_SantanderGlobalTechnologyAndOperationsS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Global Technology and Operations, S.L. Unipersonal| Spain| Group| Consulting Services| Monthly</link:label>
    <link:label id="lab_bsac_SantanderGlobalTechnologyAndOperationsS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderGlobalTechnologyAndOperationsS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Global Technology and Operations, S.L. Unipersonal| Spain| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderGlobalTechnologyAndOperationsS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderGlobalTechnologyAndOperationsS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Global Technology and Operations, S.L. Unipersonal| Spain| Group| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderGlobalTechnologyAndOperationsS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderGlobalTechnologyAndOperationsS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderGlobalTechnologyAndOperationsS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember" xlink:to="lab_bsac_SantanderGlobalTechnologyAndOperationsS.L.UnipersonalSpainGroupConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A10BSTD230822Member_019bf9b6-3d4c-7de0-a28e-79277c281a40_terseLabel_en-US" xlink:label="lab_bsac_A10BSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">10BSTD230822</link:label>
    <link:label id="lab_bsac_A10BSTD230822Member_label_en-US" xlink:label="lab_bsac_A10BSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">10BSTD230822 [Member]</link:label>
    <link:label id="lab_bsac_A10BSTD230822Member_documentation_en-US" xlink:label="lab_bsac_A10BSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">10BSTD230822</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A10BSTD230822Member" xlink:href="bsac-20251231.xsd#bsac_A10BSTD230822Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A10BSTD230822Member" xlink:to="lab_bsac_A10BSTD230822Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialDerivativeContractsFVTPLMember_e2f4d3db-77b8-48ae-8a25-3b58558a71c9_terseLabel_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsFVTPLMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial derivative contracts</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsFVTPLMember_label_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsFVTPLMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts FVTPL [Member]</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsFVTPLMember_documentation_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsFVTPLMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts FVTPL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialDerivativeContractsFVTPLMember" xlink:href="bsac-20251231.xsd#bsac_FinancialDerivativeContractsFVTPLMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialDerivativeContractsFVTPLMember" xlink:to="lab_bsac_FinancialDerivativeContractsFVTPLMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossMortgageLoans_b5ea1722-df11-439f-ae61-28cb3a735a60_negatedTerseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossMortgageLoans" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Mortgage loans</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossMortgageLoans_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossMortgageLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Loss Mortgage Loans</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossMortgageLoans_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossMortgageLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossMortgageLoans" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossMortgageLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossMortgageLoans" xlink:to="lab_bsac_ExpectedCreditLossMortgageLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ArabBankPlcMember_a2d94f8e-de07-41a4-97b5-df78f6c8b1fc_terseLabel_en-US" xlink:label="lab_bsac_ArabBankPlcMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Arab Bank Plc</link:label>
    <link:label id="lab_bsac_ArabBankPlcMember_label_en-US" xlink:label="lab_bsac_ArabBankPlcMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Arab Bank Plc [Member]</link:label>
    <link:label id="lab_bsac_ArabBankPlcMember_documentation_en-US" xlink:label="lab_bsac_ArabBankPlcMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Arab Bank Plc</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ArabBankPlcMember" xlink:href="bsac-20251231.xsd#bsac_ArabBankPlcMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ArabBankPlcMember" xlink:to="lab_bsac_ArabBankPlcMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AvailableMarginTradingPortfolio_6a7164df-8227-4099-9a04-2ce2e189bda8_terseLabel_en-US" xlink:label="lab_bsac_AvailableMarginTradingPortfolio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available margin</link:label>
    <link:label id="lab_bsac_AvailableMarginTradingPortfolio_label_en-US" xlink:label="lab_bsac_AvailableMarginTradingPortfolio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available Margin Trading Portfolio</link:label>
    <link:label id="lab_bsac_AvailableMarginTradingPortfolio_documentation_en-US" xlink:label="lab_bsac_AvailableMarginTradingPortfolio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of the contractual service margin.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AvailableMarginTradingPortfolio" xlink:href="bsac-20251231.xsd#bsac_AvailableMarginTradingPortfolio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AvailableMarginTradingPortfolio" xlink:to="lab_bsac_AvailableMarginTradingPortfolio" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherPayablesToRelatedParties_41e23f2c-764c-43b3-adf0-4f29fb5d1e6e_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayablesToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exceed amount</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherPayablesToRelatedParties_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayablesToRelatedParties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payables to related parties</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherPayablesToRelatedParties" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherPayablesToRelatedParties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherPayablesToRelatedParties" xlink:to="lab_ifrs-full_TradeAndOtherPayablesToRelatedParties" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProportionOfIndirectOwnershipInterestInSubsidiary_99268c55-d2b2-47b4-8ab4-1b3ed5445301_terseLabel_en-US" xlink:label="lab_bsac_ProportionOfIndirectOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Indirect</link:label>
    <link:label id="lab_bsac_ProportionOfIndirectOwnershipInterestInSubsidiary_label_en-US" xlink:label="lab_bsac_ProportionOfIndirectOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion Of Indirect Ownership Interest In Subsidiary</link:label>
    <link:label id="lab_bsac_ProportionOfIndirectOwnershipInterestInSubsidiary_documentation_en-US" xlink:label="lab_bsac_ProportionOfIndirectOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The proportion of indirect ownership interest in a subsidiary attributable to the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProportionOfIndirectOwnershipInterestInSubsidiary" xlink:href="bsac-20251231.xsd#bsac_ProportionOfIndirectOwnershipInterestInSubsidiary"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProportionOfIndirectOwnershipInterestInSubsidiary" xlink:to="lab_bsac_ProportionOfIndirectOwnershipInterestInSubsidiary" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A13BSTD230822Member_019bf9b7-0f17-77db-aa47-7c82697b4de7_terseLabel_en-US" xlink:label="lab_bsac_A13BSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">13BSTD230822</link:label>
    <link:label id="lab_bsac_A13BSTD230822Member_label_en-US" xlink:label="lab_bsac_A13BSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">13BSTD230822 [Member]</link:label>
    <link:label id="lab_bsac_A13BSTD230822Member_documentation_en-US" xlink:label="lab_bsac_A13BSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">13BSTD230822</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A13BSTD230822Member" xlink:href="bsac-20251231.xsd#bsac_A13BSTD230822Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A13BSTD230822Member" xlink:to="lab_bsac_A13BSTD230822Member" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_SecurityExchangeName_4138b1a4-64d2-402d-9d96-b7a2671e2709_terseLabel_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Security Exchange Name</link:label>
    <link:label id="lab_dei_SecurityExchangeName_label_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Security Exchange Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SecurityExchangeName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_SecurityExchangeName" xlink:to="lab_dei_SecurityExchangeName" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutCashInProcessOfCollectionAndInProcessTableTextBlock_cc287b7b-394d-44e4-a821-fec933410a26_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutCashInProcessOfCollectionAndInProcessTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Cash in Process of Collection and in Process</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutCashInProcessOfCollectionAndInProcessTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutCashInProcessOfCollectionAndInProcessTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Cash In Process Of Collection And In Process [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutCashInProcessOfCollectionAndInProcessTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutCashInProcessOfCollectionAndInProcessTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Cash In Process Of Collection And In Process</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutCashInProcessOfCollectionAndInProcessTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutCashInProcessOfCollectionAndInProcessTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutCashInProcessOfCollectionAndInProcessTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutCashInProcessOfCollectionAndInProcessTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HongKongAndShanghaiBankingMember_b231a29f-f764-4113-99ba-a248beb26257_terseLabel_en-US" xlink:label="lab_bsac_HongKongAndShanghaiBankingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hong Kong and Shanghai Banking</link:label>
    <link:label id="lab_bsac_HongKongAndShanghaiBankingMember_label_en-US" xlink:label="lab_bsac_HongKongAndShanghaiBankingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hong Kong And Shanghai Banking [Member]</link:label>
    <link:label id="lab_bsac_HongKongAndShanghaiBankingMember_documentation_en-US" xlink:label="lab_bsac_HongKongAndShanghaiBankingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hong Kong And Shanghai Banking</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HongKongAndShanghaiBankingMember" xlink:href="bsac-20251231.xsd#bsac_HongKongAndShanghaiBankingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HongKongAndShanghaiBankingMember" xlink:to="lab_bsac_HongKongAndShanghaiBankingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CreditsDebitsForDeferredTaxesAbstract_e26b99ca-0dfe-40d4-8019-29fb2395080c_terseLabel_en-US" xlink:label="lab_bsac_CreditsDebitsForDeferredTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credits (debits) for deferred taxes</link:label>
    <link:label id="lab_bsac_CreditsDebitsForDeferredTaxesAbstract_label_en-US" xlink:label="lab_bsac_CreditsDebitsForDeferredTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credits Debits For Deferred Taxes Abstract</link:label>
    <link:label id="lab_bsac_CreditsDebitsForDeferredTaxesAbstract_documentation_en-US" xlink:label="lab_bsac_CreditsDebitsForDeferredTaxesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credits Debits For Deferred Taxes Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CreditsDebitsForDeferredTaxesAbstract" xlink:href="bsac-20251231.xsd#bsac_CreditsDebitsForDeferredTaxesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CreditsDebitsForDeferredTaxesAbstract" xlink:to="lab_bsac_CreditsDebitsForDeferredTaxesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ValuesAtRisk_1a6d41b8-2d80-4ac7-b907-836e29a7e0d4_terseLabel_en-US" xlink:label="lab_bsac_ValuesAtRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">VaR</link:label>
    <link:label id="lab_bsac_ValuesAtRisk_label_en-US" xlink:label="lab_bsac_ValuesAtRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Values At Risk</link:label>
    <link:label id="lab_bsac_ValuesAtRisk_documentation_en-US" xlink:label="lab_bsac_ValuesAtRisk" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Value at risk.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ValuesAtRisk" xlink:href="bsac-20251231.xsd#bsac_ValuesAtRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ValuesAtRisk" xlink:to="lab_bsac_ValuesAtRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory_701a1e01-5ef6-4435-9ee7-417c381c2c65_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Depreciation, Amortisation and Impairment</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of depreciation and amortisation expense [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDepreciationAndAmortisationExpenseExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_WholesaleTradeMember_b9196e6e-88dc-4bc3-9109-acc80cae95f0_terseLabel_en-US" xlink:label="lab_bsac_WholesaleTradeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Wholesale trade</link:label>
    <link:label id="lab_bsac_WholesaleTradeMember_label_en-US" xlink:label="lab_bsac_WholesaleTradeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Wholesale Trade [Member]</link:label>
    <link:label id="lab_bsac_WholesaleTradeMember_documentation_en-US" xlink:label="lab_bsac_WholesaleTradeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Wholesale Trade</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_WholesaleTradeMember" xlink:href="bsac-20251231.xsd#bsac_WholesaleTradeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_WholesaleTradeMember" xlink:to="lab_bsac_WholesaleTradeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtInstrumentsAtFairValueOtherComprehensiveIncome_48ec0c6d-5faf-49fe-b806-4a8f9452ca29_terseLabel_en-US" xlink:label="lab_bsac_DebtInstrumentsAtFairValueOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instruments at FVOCI</link:label>
    <link:label id="lab_bsac_DebtInstrumentsAtFairValueOtherComprehensiveIncome_label_en-US" xlink:label="lab_bsac_DebtInstrumentsAtFairValueOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instruments At Fair Value Other Comprehensive Income</link:label>
    <link:label id="lab_bsac_DebtInstrumentsAtFairValueOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_bsac_DebtInstrumentsAtFairValueOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">It represent debt instruments at fair value other comprehensive income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtInstrumentsAtFairValueOtherComprehensiveIncome" xlink:href="bsac-20251231.xsd#bsac_DebtInstrumentsAtFairValueOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtInstrumentsAtFairValueOtherComprehensiveIncome" xlink:to="lab_bsac_DebtInstrumentsAtFairValueOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DemandDepositsPercentage_5685d881-a445-4419-a79a-1fecf6ddea0e_terseLabel_en-US" xlink:label="lab_bsac_DemandDepositsPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Demand deposits percentage</link:label>
    <link:label id="lab_bsac_DemandDepositsPercentage_label_en-US" xlink:label="lab_bsac_DemandDepositsPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Demand Deposits Percentage</link:label>
    <link:label id="lab_bsac_DemandDepositsPercentage_documentation_en-US" xlink:label="lab_bsac_DemandDepositsPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of demand deposits percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DemandDepositsPercentage" xlink:href="bsac-20251231.xsd#bsac_DemandDepositsPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DemandDepositsPercentage" xlink:to="lab_bsac_DemandDepositsPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_StatementOfFinancialPositionAbstract_46532628-be07-405e-9a16-864e0baf5083_terseLabel_en-US" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of financial position [abstract]</link:label>
    <link:label id="lab_ifrs-full_StatementOfFinancialPositionAbstract_label_en-US" xlink:label="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of financial position [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_StatementOfFinancialPositionAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="lab_ifrs-full_StatementOfFinancialPositionAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherFinancialAssetsTotal_921fcdae-2a13-47f5-97a6-8961de400cb8_totalLabel_en-US" xlink:label="lab_bsac_OtherFinancialAssetsTotal" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_OtherFinancialAssetsTotal_label_en-US" xlink:label="lab_bsac_OtherFinancialAssetsTotal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Financial Assets Total</link:label>
    <link:label id="lab_bsac_OtherFinancialAssetsTotal_documentation_en-US" xlink:label="lab_bsac_OtherFinancialAssetsTotal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Financial Assets Total</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherFinancialAssetsTotal" xlink:href="bsac-20251231.xsd#bsac_OtherFinancialAssetsTotal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherFinancialAssetsTotal" xlink:to="lab_bsac_OtherFinancialAssetsTotal" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesStage3Member_e56f25bd-aaa5-46bb-b199-bfe59a53c976_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesStage3Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stage 3</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesStage3Member_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesStage3Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Stage3 [Member]</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesStage3Member_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesStage3Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Stage3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesStage3Member" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesStage3Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesStage3Member" xlink:to="lab_bsac_ExpectedCreditLossesStage3Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesDebtInstrumentsRecognizedThroughOtherComprehensiveIncome_5fac4637-ca3b-4802-8b50-c41f1494c2f3_negatedLabel_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesDebtInstrumentsRecognizedThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Debt instruments at FVOCI</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesDebtInstrumentsRecognizedThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesDebtInstrumentsRecognizedThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities Debt Instruments Recognized Through Other Comprehensive Income</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesDebtInstrumentsRecognizedThroughOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesDebtInstrumentsRecognizedThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about deferred tax liabilities debt instrument recognized through other comprehensive income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxLiabilitiesDebtInstrumentsRecognizedThroughOtherComprehensiveIncome" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxLiabilitiesDebtInstrumentsRecognizedThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxLiabilitiesDebtInstrumentsRecognizedThroughOtherComprehensiveIncome" xlink:to="lab_bsac_DeferredTaxLiabilitiesDebtInstrumentsRecognizedThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AmortizationForThePeriod_67a5c63c-2818-4347-addc-7acb9b98679b_negatedTerseLabel_en-US" xlink:label="lab_bsac_AmortizationForThePeriod" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Amortisation for the period</link:label>
    <link:label id="lab_bsac_AmortizationForThePeriod_label_en-US" xlink:label="lab_bsac_AmortizationForThePeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization For The Period</link:label>
    <link:label id="lab_bsac_AmortizationForThePeriod_documentation_en-US" xlink:label="lab_bsac_AmortizationForThePeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization For The Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AmortizationForThePeriod" xlink:href="bsac-20251231.xsd#bsac_AmortizationForThePeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AmortizationForThePeriod" xlink:to="lab_bsac_AmortizationForThePeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TechnologicalDevelopmentCertificationAndTestingService_12cd9404-fe81-42c2-aa53-00dbb2d3491d_negatedTerseLabel_en-US" xlink:label="lab_bsac_TechnologicalDevelopmentCertificationAndTestingService" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Technological development, certification and testing service</link:label>
    <link:label id="lab_bsac_TechnologicalDevelopmentCertificationAndTestingService_label_en-US" xlink:label="lab_bsac_TechnologicalDevelopmentCertificationAndTestingService" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Technological Development Certification And Testing Service</link:label>
    <link:label id="lab_bsac_TechnologicalDevelopmentCertificationAndTestingService_documentation_en-US" xlink:label="lab_bsac_TechnologicalDevelopmentCertificationAndTestingService" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of technological development, certification and testing service.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TechnologicalDevelopmentCertificationAndTestingService" xlink:href="bsac-20251231.xsd#bsac_TechnologicalDevelopmentCertificationAndTestingService"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TechnologicalDevelopmentCertificationAndTestingService" xlink:to="lab_bsac_TechnologicalDevelopmentCertificationAndTestingService" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IssuedDebtInstrumentsCurrent_95a94349-f2b6-4c33-84f4-c7c471ea8477_terseLabel_en-US" xlink:label="lab_bsac_IssuedDebtInstrumentsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_bsac_IssuedDebtInstrumentsCurrent_label_en-US" xlink:label="lab_bsac_IssuedDebtInstrumentsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued Debt Instruments Current</link:label>
    <link:label id="lab_bsac_IssuedDebtInstrumentsCurrent_documentation_en-US" xlink:label="lab_bsac_IssuedDebtInstrumentsCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to issued debt instruments current.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IssuedDebtInstrumentsCurrent" xlink:href="bsac-20251231.xsd#bsac_IssuedDebtInstrumentsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IssuedDebtInstrumentsCurrent" xlink:to="lab_bsac_IssuedDebtInstrumentsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CurrentTaxLiabilitiesBeforeOffsetAmount_d3fae172-18b4-4fff-90fd-74c16c9933eb_negatedTerseLabel_en-US" xlink:label="lab_bsac_CurrentTaxLiabilitiesBeforeOffsetAmount" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Current tax liabilities before off-setting</link:label>
    <link:label id="lab_bsac_CurrentTaxLiabilitiesBeforeOffsetAmount_label_en-US" xlink:label="lab_bsac_CurrentTaxLiabilitiesBeforeOffsetAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Tax Liabilities Before Offset Amount</link:label>
    <link:label id="lab_bsac_CurrentTaxLiabilitiesBeforeOffsetAmount_documentation_en-US" xlink:label="lab_bsac_CurrentTaxLiabilitiesBeforeOffsetAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current Tax Liabilities Before Offset Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CurrentTaxLiabilitiesBeforeOffsetAmount" xlink:href="bsac-20251231.xsd#bsac_CurrentTaxLiabilitiesBeforeOffsetAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CurrentTaxLiabilitiesBeforeOffsetAmount" xlink:to="lab_bsac_CurrentTaxLiabilitiesBeforeOffsetAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherTransactionsWithoutCollateralMember_d5b7eccc-d0fb-4939-b3b5-298c93e6fa5e_terseLabel_en-US" xlink:label="lab_bsac_OtherTransactionsWithoutCollateralMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other transactions without collateral</link:label>
    <link:label id="lab_bsac_OtherTransactionsWithoutCollateralMember_label_en-US" xlink:label="lab_bsac_OtherTransactionsWithoutCollateralMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Transactions Without Collateral [Member]</link:label>
    <link:label id="lab_bsac_OtherTransactionsWithoutCollateralMember_documentation_en-US" xlink:label="lab_bsac_OtherTransactionsWithoutCollateralMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Transactions Without Collateral</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherTransactionsWithoutCollateralMember" xlink:href="bsac-20251231.xsd#bsac_OtherTransactionsWithoutCollateralMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherTransactionsWithoutCollateralMember" xlink:to="lab_bsac_OtherTransactionsWithoutCollateralMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetInterestIncome_c6d430c4-98dd-4ec5-a017-eed8c10f8101_verboseLabel_en-US" xlink:label="lab_bsac_NetInterestIncome" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net interest income</link:label>
    <link:label id="lab_bsac_NetInterestIncome_label_en-US" xlink:label="lab_bsac_NetInterestIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Interest Income</link:label>
    <link:label id="lab_bsac_NetInterestIncome_documentation_en-US" xlink:label="lab_bsac_NetInterestIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of net interest income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetInterestIncome" xlink:href="bsac-20251231.xsd#bsac_NetInterestIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetInterestIncome" xlink:to="lab_bsac_NetInterestIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMortgageFinanceBondsTable_b5565075-12c4-4385-a3c9-824d5a102b6e_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMortgageFinanceBondsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Mortgage Finance Bonds [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfMortgageFinanceBondsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfMortgageFinanceBondsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Mortgage Finance Bonds [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfMortgageFinanceBondsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMortgageFinanceBondsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Mortgage Finance Bonds [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMortgageFinanceBondsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMortgageFinanceBondsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfMortgageFinanceBondsTable" xlink:to="lab_bsac_ScheduleOfMortgageFinanceBondsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestIncomeAndInterestExpenseForFinancialAssetsOrFinancialLiabilitiesNotAtFairValueThroughProfitOrLossAbstract_03704c4d-740b-4d74-890d-23afb0bfd073_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestIncomeAndInterestExpenseForFinancialAssetsOrFinancialLiabilitiesNotAtFairValueThroughProfitOrLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest income and interest expense for financial assets or financial liabilities not at fair value through profit or loss [abstract]</link:label>
    <link:label id="lab_ifrs-full_InterestIncomeAndInterestExpenseForFinancialAssetsOrFinancialLiabilitiesNotAtFairValueThroughProfitOrLossAbstract_label_en-US" xlink:label="lab_ifrs-full_InterestIncomeAndInterestExpenseForFinancialAssetsOrFinancialLiabilitiesNotAtFairValueThroughProfitOrLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest income and interest expense for financial assets or financial liabilities not at fair value through profit or loss [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestIncomeAndInterestExpenseForFinancialAssetsOrFinancialLiabilitiesNotAtFairValueThroughProfitOrLossAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestIncomeAndInterestExpenseForFinancialAssetsOrFinancialLiabilitiesNotAtFairValueThroughProfitOrLossAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestIncomeAndInterestExpenseForFinancialAssetsOrFinancialLiabilitiesNotAtFairValueThroughProfitOrLossAbstract" xlink:to="lab_ifrs-full_InterestIncomeAndInterestExpenseForFinancialAssetsOrFinancialLiabilitiesNotAtFairValueThroughProfitOrLossAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherEquityInstrumentsMember_02ae4234-1904-4405-9780-6a4a1b3e1177_terseLabel_en-US" xlink:label="lab_bsac_OtherEquityInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Equity instruments</link:label>
    <link:label id="lab_bsac_OtherEquityInstrumentsMember_label_en-US" xlink:label="lab_bsac_OtherEquityInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Equity Instruments [Member]</link:label>
    <link:label id="lab_bsac_OtherEquityInstrumentsMember_documentation_en-US" xlink:label="lab_bsac_OtherEquityInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for other equity instruments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherEquityInstrumentsMember" xlink:href="bsac-20251231.xsd#bsac_OtherEquityInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherEquityInstrumentsMember" xlink:to="lab_bsac_OtherEquityInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_January2024SeniorCLPMember_8753e89f-33ad-4dee-ba7d-e2c57108d5af_terseLabel_en-US" xlink:label="lab_bsac_January2024SeniorCLPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">January 2024, Senior, CLP</link:label>
    <link:label id="lab_bsac_January2024SeniorCLPMember_label_en-US" xlink:label="lab_bsac_January2024SeniorCLPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">January 2024, Senior, CLP [Member]</link:label>
    <link:label id="lab_bsac_January2024SeniorCLPMember_documentation_en-US" xlink:label="lab_bsac_January2024SeniorCLPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">January 2024, Senior, CLP</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_January2024SeniorCLPMember" xlink:href="bsac-20251231.xsd#bsac_January2024SeniorCLPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_January2024SeniorCLPMember" xlink:to="lab_bsac_January2024SeniorCLPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_VolatilityMember_2adb4f72-cfe7-4e05-87dc-10caf3adf851_terseLabel_en-US" xlink:label="lab_bsac_VolatilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Volatility</link:label>
    <link:label id="lab_bsac_VolatilityMember_label_en-US" xlink:label="lab_bsac_VolatilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Volatility [Member]</link:label>
    <link:label id="lab_bsac_VolatilityMember_documentation_en-US" xlink:label="lab_bsac_VolatilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Volatility</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_VolatilityMember" xlink:href="bsac-20251231.xsd#bsac_VolatilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_VolatilityMember" xlink:to="lab_bsac_VolatilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionsForLinesOfCreditsAndOverdrafts_800568b0-fc0a-41e2-bfda-41dda8016e9b_terseLabel_en-US" xlink:label="lab_bsac_CommissionsForLinesOfCreditsAndOverdrafts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commissions for lines of credits and overdrafts</link:label>
    <link:label id="lab_bsac_CommissionsForLinesOfCreditsAndOverdrafts_label_en-US" xlink:label="lab_bsac_CommissionsForLinesOfCreditsAndOverdrafts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commissions For Lines Of Credits And Overdrafts</link:label>
    <link:label id="lab_bsac_CommissionsForLinesOfCreditsAndOverdrafts_documentation_en-US" xlink:label="lab_bsac_CommissionsForLinesOfCreditsAndOverdrafts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of commissions for lines of credits and overdrafts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionsForLinesOfCreditsAndOverdrafts" xlink:href="bsac-20251231.xsd#bsac_CommissionsForLinesOfCreditsAndOverdrafts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionsForLinesOfCreditsAndOverdrafts" xlink:to="lab_bsac_CommissionsForLinesOfCreditsAndOverdrafts" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HomeBuildingsMember_d7c5f3c4-1753-4da2-bfad-d2645a584516_terseLabel_en-US" xlink:label="lab_bsac_HomeBuildingsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Home building</link:label>
    <link:label id="lab_bsac_HomeBuildingsMember_label_en-US" xlink:label="lab_bsac_HomeBuildingsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Home Buildings [Member]</link:label>
    <link:label id="lab_bsac_HomeBuildingsMember_documentation_en-US" xlink:label="lab_bsac_HomeBuildingsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Home Buildings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HomeBuildingsMember" xlink:href="bsac-20251231.xsd#bsac_HomeBuildingsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HomeBuildingsMember" xlink:to="lab_bsac_HomeBuildingsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfReportingSegmentTable_99b1e5a4-939c-4737-8ed2-8c9b2d810b6f_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfReportingSegmentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Reporting Segment [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfReportingSegmentTable_label_en-US" xlink:label="lab_bsac_ScheduleOfReportingSegmentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Reporting Segment [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfReportingSegmentTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfReportingSegmentTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Reporting Segment [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfReportingSegmentTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfReportingSegmentTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfReportingSegmentTable" xlink:to="lab_bsac_ScheduleOfReportingSegmentTable" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityDomain_73e01445-3426-4aff-a317-604f1b0d8b2e_terseLabel_en-US" xlink:label="lab_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:label id="lab_dei_EntityDomain_label_en-US" xlink:label="lab_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityDomain" xlink:to="lab_dei_EntityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfPlanAssociatedExpensesLineItems_eca1a110-0c3f-432e-86af-826975515cda_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfPlanAssociatedExpensesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Plan Associated Expenses [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfPlanAssociatedExpensesLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfPlanAssociatedExpensesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Plan Associated Expenses [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfPlanAssociatedExpensesLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfPlanAssociatedExpensesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Plan Associated Expenses [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfPlanAssociatedExpensesLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfPlanAssociatedExpensesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfPlanAssociatedExpensesLineItems" xlink:to="lab_bsac_ScheduleOfPlanAssociatedExpensesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AA2Member_314f58a5-cd8f-44bc-ae7b-d3c355618c03_terseLabel_en-US" xlink:label="lab_bsac_AA2Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AA2</link:label>
    <link:label id="lab_bsac_AA2Member_label_en-US" xlink:label="lab_bsac_AA2Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AA2 [Member]</link:label>
    <link:label id="lab_bsac_AA2Member_documentation_en-US" xlink:label="lab_bsac_AA2Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">AA2</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AA2Member" xlink:href="bsac-20251231.xsd#bsac_AA2Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AA2Member" xlink:to="lab_bsac_AA2Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsTable_d8bbcf85-cf68-4e19-8676-28725d608120_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Changes in the Value of Intangible Assets [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Changes in the Value of Intangible Assets [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Changes in the Value of Intangible Assets [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsTable" xlink:to="lab_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PutOptionsMember_1f58b377-e136-4774-bf50-024c81e1963f_terseLabel_en-US" xlink:label="lab_bsac_PutOptionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Put Options</link:label>
    <link:label id="lab_bsac_PutOptionsMember_label_en-US" xlink:label="lab_bsac_PutOptionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Put Options [Member]</link:label>
    <link:label id="lab_bsac_PutOptionsMember_documentation_en-US" xlink:label="lab_bsac_PutOptionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Put Options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PutOptionsMember" xlink:href="bsac-20251231.xsd#bsac_PutOptionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PutOptionsMember" xlink:to="lab_bsac_PutOptionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalLiquidAssets_fd53b0f1-170e-4b42-85a1-201de3de022d_totalLabel_en-US" xlink:label="lab_bsac_TotalLiquidAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_TotalLiquidAssets_label_en-US" xlink:label="lab_bsac_TotalLiquidAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Liquid Assets</link:label>
    <link:label id="lab_bsac_TotalLiquidAssets_documentation_en-US" xlink:label="lab_bsac_TotalLiquidAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Liquid Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalLiquidAssets" xlink:href="bsac-20251231.xsd#bsac_TotalLiquidAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalLiquidAssets" xlink:to="lab_bsac_TotalLiquidAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnobservableInputsAxis_3ffeb106-b068-44c7-84e1-75c848b66c0f_terseLabel_en-US" xlink:label="lab_ifrs-full_UnobservableInputsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unobservable inputs [axis]</link:label>
    <link:label id="lab_ifrs-full_UnobservableInputsAxis_label_en-US" xlink:label="lab_ifrs-full_UnobservableInputsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unobservable inputs [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnobservableInputsAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UnobservableInputsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnobservableInputsAxis" xlink:to="lab_ifrs-full_UnobservableInputsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AUDMember_24228b0b-37c6-4ad4-8022-43414390b671_terseLabel_en-US" xlink:label="lab_bsac_AUDMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander bonds in AUD</link:label>
    <link:label id="lab_bsac_AUDMember_label_en-US" xlink:label="lab_bsac_AUDMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AUD [Member]</link:label>
    <link:label id="lab_bsac_AUDMember_documentation_en-US" xlink:label="lab_bsac_AUDMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">AUD</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AUDMember" xlink:href="bsac-20251231.xsd#bsac_AUDMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AUDMember" xlink:to="lab_bsac_AUDMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CmaraCompensacinDeAltoValorSAMember_8e6fdff7-162a-4a9d-b6e2-00b2383aa10d_terseLabel_en-US" xlink:label="lab_bsac_CmaraCompensacinDeAltoValorSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">C&#225;mara Compensaci&#243;n de Pagos de Alto Valor S.A.</link:label>
    <link:label id="lab_bsac_CmaraCompensacinDeAltoValorSAMember_dbc0b2c2-460e-44ef-87c0-edb604d7b655_verboseLabel_en-US" xlink:label="lab_bsac_CmaraCompensacinDeAltoValorSAMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">C&#225;mara de Compensaci&#243;n de Alto Valor S.A.</link:label>
    <link:label id="lab_bsac_CmaraCompensacinDeAltoValorSAMember_label_en-US" xlink:label="lab_bsac_CmaraCompensacinDeAltoValorSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cmara Compensacin De Alto Valor SA [Member]</link:label>
    <link:label id="lab_bsac_CmaraCompensacinDeAltoValorSAMember_documentation_en-US" xlink:label="lab_bsac_CmaraCompensacinDeAltoValorSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cmara Compensacin De Alto Valor SA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CmaraCompensacinDeAltoValorSAMember" xlink:href="bsac-20251231.xsd#bsac_CmaraCompensacinDeAltoValorSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CmaraCompensacinDeAltoValorSAMember" xlink:to="lab_bsac_CmaraCompensacinDeAltoValorSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsSubjectToEquity_c4a95a46-4f66-4195-ab45-f29599f8325d_terseLabel_en-US" xlink:label="lab_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsSubjectToEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interest</link:label>
    <link:label id="lab_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsSubjectToEquity_label_en-US" xlink:label="lab_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsSubjectToEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income Attributable To Noncontrolling Interests Subject To Equity</link:label>
    <link:label id="lab_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsSubjectToEquity_documentation_en-US" xlink:label="lab_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsSubjectToEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of comprehensive income attributable to non-controlling interests.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsSubjectToEquity" xlink:href="bsac-20251231.xsd#bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsSubjectToEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsSubjectToEquity" xlink:to="lab_bsac_ComprehensiveIncomeAttributableToNoncontrollingInterestsSubjectToEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ShortTermLease_8c7a77e0-024b-4e52-9f94-78d28926209a_negatedLabel_en-US" xlink:label="lab_bsac_ShortTermLease" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Short term lease</link:label>
    <link:label id="lab_bsac_ShortTermLease_label_en-US" xlink:label="lab_bsac_ShortTermLease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short Term Lease</link:label>
    <link:label id="lab_bsac_ShortTermLease_documentation_en-US" xlink:label="lab_bsac_ShortTermLease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of short term lease.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ShortTermLease" xlink:href="bsac-20251231.xsd#bsac_ShortTermLease"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ShortTermLease" xlink:to="lab_bsac_ShortTermLease" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract_6ea7d51d-f2b3-4df7-bb1b-84a9602ed8c7_terseLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets and goodwill [abstract]</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible assets and goodwill [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IntangibleAssetsAndGoodwillAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:to="lab_ifrs-full_IntangibleAssetsAndGoodwillAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsLineItems_267c4492-2c0c-4580-b72e-f20edec8c858_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Business Operations of the Bank With their Clients [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Business Operations of the Bank With their Clients [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Business Operations of the Bank With their Clients [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsLineItems" xlink:to="lab_bsac_ScheduleOfBusinessOperationsOfTheBankWithTheirClientsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CurrentTaxAssetOffsetAmount_abb09c68-48b7-4db8-9672-cf466e069590_negatedTerseLabel_en-US" xlink:label="lab_bsac_CurrentTaxAssetOffsetAmount" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Off-setting</link:label>
    <link:label id="lab_bsac_CurrentTaxAssetOffsetAmount_label_en-US" xlink:label="lab_bsac_CurrentTaxAssetOffsetAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Tax Asset, Offset Amount</link:label>
    <link:label id="lab_bsac_CurrentTaxAssetOffsetAmount_documentation_en-US" xlink:label="lab_bsac_CurrentTaxAssetOffsetAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current Tax Asset, Offset Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CurrentTaxAssetOffsetAmount" xlink:href="bsac-20251231.xsd#bsac_CurrentTaxAssetOffsetAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CurrentTaxAssetOffsetAmount" xlink:to="lab_bsac_CurrentTaxAssetOffsetAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans_4ae99ab9-b5a1-487b-8be9-3a033633b165_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Balances at year end</link:label>
    <link:label id="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans_a87f75c2-eb06-4e7f-b38c-dcfd394d08c7_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Net balance at year end</link:label>
    <link:label id="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans_label_en-US" xlink:label="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net defined benefit liability (asset)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LiabilityAssetOfDefinedBenefitPlans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:to="lab_ifrs-full_LiabilityAssetOfDefinedBenefitPlans" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory_e253ce1d-675b-4ab7-b5d1-3cb2c25056de_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-Controlling Interest</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of non-controlling interests [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsTable_cfb0ec82-8136-4b0d-b058-5bdae10e7318_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Significant Actuarial Hypotheses Assumptions [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Significant Actuarial Hypotheses Assumptions [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Significant Actuarial Hypotheses Assumptions [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsTable" xlink:to="lab_bsac_ScheduleOfSignificantActuarialHypothesesAssumptionsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IssuedDebtInstrumentsCategoryMember_962a9cc4-ee3e-4931-b820-8f5aae40c5aa_terseLabel_en-US" xlink:label="lab_bsac_IssuedDebtInstrumentsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issued debt instruments</link:label>
    <link:label id="lab_bsac_IssuedDebtInstrumentsCategoryMember_label_en-US" xlink:label="lab_bsac_IssuedDebtInstrumentsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued Debt Instruments Category [Member]</link:label>
    <link:label id="lab_bsac_IssuedDebtInstrumentsCategoryMember_documentation_en-US" xlink:label="lab_bsac_IssuedDebtInstrumentsCategoryMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Categories of financial assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IssuedDebtInstrumentsCategoryMember" xlink:href="bsac-20251231.xsd#bsac_IssuedDebtInstrumentsCategoryMember"/>
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    <link:label id="lab_ifrs-full_OtherShorttermEmployeeBenefits_e644051a-7a83-49d7-971f-6a56cbe4a8e3_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherShorttermEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for short-term benefits</link:label>
    <link:label id="lab_ifrs-full_OtherShorttermEmployeeBenefits_label_en-US" xlink:label="lab_ifrs-full_OtherShorttermEmployeeBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other short-term employee benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherShorttermEmployeeBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherShorttermEmployeeBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherShorttermEmployeeBenefits" xlink:to="lab_ifrs-full_OtherShorttermEmployeeBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetDeferredTaxBalancesInEquity_560e226f-bbab-44c3-aa04-6952d5062bc5_totalLabel_en-US" xlink:label="lab_bsac_NetDeferredTaxBalancesInEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net deferred tax balances in equity</link:label>
    <link:label id="lab_bsac_NetDeferredTaxBalancesInEquity_label_en-US" xlink:label="lab_bsac_NetDeferredTaxBalancesInEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Deferred Tax Balances In Equity</link:label>
    <link:label id="lab_bsac_NetDeferredTaxBalancesInEquity_documentation_en-US" xlink:label="lab_bsac_NetDeferredTaxBalancesInEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents as a net deferred tax balances in equity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetDeferredTaxBalancesInEquity" xlink:href="bsac-20251231.xsd#bsac_NetDeferredTaxBalancesInEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetDeferredTaxBalancesInEquity" xlink:to="lab_bsac_NetDeferredTaxBalancesInEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment_b9ada678-f26c-44dc-80bf-357556374c47_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Impairment due to damage</link:label>
    <link:label id="lab_ifrs-full_ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment_label_en-US" xlink:label="lab_ifrs-full_ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment loss recognised in other comprehensive income, property, plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment" xlink:to="lab_ifrs-full_ImpairmentLossRecognisedInOtherComprehensiveIncomePropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityVoluntaryFilers_09a4ae15-6568-4b08-a56e-988b0833dc21_terseLabel_en-US" xlink:label="lab_dei_EntityVoluntaryFilers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Voluntary Filers</link:label>
    <link:label id="lab_dei_EntityVoluntaryFilers_label_en-US" xlink:label="lab_dei_EntityVoluntaryFilers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Voluntary Filers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityVoluntaryFilers" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityVoluntaryFilers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityVoluntaryFilers" xlink:to="lab_dei_EntityVoluntaryFilers" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TierOneCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements_70206548-85e1-416a-84dc-875cdbc70865_terseLabel_en-US" xlink:label="lab_bsac_TierOneCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tier 1 capital indicator that the bank must meet, considering the minimum requirements</link:label>
    <link:label id="lab_bsac_TierOneCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements_label_en-US" xlink:label="lab_bsac_TierOneCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tier One Capital Indicator That The Bank Must Meet Considering The Minimum Requirements</link:label>
    <link:label id="lab_bsac_TierOneCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements_documentation_en-US" xlink:label="lab_bsac_TierOneCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of tier 1 capital indicator that the bank must meet, considering the minimum requirements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TierOneCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:href="bsac-20251231.xsd#bsac_TierOneCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TierOneCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:to="lab_bsac_TierOneCapitalIndicatorThatTheBankMustMeetConsideringTheMinimumRequirements" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_WithholdingVATInDollars_e4b064bb-2ba3-42fe-8ccc-a642b4fd94d8_terseLabel_en-US" xlink:label="lab_bsac_WithholdingVATInDollars" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Withholding VAT</link:label>
    <link:label id="lab_bsac_WithholdingVATInDollars_label_en-US" xlink:label="lab_bsac_WithholdingVATInDollars" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Withholding VAT In Dollars</link:label>
    <link:label id="lab_bsac_WithholdingVATInDollars_documentation_en-US" xlink:label="lab_bsac_WithholdingVATInDollars" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Withholding VAT.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_WithholdingVATInDollars" xlink:href="bsac-20251231.xsd#bsac_WithholdingVATInDollars"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_WithholdingVATInDollars" xlink:to="lab_bsac_WithholdingVATInDollars" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFairValueAndTheCorrespondingECLTable_65985858-1c59-4289-97f0-1f3e1e224592_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFairValueAndTheCorrespondingECLTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value and the Corresponding ECL [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueAndTheCorrespondingECLTable_label_en-US" xlink:label="lab_bsac_ScheduleOfFairValueAndTheCorrespondingECLTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value and the Corresponding ECL [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueAndTheCorrespondingECLTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFairValueAndTheCorrespondingECLTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value and the Corresponding ECL [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFairValueAndTheCorrespondingECLTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFairValueAndTheCorrespondingECLTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFairValueAndTheCorrespondingECLTable" xlink:to="lab_bsac_ScheduleOfFairValueAndTheCorrespondingECLTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_5b62bf7f-f38c-47d9-a3c5-5f0647b6c28c_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory Capital Financial Instruments</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsLineItems_87a3d14d-3067-43ba-8486-2ddb511cb6f2_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Instruments Deemed as Financial Trading Investments [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Instruments Deemed as Financial Trading Investments [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Instruments Deemed as Financial Trading Investments [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsLineItems" xlink:to="lab_bsac_ScheduleOfInstrumentsDeemedAsFinancialTradingInvestmentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressCountry_3d3a754b-9a33-4d4c-9072-5d9253f566ec_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCountry" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, Country</link:label>
    <link:label id="lab_dei_EntityAddressCountry_label_en-US" xlink:label="lab_dei_EntityAddressCountry" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, Country</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCountry" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressCountry"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCountry" xlink:to="lab_dei_EntityAddressCountry" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RepresentationAndPersonnelTravelExpenses_aebc44a0-719b-4a81-bd4b-449567df2b98_negatedTerseLabel_en-US" xlink:label="lab_bsac_RepresentationAndPersonnelTravelExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Representation and personnel travel expenses</link:label>
    <link:label id="lab_bsac_RepresentationAndPersonnelTravelExpenses_label_en-US" xlink:label="lab_bsac_RepresentationAndPersonnelTravelExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Representation And Personnel Travel Expenses</link:label>
    <link:label id="lab_bsac_RepresentationAndPersonnelTravelExpenses_documentation_en-US" xlink:label="lab_bsac_RepresentationAndPersonnelTravelExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about representation and personnel travel expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RepresentationAndPersonnelTravelExpenses" xlink:href="bsac-20251231.xsd#bsac_RepresentationAndPersonnelTravelExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RepresentationAndPersonnelTravelExpenses" xlink:to="lab_bsac_RepresentationAndPersonnelTravelExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PotentialAlternativeDisputeResolutionsForProvisions_019c2207-55e0-7fc6-b92b-7d65924a3884_terseLabel_en-US" xlink:label="lab_bsac_PotentialAlternativeDisputeResolutionsForProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Potential alternative dispute resolutions for provisions</link:label>
    <link:label id="lab_bsac_PotentialAlternativeDisputeResolutionsForProvisions_label_en-US" xlink:label="lab_bsac_PotentialAlternativeDisputeResolutionsForProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Potential Alternative Dispute Resolutions For Provisions</link:label>
    <link:label id="lab_bsac_PotentialAlternativeDisputeResolutionsForProvisions_documentation_en-US" xlink:label="lab_bsac_PotentialAlternativeDisputeResolutionsForProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Potential Alternative Dispute Resolutions For Provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PotentialAlternativeDisputeResolutionsForProvisions" xlink:href="bsac-20251231.xsd#bsac_PotentialAlternativeDisputeResolutionsForProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PotentialAlternativeDisputeResolutionsForProvisions" xlink:to="lab_bsac_PotentialAlternativeDisputeResolutionsForProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtStage2TransfersAmount_b89dce4c-56f9-46eb-8a34-c3950a19b8bf_terseLabel_en-US" xlink:label="lab_bsac_DebtStage2TransfersAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers to stage 2</link:label>
    <link:label id="lab_bsac_DebtStage2TransfersAmount_label_en-US" xlink:label="lab_bsac_DebtStage2TransfersAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Stage2 Transfers Amount</link:label>
    <link:label id="lab_bsac_DebtStage2TransfersAmount_documentation_en-US" xlink:label="lab_bsac_DebtStage2TransfersAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Stage2 Transfers Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtStage2TransfersAmount" xlink:href="bsac-20251231.xsd#bsac_DebtStage2TransfersAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtStage2TransfersAmount" xlink:to="lab_bsac_DebtStage2TransfersAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DerivativesContractHaveGuaranteesForAssets_a8325bab-e285-4471-835e-2ef32fdff9b8_terseLabel_en-US" xlink:label="lab_bsac_DerivativesContractHaveGuaranteesForAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivatives contract guarantees for assets</link:label>
    <link:label id="lab_bsac_DerivativesContractHaveGuaranteesForAssets_label_en-US" xlink:label="lab_bsac_DerivativesContractHaveGuaranteesForAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives Contract Have Guarantees For Assets</link:label>
    <link:label id="lab_bsac_DerivativesContractHaveGuaranteesForAssets_documentation_en-US" xlink:label="lab_bsac_DerivativesContractHaveGuaranteesForAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivatives Contract Have Guarantees For Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DerivativesContractHaveGuaranteesForAssets" xlink:href="bsac-20251231.xsd#bsac_DerivativesContractHaveGuaranteesForAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DerivativesContractHaveGuaranteesForAssets" xlink:to="lab_bsac_DerivativesContractHaveGuaranteesForAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfEntitysOperatingSegmentsAbstract_label_en-US" xlink:label="lab_bsac_DisclosureOfEntitysOperatingSegmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Entity's Operating Segments [Abstract]</link:label>
    <link:label id="lab_bsac_DisclosureOfEntitysOperatingSegmentsAbstract_documentation_en-US" xlink:label="lab_bsac_DisclosureOfEntitysOperatingSegmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure Of Entity's Operating Segments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfEntitysOperatingSegmentsAbstract" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfEntitysOperatingSegmentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfEntitysOperatingSegmentsAbstract" xlink:to="lab_bsac_DisclosureOfEntitysOperatingSegmentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AgriculturalBankOfChinaMember_5dfcc38a-9bc7-473d-85b6-f2d548c4b555_terseLabel_en-US" xlink:label="lab_bsac_AgriculturalBankOfChinaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Agricultural Bank Of China</link:label>
    <link:label id="lab_bsac_AgriculturalBankOfChinaMember_label_en-US" xlink:label="lab_bsac_AgriculturalBankOfChinaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Agricultural Bank Of China [Member]</link:label>
    <link:label id="lab_bsac_AgriculturalBankOfChinaMember_documentation_en-US" xlink:label="lab_bsac_AgriculturalBankOfChinaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Agricultural Bank Of China</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AgriculturalBankOfChinaMember" xlink:href="bsac-20251231.xsd#bsac_AgriculturalBankOfChinaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AgriculturalBankOfChinaMember" xlink:to="lab_bsac_AgriculturalBankOfChinaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome1_4ae43132-cfd3-47bd-ba83-624f21461856_negatedLabel_en-US" xlink:label="lab_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Debt instruments at fair value through other comprehensive income</link:label>
    <link:label id="lab_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome1_label_en-US" xlink:label="lab_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument At Fair Value Through Other Comprehensive Income1</link:label>
    <link:label id="lab_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome1_documentation_en-US" xlink:label="lab_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to debt instrument at fair value through other comprehensive income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome1" xlink:href="bsac-20251231.xsd#bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome1" xlink:to="lab_bsac_DebtInstrumentAtFairValueThroughOtherComprehensiveIncome1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments_72ccc4a1-9924-40b2-9884-1aaba0fc72a5_terseLabel_en-US" xlink:label="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 1 to stage 2</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments_label_en-US" xlink:label="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease Through Transfers Expected Credit Losses Allowances Contingent Liabilities And Loan Commitments</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments_documentation_en-US" xlink:label="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:href="bsac-20251231.xsd#bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:to="lab_bsac_IncreaseDecreaseThroughTransfersExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MarkedRiskReturnsCalculationPeriod_8373b198-b1c7-4cb6-9015-ca1289d14bb2_terseLabel_en-US" xlink:label="lab_bsac_MarkedRiskReturnsCalculationPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Returns calculated time window period</link:label>
    <link:label id="lab_bsac_MarkedRiskReturnsCalculationPeriod_label_en-US" xlink:label="lab_bsac_MarkedRiskReturnsCalculationPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marked Risk, Returns Calculation, Period</link:label>
    <link:label id="lab_bsac_MarkedRiskReturnsCalculationPeriod_documentation_en-US" xlink:label="lab_bsac_MarkedRiskReturnsCalculationPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Marked Risk, Returns Calculation, Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MarkedRiskReturnsCalculationPeriod" xlink:href="bsac-20251231.xsd#bsac_MarkedRiskReturnsCalculationPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MarkedRiskReturnsCalculationPeriod" xlink:to="lab_bsac_MarkedRiskReturnsCalculationPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SubtotalOfGeneralAdministrativeExpenses_f8634ea6-4ac3-4604-95ed-45ace740214f_negatedTotalLabel_en-US" xlink:label="lab_bsac_SubtotalOfGeneralAdministrativeExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_bsac_SubtotalOfGeneralAdministrativeExpenses_label_en-US" xlink:label="lab_bsac_SubtotalOfGeneralAdministrativeExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subtotal Of General Administrative Expenses</link:label>
    <link:label id="lab_bsac_SubtotalOfGeneralAdministrativeExpenses_documentation_en-US" xlink:label="lab_bsac_SubtotalOfGeneralAdministrativeExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of subtotal of general administrative expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubtotalOfGeneralAdministrativeExpenses" xlink:href="bsac-20251231.xsd#bsac_SubtotalOfGeneralAdministrativeExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubtotalOfGeneralAdministrativeExpenses" xlink:to="lab_bsac_SubtotalOfGeneralAdministrativeExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalItemsThatWillNotBeReclassifiedToTheIncomeStatement_0cf2cfe3-0898-4df3-b239-6b3da5b1e075_totalLabel_en-US" xlink:label="lab_bsac_TotalItemsThatWillNotBeReclassifiedToTheIncomeStatement" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total items that will not be reclassified to the income statements</link:label>
    <link:label id="lab_bsac_TotalItemsThatWillNotBeReclassifiedToTheIncomeStatement_label_en-US" xlink:label="lab_bsac_TotalItemsThatWillNotBeReclassifiedToTheIncomeStatement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Items That Will Not Be Reclassified To The Income Statement</link:label>
    <link:label id="lab_bsac_TotalItemsThatWillNotBeReclassifiedToTheIncomeStatement_documentation_en-US" xlink:label="lab_bsac_TotalItemsThatWillNotBeReclassifiedToTheIncomeStatement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to total items that will not be reclassified to income statement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalItemsThatWillNotBeReclassifiedToTheIncomeStatement" xlink:href="bsac-20251231.xsd#bsac_TotalItemsThatWillNotBeReclassifiedToTheIncomeStatement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalItemsThatWillNotBeReclassifiedToTheIncomeStatement" xlink:to="lab_bsac_TotalItemsThatWillNotBeReclassifiedToTheIncomeStatement" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetRealizedGain_498c704a-3d36-411e-984e-688aa158f594_verboseLabel_en-US" xlink:label="lab_bsac_NetRealizedGain" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net realized gains</link:label>
    <link:label id="lab_bsac_NetRealizedGain_label_en-US" xlink:label="lab_bsac_NetRealizedGain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Realized Gain</link:label>
    <link:label id="lab_bsac_NetRealizedGain_documentation_en-US" xlink:label="lab_bsac_NetRealizedGain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net realized gains.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetRealizedGain" xlink:href="bsac-20251231.xsd#bsac_NetRealizedGain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetRealizedGain" xlink:to="lab_bsac_NetRealizedGain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForUseOfEstimatesExplanatoryPolicyTextBlock_5b24fc92-16da-4b16-b496-e5ab59eb8e2a_terseLabel_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForUseOfEstimatesExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Use of estimates</link:label>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForUseOfEstimatesExplanatoryPolicyTextBlock_label_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForUseOfEstimatesExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description Of Accounting Policy For Use Of Estimates Explanatory [Policy Text Block]</link:label>
    <link:label id="lab_bsac_DescriptionOfAccountingPolicyForUseOfEstimatesExplanatoryPolicyTextBlock_documentation_en-US" xlink:label="lab_bsac_DescriptionOfAccountingPolicyForUseOfEstimatesExplanatoryPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about description of accounting policy for use of estimates.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DescriptionOfAccountingPolicyForUseOfEstimatesExplanatoryPolicyTextBlock" xlink:href="bsac-20251231.xsd#bsac_DescriptionOfAccountingPolicyForUseOfEstimatesExplanatoryPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DescriptionOfAccountingPolicyForUseOfEstimatesExplanatoryPolicyTextBlock" xlink:to="lab_bsac_DescriptionOfAccountingPolicyForUseOfEstimatesExplanatoryPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationTable_3eb2d4da-084a-4114-9650-28bc30b0ae0e_terseLabel_en-US" xlink:label="lab_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed Assets (Details) - Schedule of Accumulated Depreciation [Table]</link:label>
    <link:label id="lab_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationTable_label_en-US" xlink:label="lab_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixed Assets (Details) - Schedule of Accumulated Depreciation [Table]</link:label>
    <link:label id="lab_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationTable_documentation_en-US" xlink:label="lab_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fixed Assets (Details) - Schedule of Accumulated Depreciation [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationTable" xlink:href="bsac-20251231.xsd#bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationTable" xlink:to="lab_bsac_FixedAssetsDetailsScheduleofAccumulatedDepreciationTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IndividualUpToThirtyDaysMember_3e49195f-1b08-4b13-b5fc-c29808e35cbf_terseLabel_en-US" xlink:label="lab_bsac_IndividualUpToThirtyDaysMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Up to 30 days</link:label>
    <link:label id="lab_bsac_IndividualUpToThirtyDaysMember_label_en-US" xlink:label="lab_bsac_IndividualUpToThirtyDaysMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Individual Up To Thirty Days [Member]</link:label>
    <link:label id="lab_bsac_IndividualUpToThirtyDaysMember_documentation_en-US" xlink:label="lab_bsac_IndividualUpToThirtyDaysMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Individual Up To Thirty Days</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IndividualUpToThirtyDaysMember" xlink:href="bsac-20251231.xsd#bsac_IndividualUpToThirtyDaysMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IndividualUpToThirtyDaysMember" xlink:to="lab_bsac_IndividualUpToThirtyDaysMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeSubtotal_f3c9ab76-1647-4d92-ac81-ee119eeedcda_totalLabel_en-US" xlink:label="lab_bsac_NetIncomeSubtotal" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net income from assets received in lieu of payment</link:label>
    <link:label id="lab_bsac_NetIncomeSubtotal_label_en-US" xlink:label="lab_bsac_NetIncomeSubtotal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Subtotal</link:label>
    <link:label id="lab_bsac_NetIncomeSubtotal_documentation_en-US" xlink:label="lab_bsac_NetIncomeSubtotal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net income subtotal.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeSubtotal" xlink:href="bsac-20251231.xsd#bsac_NetIncomeSubtotal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomeSubtotal" xlink:to="lab_bsac_NetIncomeSubtotal" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RegulatoryCapitalFinancialInstrument_49a6c4a6-1093-465b-be33-0b4453893a59_terseLabel_en-US" xlink:label="lab_bsac_RegulatoryCapitalFinancialInstrument" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulatory capital financial instruments</link:label>
    <link:label id="lab_bsac_RegulatoryCapitalFinancialInstrument_label_en-US" xlink:label="lab_bsac_RegulatoryCapitalFinancialInstrument" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulatory Capital Financial Instrument</link:label>
    <link:label id="lab_bsac_RegulatoryCapitalFinancialInstrument_documentation_en-US" xlink:label="lab_bsac_RegulatoryCapitalFinancialInstrument" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Regulatory capital financial instruments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RegulatoryCapitalFinancialInstrument" xlink:href="bsac-20251231.xsd#bsac_RegulatoryCapitalFinancialInstrument"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RegulatoryCapitalFinancialInstrument" xlink:to="lab_bsac_RegulatoryCapitalFinancialInstrument" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Patents_b99d6b17-7985-4ca5-87ec-6ffc8a18ae06_negatedTerseLabel_en-US" xlink:label="lab_bsac_Patents" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Patents</link:label>
    <link:label id="lab_bsac_Patents_label_en-US" xlink:label="lab_bsac_Patents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Patents</link:label>
    <link:label id="lab_bsac_Patents_documentation_en-US" xlink:label="lab_bsac_Patents" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Patents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Patents" xlink:href="bsac-20251231.xsd#bsac_Patents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Patents" xlink:to="lab_bsac_Patents" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable_e750f747-400e-4ca9-b5bb-9d363026fdb8_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Assets at Amortised Cost (Details) [Table]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of reconciliation of changes in loss allowance and explanation of changes in gross carrying amount for financial instruments [table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:to="lab_ifrs-full_DisclosureOfReconciliationOfChangesInLossAllowanceAndExplanationOfChangesInGrossCarryingAmountForFinancialInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ResultOfContinuingOperations_6198dbfc-d57f-4191-97dd-2eb756fdb392_totalLabel_en-US" xlink:label="lab_bsac_ResultOfContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Result of continuing operations</link:label>
    <link:label id="lab_bsac_ResultOfContinuingOperations_label_en-US" xlink:label="lab_bsac_ResultOfContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Result Of Continuing Operations</link:label>
    <link:label id="lab_bsac_ResultOfContinuingOperations_documentation_en-US" xlink:label="lab_bsac_ResultOfContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Result of continuing operations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ResultOfContinuingOperations" xlink:href="bsac-20251231.xsd#bsac_ResultOfContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ResultOfContinuingOperations" xlink:to="lab_bsac_ResultOfContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PresentValueOfObligationsOpeningBalance_bfc8e18c-abec-4efe-bc51-0353eecc5659_negatedLabel_en-US" xlink:label="lab_bsac_PresentValueOfObligationsOpeningBalance" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Present value of obligations opening balance</link:label>
    <link:label id="lab_bsac_PresentValueOfObligationsOpeningBalance_label_en-US" xlink:label="lab_bsac_PresentValueOfObligationsOpeningBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Present Value Of Obligations Opening Balance</link:label>
    <link:label id="lab_bsac_PresentValueOfObligationsOpeningBalance_documentation_en-US" xlink:label="lab_bsac_PresentValueOfObligationsOpeningBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Present value of obligations opening balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PresentValueOfObligationsOpeningBalance" xlink:href="bsac-20251231.xsd#bsac_PresentValueOfObligationsOpeningBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PresentValueOfObligationsOpeningBalance" xlink:to="lab_bsac_PresentValueOfObligationsOpeningBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TimeDepositsAndOtherTimeLiabilitiesMember_69564bb2-f95b-4e45-a7ef-54d258af9987_terseLabel_en-US" xlink:label="lab_bsac_TimeDepositsAndOtherTimeLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Time deposits and other time liabilities</link:label>
    <link:label id="lab_bsac_TimeDepositsAndOtherTimeLiabilitiesMember_label_en-US" xlink:label="lab_bsac_TimeDepositsAndOtherTimeLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Time Deposits And Other Time Liabilities [Member]</link:label>
    <link:label id="lab_bsac_TimeDepositsAndOtherTimeLiabilitiesMember_documentation_en-US" xlink:label="lab_bsac_TimeDepositsAndOtherTimeLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Time Deposits And Other Time Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TimeDepositsAndOtherTimeLiabilitiesMember" xlink:href="bsac-20251231.xsd#bsac_TimeDepositsAndOtherTimeLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TimeDepositsAndOtherTimeLiabilitiesMember" xlink:to="lab_bsac_TimeDepositsAndOtherTimeLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RepurchaseAndSecuritiesLendingContractsMember_019c222a-b74a-7db1-9951-6ea1946323df_terseLabel_en-US" xlink:label="lab_bsac_RepurchaseAndSecuritiesLendingContractsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase and securities lending contracts</link:label>
    <link:label id="lab_bsac_RepurchaseAndSecuritiesLendingContractsMember_label_en-US" xlink:label="lab_bsac_RepurchaseAndSecuritiesLendingContractsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase And Securities Lending Contracts [Member]</link:label>
    <link:label id="lab_bsac_RepurchaseAndSecuritiesLendingContractsMember_documentation_en-US" xlink:label="lab_bsac_RepurchaseAndSecuritiesLendingContractsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Repurchase And Securities Lending Contracts</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RepurchaseAndSecuritiesLendingContractsMember" xlink:href="bsac-20251231.xsd#bsac_RepurchaseAndSecuritiesLendingContractsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RepurchaseAndSecuritiesLendingContractsMember" xlink:to="lab_bsac_RepurchaseAndSecuritiesLendingContractsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChinaConstructionBankMember_6e21d257-9d59-4100-9140-a59c365c3629_terseLabel_en-US" xlink:label="lab_bsac_ChinaConstructionBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">China Construction Bank</link:label>
    <link:label id="lab_bsac_ChinaConstructionBankMember_label_en-US" xlink:label="lab_bsac_ChinaConstructionBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">China Construction Bank [Member]</link:label>
    <link:label id="lab_bsac_ChinaConstructionBankMember_documentation_en-US" xlink:label="lab_bsac_ChinaConstructionBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">China Construction Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChinaConstructionBankMember" xlink:href="bsac-20251231.xsd#bsac_ChinaConstructionBankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChinaConstructionBankMember" xlink:to="lab_bsac_ChinaConstructionBankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OilAndNaturalGasMember_aadccfb7-4772-4b1b-9e68-3da3bffc2f76_terseLabel_en-US" xlink:label="lab_bsac_OilAndNaturalGasMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Oil and natural gas</link:label>
    <link:label id="lab_bsac_OilAndNaturalGasMember_label_en-US" xlink:label="lab_bsac_OilAndNaturalGasMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Oil And Natural Gas [Member]</link:label>
    <link:label id="lab_bsac_OilAndNaturalGasMember_documentation_en-US" xlink:label="lab_bsac_OilAndNaturalGasMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Oil And Natural Gas</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OilAndNaturalGasMember" xlink:href="bsac-20251231.xsd#bsac_OilAndNaturalGasMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OilAndNaturalGasMember" xlink:to="lab_bsac_OilAndNaturalGasMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CreditAgricoleItaliaSPAMember_019b31ee-6d31-7337-b899-18ab3943ab9c_terseLabel_en-US" xlink:label="lab_bsac_CreditAgricoleItaliaSPAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Agricole Italia SPA</link:label>
    <link:label id="lab_bsac_CreditAgricoleItaliaSPAMember_label_en-US" xlink:label="lab_bsac_CreditAgricoleItaliaSPAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Agricole Italia SPA [Member]</link:label>
    <link:label id="lab_bsac_CreditAgricoleItaliaSPAMember_documentation_en-US" xlink:label="lab_bsac_CreditAgricoleItaliaSPAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit Agricole Italia SPA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CreditAgricoleItaliaSPAMember" xlink:href="bsac-20251231.xsd#bsac_CreditAgricoleItaliaSPAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CreditAgricoleItaliaSPAMember" xlink:to="lab_bsac_CreditAgricoleItaliaSPAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelLineItems_07a201be-ac4e-492a-bb9f-f698995a52ac_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Composition of the Bank&#8217;s Key Personnel [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Composition of the Bank&#8217;s Key Personnel [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Composition of the Bank&#8217;s Key Personnel [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelLineItems" xlink:to="lab_bsac_ScheduleOfCompositionOfTheBanksKeyPersonnelLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DerivativeInstrumentsAmount_7102dcd1-52d0-4eb1-a421-52ed6dbd6c8d_terseLabel_en-US" xlink:label="lab_bsac_DerivativeInstrumentsAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative instruments amount (in Dollars)</link:label>
    <link:label id="lab_bsac_DerivativeInstrumentsAmount_label_en-US" xlink:label="lab_bsac_DerivativeInstrumentsAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instruments Amount</link:label>
    <link:label id="lab_bsac_DerivativeInstrumentsAmount_documentation_en-US" xlink:label="lab_bsac_DerivativeInstrumentsAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Derivative Instruments Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DerivativeInstrumentsAmount" xlink:href="bsac-20251231.xsd#bsac_DerivativeInstrumentsAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DerivativeInstrumentsAmount" xlink:to="lab_bsac_DerivativeInstrumentsAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BalancesOnTermDepositsFromCustomers_0610f573-7271-4030-8443-fc793093d735_terseLabel_en-US" xlink:label="lab_ifrs-full_BalancesOnTermDepositsFromCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Time deposits and other time liabilities</link:label>
    <link:label id="lab_ifrs-full_BalancesOnTermDepositsFromCustomers_label_en-US" xlink:label="lab_ifrs-full_BalancesOnTermDepositsFromCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balances on term deposits from customers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BalancesOnTermDepositsFromCustomers" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BalancesOnTermDepositsFromCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BalancesOnTermDepositsFromCustomers" xlink:to="lab_ifrs-full_BalancesOnTermDepositsFromCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_January2024SeniorUSDMember_944f8d38-181b-4ee4-af98-aad12c9406fb_terseLabel_en-US" xlink:label="lab_bsac_January2024SeniorUSDMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">January 2024, Senior, USD</link:label>
    <link:label id="lab_bsac_January2024SeniorUSDMember_label_en-US" xlink:label="lab_bsac_January2024SeniorUSDMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">January 2024, Senior, USD [Member]</link:label>
    <link:label id="lab_bsac_January2024SeniorUSDMember_documentation_en-US" xlink:label="lab_bsac_January2024SeniorUSDMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">January 2024, Senior, USD</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_January2024SeniorUSDMember" xlink:href="bsac-20251231.xsd#bsac_January2024SeniorUSDMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_January2024SeniorUSDMember" xlink:to="lab_bsac_January2024SeniorUSDMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ShanghaiPudongDevelopmentBankMember_019bf969-da88-7c9e-8730-c0863abf5e02_terseLabel_en-US" xlink:label="lab_bsac_ShanghaiPudongDevelopmentBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shanghai Pudong Development Bank</link:label>
    <link:label id="lab_bsac_ShanghaiPudongDevelopmentBankMember_label_en-US" xlink:label="lab_bsac_ShanghaiPudongDevelopmentBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shanghai Pudong Development Bank [Member]</link:label>
    <link:label id="lab_bsac_ShanghaiPudongDevelopmentBankMember_documentation_en-US" xlink:label="lab_bsac_ShanghaiPudongDevelopmentBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shanghai Pudong Development Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ShanghaiPudongDevelopmentBankMember" xlink:href="bsac-20251231.xsd#bsac_ShanghaiPudongDevelopmentBankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ShanghaiPudongDevelopmentBankMember" xlink:to="lab_bsac_ShanghaiPudongDevelopmentBankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExternalFraudMember_9fc455d8-342a-4b68-9c72-8c3c16693e8e_terseLabel_en-US" xlink:label="lab_bsac_ExternalFraudMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">External fraud</link:label>
    <link:label id="lab_bsac_ExternalFraudMember_label_en-US" xlink:label="lab_bsac_ExternalFraudMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">External Fraud [Member]</link:label>
    <link:label id="lab_bsac_ExternalFraudMember_documentation_en-US" xlink:label="lab_bsac_ExternalFraudMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">External Fraud</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExternalFraudMember" xlink:href="bsac-20251231.xsd#bsac_ExternalFraudMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExternalFraudMember" xlink:to="lab_bsac_ExternalFraudMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionsUsedOtherProvisions_c4d414cc-0a4f-4344-9690-3a15d732527d_terseLabel_en-US" xlink:label="lab_bsac_ProvisionsUsedOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_bsac_ProvisionsUsedOtherProvisions_label_en-US" xlink:label="lab_bsac_ProvisionsUsedOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions Used Other Provisions</link:label>
    <link:label id="lab_bsac_ProvisionsUsedOtherProvisions_documentation_en-US" xlink:label="lab_bsac_ProvisionsUsedOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionsUsedOtherProvisions" xlink:href="bsac-20251231.xsd#bsac_ProvisionsUsedOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionsUsedOtherProvisions" xlink:to="lab_bsac_ProvisionsUsedOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisposalsAndImpairment_70cc8f1c-0fff-46aa-bb0e-0be8ca177403_negatedLabel_en-US" xlink:label="lab_bsac_DisposalsAndImpairment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Disposals and impairment</link:label>
    <link:label id="lab_bsac_DisposalsAndImpairment_label_en-US" xlink:label="lab_bsac_DisposalsAndImpairment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposals And Impairment</link:label>
    <link:label id="lab_bsac_DisposalsAndImpairment_documentation_en-US" xlink:label="lab_bsac_DisposalsAndImpairment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disposals and impairment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisposalsAndImpairment" xlink:href="bsac-20251231.xsd#bsac_DisposalsAndImpairment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisposalsAndImpairment" xlink:to="lab_bsac_DisposalsAndImpairment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForLiabilitiesHeldAtEndOfPeriodFairValueMeasurement_b7c0793c-9963-4d9d-8f4b-cf36c89512ba_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForLiabilitiesHeldAtEndOfPeriodFairValueMeasurement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total profits or losses included in comprehensive income that are attributable to change in unrealized profit (losses) related to assets or liabilities</link:label>
    <link:label id="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForLiabilitiesHeldAtEndOfPeriodFairValueMeasurement_label_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForLiabilitiesHeldAtEndOfPeriodFairValueMeasurement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) recognised in profit or loss attributable to change in unrealised gains or losses for liabilities held at end of period, fair value measurement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForLiabilitiesHeldAtEndOfPeriodFairValueMeasurement" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForLiabilitiesHeldAtEndOfPeriodFairValueMeasurement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForLiabilitiesHeldAtEndOfPeriodFairValueMeasurement" xlink:to="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForLiabilitiesHeldAtEndOfPeriodFairValueMeasurement" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain_31e9b232-e549-4a99-96ef-6bb10c9df47c_terseLabel_en-US" xlink:label="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Method of assessment of expected credit losses [domain]</link:label>
    <link:label id="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain_label_en-US" xlink:label="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Method of assessment of expected credit losses [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" xlink:to="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets_019b9f2a-8e58-746b-bc0e-3b694cbfe5ad_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New transactions</link:label>
    <link:label id="lab_ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase through origination or purchase, financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets" xlink:to="lab_ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesNetIncome_553b6dee-3f13-4c27-affa-8d56e3bf6a25_terseLabel_en-US" xlink:label="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesNetIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income</link:label>
    <link:label id="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesNetIncome_label_en-US" xlink:label="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesNetIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments In Subsidiaries Joint Ventures And Associates Net Income</link:label>
    <link:label id="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesNetIncome_documentation_en-US" xlink:label="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesNetIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of investments accounted for using the equity method. The equity method is a method of accounting whereby the investment is initially recognised at cost and adjusted thereafter for the post-acquisition change in the investor's share of net assets of the investee. The investor's profit or loss includes its share of the profit or loss of the investee. The investor's other comprehensive income includes its share of the other comprehensive income of the investee.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesNetIncome" xlink:href="bsac-20251231.xsd#bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesNetIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesNetIncome" xlink:to="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesNetIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Writeoff_c61d49ce-5675-47a0-a6bf-0612f688d7c3_terseLabel_en-US" xlink:label="lab_bsac_Writeoff" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Write-off</link:label>
    <link:label id="lab_bsac_Writeoff_779bd26e-0716-46ac-9d22-fae443b6235d_negatedTerseLabel_en-US" xlink:label="lab_bsac_Writeoff" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Write-off</link:label>
    <link:label id="lab_bsac_Writeoff_label_en-US" xlink:label="lab_bsac_Writeoff" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Writeoff</link:label>
    <link:label id="lab_bsac_Writeoff_documentation_en-US" xlink:label="lab_bsac_Writeoff" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Writte Off.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Writeoff" xlink:href="bsac-20251231.xsd#bsac_Writeoff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Writeoff" xlink:to="lab_bsac_Writeoff" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_e4e8a8b1-e708-442d-89a6-53942f78ded4_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reporting Segments</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of entity's operating segments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ImpactSens1bpUnfavourableScenario1_1bd40f44-5f98-4447-996d-cd8e7a1f8344_terseLabel_en-US" xlink:label="lab_bsac_ImpactSens1bpUnfavourableScenario1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impacts (in MCh$) Sens, -1bp Unfavorable scenario</link:label>
    <link:label id="lab_bsac_ImpactSens1bpUnfavourableScenario1_label_en-US" xlink:label="lab_bsac_ImpactSens1bpUnfavourableScenario1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impact Sens1bp Unfavourable Scenario1</link:label>
    <link:label id="lab_bsac_ImpactSens1bpUnfavourableScenario1_documentation_en-US" xlink:label="lab_bsac_ImpactSens1bpUnfavourableScenario1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Impact Sens1bp Unfavourable Scenario1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ImpactSens1bpUnfavourableScenario1" xlink:href="bsac-20251231.xsd#bsac_ImpactSens1bpUnfavourableScenario1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ImpactSens1bpUnfavourableScenario1" xlink:to="lab_bsac_ImpactSens1bpUnfavourableScenario1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_21fed9ee-111e-490f-97bd-20afbb2b3bcb_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total items that will be reclassified to the income statements</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income that will be reclassified to profit or loss, net of tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionsForLicenseForUseBrands_ce382b1f-0fc2-43b1-a427-bac1fc990448_negatedNetLabel_en-US" xlink:label="lab_bsac_CommissionsForLicenseForUseBrands" xlink:role="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="resource" xml:lang="en-US">Commissions for licence for use brands</link:label>
    <link:label id="lab_bsac_CommissionsForLicenseForUseBrands_label_en-US" xlink:label="lab_bsac_CommissionsForLicenseForUseBrands" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commissions For License For Use Brands</link:label>
    <link:label id="lab_bsac_CommissionsForLicenseForUseBrands_documentation_en-US" xlink:label="lab_bsac_CommissionsForLicenseForUseBrands" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of commissions for license for use brands.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionsForLicenseForUseBrands" xlink:href="bsac-20251231.xsd#bsac_CommissionsForLicenseForUseBrands"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionsForLicenseForUseBrands" xlink:to="lab_bsac_CommissionsForLicenseForUseBrands" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsLiabilitiesCurrentTaxesDetailNetAbstract_571db8fe-2bb3-4b71-9c6a-7b68cbe5d262_terseLabel_en-US" xlink:label="lab_bsac_AssetsLiabilitiesCurrentTaxesDetailNetAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Assets) liabilities current taxes detail (net)</link:label>
    <link:label id="lab_bsac_AssetsLiabilitiesCurrentTaxesDetailNetAbstract_label_en-US" xlink:label="lab_bsac_AssetsLiabilitiesCurrentTaxesDetailNetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Liabilities Current Taxes Detail Net Abstract</link:label>
    <link:label id="lab_bsac_AssetsLiabilitiesCurrentTaxesDetailNetAbstract_documentation_en-US" xlink:label="lab_bsac_AssetsLiabilitiesCurrentTaxesDetailNetAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Assets Liabilities Current Taxes Detail Net Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsLiabilitiesCurrentTaxesDetailNetAbstract" xlink:href="bsac-20251231.xsd#bsac_AssetsLiabilitiesCurrentTaxesDetailNetAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsLiabilitiesCurrentTaxesDetailNetAbstract" xlink:to="lab_bsac_AssetsLiabilitiesCurrentTaxesDetailNetAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember_467b74a8-15c8-444e-b8bd-05f1cc06dd7c_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Between 3 and 12 months</link:label>
    <link:label id="lab_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than six months and not later than one year [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember" xlink:to="lab_ifrs-full_LaterThanSixMonthsAndNotLaterThanOneYearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BanksOnBehalfOfThirdPartiesMember_a4ff2995-7dce-4409-a49e-0db6a76c1b23_terseLabel_en-US" xlink:label="lab_bsac_BanksOnBehalfOfThirdPartiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Banks on behalf of third parties</link:label>
    <link:label id="lab_bsac_BanksOnBehalfOfThirdPartiesMember_label_en-US" xlink:label="lab_bsac_BanksOnBehalfOfThirdPartiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banks On Behalf Of Third Parties [Member]</link:label>
    <link:label id="lab_bsac_BanksOnBehalfOfThirdPartiesMember_documentation_en-US" xlink:label="lab_bsac_BanksOnBehalfOfThirdPartiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Categories of related parties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BanksOnBehalfOfThirdPartiesMember" xlink:href="bsac-20251231.xsd#bsac_BanksOnBehalfOfThirdPartiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BanksOnBehalfOfThirdPartiesMember" xlink:to="lab_bsac_BanksOnBehalfOfThirdPartiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TelephoneAndCommunicationSystemsMember_11fdbd68-9473-4208-952d-636efae95dca_terseLabel_en-US" xlink:label="lab_bsac_TelephoneAndCommunicationSystemsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Telephone and communication systems</link:label>
    <link:label id="lab_bsac_TelephoneAndCommunicationSystemsMember_label_en-US" xlink:label="lab_bsac_TelephoneAndCommunicationSystemsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Telephone And Communication Systems [Member]</link:label>
    <link:label id="lab_bsac_TelephoneAndCommunicationSystemsMember_documentation_en-US" xlink:label="lab_bsac_TelephoneAndCommunicationSystemsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Telephone And Communication Systems</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TelephoneAndCommunicationSystemsMember" xlink:href="bsac-20251231.xsd#bsac_TelephoneAndCommunicationSystemsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TelephoneAndCommunicationSystemsMember" xlink:to="lab_bsac_TelephoneAndCommunicationSystemsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FairValue_014f3769-0f0b-4564-aab1-14b0e3ad4a59_terseLabel_en-US" xlink:label="lab_bsac_FairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value</link:label>
    <link:label id="lab_bsac_FairValue_label_en-US" xlink:label="lab_bsac_FairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value</link:label>
    <link:label id="lab_bsac_FairValue_documentation_en-US" xlink:label="lab_bsac_FairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The fair value of financial liabilities. [Refer: At fair value [member]; Financial liabilities]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FairValue" xlink:href="bsac-20251231.xsd#bsac_FairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FairValue" xlink:to="lab_bsac_FairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfModifiedLoansTable_29c459fc-b0e2-4604-9906-871bf2c5bc99_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfModifiedLoansTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Modified Loans [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfModifiedLoansTable_label_en-US" xlink:label="lab_bsac_ScheduleOfModifiedLoansTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Modified Loans [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfModifiedLoansTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfModifiedLoansTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Modified Loans [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfModifiedLoansTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfModifiedLoansTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfModifiedLoansTable" xlink:to="lab_bsac_ScheduleOfModifiedLoansTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MaturityLeaseLiabilityTotal_6c5f4223-c0db-469f-8c1c-6697f33f1d46_terseLabel_en-US" xlink:label="lab_bsac_MaturityLeaseLiabilityTotal" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_MaturityLeaseLiabilityTotal_label_en-US" xlink:label="lab_bsac_MaturityLeaseLiabilityTotal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity Lease Liability Total</link:label>
    <link:label id="lab_bsac_MaturityLeaseLiabilityTotal_documentation_en-US" xlink:label="lab_bsac_MaturityLeaseLiabilityTotal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The maturity analysis reconciles the undiscounted expected future cash flows to the lease liabilities recorded on the balance sheet.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MaturityLeaseLiabilityTotal" xlink:href="bsac-20251231.xsd#bsac_MaturityLeaseLiabilityTotal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MaturityLeaseLiabilityTotal" xlink:to="lab_bsac_MaturityLeaseLiabilityTotal" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTable_fb1ece7e-9beb-4dc4-9795-65c53e9393c0_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Instruments Classified as Debt Instruments at Amortized Cost [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTable_label_en-US" xlink:label="lab_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Instruments Classified as Debt Instruments at Amortized Cost [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Instruments Classified as Debt Instruments at Amortized Cost [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTable" xlink:to="lab_bsac_ScheduleOfInstrumentsClassifiedAsDebtInstrumentsAtAmortizedCostTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax_c1b75e3e-c8dd-44b0-a287-1be1cfb96e66_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Recycling adjustments on cash flow hedges, before tax</link:label>
    <link:label id="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax_label_en-US" xlink:label="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification adjustments on cash flow hedges, before tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax" xlink:to="lab_ifrs-full_ReclassificationAdjustmentsOnCashFlowHedgesBeforeTax" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DiscountedCashFlowMember_bba96edd-dc98-4f05-b170-9a6be7ac9a4e_terseLabel_en-US" xlink:label="lab_ifrs-full_DiscountedCashFlowMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discounted Cash Flows</link:label>
    <link:label id="lab_ifrs-full_DiscountedCashFlowMember_label_en-US" xlink:label="lab_ifrs-full_DiscountedCashFlowMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discounted cash flow [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DiscountedCashFlowMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DiscountedCashFlowMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DiscountedCashFlowMember" xlink:to="lab_ifrs-full_DiscountedCashFlowMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanOneYearMember_9576184a-cf59-44c1-9e68-056d8200c793_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">More than 12 months</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneYearMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than one year [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneYearMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanOneYearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearMember" xlink:to="lab_ifrs-full_LaterThanOneYearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TaxesPayrollTaxesAndContributionsAbstract_dc0969b0-3356-418d-819c-9dbeca7eed71_terseLabel_en-US" xlink:label="lab_bsac_TaxesPayrollTaxesAndContributionsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Taxes, payroll taxes, and contributions</link:label>
    <link:label id="lab_bsac_TaxesPayrollTaxesAndContributionsAbstract_label_en-US" xlink:label="lab_bsac_TaxesPayrollTaxesAndContributionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Taxes Payroll Taxes And Contributions Abstract</link:label>
    <link:label id="lab_bsac_TaxesPayrollTaxesAndContributionsAbstract_documentation_en-US" xlink:label="lab_bsac_TaxesPayrollTaxesAndContributionsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Taxes Payroll Taxes And Contributions Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TaxesPayrollTaxesAndContributionsAbstract" xlink:href="bsac-20251231.xsd#bsac_TaxesPayrollTaxesAndContributionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TaxesPayrollTaxesAndContributionsAbstract" xlink:to="lab_bsac_TaxesPayrollTaxesAndContributionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialDerivativeContractsWithCollateralAgreementMember_b5b203a0-89d5-434a-83b3-f9ad86fcea7f_terseLabel_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsWithCollateralAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial derivative contracts with collateral agreement</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsWithCollateralAgreementMember_label_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsWithCollateralAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts With Collateral Agreement [Member]</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsWithCollateralAgreementMember_documentation_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsWithCollateralAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts With Collateral Agreement Threshold Equal To Zero</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialDerivativeContractsWithCollateralAgreementMember" xlink:href="bsac-20251231.xsd#bsac_FinancialDerivativeContractsWithCollateralAgreementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialDerivativeContractsWithCollateralAgreementMember" xlink:to="lab_bsac_FinancialDerivativeContractsWithCollateralAgreementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NationalBankOfGreeceS.A.Member_61337c68-58fd-41f0-ae55-6aa1c02ccede_terseLabel_en-US" xlink:label="lab_bsac_NationalBankOfGreeceS.A.Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">National Bank Of Greece S.A.</link:label>
    <link:label id="lab_bsac_NationalBankOfGreeceS.A.Member_label_en-US" xlink:label="lab_bsac_NationalBankOfGreeceS.A.Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">National Bank Of Greece S.A. , [Member]</link:label>
    <link:label id="lab_bsac_NationalBankOfGreeceS.A.Member_documentation_en-US" xlink:label="lab_bsac_NationalBankOfGreeceS.A.Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">National Bank Of Greece S.A. ,</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NationalBankOfGreeceS.A.Member" xlink:href="bsac-20251231.xsd#bsac_NationalBankOfGreeceS.A.Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NationalBankOfGreeceS.A.Member" xlink:to="lab_bsac_NationalBankOfGreeceS.A.Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PDEqualPercentage_ff724d8a-8fb1-4528-abd7-f316d3c501eb_terseLabel_en-US" xlink:label="lab_bsac_PDEqualPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PD equal percentage</link:label>
    <link:label id="lab_bsac_PDEqualPercentage_label_en-US" xlink:label="lab_bsac_PDEqualPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PDEqual Percentage</link:label>
    <link:label id="lab_bsac_PDEqualPercentage_documentation_en-US" xlink:label="lab_bsac_PDEqualPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">PDEqual Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PDEqualPercentage" xlink:href="bsac-20251231.xsd#bsac_PDEqualPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PDEqualPercentage" xlink:to="lab_bsac_PDEqualPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LongtermInterestRateRiskPercentage_359f0b0d-86f2-4418-aff6-1527b37f11ee_terseLabel_en-US" xlink:label="lab_bsac_LongtermInterestRateRiskPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term interest rate risk percentage</link:label>
    <link:label id="lab_bsac_LongtermInterestRateRiskPercentage_label_en-US" xlink:label="lab_bsac_LongtermInterestRateRiskPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Longterm Interest Rate Risk Percentage</link:label>
    <link:label id="lab_bsac_LongtermInterestRateRiskPercentage_documentation_en-US" xlink:label="lab_bsac_LongtermInterestRateRiskPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The long-term interest rate risk percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LongtermInterestRateRiskPercentage" xlink:href="bsac-20251231.xsd#bsac_LongtermInterestRateRiskPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LongtermInterestRateRiskPercentage" xlink:to="lab_bsac_LongtermInterestRateRiskPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ValuationProvisionForDeferredTaxes_4c63dbfb-0541-43a4-9819-f8e8debb3c5e_terseLabel_en-US" xlink:label="lab_bsac_ValuationProvisionForDeferredTaxes" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Valuation provision</link:label>
    <link:label id="lab_bsac_ValuationProvisionForDeferredTaxes_label_en-US" xlink:label="lab_bsac_ValuationProvisionForDeferredTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Valuation Provision For Deferred Taxes</link:label>
    <link:label id="lab_bsac_ValuationProvisionForDeferredTaxes_documentation_en-US" xlink:label="lab_bsac_ValuationProvisionForDeferredTaxes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of valuation provision for deferred taxes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ValuationProvisionForDeferredTaxes" xlink:href="bsac-20251231.xsd#bsac_ValuationProvisionForDeferredTaxes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ValuationProvisionForDeferredTaxes" xlink:to="lab_bsac_ValuationProvisionForDeferredTaxes" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ForeignExchangeTransactionsNet_25ad6075-8812-444d-96c6-328eea05219f_terseLabel_en-US" xlink:label="lab_bsac_ForeignExchangeTransactionsNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income from exchange, adjustment and hedge accounting of foreign exchange</link:label>
    <link:label id="lab_bsac_ForeignExchangeTransactionsNet_label_en-US" xlink:label="lab_bsac_ForeignExchangeTransactionsNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Exchange Transactions Net</link:label>
    <link:label id="lab_bsac_ForeignExchangeTransactionsNet_documentation_en-US" xlink:label="lab_bsac_ForeignExchangeTransactionsNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">It represents the amount of foreign exchange transactions, net.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ForeignExchangeTransactionsNet" xlink:href="bsac-20251231.xsd#bsac_ForeignExchangeTransactionsNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ForeignExchangeTransactionsNet" xlink:to="lab_bsac_ForeignExchangeTransactionsNet" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FeeAndCommissionIncome_e34eb373-5bde-4a27-b5b7-3226ce5a8401_terseLabel_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fee and commission income</link:label>
    <link:label id="lab_ifrs-full_FeeAndCommissionIncome_ccd60954-4067-454a-9d45-efbb067369de_totalLabel_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_FeeAndCommissionIncome_label_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fee and commission income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FeeAndCommissionIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FeeAndCommissionIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FeeAndCommissionIncome" xlink:to="lab_ifrs-full_FeeAndCommissionIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransferredOverTimesMember_fa78d875-a9cd-4710-804a-390e0649508e_terseLabel_en-US" xlink:label="lab_bsac_TransferredOverTimesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transferred over time</link:label>
    <link:label id="lab_bsac_TransferredOverTimesMember_label_en-US" xlink:label="lab_bsac_TransferredOverTimesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transferred Over Times [Member]</link:label>
    <link:label id="lab_bsac_TransferredOverTimesMember_documentation_en-US" xlink:label="lab_bsac_TransferredOverTimesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transferred Over Times</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransferredOverTimesMember" xlink:href="bsac-20251231.xsd#bsac_TransferredOverTimesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransferredOverTimesMember" xlink:to="lab_bsac_TransferredOverTimesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_85c28193-ea75-4f06-b645-bc5711930c2d_terseLabel_en-US" xlink:label="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment of property, plant, and equipment</link:label>
    <link:label id="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments for impairment loss (reversal of impairment loss) recognised in profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:to="lab_ifrs-full_AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityInteractiveDataCurrent_e0c651c9-0541-45bb-a974-850512f430dd_terseLabel_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Interactive Data Current</link:label>
    <link:label id="lab_dei_EntityInteractiveDataCurrent_label_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Interactive Data Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInteractiveDataCurrent" xlink:to="lab_dei_EntityInteractiveDataCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CashInProcessOfCollectionNet_1fe41d32-5f4a-4f3d-ab8c-96c21e5a1274_terseLabel_en-US" xlink:label="lab_bsac_CashInProcessOfCollectionNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net cash items in process of collection</link:label>
    <link:label id="lab_bsac_CashInProcessOfCollectionNet_2212dd31-1b17-42c6-b62d-ec19e28da4d6_totalLabel_en-US" xlink:label="lab_bsac_CashInProcessOfCollectionNet" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Cash in process of collection, net</link:label>
    <link:label id="lab_bsac_CashInProcessOfCollectionNet_label_en-US" xlink:label="lab_bsac_CashInProcessOfCollectionNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash In Process Of Collection Net</link:label>
    <link:label id="lab_bsac_CashInProcessOfCollectionNet_documentation_en-US" xlink:label="lab_bsac_CashInProcessOfCollectionNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of cash in process of collection net.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CashInProcessOfCollectionNet" xlink:href="bsac-20251231.xsd#bsac_CashInProcessOfCollectionNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CashInProcessOfCollectionNet" xlink:to="lab_bsac_CashInProcessOfCollectionNet" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_f88e8d90-a0f8-43fe-9acc-f481d170e127_totalLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current financial assets at fair value through other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_ifrs-full_NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LimitsAbstract_3e61119c-6602-4012-ac72-2bb9b37d1599_terseLabel_en-US" xlink:label="lab_bsac_LimitsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Limits:</link:label>
    <link:label id="lab_bsac_LimitsAbstract_label_en-US" xlink:label="lab_bsac_LimitsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Limits Abstract</link:label>
    <link:label id="lab_bsac_LimitsAbstract_documentation_en-US" xlink:label="lab_bsac_LimitsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Limits Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LimitsAbstract" xlink:href="bsac-20251231.xsd#bsac_LimitsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LimitsAbstract" xlink:to="lab_bsac_LimitsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtFinancialsInstruments_861767f8-acf3-4353-a855-7a9c81b09e98_terseLabel_en-US" xlink:label="lab_bsac_DebtFinancialsInstruments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt financial instruments</link:label>
    <link:label id="lab_bsac_DebtFinancialsInstruments_label_en-US" xlink:label="lab_bsac_DebtFinancialsInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Financials Instruments</link:label>
    <link:label id="lab_bsac_DebtFinancialsInstruments_documentation_en-US" xlink:label="lab_bsac_DebtFinancialsInstruments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of financial liabilities at amortised cost. The amortised cost is the amount at which financial liabilities are measured at initial recognition minus principal repayments, plus or minus the cumulative amortisation using the effective interest method of any difference between that initial amount and the maturity amount. [Refer: Financial liabilities]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtFinancialsInstruments" xlink:href="bsac-20251231.xsd#bsac_DebtFinancialsInstruments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtFinancialsInstruments" xlink:to="lab_bsac_DebtFinancialsInstruments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValue_31b3719e-93f0-40fd-86f8-37e1b0eaa8ac_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value, assets</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValue_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets, at fair value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValue" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValue" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SoftwareDevelopmentsMember_03af6604-2653-4601-be39-4835ab0bb418_terseLabel_en-US" xlink:label="lab_bsac_SoftwareDevelopmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Software development</link:label>
    <link:label id="lab_bsac_SoftwareDevelopmentsMember_label_en-US" xlink:label="lab_bsac_SoftwareDevelopmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Software Developments [Member]</link:label>
    <link:label id="lab_bsac_SoftwareDevelopmentsMember_documentation_en-US" xlink:label="lab_bsac_SoftwareDevelopmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Software Developments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SoftwareDevelopmentsMember" xlink:href="bsac-20251231.xsd#bsac_SoftwareDevelopmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SoftwareDevelopmentsMember" xlink:to="lab_bsac_SoftwareDevelopmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IndustrialAndCommercialBankMember_7b20c687-358e-4187-ba8f-5360ae26cde3_terseLabel_en-US" xlink:label="lab_bsac_IndustrialAndCommercialBankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Industrial And Commercial Bank</link:label>
    <link:label id="lab_bsac_IndustrialAndCommercialBankMember_label_en-US" xlink:label="lab_bsac_IndustrialAndCommercialBankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Industrial And Commercial Bank [Member]</link:label>
    <link:label id="lab_bsac_IndustrialAndCommercialBankMember_documentation_en-US" xlink:label="lab_bsac_IndustrialAndCommercialBankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Industrial And Commercial Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IndustrialAndCommercialBankMember" xlink:href="bsac-20251231.xsd#bsac_IndustrialAndCommercialBankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IndustrialAndCommercialBankMember" xlink:to="lab_bsac_IndustrialAndCommercialBankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill_9d0dc101-ddad-4be3-9cc0-b78e08a22853_totalLabel_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net balance</link:label>
    <link:label id="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill_label_en-US" xlink:label="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible assets other than goodwill</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:to="lab_ifrs-full_IntangibleAssetsOtherThanGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract_d26ccfd0-6379-44b5-8819-3abd3caa5520_terseLabel_en-US" xlink:label="lab_ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Corporate information and statement of IFRS compliance [abstract]</link:label>
    <link:label id="lab_ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract_label_en-US" xlink:label="lab_ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate information and statement of IFRS compliance [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:to="lab_ifrs-full_CorporateInformationAndStatementOfIFRSComplianceAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesDividendsReceived_7e9057fe-53fd-49dd-8c49-27c4b03dc613_negatedTerseLabel_en-US" xlink:label="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesDividendsReceived" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Dividends received</link:label>
    <link:label id="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesDividendsReceived_label_en-US" xlink:label="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesDividendsReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments In Subsidiaries Joint Ventures And Associates Dividends Received</link:label>
    <link:label id="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesDividendsReceived_documentation_en-US" xlink:label="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesDividendsReceived" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of dividends received.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesDividendsReceived" xlink:href="bsac-20251231.xsd#bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesDividendsReceived"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesDividendsReceived" xlink:to="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesDividendsReceived" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfHighLowAndAverageLevelsTable_ca4ff3de-a96b-4cc7-9475-9e065652a925_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfHighLowAndAverageLevelsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of High, Low and Average Levels [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfHighLowAndAverageLevelsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfHighLowAndAverageLevelsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of High, Low and Average Levels [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfHighLowAndAverageLevelsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfHighLowAndAverageLevelsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of High, Low and Average Levels [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfHighLowAndAverageLevelsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfHighLowAndAverageLevelsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfHighLowAndAverageLevelsTable" xlink:to="lab_bsac_ScheduleOfHighLowAndAverageLevelsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_country_CN_019c5842-eab4-7c84-a62f-39cc039fa91f_terseLabel_en-US" xlink:label="lab_country_CN" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">China</link:label>
    <link:label id="lab_country_CN_label_en-US" xlink:label="lab_country_CN" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CHINA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_CN" xlink:href="https://xbrl.sec.gov/country/2024/country-2024.xsd#country_CN"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_CN" xlink:to="lab_country_CN" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract_374e8613-77cb-4b82-866b-d89054c5c1ef_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through other comprehensive income [abstract]</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through other comprehensive income [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_f1bec2df-b037-45a5-9e71-a8b6913e9dc4_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of share capital [axis]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalAxis_label_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of share capital [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfShareCapitalAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalAxis" xlink:to="lab_ifrs-full_ClassesOfShareCapitalAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AmountsRemovedFromEquityAndIncludedInCarryingAmountOfNonFinancialAssetLiabilityWhoseAcquisitionOrIncurrenceWasHedgedHighlyProbableForecastTransactionBeforeTaxes_c7c91d1f-37a7-4124-ba18-1ab572e11b4a_negatedTerseLabel_en-US" xlink:label="lab_bsac_AmountsRemovedFromEquityAndIncludedInCarryingAmountOfNonFinancialAssetLiabilityWhoseAcquisitionOrIncurrenceWasHedgedHighlyProbableForecastTransactionBeforeTaxes" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Amounts removed from equity and included in carrying amount of non-financial asset (liability) which acquisition or incurrence was hedged as a highly probable transaction</link:label>
    <link:label id="lab_bsac_AmountsRemovedFromEquityAndIncludedInCarryingAmountOfNonFinancialAssetLiabilityWhoseAcquisitionOrIncurrenceWasHedgedHighlyProbableForecastTransactionBeforeTaxes_label_en-US" xlink:label="lab_bsac_AmountsRemovedFromEquityAndIncludedInCarryingAmountOfNonFinancialAssetLiabilityWhoseAcquisitionOrIncurrenceWasHedgedHighlyProbableForecastTransactionBeforeTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amounts Removed From Equity And Included In Carrying Amount Of Non-Financial Asset (Liability) Whose Acquisition Or Incurrence Was Hedged Highly Probable Forecast Transaction, Before Taxes</link:label>
    <link:label id="lab_bsac_AmountsRemovedFromEquityAndIncludedInCarryingAmountOfNonFinancialAssetLiabilityWhoseAcquisitionOrIncurrenceWasHedgedHighlyProbableForecastTransactionBeforeTaxes_documentation_en-US" xlink:label="lab_bsac_AmountsRemovedFromEquityAndIncludedInCarryingAmountOfNonFinancialAssetLiabilityWhoseAcquisitionOrIncurrenceWasHedgedHighlyProbableForecastTransactionBeforeTaxes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amounts Removed From Equity And Included In Carrying Amount Of Non-Financial Asset (Liability) Whose Acquisition Or Incurrence Was Hedged Highly Probable Forecast Transaction, Before Taxes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AmountsRemovedFromEquityAndIncludedInCarryingAmountOfNonFinancialAssetLiabilityWhoseAcquisitionOrIncurrenceWasHedgedHighlyProbableForecastTransactionBeforeTaxes" xlink:href="bsac-20251231.xsd#bsac_AmountsRemovedFromEquityAndIncludedInCarryingAmountOfNonFinancialAssetLiabilityWhoseAcquisitionOrIncurrenceWasHedgedHighlyProbableForecastTransactionBeforeTaxes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AmountsRemovedFromEquityAndIncludedInCarryingAmountOfNonFinancialAssetLiabilityWhoseAcquisitionOrIncurrenceWasHedgedHighlyProbableForecastTransactionBeforeTaxes" xlink:to="lab_bsac_AmountsRemovedFromEquityAndIncludedInCarryingAmountOfNonFinancialAssetLiabilityWhoseAcquisitionOrIncurrenceWasHedgedHighlyProbableForecastTransactionBeforeTaxes" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutPartialRepurchaseExplanatoryTableTextBlock_a2aa7e12-b371-416e-858c-e7b9b78348fe_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutPartialRepurchaseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Repurchase of Senior Bonds and Partial Repurchase</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutPartialRepurchaseExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutPartialRepurchaseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Partial Repurchase Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutPartialRepurchaseExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutPartialRepurchaseExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about partial repurchase.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutPartialRepurchaseExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutPartialRepurchaseExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutPartialRepurchaseExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutPartialRepurchaseExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_c2745aa2-dea8-458f-9ad4-1a704f6fa8e2_terseLabel_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities [axis]</link:label>
    <link:label id="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis_label_en-US" xlink:label="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities arising from financing activities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:to="lab_ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_40a30575-a570-4a8b-bcc3-f0853e0d5152_terseLabel_en-US" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</link:label>
    <link:label id="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis_label_en-US" xlink:label="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="lab_ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProfitAndLossAttributableToTheShareholdersOfTheBank_5a5fc9b0-602c-4d3e-9513-cd50491c9343_terseLabel_en-US" xlink:label="lab_bsac_ProfitAndLossAttributableToTheShareholdersOfTheBank" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total attributable to the shareholders of the Bank (in Pesos)</link:label>
    <link:label id="lab_bsac_ProfitAndLossAttributableToTheShareholdersOfTheBank_label_en-US" xlink:label="lab_bsac_ProfitAndLossAttributableToTheShareholdersOfTheBank" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit And Loss Attributable To The Shareholders Of The Bank</link:label>
    <link:label id="lab_bsac_ProfitAndLossAttributableToTheShareholdersOfTheBank_documentation_en-US" xlink:label="lab_bsac_ProfitAndLossAttributableToTheShareholdersOfTheBank" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Profit And Loss Attributable To The Shareholders Of The Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProfitAndLossAttributableToTheShareholdersOfTheBank" xlink:href="bsac-20251231.xsd#bsac_ProfitAndLossAttributableToTheShareholdersOfTheBank"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProfitAndLossAttributableToTheShareholdersOfTheBank" xlink:to="lab_bsac_ProfitAndLossAttributableToTheShareholdersOfTheBank" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems_019c538a-1412-7865-b9a8-250a8855943c_terseLabel_en-US" xlink:label="lab_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets And Liabilities Classified As Held For Sale [Line Items]</link:label>
    <link:label id="lab_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems_label_en-US" xlink:label="lab_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets And Liabilities Classified As Held For Sale [Line Items]</link:label>
    <link:label id="lab_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems_documentation_en-US" xlink:label="lab_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Assets And Liabilities Classified As Held For Sale [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems" xlink:href="bsac-20251231.xsd#bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems" xlink:to="lab_bsac_AssetsAndLiabilitiesClassifiedAsHeldForSaleLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OffBalanceCommitmentsAbstract_9c8f9ae6-2a4e-4737-b42f-11249b412349_terseLabel_en-US" xlink:label="lab_bsac_OffBalanceCommitmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Off-balance commitments:</link:label>
    <link:label id="lab_bsac_OffBalanceCommitmentsAbstract_label_en-US" xlink:label="lab_bsac_OffBalanceCommitmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Off Balance Commitments [Abstract]</link:label>
    <link:label id="lab_bsac_OffBalanceCommitmentsAbstract_documentation_en-US" xlink:label="lab_bsac_OffBalanceCommitmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Off Balance Commitments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OffBalanceCommitmentsAbstract" xlink:href="bsac-20251231.xsd#bsac_OffBalanceCommitmentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OffBalanceCommitmentsAbstract" xlink:to="lab_bsac_OffBalanceCommitmentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionOnAssetsReceivedOfPayment_ae8df416-1bb8-4188-8cd0-f0fead90506c_negatedLabel_en-US" xlink:label="lab_bsac_ProvisionOnAssetsReceivedOfPayment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Provision on assets received in lieu of payment</link:label>
    <link:label id="lab_bsac_ProvisionOnAssetsReceivedOfPayment_label_en-US" xlink:label="lab_bsac_ProvisionOnAssetsReceivedOfPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision On Assets Received Of Payment</link:label>
    <link:label id="lab_bsac_ProvisionOnAssetsReceivedOfPayment_documentation_en-US" xlink:label="lab_bsac_ProvisionOnAssetsReceivedOfPayment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision on assets received in lieu of payment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionOnAssetsReceivedOfPayment" xlink:href="bsac-20251231.xsd#bsac_ProvisionOnAssetsReceivedOfPayment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionOnAssetsReceivedOfPayment" xlink:to="lab_bsac_ProvisionOnAssetsReceivedOfPayment" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FeesForTechnicalReportsAndAuditing_ce9e450a-486b-4276-923d-e8d5cfe1dbd3_negatedTerseLabel_en-US" xlink:label="lab_bsac_FeesForTechnicalReportsAndAuditing" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Fees for technical reports, assessments and auditing</link:label>
    <link:label id="lab_bsac_FeesForTechnicalReportsAndAuditing_label_en-US" xlink:label="lab_bsac_FeesForTechnicalReportsAndAuditing" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees For Technical Reports And Auditing</link:label>
    <link:label id="lab_bsac_FeesForTechnicalReportsAndAuditing_documentation_en-US" xlink:label="lab_bsac_FeesForTechnicalReportsAndAuditing" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about fees for technical reports and auditing.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FeesForTechnicalReportsAndAuditing" xlink:href="bsac-20251231.xsd#bsac_FeesForTechnicalReportsAndAuditing"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FeesForTechnicalReportsAndAuditing" xlink:to="lab_bsac_FeesForTechnicalReportsAndAuditing" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialInstitutionNameDomain_02eded0c-5153-4a13-a6b9-398a9efcdbbf_terseLabel_en-US" xlink:label="lab_bsac_FinancialInstitutionNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Institution Name [Domain]</link:label>
    <link:label id="lab_bsac_FinancialInstitutionNameDomain_label_en-US" xlink:label="lab_bsac_FinancialInstitutionNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Institution Name [Domain]</link:label>
    <link:label id="lab_bsac_FinancialInstitutionNameDomain_documentation_en-US" xlink:label="lab_bsac_FinancialInstitutionNameDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Institution Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialInstitutionNameDomain" xlink:href="bsac-20251231.xsd#bsac_FinancialInstitutionNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialInstitutionNameDomain" xlink:to="lab_bsac_FinancialInstitutionNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfCompositionOfTheRightOfUseAssetsTable_edc0db60-96c2-42d1-a6e1-29ac16166438_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfCompositionOfTheRightOfUseAssetsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Composition of the Right of Use Assets [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfCompositionOfTheRightOfUseAssetsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfCompositionOfTheRightOfUseAssetsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Composition of the Right of Use Assets [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfCompositionOfTheRightOfUseAssetsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfCompositionOfTheRightOfUseAssetsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Composition of the Right of Use Assets [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfCompositionOfTheRightOfUseAssetsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfCompositionOfTheRightOfUseAssetsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfCompositionOfTheRightOfUseAssetsTable" xlink:to="lab_bsac_ScheduleOfCompositionOfTheRightOfUseAssetsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionsForLawsuitsAndLitigations_519141cf-276b-4b6f-94b0-f23ab9e5c2f5_verboseLabel_en-US" xlink:label="lab_bsac_ProvisionsForLawsuitsAndLitigations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Provisions for lawsuits</link:label>
    <link:label id="lab_bsac_ProvisionsForLawsuitsAndLitigations_label_en-US" xlink:label="lab_bsac_ProvisionsForLawsuitsAndLitigations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provisions For Lawsuits And Litigations</link:label>
    <link:label id="lab_bsac_ProvisionsForLawsuitsAndLitigations_documentation_en-US" xlink:label="lab_bsac_ProvisionsForLawsuitsAndLitigations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of provisions for lawsuits and litigations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionsForLawsuitsAndLitigations" xlink:href="bsac-20251231.xsd#bsac_ProvisionsForLawsuitsAndLitigations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionsForLawsuitsAndLitigations" xlink:to="lab_bsac_ProvisionsForLawsuitsAndLitigations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AA7Member_7d2d2d2c-63e9-4129-9b3a-03a6d481a403_terseLabel_en-US" xlink:label="lab_bsac_AA7Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AA7</link:label>
    <link:label id="lab_bsac_AA7Member_label_en-US" xlink:label="lab_bsac_AA7Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AA7 [Member]</link:label>
    <link:label id="lab_bsac_AA7Member_documentation_en-US" xlink:label="lab_bsac_AA7Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">AA7</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AA7Member" xlink:href="bsac-20251231.xsd#bsac_AA7Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AA7Member" xlink:to="lab_bsac_AA7Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInInterBankLoans_61e58667-38f0-491b-8ab3-09b94acfcfd6_negatedLabel_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInInterBankLoans" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Decrease/ (increase) of interbank loans</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInInterBankLoans_label_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInInterBankLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments For Decrease Increase In InterBank Loans</link:label>
    <link:label id="lab_bsac_AdjustmentsForDecreaseIncreaseInInterBankLoans_documentation_en-US" xlink:label="lab_bsac_AdjustmentsForDecreaseIncreaseInInterBankLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustments for decrease increase in interbanks loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdjustmentsForDecreaseIncreaseInInterBankLoans" xlink:href="bsac-20251231.xsd#bsac_AdjustmentsForDecreaseIncreaseInInterBankLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdjustmentsForDecreaseIncreaseInInterBankLoans" xlink:to="lab_bsac_AdjustmentsForDecreaseIncreaseInInterBankLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BSTDA91122Member_019b9f55-c11d-794e-97f6-34254095ddd3_terseLabel_en-US" xlink:label="lab_bsac_BSTDA91122Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BSTDA91122</link:label>
    <link:label id="lab_bsac_BSTDA91122Member_label_en-US" xlink:label="lab_bsac_BSTDA91122Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">BSTDA91122 [Member]</link:label>
    <link:label id="lab_bsac_BSTDA91122Member_documentation_en-US" xlink:label="lab_bsac_BSTDA91122Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">BSTDA91122</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BSTDA91122Member" xlink:href="bsac-20251231.xsd#bsac_BSTDA91122Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BSTDA91122Member" xlink:to="lab_bsac_BSTDA91122Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderGlobalServicesS.L.SpainGroupConsultingServicesMonthlyMember_019bf9e9-a496-76fe-a1b2-b607f76c5085_terseLabel_en-US" xlink:label="lab_bsac_SantanderGlobalServicesS.L.SpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Global Services, S.L.| Spain| Group| Consulting Services| Monthly</link:label>
    <link:label id="lab_bsac_SantanderGlobalServicesS.L.SpainGroupConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderGlobalServicesS.L.SpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Global Services, S.L.| Spain| Group| Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderGlobalServicesS.L.SpainGroupConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderGlobalServicesS.L.SpainGroupConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Global Services, S.L.| Spain| Group| Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderGlobalServicesS.L.SpainGroupConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderGlobalServicesS.L.SpainGroupConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderGlobalServicesS.L.SpainGroupConsultingServicesMonthlyMember" xlink:to="lab_bsac_SantanderGlobalServicesS.L.SpainGroupConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParentMember_3cf9a70a-6741-4158-a5bb-83396bf35290_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total attributable to shareholders of the Bank</link:label>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParentMember_4d46f1a5-347b-4065-a701-114b8fed21b6_verboseLabel_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Equity attributable to owners of parent</link:label>
    <link:label id="lab_ifrs-full_EquityAttributableToOwnersOfParentMember_label_en-US" xlink:label="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity attributable to owners of parent [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="lab_ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsDiscountedFromRegulatoryCapitalOtherThanItem2_9236ec4c-2c65-42ee-b588-a2a92ffc9cfb_terseLabel_en-US" xlink:label="lab_bsac_AssetsDiscountedFromRegulatoryCapitalOtherThanItem2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets discounted from regulatory capital, other than item 2</link:label>
    <link:label id="lab_bsac_AssetsDiscountedFromRegulatoryCapitalOtherThanItem2_label_en-US" xlink:label="lab_bsac_AssetsDiscountedFromRegulatoryCapitalOtherThanItem2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Discounted From Regulatory Capital Other Than Item2</link:label>
    <link:label id="lab_bsac_AssetsDiscountedFromRegulatoryCapitalOtherThanItem2_documentation_en-US" xlink:label="lab_bsac_AssetsDiscountedFromRegulatoryCapitalOtherThanItem2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of assets discounted from regulatory capital, other than item 2.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsDiscountedFromRegulatoryCapitalOtherThanItem2" xlink:href="bsac-20251231.xsd#bsac_AssetsDiscountedFromRegulatoryCapitalOtherThanItem2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsDiscountedFromRegulatoryCapitalOtherThanItem2" xlink:to="lab_bsac_AssetsDiscountedFromRegulatoryCapitalOtherThanItem2" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AuditorFirmId_4b1de607-e232-4174-a42d-ed3e5b9c675e_terseLabel_en-US" xlink:label="lab_dei_AuditorFirmId" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Auditor Firm ID</link:label>
    <link:label id="lab_dei_AuditorFirmId_label_en-US" xlink:label="lab_dei_AuditorFirmId" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Auditor Firm ID</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorFirmId" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AuditorFirmId"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AuditorFirmId" xlink:to="lab_dei_AuditorFirmId" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseLineItems_25135ce1-dddb-4bb2-8673-96dcaad4ea64_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Repurchase of Senior Bondspartial Repurchase [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Repurchase of Senior Bondspartial Repurchase [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Repurchase of Senior Bondspartial Repurchase [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseLineItems" xlink:to="lab_bsac_ScheduleOfRepurchaseOfSeniorBondspartialRepurchaseLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_Assets_5a548e35-bdb0-48c6-af47-3e99bfbfea19_totalLabel_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">TOTAL ASSETS</link:label>
    <link:label id="lab_ifrs-full_Assets_7cf79155-391a-42d5-9c2b-089bee20e477_periodStartLabel_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance</link:label>
    <link:label id="lab_ifrs-full_Assets_74a9e10e-c1f7-432e-8ccc-e34ba65b8235_periodEndLabel_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance</link:label>
    <link:label id="lab_ifrs-full_Assets_label_en-US" xlink:label="lab_ifrs-full_Assets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_Assets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_Assets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_Assets" xlink:to="lab_ifrs-full_Assets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_a4cea63d-39d3-4d99-9055-e5e0023f76b4_terseLabel_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Less than 12 months</link:label>
    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_3775655e-b2ec-451e-95b1-3c2be6e03c8e_verboseLabel_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Due within 1 year</link:label>
    <link:label id="lab_ifrs-full_NotLaterThanOneYearMember_label_en-US" xlink:label="lab_ifrs-full_NotLaterThanOneYearMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Not later than one year [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotLaterThanOneYearMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NotLaterThanOneYearMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotLaterThanOneYearMember" xlink:to="lab_ifrs-full_NotLaterThanOneYearMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InternationalFinanceCorporationMember_019b9e93-5d35-734f-8205-9ac8e0ce37d4_terseLabel_en-US" xlink:label="lab_bsac_InternationalFinanceCorporationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">International Finance Corporation</link:label>
    <link:label id="lab_bsac_InternationalFinanceCorporationMember_label_en-US" xlink:label="lab_bsac_InternationalFinanceCorporationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">International Finance Corporation [Member]</link:label>
    <link:label id="lab_bsac_InternationalFinanceCorporationMember_documentation_en-US" xlink:label="lab_bsac_InternationalFinanceCorporationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">International Finance Corporation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InternationalFinanceCorporationMember" xlink:href="bsac-20251231.xsd#bsac_InternationalFinanceCorporationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InternationalFinanceCorporationMember" xlink:to="lab_bsac_InternationalFinanceCorporationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTable_ca956c29-d21a-4502-99e5-6883a0910d7e_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Time Deposits and Other Time Liabilities [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Time Deposits and Other Time Liabilities [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Time Deposits and Other Time Liabilities [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTable" xlink:to="lab_bsac_ScheduleOfTimeDepositsAndOtherTimeLiabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_UFMember_fa14fb85-99ad-402f-826d-e844dc9a81da_terseLabel_en-US" xlink:label="lab_bsac_UFMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander bonds in UF</link:label>
    <link:label id="lab_bsac_UFMember_8b3b8581-c46d-4f0a-860f-2737cd63460f_verboseLabel_en-US" xlink:label="lab_bsac_UFMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">UF</link:label>
    <link:label id="lab_bsac_UFMember_label_en-US" xlink:label="lab_bsac_UFMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">UF [Member]</link:label>
    <link:label id="lab_bsac_UFMember_documentation_en-US" xlink:label="lab_bsac_UFMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">UF</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_UFMember" xlink:href="bsac-20251231.xsd#bsac_UFMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_UFMember" xlink:to="lab_bsac_UFMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NumberOfSharesOutstandingGross_c7e82347-2798-4518-960d-b0c101d6f122_terseLabel_en-US" xlink:label="lab_bsac_NumberOfSharesOutstandingGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares (in shares)</link:label>
    <link:label id="lab_bsac_NumberOfSharesOutstandingGross_label_en-US" xlink:label="lab_bsac_NumberOfSharesOutstandingGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Shares Outstanding Gross</link:label>
    <link:label id="lab_bsac_NumberOfSharesOutstandingGross_documentation_en-US" xlink:label="lab_bsac_NumberOfSharesOutstandingGross" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of gross shares that have been authorised and issued, reduced by treasury shares held.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NumberOfSharesOutstandingGross" xlink:href="bsac-20251231.xsd#bsac_NumberOfSharesOutstandingGross"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NumberOfSharesOutstandingGross" xlink:to="lab_bsac_NumberOfSharesOutstandingGross" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromIssuingShares_93e64a01-50fe-4629-82ca-8d2e3b6d5e98_terseLabel_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssuingShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Placement of subordinated bond</link:label>
    <link:label id="lab_ifrs-full_ProceedsFromIssuingShares_label_en-US" xlink:label="lab_ifrs-full_ProceedsFromIssuingShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from issuing shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromIssuingShares" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProceedsFromIssuingShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromIssuingShares" xlink:to="lab_ifrs-full_ProceedsFromIssuingShares" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ObservableMarketValuedRate_8ba13f44-93cf-428e-aab6-e56c710b6a59_terseLabel_en-US" xlink:label="lab_bsac_ObservableMarketValuedRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Observable market valued rate</link:label>
    <link:label id="lab_bsac_ObservableMarketValuedRate_label_en-US" xlink:label="lab_bsac_ObservableMarketValuedRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Observable Market Valued Rate</link:label>
    <link:label id="lab_bsac_ObservableMarketValuedRate_documentation_en-US" xlink:label="lab_bsac_ObservableMarketValuedRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Observable market are valued rate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ObservableMarketValuedRate" xlink:href="bsac-20251231.xsd#bsac_ObservableMarketValuedRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ObservableMarketValuedRate" xlink:to="lab_bsac_ObservableMarketValuedRate" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LoansAndReceivablesBeforeAllowances1_a425d487-f70b-4adc-95b1-764dcc1cf419_periodStartLabel_en-US" xlink:label="lab_bsac_LoansAndReceivablesBeforeAllowances1" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Gross carrying amount, Beginning balance</link:label>
    <link:label id="lab_bsac_LoansAndReceivablesBeforeAllowances1_7b06401b-4a52-4a1d-a2ff-9305583274ae_periodEndLabel_en-US" xlink:label="lab_bsac_LoansAndReceivablesBeforeAllowances1" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Gross carrying amount, Ending balance</link:label>
    <link:label id="lab_bsac_LoansAndReceivablesBeforeAllowances1_label_en-US" xlink:label="lab_bsac_LoansAndReceivablesBeforeAllowances1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Receivables Before Allowances1</link:label>
    <link:label id="lab_bsac_LoansAndReceivablesBeforeAllowances1_documentation_en-US" xlink:label="lab_bsac_LoansAndReceivablesBeforeAllowances1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to loans and receivables before allowances.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LoansAndReceivablesBeforeAllowances1" xlink:href="bsac-20251231.xsd#bsac_LoansAndReceivablesBeforeAllowances1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LoansAndReceivablesBeforeAllowances1" xlink:to="lab_bsac_LoansAndReceivablesBeforeAllowances1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DamageToFixedAssetsMember_6b9fc65a-1856-430f-9c46-8028967c6a17_terseLabel_en-US" xlink:label="lab_bsac_DamageToFixedAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Damage to physical assets</link:label>
    <link:label id="lab_bsac_DamageToFixedAssetsMember_label_en-US" xlink:label="lab_bsac_DamageToFixedAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Damage To Fixed Assets [Member]</link:label>
    <link:label id="lab_bsac_DamageToFixedAssetsMember_documentation_en-US" xlink:label="lab_bsac_DamageToFixedAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Damage To Fixed Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DamageToFixedAssetsMember" xlink:href="bsac-20251231.xsd#bsac_DamageToFixedAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DamageToFixedAssetsMember" xlink:to="lab_bsac_DamageToFixedAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherExpenseByFunction1_db0b4b13-7617-4dda-a1bc-2a4d62c19094_negatedLabel_en-US" xlink:label="lab_bsac_OtherExpenseByFunction1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other operating expenses</link:label>
    <link:label id="lab_bsac_OtherExpenseByFunction1_label_en-US" xlink:label="lab_bsac_OtherExpenseByFunction1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Expense By Function1</link:label>
    <link:label id="lab_bsac_OtherExpenseByFunction1_documentation_en-US" xlink:label="lab_bsac_OtherExpenseByFunction1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">It represent other expense by function.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherExpenseByFunction1" xlink:href="bsac-20251231.xsd#bsac_OtherExpenseByFunction1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherExpenseByFunction1" xlink:to="lab_bsac_OtherExpenseByFunction1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MarketRiskTradingProtfolioAbstract_9c7e3ff2-57bd-4d63-a7e1-73380830d9af_terseLabel_en-US" xlink:label="lab_bsac_MarketRiskTradingProtfolioAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Market risk &#8211; trading protfolio</link:label>
    <link:label id="lab_bsac_MarketRiskTradingProtfolioAbstract_label_en-US" xlink:label="lab_bsac_MarketRiskTradingProtfolioAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Risk Trading Protfolio Abstract</link:label>
    <link:label id="lab_bsac_MarketRiskTradingProtfolioAbstract_documentation_en-US" xlink:label="lab_bsac_MarketRiskTradingProtfolioAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market Risk Trading Protfolio Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MarketRiskTradingProtfolioAbstract" xlink:href="bsac-20251231.xsd#bsac_MarketRiskTradingProtfolioAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MarketRiskTradingProtfolioAbstract" xlink:to="lab_bsac_MarketRiskTradingProtfolioAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProbabilityWeightingMember_eefa29ac-ea1d-45a2-aa1f-9ae6af8b9246_terseLabel_en-US" xlink:label="lab_bsac_ProbabilityWeightingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Probability weighting</link:label>
    <link:label id="lab_bsac_ProbabilityWeightingMember_label_en-US" xlink:label="lab_bsac_ProbabilityWeightingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Probability Weighting [Member]</link:label>
    <link:label id="lab_bsac_ProbabilityWeightingMember_documentation_en-US" xlink:label="lab_bsac_ProbabilityWeightingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for probability weighting.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProbabilityWeightingMember" xlink:href="bsac-20251231.xsd#bsac_ProbabilityWeightingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProbabilityWeightingMember" xlink:to="lab_bsac_ProbabilityWeightingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderChileHoldingSAMember_60ea706e-180c-4b1d-b0bd-62a76de395b0_terseLabel_en-US" xlink:label="lab_bsac_SantanderChileHoldingSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Chile Holding S.A.</link:label>
    <link:label id="lab_bsac_SantanderChileHoldingSAMember_label_en-US" xlink:label="lab_bsac_SantanderChileHoldingSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Chile Holding SA [Member]</link:label>
    <link:label id="lab_bsac_SantanderChileHoldingSAMember_documentation_en-US" xlink:label="lab_bsac_SantanderChileHoldingSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Categories of related parties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderChileHoldingSAMember" xlink:href="bsac-20251231.xsd#bsac_SantanderChileHoldingSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderChileHoldingSAMember" xlink:to="lab_bsac_SantanderChileHoldingSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DueAfter2YearsButWithin3YearsMember_d63cd34b-e180-4f99-a285-08bef4595e6b_terseLabel_en-US" xlink:label="lab_bsac_DueAfter2YearsButWithin3YearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due within 2 and 3 year</link:label>
    <link:label id="lab_bsac_DueAfter2YearsButWithin3YearsMember_addfe168-6818-4f5e-ad0e-c7dd5b4d4fe8_verboseLabel_en-US" xlink:label="lab_bsac_DueAfter2YearsButWithin3YearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Due after 2 year but within 3 years</link:label>
    <link:label id="lab_bsac_DueAfter2YearsButWithin3YearsMember_label_en-US" xlink:label="lab_bsac_DueAfter2YearsButWithin3YearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due After2 Years But Within3 Years [Member]</link:label>
    <link:label id="lab_bsac_DueAfter2YearsButWithin3YearsMember_documentation_en-US" xlink:label="lab_bsac_DueAfter2YearsButWithin3YearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Due After2 Years But Within3 Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DueAfter2YearsButWithin3YearsMember" xlink:href="bsac-20251231.xsd#bsac_DueAfter2YearsButWithin3YearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DueAfter2YearsButWithin3YearsMember" xlink:to="lab_bsac_DueAfter2YearsButWithin3YearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AdditionalBasicCapitalRequiredToSetUpTheCountercyclicalBuffer_1d900e12-e979-493c-90fc-8c8dc01e2c5e_terseLabel_en-US" xlink:label="lab_bsac_AdditionalBasicCapitalRequiredToSetUpTheCountercyclicalBuffer" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional basic capital required to set up the countercyclical buffer</link:label>
    <link:label id="lab_bsac_AdditionalBasicCapitalRequiredToSetUpTheCountercyclicalBuffer_label_en-US" xlink:label="lab_bsac_AdditionalBasicCapitalRequiredToSetUpTheCountercyclicalBuffer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Basic Capital Required To Set Up The Countercyclical Buffer</link:label>
    <link:label id="lab_bsac_AdditionalBasicCapitalRequiredToSetUpTheCountercyclicalBuffer_documentation_en-US" xlink:label="lab_bsac_AdditionalBasicCapitalRequiredToSetUpTheCountercyclicalBuffer" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of additional basic capital required to set up the countercyclical buffer.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AdditionalBasicCapitalRequiredToSetUpTheCountercyclicalBuffer" xlink:href="bsac-20251231.xsd#bsac_AdditionalBasicCapitalRequiredToSetUpTheCountercyclicalBuffer"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AdditionalBasicCapitalRequiredToSetUpTheCountercyclicalBuffer" xlink:to="lab_bsac_AdditionalBasicCapitalRequiredToSetUpTheCountercyclicalBuffer" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransactionsWithDomesticBanks_f52cbaaf-1c0d-4952-9c3c-ca758900ef73_terseLabel_en-US" xlink:label="lab_bsac_TransactionsWithDomesticBanks" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactions with domestic banks</link:label>
    <link:label id="lab_bsac_TransactionsWithDomesticBanks_label_en-US" xlink:label="lab_bsac_TransactionsWithDomesticBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transactions With Domestic Banks</link:label>
    <link:label id="lab_bsac_TransactionsWithDomesticBanks_documentation_en-US" xlink:label="lab_bsac_TransactionsWithDomesticBanks" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chilean Central Bank and Government securities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransactionsWithDomesticBanks" xlink:href="bsac-20251231.xsd#bsac_TransactionsWithDomesticBanks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransactionsWithDomesticBanks" xlink:to="lab_bsac_TransactionsWithDomesticBanks" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OperatingRevenuesNetOfProvisionsForLoanLosses_73baadc7-31fb-4714-82ed-fb5bda6e5b94_totalLabel_en-US" xlink:label="lab_bsac_OperatingRevenuesNetOfProvisionsForLoanLosses" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">NET OPERATING INCOME BEFORE CREDIT LOSSES</link:label>
    <link:label id="lab_bsac_OperatingRevenuesNetOfProvisionsForLoanLosses_label_en-US" xlink:label="lab_bsac_OperatingRevenuesNetOfProvisionsForLoanLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Revenues Net Of Provisions For Loan Losses</link:label>
    <link:label id="lab_bsac_OperatingRevenuesNetOfProvisionsForLoanLosses_documentation_en-US" xlink:label="lab_bsac_OperatingRevenuesNetOfProvisionsForLoanLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">It represents the amount of operating revenues net of provisions for loan losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OperatingRevenuesNetOfProvisionsForLoanLosses" xlink:href="bsac-20251231.xsd#bsac_OperatingRevenuesNetOfProvisionsForLoanLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OperatingRevenuesNetOfProvisionsForLoanLosses" xlink:to="lab_bsac_OperatingRevenuesNetOfProvisionsForLoanLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CorporateActivityAndOtherMember_41fd61cb-9193-42dc-9645-d04116023fe5_terseLabel_en-US" xlink:label="lab_bsac_CorporateActivityAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Corporate Activity &amp; others</link:label>
    <link:label id="lab_bsac_CorporateActivityAndOtherMember_0ec51986-ae3f-4b38-9aa3-6c4990f4d1ba_verboseLabel_en-US" xlink:label="lab_bsac_CorporateActivityAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Corporate activity and others</link:label>
    <link:label id="lab_bsac_CorporateActivityAndOtherMember_label_en-US" xlink:label="lab_bsac_CorporateActivityAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate Activity And Other [Member]</link:label>
    <link:label id="lab_bsac_CorporateActivityAndOtherMember_documentation_en-US" xlink:label="lab_bsac_CorporateActivityAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Corporate Activity And Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CorporateActivityAndOtherMember" xlink:href="bsac-20251231.xsd#bsac_CorporateActivityAndOtherMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CorporateActivityAndOtherMember" xlink:to="lab_bsac_CorporateActivityAndOtherMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherCurrentLiabilities_fb85272c-b1be-4035-8b2e-abdf447c8e00_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_ifrs-full_OtherCurrentLiabilities_label_en-US" xlink:label="lab_ifrs-full_OtherCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other current liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherCurrentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentLiabilities" xlink:to="lab_ifrs-full_OtherCurrentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SociedadOperadoraDeTarjetasDePagoSantanderGetnetChileSAMember_63954d95-9e3c-4c12-8557-ac30ba21594e_terseLabel_en-US" xlink:label="lab_bsac_SociedadOperadoraDeTarjetasDePagoSantanderGetnetChileSAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sociedad operadora de Tarjetas de Pago Santander Getnet Chile S.A.</link:label>
    <link:label id="lab_bsac_SociedadOperadoraDeTarjetasDePagoSantanderGetnetChileSAMember_label_en-US" xlink:label="lab_bsac_SociedadOperadoraDeTarjetasDePagoSantanderGetnetChileSAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sociedad Operadora De Tarjetas De Pago Santander Getnet Chile SA [Member]</link:label>
    <link:label id="lab_bsac_SociedadOperadoraDeTarjetasDePagoSantanderGetnetChileSAMember_documentation_en-US" xlink:label="lab_bsac_SociedadOperadoraDeTarjetasDePagoSantanderGetnetChileSAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sociedad Operadora De Tarjetas De Pago Santander Getnet Chile SA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SociedadOperadoraDeTarjetasDePagoSantanderGetnetChileSAMember" xlink:href="bsac-20251231.xsd#bsac_SociedadOperadoraDeTarjetasDePagoSantanderGetnetChileSAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SociedadOperadoraDeTarjetasDePagoSantanderGetnetChileSAMember" xlink:to="lab_bsac_SociedadOperadoraDeTarjetasDePagoSantanderGetnetChileSAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfDebtsClassifiedLineItems_612dd157-9a8f-47f0-8afd-20187c413193_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfDebtsClassifiedLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Debts Classified [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfDebtsClassifiedLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfDebtsClassifiedLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Debts Classified [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfDebtsClassifiedLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfDebtsClassifiedLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Debts Classified [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfDebtsClassifiedLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfDebtsClassifiedLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfDebtsClassifiedLineItems" xlink:to="lab_bsac_ScheduleOfDebtsClassifiedLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests_46b5722b-73db-4eaf-bc7d-22836361f816_terseLabel_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interest</link:label>
    <link:label id="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit (loss), attributable to non-controlling interests</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProfitLossAttributableToNoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:to="lab_ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfTaxEffectOfPriceLevelRestatementForTaxPurposes_e0b28c27-7cc9-4339-847f-9602f77a9dd8_verboseLabel_en-US" xlink:label="lab_bsac_PercentageOfTaxEffectOfPriceLevelRestatementForTaxPurposes" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Price level restatement for tax purposes, tax rate</link:label>
    <link:label id="lab_bsac_PercentageOfTaxEffectOfPriceLevelRestatementForTaxPurposes_label_en-US" xlink:label="lab_bsac_PercentageOfTaxEffectOfPriceLevelRestatementForTaxPurposes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Tax Effect Of Price Level Restatement For Tax Purposes</link:label>
    <link:label id="lab_bsac_PercentageOfTaxEffectOfPriceLevelRestatementForTaxPurposes_documentation_en-US" xlink:label="lab_bsac_PercentageOfTaxEffectOfPriceLevelRestatementForTaxPurposes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of tax effect of price level restatement for tax purposes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfTaxEffectOfPriceLevelRestatementForTaxPurposes" xlink:href="bsac-20251231.xsd#bsac_PercentageOfTaxEffectOfPriceLevelRestatementForTaxPurposes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfTaxEffectOfPriceLevelRestatementForTaxPurposes" xlink:to="lab_bsac_PercentageOfTaxEffectOfPriceLevelRestatementForTaxPurposes" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AA8Member_a8c15fa0-878e-40a2-9c80-b5641323c91d_terseLabel_en-US" xlink:label="lab_bsac_AA8Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AA8</link:label>
    <link:label id="lab_bsac_AA8Member_label_en-US" xlink:label="lab_bsac_AA8Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AA8 [Member]</link:label>
    <link:label id="lab_bsac_AA8Member_documentation_en-US" xlink:label="lab_bsac_AA8Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">AA8</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AA8Member" xlink:href="bsac-20251231.xsd#bsac_AA8Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AA8Member" xlink:to="lab_bsac_AA8Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ContingentLoansAbstract_1e43aee3-b615-49ed-acf4-3ae6e3ce7a68_terseLabel_en-US" xlink:label="lab_bsac_ContingentLoansAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent loans</link:label>
    <link:label id="lab_bsac_ContingentLoansAbstract_label_en-US" xlink:label="lab_bsac_ContingentLoansAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Loans Abstract</link:label>
    <link:label id="lab_bsac_ContingentLoansAbstract_documentation_en-US" xlink:label="lab_bsac_ContingentLoansAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent Loans Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ContingentLoansAbstract" xlink:href="bsac-20251231.xsd#bsac_ContingentLoansAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ContingentLoansAbstract" xlink:to="lab_bsac_ContingentLoansAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExchangeRateAdjustments_4093631d-a9cc-4099-b4e9-f97e50565b54_negatedTerseLabel_en-US" xlink:label="lab_bsac_ExchangeRateAdjustments" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Exchange rate adjustments</link:label>
    <link:label id="lab_bsac_ExchangeRateAdjustments_label_en-US" xlink:label="lab_bsac_ExchangeRateAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exchange Rate Adjustments</link:label>
    <link:label id="lab_bsac_ExchangeRateAdjustments_documentation_en-US" xlink:label="lab_bsac_ExchangeRateAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of exchange rate adjustments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExchangeRateAdjustments" xlink:href="bsac-20251231.xsd#bsac_ExchangeRateAdjustments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExchangeRateAdjustments" xlink:to="lab_bsac_ExchangeRateAdjustments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RightsUnderRepurchaseAgreements_95d4984c-8caa-44e2-abb2-31c7ad0a4e90_terseLabel_en-US" xlink:label="lab_bsac_RightsUnderRepurchaseAgreements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rights under repurchase agreements</link:label>
    <link:label id="lab_bsac_RightsUnderRepurchaseAgreements_019c57e0-9d20-749c-acbf-4a431dd08c13_negatedTerseLabel_en-US" xlink:label="lab_bsac_RightsUnderRepurchaseAgreements" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Rights under repurchase agreements</link:label>
    <link:label id="lab_bsac_RightsUnderRepurchaseAgreements_label_en-US" xlink:label="lab_bsac_RightsUnderRepurchaseAgreements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rights Under Repurchase Agreements</link:label>
    <link:label id="lab_bsac_RightsUnderRepurchaseAgreements_documentation_en-US" xlink:label="lab_bsac_RightsUnderRepurchaseAgreements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rights Under Repurchase Agreements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RightsUnderRepurchaseAgreements" xlink:href="bsac-20251231.xsd#bsac_RightsUnderRepurchaseAgreements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RightsUnderRepurchaseAgreements" xlink:to="lab_bsac_RightsUnderRepurchaseAgreements" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesLineItems_c64b07c8-3179-40ee-8d34-166ff90efddd_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of the Maturities of Assets and Liabilities [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of the Maturities of Assets and Liabilities [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of the Maturities of Assets and Liabilities [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesLineItems" xlink:to="lab_bsac_ScheduleOfTheMaturitiesOfAssetsAndLiabilitiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialLiabilities_3a17a22a-3db7-4117-a47e-1682abdc3351_terseLabel_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial derivative contracts for accounting hedges</link:label>
    <link:label id="lab_ifrs-full_CurrentDerivativeFinancialLiabilities_label_en-US" xlink:label="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current derivative financial liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentDerivativeFinancialLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:to="lab_ifrs-full_CurrentDerivativeFinancialLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisposalsofAssets_ab33547b-f014-4efc-b2e1-a1a1810b2400_negatedTerseLabel_en-US" xlink:label="lab_bsac_DisposalsofAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Disposals</link:label>
    <link:label id="lab_bsac_DisposalsofAssets_label_en-US" xlink:label="lab_bsac_DisposalsofAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposalsof Assets</link:label>
    <link:label id="lab_bsac_DisposalsofAssets_documentation_en-US" xlink:label="lab_bsac_DisposalsofAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The decrease in property, plant and equipment resulting from disposals. [Refer: Property, plant and equipment]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisposalsofAssets" xlink:href="bsac-20251231.xsd#bsac_DisposalsofAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisposalsofAssets" xlink:to="lab_bsac_DisposalsofAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTableTextBlock_44b4d931-7e45-46b7-a292-c8783b104159_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Interbank Loans and Loans and Account Receivable from Customers</link:label>
    <link:label id="lab_bsac_DisclosureOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Interbank Loans And Loans And Account Receivable From Customers [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of loans and account receivable from customers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTableTextBlock" xlink:to="lab_bsac_DisclosureOfInterbankLoansAndLoansAndAccountReceivableFromCustomersTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BancoSantanderChileMember_5c555423-65ef-4674-b3b9-e14b64210b56_terseLabel_en-US" xlink:label="lab_bsac_BancoSantanderChileMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Banco Santander-Chile</link:label>
    <link:label id="lab_bsac_BancoSantanderChileMember_label_en-US" xlink:label="lab_bsac_BancoSantanderChileMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banco Santander Chile [Member]</link:label>
    <link:label id="lab_bsac_BancoSantanderChileMember_documentation_en-US" xlink:label="lab_bsac_BancoSantanderChileMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banco Santander Chile</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BancoSantanderChileMember" xlink:href="bsac-20251231.xsd#bsac_BancoSantanderChileMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BancoSantanderChileMember" xlink:to="lab_bsac_BancoSantanderChileMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MarketRiskNumberOfDataPointsSinceLastCalculation_a4f2130a-c807-4a72-a90e-e630ee2ca3f3_terseLabel_en-US" xlink:label="lab_bsac_MarketRiskNumberOfDataPointsSinceLastCalculation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of data points</link:label>
    <link:label id="lab_bsac_MarketRiskNumberOfDataPointsSinceLastCalculation_label_en-US" xlink:label="lab_bsac_MarketRiskNumberOfDataPointsSinceLastCalculation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Risk, Number Of Data Points Since Last Calculation</link:label>
    <link:label id="lab_bsac_MarketRiskNumberOfDataPointsSinceLastCalculation_documentation_en-US" xlink:label="lab_bsac_MarketRiskNumberOfDataPointsSinceLastCalculation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market Risk, Number Of Data Points Since Last Calculation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MarketRiskNumberOfDataPointsSinceLastCalculation" xlink:href="bsac-20251231.xsd#bsac_MarketRiskNumberOfDataPointsSinceLastCalculation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MarketRiskNumberOfDataPointsSinceLastCalculation" xlink:to="lab_bsac_MarketRiskNumberOfDataPointsSinceLastCalculation" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfFavorableScenarioOne_86d0760e-6bab-4130-a129-8dc5e2c3da01_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfFavorableScenarioOne" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Favorable scenario 1</link:label>
    <link:label id="lab_bsac_PercentageOfFavorableScenarioOne_label_en-US" xlink:label="lab_bsac_PercentageOfFavorableScenarioOne" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Favorable Scenario One</link:label>
    <link:label id="lab_bsac_PercentageOfFavorableScenarioOne_documentation_en-US" xlink:label="lab_bsac_PercentageOfFavorableScenarioOne" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Favorable Scenario One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfFavorableScenarioOne" xlink:href="bsac-20251231.xsd#bsac_PercentageOfFavorableScenarioOne"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfFavorableScenarioOne" xlink:to="lab_bsac_PercentageOfFavorableScenarioOne" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BasicEarningsPerShare_a78faf3c-9d2a-4c5f-a4de-550fe97e4ade_totalLabel_en-US" xlink:label="lab_bsac_BasicEarningsPerShare" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Basic earnings per share (in Pesos per share)</link:label>
    <link:label id="lab_bsac_BasicEarningsPerShare_label_en-US" xlink:label="lab_bsac_BasicEarningsPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basic Earnings Per Share</link:label>
    <link:label id="lab_bsac_BasicEarningsPerShare_documentation_en-US" xlink:label="lab_bsac_BasicEarningsPerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BasicEarningsPerShare" xlink:href="bsac-20251231.xsd#bsac_BasicEarningsPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BasicEarningsPerShare" xlink:to="lab_bsac_BasicEarningsPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory_ab6cba66-7eb2-45d5-818c-386d66d336ea_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Liabilities for Trading at Fair Value Through Profit or Loss</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for financial instruments at fair value through profit or loss [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset_592f5a99-5866-4f3f-9ffa-b708c78992d4_terseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Actuarial (gain) losses</link:label>
    <link:label id="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset_37ef363c-9a82-4392-b745-2bf621a57c74_verboseLabel_en-US" xlink:label="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Actuarial (gain)/ losses recorded in the period</link:label>
    <link:label id="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease (increase) in net defined benefit liability (asset) resulting from actuarial gains (losses) arising from changes in financial assumptions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AccumulatedAmortizationOtherChanges_1a7e84ea-d9f9-436c-b801-65e2da73b927_terseLabel_en-US" xlink:label="lab_bsac_AccumulatedAmortizationOtherChanges" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other changes</link:label>
    <link:label id="lab_bsac_AccumulatedAmortizationOtherChanges_label_en-US" xlink:label="lab_bsac_AccumulatedAmortizationOtherChanges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Amortization Other Changes</link:label>
    <link:label id="lab_bsac_AccumulatedAmortizationOtherChanges_documentation_en-US" xlink:label="lab_bsac_AccumulatedAmortizationOtherChanges" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accumulated amortization Increase (decrease) through other changes of intangible assets and goodwill.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AccumulatedAmortizationOtherChanges" xlink:href="bsac-20251231.xsd#bsac_AccumulatedAmortizationOtherChanges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AccumulatedAmortizationOtherChanges" xlink:to="lab_bsac_AccumulatedAmortizationOtherChanges" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMaturitiesOfSubordinatedBondTableTextBlock_8147d380-81f6-433f-aeff-caf8e4ecc35a_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMaturitiesOfSubordinatedBondTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Maturities of Subordinated Bond</link:label>
    <link:label id="lab_bsac_ScheduleOfMaturitiesOfSubordinatedBondTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfMaturitiesOfSubordinatedBondTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Maturities Of Subordinated Bond [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfMaturitiesOfSubordinatedBondTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMaturitiesOfSubordinatedBondTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of maturities of subordinated bond.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMaturitiesOfSubordinatedBondTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMaturitiesOfSubordinatedBondTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfMaturitiesOfSubordinatedBondTableTextBlock" xlink:to="lab_bsac_ScheduleOfMaturitiesOfSubordinatedBondTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClosingForeignExchangeRate_acc70949-43ea-4bdb-94c6-d0732ea48b03_terseLabel_en-US" xlink:label="lab_ifrs-full_ClosingForeignExchangeRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange rate</link:label>
    <link:label id="lab_ifrs-full_ClosingForeignExchangeRate_label_en-US" xlink:label="lab_ifrs-full_ClosingForeignExchangeRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Closing foreign exchange rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClosingForeignExchangeRate" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClosingForeignExchangeRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClosingForeignExchangeRate" xlink:to="lab_ifrs-full_ClosingForeignExchangeRate" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GrossCarryingValueMember_dd86736d-344a-454e-8263-7800d3be87a8_terseLabel_en-US" xlink:label="lab_bsac_GrossCarryingValueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross carrying Value</link:label>
    <link:label id="lab_bsac_GrossCarryingValueMember_71afb714-2964-4cf6-8dea-3ce25dbd674b_verboseLabel_en-US" xlink:label="lab_bsac_GrossCarryingValueMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Gross carrying amount</link:label>
    <link:label id="lab_bsac_GrossCarryingValueMember_label_en-US" xlink:label="lab_bsac_GrossCarryingValueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross Carrying Value [Member]</link:label>
    <link:label id="lab_bsac_GrossCarryingValueMember_documentation_en-US" xlink:label="lab_bsac_GrossCarryingValueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gross Carrying Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GrossCarryingValueMember" xlink:href="bsac-20251231.xsd#bsac_GrossCarryingValueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GrossCarryingValueMember" xlink:to="lab_bsac_GrossCarryingValueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CoreCapitalIndicator_cb3f6cdc-0c3d-4600-b210-f729ed398817_terseLabel_en-US" xlink:label="lab_bsac_CoreCapitalIndicator" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Core Capital indicator (T1_I18/T1_I11,b)</link:label>
    <link:label id="lab_bsac_CoreCapitalIndicator_label_en-US" xlink:label="lab_bsac_CoreCapitalIndicator" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Core Capital Indicator</link:label>
    <link:label id="lab_bsac_CoreCapitalIndicator_documentation_en-US" xlink:label="lab_bsac_CoreCapitalIndicator" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Basic capital indicator.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CoreCapitalIndicator" xlink:href="bsac-20251231.xsd#bsac_CoreCapitalIndicator"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CoreCapitalIndicator" xlink:to="lab_bsac_CoreCapitalIndicator" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SubtotalsCashAndDepositsInBanks_15c7c2a9-33e5-473c-bce0-fb9155f0a3fa_totalLabel_en-US" xlink:label="lab_bsac_SubtotalsCashAndDepositsInBanks" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Subtotals &#8211; Cash and deposits in banks</link:label>
    <link:label id="lab_bsac_SubtotalsCashAndDepositsInBanks_label_en-US" xlink:label="lab_bsac_SubtotalsCashAndDepositsInBanks" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subtotals Cash And Deposits In Banks</link:label>
    <link:label id="lab_bsac_SubtotalsCashAndDepositsInBanks_documentation_en-US" xlink:label="lab_bsac_SubtotalsCashAndDepositsInBanks" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Subtotals Cash And Deposits In Banks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubtotalsCashAndDepositsInBanks" xlink:href="bsac-20251231.xsd#bsac_SubtotalsCashAndDepositsInBanks"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubtotalsCashAndDepositsInBanks" xlink:to="lab_bsac_SubtotalsCashAndDepositsInBanks" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_B1Member_18da56be-78d2-4c0b-880c-26c7bad4290a_terseLabel_en-US" xlink:label="lab_bsac_B1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">B1</link:label>
    <link:label id="lab_bsac_B1Member_label_en-US" xlink:label="lab_bsac_B1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">B1 [Member]</link:label>
    <link:label id="lab_bsac_B1Member_documentation_en-US" xlink:label="lab_bsac_B1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">B1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_B1Member" xlink:href="bsac-20251231.xsd#bsac_B1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_B1Member" xlink:to="lab_bsac_B1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherLiabilitiesExplanatory_e0a3fd2c-e1b9-4ff8-a6a7-c7998d481bb5_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherLiabilitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherLiabilitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderMadridRrhhConvenioSocialMember_6b27c9b8-af18-4cc4-96e5-0656f17dbb2b_terseLabel_en-US" xlink:label="lab_bsac_SantanderMadridRrhhConvenioSocialMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Madrid Rrhh Convenio Social</link:label>
    <link:label id="lab_bsac_SantanderMadridRrhhConvenioSocialMember_label_en-US" xlink:label="lab_bsac_SantanderMadridRrhhConvenioSocialMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Madrid Rrhh Convenio Social [Member]</link:label>
    <link:label id="lab_bsac_SantanderMadridRrhhConvenioSocialMember_documentation_en-US" xlink:label="lab_bsac_SantanderMadridRrhhConvenioSocialMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Madrid Rrhh Convenio Social</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderMadridRrhhConvenioSocialMember" xlink:href="bsac-20251231.xsd#bsac_SantanderMadridRrhhConvenioSocialMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderMadridRrhhConvenioSocialMember" xlink:to="lab_bsac_SantanderMadridRrhhConvenioSocialMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OperationsWithDomesticBanksMember_019bf943-a82a-7692-ad69-a3148a10705d_terseLabel_en-US" xlink:label="lab_bsac_OperationsWithDomesticBanksMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactions with domestic banks</link:label>
    <link:label id="lab_bsac_OperationsWithDomesticBanksMember_label_en-US" xlink:label="lab_bsac_OperationsWithDomesticBanksMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operations With Domestic Banks [Member]</link:label>
    <link:label id="lab_bsac_OperationsWithDomesticBanksMember_documentation_en-US" xlink:label="lab_bsac_OperationsWithDomesticBanksMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operations With Domestic Banks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OperationsWithDomesticBanksMember" xlink:href="bsac-20251231.xsd#bsac_OperationsWithDomesticBanksMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OperationsWithDomesticBanksMember" xlink:to="lab_bsac_OperationsWithDomesticBanksMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxAssetsAbstract_05246f72-72d5-40ae-9680-1bdb62969d77_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax assets</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsAbstract_label_en-US" xlink:label="lab_bsac_DeferredTaxAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Abstract</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsAbstract_documentation_en-US" xlink:label="lab_bsac_DeferredTaxAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxAssetsAbstract" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxAssetsAbstract" xlink:to="lab_bsac_DeferredTaxAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RepurchaseOfSeniorBonds_d250768c-fde5-4aab-9134-05e991bf9f57_terseLabel_en-US" xlink:label="lab_bsac_RepurchaseOfSeniorBonds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount</link:label>
    <link:label id="lab_bsac_RepurchaseOfSeniorBonds_label_en-US" xlink:label="lab_bsac_RepurchaseOfSeniorBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase of Senior Bonds</link:label>
    <link:label id="lab_bsac_RepurchaseOfSeniorBonds_documentation_en-US" xlink:label="lab_bsac_RepurchaseOfSeniorBonds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Repurchase of senior bonds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RepurchaseOfSeniorBonds" xlink:href="bsac-20251231.xsd#bsac_RepurchaseOfSeniorBonds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RepurchaseOfSeniorBonds" xlink:to="lab_bsac_RepurchaseOfSeniorBonds" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterbankLoansMember_6e1e8d30-a37d-4bac-b149-5d42258f857c_terseLabel_en-US" xlink:label="lab_bsac_InterbankLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interbank loans</link:label>
    <link:label id="lab_bsac_InterbankLoansMember_label_en-US" xlink:label="lab_bsac_InterbankLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interbank Loans [Member]</link:label>
    <link:label id="lab_bsac_InterbankLoansMember_documentation_en-US" xlink:label="lab_bsac_InterbankLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interbank Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterbankLoansMember" xlink:href="bsac-20251231.xsd#bsac_InterbankLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterbankLoansMember" xlink:to="lab_bsac_InterbankLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary_3403afd9-696a-4ef8-9981-e4c863caee0c_verboseLabel_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Proportion of ownership interest in subsidiary</link:label>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary_8af3417f-efef-43ae-8714-311167cbbf07_totalLabel_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary_label_en-US" xlink:label="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion of ownership interest in subsidiary</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProportionOfOwnershipInterestInSubsidiary"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:to="lab_ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ComprehensiveIncomeAttributableToOwnersOfParentSubjectToEquity_8f5f4baa-5a74-492e-a04e-ab5190c5ec43_verboseLabel_en-US" xlink:label="lab_bsac_ComprehensiveIncomeAttributableToOwnersOfParentSubjectToEquity" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Shareholders of the Bank</link:label>
    <link:label id="lab_bsac_ComprehensiveIncomeAttributableToOwnersOfParentSubjectToEquity_label_en-US" xlink:label="lab_bsac_ComprehensiveIncomeAttributableToOwnersOfParentSubjectToEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income Attributable To Owners Of Parent Subject To Equity</link:label>
    <link:label id="lab_bsac_ComprehensiveIncomeAttributableToOwnersOfParentSubjectToEquity_documentation_en-US" xlink:label="lab_bsac_ComprehensiveIncomeAttributableToOwnersOfParentSubjectToEquity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of comprehensive income attributable to owners of the parent.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ComprehensiveIncomeAttributableToOwnersOfParentSubjectToEquity" xlink:href="bsac-20251231.xsd#bsac_ComprehensiveIncomeAttributableToOwnersOfParentSubjectToEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ComprehensiveIncomeAttributableToOwnersOfParentSubjectToEquity" xlink:to="lab_bsac_ComprehensiveIncomeAttributableToOwnersOfParentSubjectToEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOtherAssetsExplanatory_5113961e-2682-42fb-992b-a04ad8bedf3f_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Assets</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOtherAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOtherAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of other assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOtherAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOtherAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOtherAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOtherAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A11BSTD230822Member_019bf9b6-6524-7199-841c-590feeec34d2_terseLabel_en-US" xlink:label="lab_bsac_A11BSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">11BSTD230822</link:label>
    <link:label id="lab_bsac_A11BSTD230822Member_label_en-US" xlink:label="lab_bsac_A11BSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">11BSTD230822 [Member]</link:label>
    <link:label id="lab_bsac_A11BSTD230822Member_documentation_en-US" xlink:label="lab_bsac_A11BSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">11BSTD230822</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A11BSTD230822Member" xlink:href="bsac-20251231.xsd#bsac_A11BSTD230822Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A11BSTD230822Member" xlink:to="lab_bsac_A11BSTD230822Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments_6560387f-8e3b-4507-8d6e-16e3dac9d0ea_terseLabel_en-US" xlink:label="lab_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other adjustments</link:label>
    <link:label id="lab_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments_label_en-US" xlink:label="lab_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains Losses On Exchange Differences On Expected Credit Losses Allowances Contingent Liabilities And Loan Commitments</link:label>
    <link:label id="lab_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments_documentation_en-US" xlink:label="lab_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to foreign exchange adjustments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:href="bsac-20251231.xsd#bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:to="lab_bsac_GainsLossesOnExchangeDifferencesOnExpectedCreditLossesAllowancesContingentLiabilitiesAndLoanCommitments" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalDomain_6807e9a7-e648-4d72-8682-80bdb9feb295_terseLabel_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of share capital [domain]</link:label>
    <link:label id="lab_ifrs-full_ClassesOfShareCapitalDomain_label_en-US" xlink:label="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes of share capital [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ClassesOfShareCapitalDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ClassesOfShareCapitalDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ClassesOfShareCapitalDomain" xlink:to="lab_ifrs-full_ClassesOfShareCapitalDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DilutedEarningsPerShare_e188e416-e65c-4e5e-81c9-f25d490d9627_totalLabel_en-US" xlink:label="lab_bsac_DilutedEarningsPerShare" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Diluted earnings per share (in Pesos per share)</link:label>
    <link:label id="lab_bsac_DilutedEarningsPerShare_label_en-US" xlink:label="lab_bsac_DilutedEarningsPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Diluted Earnings Per Share</link:label>
    <link:label id="lab_bsac_DilutedEarningsPerShare_documentation_en-US" xlink:label="lab_bsac_DilutedEarningsPerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator), divided by the weighted average number of ordinary shares outstanding during the period (the denominator), both adjusted for the effects of all dilutive potential ordinary shares. [Refer: Ordinary shares.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DilutedEarningsPerShare" xlink:href="bsac-20251231.xsd#bsac_DilutedEarningsPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DilutedEarningsPerShare" xlink:to="lab_bsac_DilutedEarningsPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A6XBSTD230822Member_019bf9b5-18b9-7732-909c-7b2a92c63bca_terseLabel_en-US" xlink:label="lab_bsac_A6XBSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">6XBSTD230822</link:label>
    <link:label id="lab_bsac_A6XBSTD230822Member_label_en-US" xlink:label="lab_bsac_A6XBSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">6XBSTD230822 [Member]</link:label>
    <link:label id="lab_bsac_A6XBSTD230822Member_documentation_en-US" xlink:label="lab_bsac_A6XBSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">6XBSTD230822</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A6XBSTD230822Member" xlink:href="bsac-20251231.xsd#bsac_A6XBSTD230822Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A6XBSTD230822Member" xlink:to="lab_bsac_A6XBSTD230822Member" xlink:type="arc" order="1"/>
    <link:label id="lab_country_ES_019c5844-19e4-780e-aaec-d4677d5268bc_terseLabel_en-US" xlink:label="lab_country_ES" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Spain</link:label>
    <link:label id="lab_country_ES_label_en-US" xlink:label="lab_country_ES" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SPAIN</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_ES" xlink:href="https://xbrl.sec.gov/country/2024/country-2024.xsd#country_ES"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_ES" xlink:to="lab_country_ES" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EndorsableMortgageMutualLoansMember_f90819cd-3098-4748-8d93-7dcdd7727257_verboseLabel_en-US" xlink:label="lab_bsac_EndorsableMortgageMutualLoansMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Endorsable mortgage mutual loans</link:label>
    <link:label id="lab_bsac_EndorsableMortgageMutualLoansMember_label_en-US" xlink:label="lab_bsac_EndorsableMortgageMutualLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Endorsable Mortgage Mutual Loans [Member]</link:label>
    <link:label id="lab_bsac_EndorsableMortgageMutualLoansMember_documentation_en-US" xlink:label="lab_bsac_EndorsableMortgageMutualLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Endorsable Mortgage Mutual Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EndorsableMortgageMutualLoansMember" xlink:href="bsac-20251231.xsd#bsac_EndorsableMortgageMutualLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EndorsableMortgageMutualLoansMember" xlink:to="lab_bsac_EndorsableMortgageMutualLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesRecongisedThroughProfitAndLoss_350c31a2-1f11-48d2-b2f6-82cc49c26824_negatedTerseLabel_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesRecongisedThroughProfitAndLoss" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Recognised through profit or loss</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesRecongisedThroughProfitAndLoss_label_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesRecongisedThroughProfitAndLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities Recongised Through Profit And Loss</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesRecongisedThroughProfitAndLoss_documentation_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesRecongisedThroughProfitAndLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities Recongised Through Profit And Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxLiabilitiesRecongisedThroughProfitAndLoss" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxLiabilitiesRecongisedThroughProfitAndLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxLiabilitiesRecongisedThroughProfitAndLoss" xlink:to="lab_bsac_DeferredTaxLiabilitiesRecongisedThroughProfitAndLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfUnfavorableScenarioOne_fe2e57d5-dafc-4439-b1df-16b9c0c6ba0f_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfUnfavorableScenarioOne" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unfavorable scenario 1</link:label>
    <link:label id="lab_bsac_PercentageOfUnfavorableScenarioOne_label_en-US" xlink:label="lab_bsac_PercentageOfUnfavorableScenarioOne" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Unfavorable Scenario One</link:label>
    <link:label id="lab_bsac_PercentageOfUnfavorableScenarioOne_documentation_en-US" xlink:label="lab_bsac_PercentageOfUnfavorableScenarioOne" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Unfavorable Scenario One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfUnfavorableScenarioOne" xlink:href="bsac-20251231.xsd#bsac_PercentageOfUnfavorableScenarioOne"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfUnfavorableScenarioOne" xlink:to="lab_bsac_PercentageOfUnfavorableScenarioOne" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FeesAndCommissionsForSecuritiesTransactions_5d2ce5f7-c431-479a-9b59-80bfc661955f_negatedTerseLabel_en-US" xlink:label="lab_bsac_FeesAndCommissionsForSecuritiesTransactions" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Fees and commissions for securities transactions</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForSecuritiesTransactions_label_en-US" xlink:label="lab_bsac_FeesAndCommissionsForSecuritiesTransactions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees And Commissions For Securities Transactions</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForSecuritiesTransactions_documentation_en-US" xlink:label="lab_bsac_FeesAndCommissionsForSecuritiesTransactions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fees and commissions for securities transactions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FeesAndCommissionsForSecuritiesTransactions" xlink:href="bsac-20251231.xsd#bsac_FeesAndCommissionsForSecuritiesTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FeesAndCommissionsForSecuritiesTransactions" xlink:to="lab_bsac_FeesAndCommissionsForSecuritiesTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherTradingIncomeExpense_b5493408-7c7f-4440-8dac-1efa116dca5a_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherTradingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total income (expense) from financial operations</link:label>
    <link:label id="lab_ifrs-full_OtherTradingIncomeExpense_label_en-US" xlink:label="lab_ifrs-full_OtherTradingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other trading income (expense)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherTradingIncomeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherTradingIncomeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherTradingIncomeExpense" xlink:to="lab_ifrs-full_OtherTradingIncomeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ClassesOfFinancialAssetsPortfolioAxis_d480c2dc-07d2-4e2d-b875-5739c77966e5_terseLabel_en-US" xlink:label="lab_bsac_ClassesOfFinancialAssetsPortfolioAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Classes of financial assets portfolio [Axis]</link:label>
    <link:label id="lab_bsac_ClassesOfFinancialAssetsPortfolioAxis_label_en-US" xlink:label="lab_bsac_ClassesOfFinancialAssetsPortfolioAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Classes Of Financial Assets Portfolio [Axis]</link:label>
    <link:label id="lab_bsac_ClassesOfFinancialAssetsPortfolioAxis_documentation_en-US" xlink:label="lab_bsac_ClassesOfFinancialAssetsPortfolioAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Classes Of Financial Assets Portfolio</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ClassesOfFinancialAssetsPortfolioAxis" xlink:href="bsac-20251231.xsd#bsac_ClassesOfFinancialAssetsPortfolioAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ClassesOfFinancialAssetsPortfolioAxis" xlink:to="lab_bsac_ClassesOfFinancialAssetsPortfolioAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_UpToOneMonthMember_7170c804-51cb-402a-aa77-c3d7a1b8370a_terseLabel_en-US" xlink:label="lab_bsac_UpToOneMonthMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Up to 1 month</link:label>
    <link:label id="lab_bsac_UpToOneMonthMember_cd42fea8-2e1d-491a-afc3-cd53174aa659_verboseLabel_en-US" xlink:label="lab_bsac_UpToOneMonthMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Up to 1 month</link:label>
    <link:label id="lab_bsac_UpToOneMonthMember_label_en-US" xlink:label="lab_bsac_UpToOneMonthMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Up To One Month [Member]</link:label>
    <link:label id="lab_bsac_UpToOneMonthMember_documentation_en-US" xlink:label="lab_bsac_UpToOneMonthMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Up To One Month</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_UpToOneMonthMember" xlink:href="bsac-20251231.xsd#bsac_UpToOneMonthMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_UpToOneMonthMember" xlink:to="lab_bsac_UpToOneMonthMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PensionPlansAbstract_95edc658-5e43-4c7a-9b7a-151e9e365bc0_terseLabel_en-US" xlink:label="lab_bsac_PensionPlansAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension Plans [Abstract]</link:label>
    <link:label id="lab_bsac_PensionPlansAbstract_label_en-US" xlink:label="lab_bsac_PensionPlansAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Plans [Abstract]</link:label>
    <link:label id="lab_bsac_PensionPlansAbstract_documentation_en-US" xlink:label="lab_bsac_PensionPlansAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Pension Plans [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PensionPlansAbstract" xlink:href="bsac-20251231.xsd#bsac_PensionPlansAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PensionPlansAbstract" xlink:to="lab_bsac_PensionPlansAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxAssetsRightOfUseAssets_31b615a1-3a51-4f71-988a-6166e5d373e4_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxAssetsRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Right of use assets</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsRightOfUseAssets_label_en-US" xlink:label="lab_bsac_DeferredTaxAssetsRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Right Of Use Assets</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsRightOfUseAssets_documentation_en-US" xlink:label="lab_bsac_DeferredTaxAssetsRightOfUseAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of right of use assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxAssetsRightOfUseAssets" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxAssetsRightOfUseAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxAssetsRightOfUseAssets" xlink:to="lab_bsac_DeferredTaxAssetsRightOfUseAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ConsumerLoansMember_fe2b3d34-2b8e-4c79-b6bc-5affccc077ce_terseLabel_en-US" xlink:label="lab_ifrs-full_ConsumerLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consumer loans</link:label>
    <link:label id="lab_ifrs-full_ConsumerLoansMember_4e0f5eb3-9ee6-4a65-af72-af41dd4aeded_netLabel_en-US" xlink:label="lab_ifrs-full_ConsumerLoansMember" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Consumer Loans</link:label>
    <link:label id="lab_ifrs-full_ConsumerLoansMember_label_en-US" xlink:label="lab_ifrs-full_ConsumerLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans to consumers [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ConsumerLoansMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ConsumerLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ConsumerLoansMember" xlink:to="lab_ifrs-full_ConsumerLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_0531f100-8171-4c5d-a776-f612c75d5d3b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingencies and Commitments</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of commitments and contingent liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis_4fe5e918-7c46-448a-af9c-e1e8ec3b7e85_terseLabel_en-US" xlink:label="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Method of assessment of expected credit losses [axis]</link:label>
    <link:label id="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis_label_en-US" xlink:label="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Method of assessment of expected credit losses [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:to="lab_ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterbankLoan_ef430b23-b411-4563-9fb0-9fa310cbeebf_terseLabel_en-US" xlink:label="lab_bsac_InterbankLoan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interbank loans</link:label>
    <link:label id="lab_bsac_InterbankLoan_label_en-US" xlink:label="lab_bsac_InterbankLoan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interbank Loan</link:label>
    <link:label id="lab_bsac_InterbankLoan_documentation_en-US" xlink:label="lab_bsac_InterbankLoan" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The interbank lending market is a market in which banks lend funds to one another for a specified term.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterbankLoan" xlink:href="bsac-20251231.xsd#bsac_InterbankLoan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterbankLoan" xlink:to="lab_bsac_InterbankLoan" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionsOfLoansWithCreditLines_b1f548b2-0cd6-481e-8456-5b81daa0f3cf_terseLabel_en-US" xlink:label="lab_bsac_CommissionsOfLoansWithCreditLines" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commissions of loans with credit lines</link:label>
    <link:label id="lab_bsac_CommissionsOfLoansWithCreditLines_label_en-US" xlink:label="lab_bsac_CommissionsOfLoansWithCreditLines" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commissions Of Loans With Credit Lines</link:label>
    <link:label id="lab_bsac_CommissionsOfLoansWithCreditLines_documentation_en-US" xlink:label="lab_bsac_CommissionsOfLoansWithCreditLines" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of commissions of loans with credit lines.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionsOfLoansWithCreditLines" xlink:href="bsac-20251231.xsd#bsac_CommissionsOfLoansWithCreditLines"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionsOfLoansWithCreditLines" xlink:to="lab_bsac_CommissionsOfLoansWithCreditLines" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CurrentTaxLiabilitiesOffsetAmount_47302c82-dcf9-4a17-81f8-020b9f547bdc_terseLabel_en-US" xlink:label="lab_bsac_CurrentTaxLiabilitiesOffsetAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Off-setting</link:label>
    <link:label id="lab_bsac_CurrentTaxLiabilitiesOffsetAmount_label_en-US" xlink:label="lab_bsac_CurrentTaxLiabilitiesOffsetAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Tax Liabilities, Offset Amount</link:label>
    <link:label id="lab_bsac_CurrentTaxLiabilitiesOffsetAmount_documentation_en-US" xlink:label="lab_bsac_CurrentTaxLiabilitiesOffsetAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current Tax Liabilities, Offset Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CurrentTaxLiabilitiesOffsetAmount" xlink:href="bsac-20251231.xsd#bsac_CurrentTaxLiabilitiesOffsetAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CurrentTaxLiabilitiesOffsetAmount" xlink:to="lab_bsac_CurrentTaxLiabilitiesOffsetAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelConsultingServicesMonthlyMember_019bf9f2-605e-781d-9cd9-cdc72b8d3bf2_terseLabel_en-US" xlink:label="lab_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Zurich Santander Seguros Generales Chile S.A.| Chile| Associated| Channel Consulting Services| Monthly</link:label>
    <link:label id="lab_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelConsultingServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Zurich Santander Seguros Generales Chile S.A.| Chile| Associated| Channel Consulting Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelConsultingServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelConsultingServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Zurich Santander Seguros Generales Chile S.A.| Chile| Associated| Channel Consulting Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelConsultingServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelConsultingServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelConsultingServicesMonthlyMember" xlink:to="lab_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelConsultingServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PastDueStatusDomain_8ebc73c5-77bc-4ff7-ba47-ab6099c1e086_terseLabel_en-US" xlink:label="lab_ifrs-full_PastDueStatusDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Past due status [domain]</link:label>
    <link:label id="lab_ifrs-full_PastDueStatusDomain_label_en-US" xlink:label="lab_ifrs-full_PastDueStatusDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Past due status [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PastDueStatusDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_PastDueStatusDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PastDueStatusDomain" xlink:to="lab_ifrs-full_PastDueStatusDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterbankLoansAbstract0_748442b0-72f9-46de-8825-713b31752e4d_terseLabel_en-US" xlink:label="lab_bsac_InterbankLoansAbstract0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interbank loans</link:label>
    <link:label id="lab_bsac_InterbankLoansAbstract0_label_en-US" xlink:label="lab_bsac_InterbankLoansAbstract0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interbank Loans Abstract0</link:label>
    <link:label id="lab_bsac_InterbankLoansAbstract0_documentation_en-US" xlink:label="lab_bsac_InterbankLoansAbstract0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interbank Loans Abstract0</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterbankLoansAbstract0" xlink:href="bsac-20251231.xsd#bsac_InterbankLoansAbstract0"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterbankLoansAbstract0" xlink:to="lab_bsac_InterbankLoansAbstract0" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DutiesWhenTurningOverPeriod_c769f56c-e72e-4c6f-8607-5c6df0f8bb50_terseLabel_en-US" xlink:label="lab_bsac_DutiesWhenTurningOverPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Duties when turning over period</link:label>
    <link:label id="lab_bsac_DutiesWhenTurningOverPeriod_label_en-US" xlink:label="lab_bsac_DutiesWhenTurningOverPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Duties When Turning Over Period</link:label>
    <link:label id="lab_bsac_DutiesWhenTurningOverPeriod_documentation_en-US" xlink:label="lab_bsac_DutiesWhenTurningOverPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Duties when turning over period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DutiesWhenTurningOverPeriod" xlink:href="bsac-20251231.xsd#bsac_DutiesWhenTurningOverPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DutiesWhenTurningOverPeriod" xlink:to="lab_bsac_DutiesWhenTurningOverPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProportionOfOwnershipInterestsHeldByNoncontrollingInterest_428048da-1b7e-4061-9885-f9c82a5a3940_terseLabel_en-US" xlink:label="lab_bsac_ProportionOfOwnershipInterestsHeldByNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling %</link:label>
    <link:label id="lab_bsac_ProportionOfOwnershipInterestsHeldByNoncontrollingInterest_label_en-US" xlink:label="lab_bsac_ProportionOfOwnershipInterestsHeldByNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion Of Ownership Interests Held By Noncontrolling Interest</link:label>
    <link:label id="lab_bsac_ProportionOfOwnershipInterestsHeldByNoncontrollingInterest_documentation_en-US" xlink:label="lab_bsac_ProportionOfOwnershipInterestsHeldByNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proportion Of Ownership Interests Held By Noncontrolling Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProportionOfOwnershipInterestsHeldByNoncontrollingInterest" xlink:href="bsac-20251231.xsd#bsac_ProportionOfOwnershipInterestsHeldByNoncontrollingInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProportionOfOwnershipInterestsHeldByNoncontrollingInterest" xlink:to="lab_bsac_ProportionOfOwnershipInterestsHeldByNoncontrollingInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OperationWithForeignBanksMember_1cfc90b6-7b7a-4453-96e0-af173fd40977_terseLabel_en-US" xlink:label="lab_bsac_OperationWithForeignBanksMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transactions with foreign banks</link:label>
    <link:label id="lab_bsac_OperationWithForeignBanksMember_label_en-US" xlink:label="lab_bsac_OperationWithForeignBanksMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operation With Foreign Banks [Member]</link:label>
    <link:label id="lab_bsac_OperationWithForeignBanksMember_documentation_en-US" xlink:label="lab_bsac_OperationWithForeignBanksMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operation With Foreign Banks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OperationWithForeignBanksMember" xlink:href="bsac-20251231.xsd#bsac_OperationWithForeignBanksMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OperationWithForeignBanksMember" xlink:to="lab_bsac_OperationWithForeignBanksMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities_0d82c79b-f434-4358-a6d6-8e85dfbcb6f8_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Included in statements of income</link:label>
    <link:label id="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities_label_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:to="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ReportingSegmentsDetailsTable_b93001ea-e649-459f-b2e6-5bce983707d2_terseLabel_en-US" xlink:label="lab_bsac_ReportingSegmentsDetailsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reporting Segments [Table]</link:label>
    <link:label id="lab_bsac_ReportingSegmentsDetailsTable_label_en-US" xlink:label="lab_bsac_ReportingSegmentsDetailsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reporting Segments (Details) [Table]</link:label>
    <link:label id="lab_bsac_ReportingSegmentsDetailsTable_documentation_en-US" xlink:label="lab_bsac_ReportingSegmentsDetailsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reporting Segments (Details) [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ReportingSegmentsDetailsTable" xlink:href="bsac-20251231.xsd#bsac_ReportingSegmentsDetailsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ReportingSegmentsDetailsTable" xlink:to="lab_bsac_ReportingSegmentsDetailsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsLineItems_809e5928-1ee3-410c-80ec-ba4e51e61834_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Information of the Subsidiaries Included in the Consolidation of the Bank that Possess Non-Controlling Interests [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Information of the Subsidiaries Included in the Consolidation of the Bank that Possess Non-Controlling Interests [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Information of the Subsidiaries Included in the Consolidation of the Bank that Possess Non-Controlling Interests [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsLineItems" xlink:to="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShareFromDiscontinuedOperations_46825624-0792-4203-ba25-81b9490911c5_terseLabel_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShareFromDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted earnings per share from discontinued operations (in Pesos per share)</link:label>
    <link:label id="lab_ifrs-full_DilutedEarningsLossPerShareFromDiscontinuedOperations_label_en-US" xlink:label="lab_ifrs-full_DilutedEarningsLossPerShareFromDiscontinuedOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Diluted earnings (loss) per share from discontinued operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DilutedEarningsLossPerShareFromDiscontinuedOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DilutedEarningsLossPerShareFromDiscontinuedOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DilutedEarningsLossPerShareFromDiscontinuedOperations" xlink:to="lab_ifrs-full_DilutedEarningsLossPerShareFromDiscontinuedOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfShareholderCompositionTable_b06646b0-d850-48af-b029-a6a151eaa16e_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfShareholderCompositionTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Shareholder Composition [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfShareholderCompositionTable_label_en-US" xlink:label="lab_bsac_ScheduleOfShareholderCompositionTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Shareholder Composition [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfShareholderCompositionTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfShareholderCompositionTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Shareholder Composition [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfShareholderCompositionTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfShareholderCompositionTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfShareholderCompositionTable" xlink:to="lab_bsac_ScheduleOfShareholderCompositionTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedProfits_a3df4ae1-14a7-4697-aef2-a7f4b2f1ddbf_terseLabel_en-US" xlink:label="lab_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedProfits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of debt financial instruments at FVOCI generating realized profits</link:label>
    <link:label id="lab_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedProfits_label_en-US" xlink:label="lab_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedProfits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale Of Available For Sale Investments Generating Realized Profits</link:label>
    <link:label id="lab_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedProfits_documentation_en-US" xlink:label="lab_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedProfits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for generating realized profit from sale of available for sale investment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedProfits" xlink:href="bsac-20251231.xsd#bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedProfits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedProfits" xlink:to="lab_bsac_SaleOfAvailableForSaleInvestmentsGeneratingRealizedProfits" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncreaseDecreaseServiceCost_566a3a3c-9fac-46c1-80e9-ed1706210066_terseLabel_en-US" xlink:label="lab_bsac_IncreaseDecreaseServiceCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Service cost</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseServiceCost_label_en-US" xlink:label="lab_bsac_IncreaseDecreaseServiceCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease Service Cost</link:label>
    <link:label id="lab_bsac_IncreaseDecreaseServiceCost_documentation_en-US" xlink:label="lab_bsac_IncreaseDecreaseServiceCost" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of increase decrease service cost.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncreaseDecreaseServiceCost" xlink:href="bsac-20251231.xsd#bsac_IncreaseDecreaseServiceCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncreaseDecreaseServiceCost" xlink:to="lab_bsac_IncreaseDecreaseServiceCost" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsTable_66f3741b-ff3d-4472-b211-fd729da43642_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Information of the Subsidiaries Included in the Consolidation of the Bank that Possess Non-Controlling Interests [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Information of the Subsidiaries Included in the Consolidation of the Bank that Possess Non-Controlling Interests [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Information of the Subsidiaries Included in the Consolidation of the Bank that Possess Non-Controlling Interests [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsTable" xlink:to="lab_bsac_ScheduleOfFinancialInformationOfTheSubsidiariesIncludedInTheConsolidationOfTheBankThatPossessNonControllingInterestsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory_425c47cf-f1f4-4936-b836-4809a589cf4b_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Instruments Classified As Level 3</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of significant unobservable inputs used in fair value measurement of assets [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FishingSectorMember_ab845af9-dbd6-4f55-963c-2219e06dc6d3_terseLabel_en-US" xlink:label="lab_bsac_FishingSectorMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fishing</link:label>
    <link:label id="lab_bsac_FishingSectorMember_label_en-US" xlink:label="lab_bsac_FishingSectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fishing Sector [Member]</link:label>
    <link:label id="lab_bsac_FishingSectorMember_documentation_en-US" xlink:label="lab_bsac_FishingSectorMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for fishing sector grouped under commercial loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FishingSectorMember" xlink:href="bsac-20251231.xsd#bsac_FishingSectorMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FishingSectorMember" xlink:to="lab_bsac_FishingSectorMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A2XBSTD220425Member_019bf9b9-34d2-7233-a210-b01e82ca65eb_terseLabel_en-US" xlink:label="lab_bsac_A2XBSTD220425Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2XBSTD220425</link:label>
    <link:label id="lab_bsac_A2XBSTD220425Member_label_en-US" xlink:label="lab_bsac_A2XBSTD220425Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2XBSTD220425 [Member]</link:label>
    <link:label id="lab_bsac_A2XBSTD220425Member_documentation_en-US" xlink:label="lab_bsac_A2XBSTD220425Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2XBSTD220425</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A2XBSTD220425Member" xlink:href="bsac-20251231.xsd#bsac_A2XBSTD220425Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A2XBSTD220425Member" xlink:to="lab_bsac_A2XBSTD220425Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_VoluntaryAdditionalProvisionsChargedAsAdditionalCapitalTier1AT1_fbe63d7e-4bd3-4077-ba4f-c267b841483b_terseLabel_en-US" xlink:label="lab_bsac_VoluntaryAdditionalProvisionsChargedAsAdditionalCapitalTier1AT1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Voluntary (additional) provisions charged as additional capital tier 1 (AT1)</link:label>
    <link:label id="lab_bsac_VoluntaryAdditionalProvisionsChargedAsAdditionalCapitalTier1AT1_label_en-US" xlink:label="lab_bsac_VoluntaryAdditionalProvisionsChargedAsAdditionalCapitalTier1AT1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Voluntary Additional Provisions Charged As Additional Capital Tier1 AT1</link:label>
    <link:label id="lab_bsac_VoluntaryAdditionalProvisionsChargedAsAdditionalCapitalTier1AT1_documentation_en-US" xlink:label="lab_bsac_VoluntaryAdditionalProvisionsChargedAsAdditionalCapitalTier1AT1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of voluntary (additional) provisions charged as additional capital tier.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_VoluntaryAdditionalProvisionsChargedAsAdditionalCapitalTier1AT1" xlink:href="bsac-20251231.xsd#bsac_VoluntaryAdditionalProvisionsChargedAsAdditionalCapitalTier1AT1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_VoluntaryAdditionalProvisionsChargedAsAdditionalCapitalTier1AT1" xlink:to="lab_bsac_VoluntaryAdditionalProvisionsChargedAsAdditionalCapitalTier1AT1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InstallmentConsumerLoansMember_d9dddb70-ba04-4a62-aed4-4d542fc2f066_verboseLabel_en-US" xlink:label="lab_bsac_InstallmentConsumerLoansMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Installment consumer loans</link:label>
    <link:label id="lab_bsac_InstallmentConsumerLoansMember_label_en-US" xlink:label="lab_bsac_InstallmentConsumerLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Installment Consumer Loans [Member]</link:label>
    <link:label id="lab_bsac_InstallmentConsumerLoansMember_documentation_en-US" xlink:label="lab_bsac_InstallmentConsumerLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Installment Consumer Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InstallmentConsumerLoansMember" xlink:href="bsac-20251231.xsd#bsac_InstallmentConsumerLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InstallmentConsumerLoansMember" xlink:to="lab_bsac_InstallmentConsumerLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesOther_25a6ecd7-ded1-4100-9beb-b59fadc1678e_terseLabel_en-US" xlink:label="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesOther" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other adjustments</link:label>
    <link:label id="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesOther_label_en-US" xlink:label="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments In Subsidiaries Joint Ventures And Associates Other</link:label>
    <link:label id="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesOther_documentation_en-US" xlink:label="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesOther" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of investments in subsidiaries, joint ventures and associates other.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesOther" xlink:href="bsac-20251231.xsd#bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesOther"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesOther" xlink:to="lab_bsac_InvestmentsInSubsidiariesJointVenturesAndAssociatesOther" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxAssetsProvisionForExpenses_a3e5ad50-7d76-420f-aaf9-6a062191642d_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxAssetsProvisionForExpenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for expenses</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsProvisionForExpenses_label_en-US" xlink:label="lab_bsac_DeferredTaxAssetsProvisionForExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Provision For Expenses</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsProvisionForExpenses_documentation_en-US" xlink:label="lab_bsac_DeferredTaxAssetsProvisionForExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amounts of provision for expenses subject to deferred tax assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxAssetsProvisionForExpenses" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxAssetsProvisionForExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxAssetsProvisionForExpenses" xlink:to="lab_bsac_DeferredTaxAssetsProvisionForExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankingRegulationPillarIIChargeCapitalAdequacyMinimum_da671b8c-99c2-4af0-9a4e-d913d31c9c17_terseLabel_en-US" xlink:label="lab_bsac_BankingRegulationPillarIIChargeCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pillar II charge</link:label>
    <link:label id="lab_bsac_BankingRegulationPillarIIChargeCapitalAdequacyMinimum_label_en-US" xlink:label="lab_bsac_BankingRegulationPillarIIChargeCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banking Regulation, Pillar I I Charge, Capital Adequacy, Minimum</link:label>
    <link:label id="lab_bsac_BankingRegulationPillarIIChargeCapitalAdequacyMinimum_documentation_en-US" xlink:label="lab_bsac_BankingRegulationPillarIIChargeCapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banking Regulation, Pillar I I Charge, Capital Adequacy, Minimum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankingRegulationPillarIIChargeCapitalAdequacyMinimum" xlink:href="bsac-20251231.xsd#bsac_BankingRegulationPillarIIChargeCapitalAdequacyMinimum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankingRegulationPillarIIChargeCapitalAdequacyMinimum" xlink:to="lab_bsac_BankingRegulationPillarIIChargeCapitalAdequacyMinimum" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderConsumerChileMember_2d00b403-6aa5-4328-b53f-ded11e5897e7_terseLabel_en-US" xlink:label="lab_bsac_SantanderConsumerChileMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Consumer Chile S.A.</link:label>
    <link:label id="lab_bsac_SantanderConsumerChileMember_label_en-US" xlink:label="lab_bsac_SantanderConsumerChileMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Consumer Chile [Member]</link:label>
    <link:label id="lab_bsac_SantanderConsumerChileMember_documentation_en-US" xlink:label="lab_bsac_SantanderConsumerChileMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Consumer Chile</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderConsumerChileMember" xlink:href="bsac-20251231.xsd#bsac_SantanderConsumerChileMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderConsumerChileMember" xlink:to="lab_bsac_SantanderConsumerChileMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BrokerageFeeIncome_60fac140-74d1-45ae-afd0-7bdfb73fb0d9_terseLabel_en-US" xlink:label="lab_ifrs-full_BrokerageFeeIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Insurance brokerage fees</link:label>
    <link:label id="lab_ifrs-full_BrokerageFeeIncome_label_en-US" xlink:label="lab_ifrs-full_BrokerageFeeIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Brokerage fee income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BrokerageFeeIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BrokerageFeeIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BrokerageFeeIncome" xlink:to="lab_ifrs-full_BrokerageFeeIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransfersFromStage3ToStage1_37ccec0c-f121-4763-b74a-ae777dab9df7_terseLabel_en-US" xlink:label="lab_bsac_TransfersFromStage3ToStage1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 3 to stage 1</link:label>
    <link:label id="lab_bsac_TransfersFromStage3ToStage1_label_en-US" xlink:label="lab_bsac_TransfersFromStage3ToStage1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers From Stage3 To Stage1</link:label>
    <link:label id="lab_bsac_TransfersFromStage3ToStage1_documentation_en-US" xlink:label="lab_bsac_TransfersFromStage3ToStage1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in financial assets resulting from transfers. [Refer: Financial assets]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransfersFromStage3ToStage1" xlink:href="bsac-20251231.xsd#bsac_TransfersFromStage3ToStage1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransfersFromStage3ToStage1" xlink:to="lab_bsac_TransfersFromStage3ToStage1" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InprogressOperations_724247a1-0313-49e9-b896-328afcaa7011_terseLabel_en-US" xlink:label="lab_bsac_InprogressOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">In-progress operations</link:label>
    <link:label id="lab_bsac_InprogressOperations_label_en-US" xlink:label="lab_bsac_InprogressOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inprogress Operations</link:label>
    <link:label id="lab_bsac_InprogressOperations_documentation_en-US" xlink:label="lab_bsac_InprogressOperations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">In operations process is simply defined as the organizational method for getting a task accomplished. It consists of four distinct primary activities, which are planning, preparing, executing, and assessing.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InprogressOperations" xlink:href="bsac-20251231.xsd#bsac_InprogressOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InprogressOperations" xlink:to="lab_bsac_InprogressOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransfersFromStage3ToStage2_978fcc64-72a5-4a6a-aa46-97231b05fbaf_terseLabel_en-US" xlink:label="lab_bsac_TransfersFromStage3ToStage2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers from stage 3 to stage 2</link:label>
    <link:label id="lab_bsac_TransfersFromStage3ToStage2_label_en-US" xlink:label="lab_bsac_TransfersFromStage3ToStage2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers From Stage3 To Stage2</link:label>
    <link:label id="lab_bsac_TransfersFromStage3ToStage2_documentation_en-US" xlink:label="lab_bsac_TransfersFromStage3ToStage2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) in financial assets resulting from transfers. [Refer: Financial assets]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransfersFromStage3ToStage2" xlink:href="bsac-20251231.xsd#bsac_TransfersFromStage3ToStage2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransfersFromStage3ToStage2" xlink:to="lab_bsac_TransfersFromStage3ToStage2" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain_96360b52-e48b-453b-a455-ab5bbe162e97_terseLabel_en-US" xlink:label="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Continuing involvement in derecognised financial assets by type of instrument [domain]</link:label>
    <link:label id="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain_label_en-US" xlink:label="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Continuing involvement in derecognised financial assets by type of instrument [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain" xlink:to="lab_ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfInstrumentDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommercialLoansMember_e72ce488-4f10-41de-834a-a63b0a2c753a_terseLabel_en-US" xlink:label="lab_bsac_CommercialLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial loans</link:label>
    <link:label id="lab_bsac_CommercialLoansMember_2bcce237-bf01-4ed5-b1ce-856dc3c2f584_verboseLabel_en-US" xlink:label="lab_bsac_CommercialLoansMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Commercial loans</link:label>
    <link:label id="lab_bsac_CommercialLoansMember_9253139a-8af2-459a-ab3d-d41e1693fdbf_netLabel_en-US" xlink:label="lab_bsac_CommercialLoansMember" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Commercial loans</link:label>
    <link:label id="lab_bsac_CommercialLoansMember_label_en-US" xlink:label="lab_bsac_CommercialLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial Loans [Member]</link:label>
    <link:label id="lab_bsac_CommercialLoansMember_documentation_en-US" xlink:label="lab_bsac_CommercialLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for loans that are made for Commercial purposes.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommercialLoansMember" xlink:href="bsac-20251231.xsd#bsac_CommercialLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommercialLoansMember" xlink:to="lab_bsac_CommercialLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SubtotalOfTaxesPayrollTaxesAndContribution_b877775d-0a52-4aae-b065-84ee46b72eb9_negatedTotalLabel_en-US" xlink:label="lab_bsac_SubtotalOfTaxesPayrollTaxesAndContribution" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Subtotal</link:label>
    <link:label id="lab_bsac_SubtotalOfTaxesPayrollTaxesAndContribution_label_en-US" xlink:label="lab_bsac_SubtotalOfTaxesPayrollTaxesAndContribution" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subtotal Of Taxes Payroll Taxes And Contribution</link:label>
    <link:label id="lab_bsac_SubtotalOfTaxesPayrollTaxesAndContribution_documentation_en-US" xlink:label="lab_bsac_SubtotalOfTaxesPayrollTaxesAndContribution" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of subtotal of taxes payroll taxes and contribution.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SubtotalOfTaxesPayrollTaxesAndContribution" xlink:href="bsac-20251231.xsd#bsac_SubtotalOfTaxesPayrollTaxesAndContribution"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SubtotalOfTaxesPayrollTaxesAndContribution" xlink:to="lab_bsac_SubtotalOfTaxesPayrollTaxesAndContribution" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DecreaseThroughWriteoffFinancialAssets_0c1a9c83-05d1-493d-96cf-f8bb84da27eb_negatedLabel_en-US" xlink:label="lab_ifrs-full_DecreaseThroughWriteoffFinancialAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Write-off</link:label>
    <link:label id="lab_ifrs-full_DecreaseThroughWriteoffFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_DecreaseThroughWriteoffFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease through write-off, financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DecreaseThroughWriteoffFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DecreaseThroughWriteoffFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DecreaseThroughWriteoffFinancialAssets" xlink:to="lab_ifrs-full_DecreaseThroughWriteoffFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DueAfterTwoYearButWithinThreeYearsMember_00ea361e-7c37-4d34-b722-18e0e024f688_terseLabel_en-US" xlink:label="lab_bsac_DueAfterTwoYearButWithinThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due after 2 year but within 3 years</link:label>
    <link:label id="lab_bsac_DueAfterTwoYearButWithinThreeYearsMember_label_en-US" xlink:label="lab_bsac_DueAfterTwoYearButWithinThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due After Two Year But Within Three Years [Member]</link:label>
    <link:label id="lab_bsac_DueAfterTwoYearButWithinThreeYearsMember_documentation_en-US" xlink:label="lab_bsac_DueAfterTwoYearButWithinThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Due After Two Year But Within Three Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DueAfterTwoYearButWithinThreeYearsMember" xlink:href="bsac-20251231.xsd#bsac_DueAfterTwoYearButWithinThreeYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DueAfterTwoYearButWithinThreeYearsMember" xlink:to="lab_bsac_DueAfterTwoYearButWithinThreeYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ThirtyOneToNinetyDaysDueMember_164b0e28-4da8-4f80-9c29-39219b3c1f8c_terseLabel_en-US" xlink:label="lab_bsac_ThirtyOneToNinetyDaysDueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">30-89 days past due</link:label>
    <link:label id="lab_bsac_ThirtyOneToNinetyDaysDueMember_label_en-US" xlink:label="lab_bsac_ThirtyOneToNinetyDaysDueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Thirty One To Ninety Days Due [Member]</link:label>
    <link:label id="lab_bsac_ThirtyOneToNinetyDaysDueMember_documentation_en-US" xlink:label="lab_bsac_ThirtyOneToNinetyDaysDueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Thirty One To Ninety Days Due</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ThirtyOneToNinetyDaysDueMember" xlink:href="bsac-20251231.xsd#bsac_ThirtyOneToNinetyDaysDueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ThirtyOneToNinetyDaysDueMember" xlink:to="lab_bsac_ThirtyOneToNinetyDaysDueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OthersAccumulatedAmortization_7c594241-b7da-4f0e-9626-8b31f83e556e_terseLabel_en-US" xlink:label="lab_bsac_OthersAccumulatedAmortization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</link:label>
    <link:label id="lab_bsac_OthersAccumulatedAmortization_label_en-US" xlink:label="lab_bsac_OthersAccumulatedAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Others Accumulated Amortization</link:label>
    <link:label id="lab_bsac_OthersAccumulatedAmortization_documentation_en-US" xlink:label="lab_bsac_OthersAccumulatedAmortization" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of other accumulated amortization.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OthersAccumulatedAmortization" xlink:href="bsac-20251231.xsd#bsac_OthersAccumulatedAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OthersAccumulatedAmortization" xlink:to="lab_bsac_OthersAccumulatedAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities_08321d4c-44be-4225-bedc-b34f2d19f0bb_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collateral</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets pledged as collateral for liabilities or contingent liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities" xlink:to="lab_ifrs-full_FinancialAssetsPledgedAsCollateralForLiabilitiesOrContingentLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PersonnelSalariesandExpensesLineItems_d794cd3b-f6fa-4a7f-a4c0-35a8f384722a_terseLabel_en-US" xlink:label="lab_bsac_PersonnelSalariesandExpensesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Personnel Salaries and Expenses [Abstract]</link:label>
    <link:label id="lab_bsac_PersonnelSalariesandExpensesLineItems_label_en-US" xlink:label="lab_bsac_PersonnelSalariesandExpensesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Personnel Salaries and Expenses [Abstract]</link:label>
    <link:label id="lab_bsac_PersonnelSalariesandExpensesLineItems_documentation_en-US" xlink:label="lab_bsac_PersonnelSalariesandExpensesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Personnel Salaries and Expenses [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PersonnelSalariesandExpensesLineItems" xlink:href="bsac-20251231.xsd#bsac_PersonnelSalariesandExpensesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PersonnelSalariesandExpensesLineItems" xlink:to="lab_bsac_PersonnelSalariesandExpensesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_96106c07-2b9b-4712-9eb0-159f120bdad3_totalLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total cash flow used in financing activities</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from (used in) financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="lab_ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GuaranteesMember_ea1fec45-8a75-4575-8018-a2cd934387ed_terseLabel_en-US" xlink:label="lab_ifrs-full_GuaranteesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantees</link:label>
    <link:label id="lab_ifrs-full_GuaranteesMember_label_en-US" xlink:label="lab_ifrs-full_GuaranteesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantees [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GuaranteesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GuaranteesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GuaranteesMember" xlink:to="lab_ifrs-full_GuaranteesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ConsumerLeasingMember_89a1fe31-568b-40a4-b06e-5a671a85447b_terseLabel_en-US" xlink:label="lab_bsac_ConsumerLeasingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consumer leasing</link:label>
    <link:label id="lab_bsac_ConsumerLeasingMember_label_en-US" xlink:label="lab_bsac_ConsumerLeasingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consumer Leasing [Member]</link:label>
    <link:label id="lab_bsac_ConsumerLeasingMember_documentation_en-US" xlink:label="lab_bsac_ConsumerLeasingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consumer Leasing</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ConsumerLeasingMember" xlink:href="bsac-20251231.xsd#bsac_ConsumerLeasingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ConsumerLeasingMember" xlink:to="lab_bsac_ConsumerLeasingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TradeAndOtherPayables_5845a5df-7001-4a32-b5d3-94d8a8cf230e_terseLabel_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts and notes payable</link:label>
    <link:label id="lab_ifrs-full_TradeAndOtherPayables_label_en-US" xlink:label="lab_ifrs-full_TradeAndOtherPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade and other payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TradeAndOtherPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TradeAndOtherPayables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TradeAndOtherPayables" xlink:to="lab_ifrs-full_TradeAndOtherPayables" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DueAfterThreeYearButWithinFourYearsMember_16673361-f079-4d2b-bbc9-c08da8c60e88_verboseLabel_en-US" xlink:label="lab_bsac_DueAfterThreeYearButWithinFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Due after 3 year but within 4 years</link:label>
    <link:label id="lab_bsac_DueAfterThreeYearButWithinFourYearsMember_label_en-US" xlink:label="lab_bsac_DueAfterThreeYearButWithinFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due After Three Year But Within Four Years [Member]</link:label>
    <link:label id="lab_bsac_DueAfterThreeYearButWithinFourYearsMember_documentation_en-US" xlink:label="lab_bsac_DueAfterThreeYearButWithinFourYearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Due After Three Year But Within Four Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DueAfterThreeYearButWithinFourYearsMember" xlink:href="bsac-20251231.xsd#bsac_DueAfterThreeYearButWithinFourYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DueAfterThreeYearButWithinFourYearsMember" xlink:to="lab_bsac_DueAfterThreeYearButWithinFourYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInRightofuseAssetsAbstract_a5fb0463-7d45-43fb-8236-e127f4d2ab3c_terseLabel_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInRightofuseAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in right-of-use assets [abstract]</link:label>
    <link:label id="lab_ifrs-full_ReconciliationOfChangesInRightofuseAssetsAbstract_label_en-US" xlink:label="lab_ifrs-full_ReconciliationOfChangesInRightofuseAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation of changes in right-of-use assets [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ReconciliationOfChangesInRightofuseAssetsAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ReconciliationOfChangesInRightofuseAssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ReconciliationOfChangesInRightofuseAssetsAbstract" xlink:to="lab_ifrs-full_ReconciliationOfChangesInRightofuseAssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransfersAbstract7_3162cb9d-d9cd-48c2-8afb-df5eabba24c8_terseLabel_en-US" xlink:label="lab_bsac_TransfersAbstract7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers:</link:label>
    <link:label id="lab_bsac_TransfersAbstract7_label_en-US" xlink:label="lab_bsac_TransfersAbstract7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers Abstract7</link:label>
    <link:label id="lab_bsac_TransfersAbstract7_documentation_en-US" xlink:label="lab_bsac_TransfersAbstract7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transfers Abstract7</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransfersAbstract7" xlink:href="bsac-20251231.xsd#bsac_TransfersAbstract7"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransfersAbstract7" xlink:to="lab_bsac_TransfersAbstract7" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FeeAndCommissionIncomeAbstract_02af8b09-82d3-4ebc-a459-584631f1a1d0_terseLabel_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fee and commission income</link:label>
    <link:label id="lab_ifrs-full_FeeAndCommissionIncomeAbstract_label_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fee and commission income [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FeeAndCommissionIncomeAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FeeAndCommissionIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FeeAndCommissionIncomeAbstract" xlink:to="lab_ifrs-full_FeeAndCommissionIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets_ad8a8872-5366-4dce-9696-f47a6bce9fce_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Included in statements of income</link:label>
    <link:label id="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets_label_en-US" xlink:label="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:to="lab_ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutMortgageFinanceBondsExplanatoryTableTextBlock_c4752cb3-085e-4d75-8961-9aea5281c707_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutMortgageFinanceBondsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Mortgage Finance Bonds</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutMortgageFinanceBondsExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutMortgageFinanceBondsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Mortgage Finance Bonds Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutMortgageFinanceBondsExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutMortgageFinanceBondsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about mortgage finance bonds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutMortgageFinanceBondsExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutMortgageFinanceBondsExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutMortgageFinanceBondsExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutMortgageFinanceBondsExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelUsageServicesMonthlyMember_019b9f64-bbc0-7fce-b66b-3859fce034f2_terseLabel_en-US" xlink:label="lab_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelUsageServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Zurich Santander Seguros Generales Chile S.A.| Chile| Associated| Channel Usage Services| Monthly</link:label>
    <link:label id="lab_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelUsageServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelUsageServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Zurich Santander Seguros Generales Chile S.A.| Chile| Associated| Channel Usage Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelUsageServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelUsageServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Zurich Santander Seguros Generales Chile S.A.| Chile| Associated| Channel Usage Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelUsageServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelUsageServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelUsageServicesMonthlyMember" xlink:to="lab_bsac_ZurichSantanderSegurosGeneralesChileS.A.ChileAssociatedChannelUsageServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LawsuitsProvision_546ffff3-f494-42d0-9e0b-c1c740221a05_negatedLabel_en-US" xlink:label="lab_bsac_LawsuitsProvision" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Lawsuits provision</link:label>
    <link:label id="lab_bsac_LawsuitsProvision_label_en-US" xlink:label="lab_bsac_LawsuitsProvision" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lawsuits Provision</link:label>
    <link:label id="lab_bsac_LawsuitsProvision_documentation_en-US" xlink:label="lab_bsac_LawsuitsProvision" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lawsuits provision.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LawsuitsProvision" xlink:href="bsac-20251231.xsd#bsac_LawsuitsProvision"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LawsuitsProvision" xlink:to="lab_bsac_LawsuitsProvision" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherTaxes_4ab3ab82-4f69-45fe-9d30-f3e78a85f9f5_negatedTerseLabel_en-US" xlink:label="lab_bsac_OtherTaxes" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other taxes</link:label>
    <link:label id="lab_bsac_OtherTaxes_label_en-US" xlink:label="lab_bsac_OtherTaxes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Taxes</link:label>
    <link:label id="lab_bsac_OtherTaxes_documentation_en-US" xlink:label="lab_bsac_OtherTaxes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of tax expense classified as other.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherTaxes" xlink:href="bsac-20251231.xsd#bsac_OtherTaxes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherTaxes" xlink:to="lab_bsac_OtherTaxes" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TransfersAbstract3_a2dc091b-9412-448e-bcc3-a0cbe5eed4c7_terseLabel_en-US" xlink:label="lab_bsac_TransfersAbstract3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers:</link:label>
    <link:label id="lab_bsac_TransfersAbstract3_label_en-US" xlink:label="lab_bsac_TransfersAbstract3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers Abstract3</link:label>
    <link:label id="lab_bsac_TransfersAbstract3_documentation_en-US" xlink:label="lab_bsac_TransfersAbstract3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Transfers Abstract3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TransfersAbstract3" xlink:href="bsac-20251231.xsd#bsac_TransfersAbstract3"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TransfersAbstract3" xlink:to="lab_bsac_TransfersAbstract3" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EquityAbstract_784a55ed-e48a-460d-b444-242425fbe118_terseLabel_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">EQUITY</link:label>
    <link:label id="lab_ifrs-full_EquityAbstract_label_en-US" xlink:label="lab_ifrs-full_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EquityAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_EquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EquityAbstract" xlink:to="lab_ifrs-full_EquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesLineItems_fbac01df-fe32-4220-a251-dd2ace89d930_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Income (Expense) Recorded Due to Transactions With Related Parties [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Income (Expense) Recorded Due to Transactions With Related Parties [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Income (Expense) Recorded Due to Transactions With Related Parties [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesLineItems" xlink:to="lab_bsac_ScheduleOfIncomeExpenseRecordedDueToTransactionsWithRelatedPartiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DemandMember_3dcd261c-8e3e-4d87-8f0e-3660bdf089e2_terseLabel_en-US" xlink:label="lab_bsac_DemandMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Demand</link:label>
    <link:label id="lab_bsac_DemandMember_label_en-US" xlink:label="lab_bsac_DemandMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Demand [Member]</link:label>
    <link:label id="lab_bsac_DemandMember_documentation_en-US" xlink:label="lab_bsac_DemandMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Demand</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DemandMember" xlink:href="bsac-20251231.xsd#bsac_DemandMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DemandMember" xlink:to="lab_bsac_DemandMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutPlacementOfSeniorBondsExplanatoryTableTextBlock_6bffd6ee-797b-480b-a974-a1e017342278_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutPlacementOfSeniorBondsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Placement of Senior Bonds</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutPlacementOfSeniorBondsExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutPlacementOfSeniorBondsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Placement Of Senior Bonds Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutPlacementOfSeniorBondsExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutPlacementOfSeniorBondsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about placement of senior bonds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutPlacementOfSeniorBondsExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutPlacementOfSeniorBondsExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutPlacementOfSeniorBondsExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutPlacementOfSeniorBondsExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MortgageLoanMember_ace7ef40-5169-4ddd-971c-a6da28e4fe16_terseLabel_en-US" xlink:label="lab_bsac_MortgageLoanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage loans</link:label>
    <link:label id="lab_bsac_MortgageLoanMember_label_en-US" xlink:label="lab_bsac_MortgageLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loan [Member]</link:label>
    <link:label id="lab_bsac_MortgageLoanMember_documentation_en-US" xlink:label="lab_bsac_MortgageLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage Loan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MortgageLoanMember" xlink:href="bsac-20251231.xsd#bsac_MortgageLoanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MortgageLoanMember" xlink:to="lab_bsac_MortgageLoanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember_ec7ee561-edb7-45ca-8817-29b59356b7f1_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Between 1 and 3 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember_374c4323-002e-4389-9f23-6cba69c41be3_verboseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Between 1 and 3 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than one year and not later than three years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember" xlink:to="lab_ifrs-full_LaterThanOneYearAndNotLaterThanThreeYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProportionOfOwnershipInterestsInAssociate_766ad4c8-3b4c-4920-993e-5b806f9822d1_terseLabel_en-US" xlink:label="lab_bsac_ProportionOfOwnershipInterestsInAssociate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of ownership share</link:label>
    <link:label id="lab_bsac_ProportionOfOwnershipInterestsInAssociate_label_en-US" xlink:label="lab_bsac_ProportionOfOwnershipInterestsInAssociate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proportion Of Ownership Interests In Associate</link:label>
    <link:label id="lab_bsac_ProportionOfOwnershipInterestsInAssociate_documentation_en-US" xlink:label="lab_bsac_ProportionOfOwnershipInterestsInAssociate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The proportion of ownership interest in an associate attributable to the entity. [Refer: Associates.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProportionOfOwnershipInterestsInAssociate" xlink:href="bsac-20251231.xsd#bsac_ProportionOfOwnershipInterestsInAssociate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProportionOfOwnershipInterestsInAssociate" xlink:to="lab_bsac_ProportionOfOwnershipInterestsInAssociate" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MarketRiskShortTermFinancialManagementPortfolioAbstract_553deab9-dc59-481c-9bc0-b526176940f1_terseLabel_en-US" xlink:label="lab_bsac_MarketRiskShortTermFinancialManagementPortfolioAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Market risk &#8211; short-term financial management portfolio</link:label>
    <link:label id="lab_bsac_MarketRiskShortTermFinancialManagementPortfolioAbstract_label_en-US" xlink:label="lab_bsac_MarketRiskShortTermFinancialManagementPortfolioAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Risk Short Term Financial Management Portfolio Abstract</link:label>
    <link:label id="lab_bsac_MarketRiskShortTermFinancialManagementPortfolioAbstract_documentation_en-US" xlink:label="lab_bsac_MarketRiskShortTermFinancialManagementPortfolioAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market Risk Short Term Financial Management Portfolio Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MarketRiskShortTermFinancialManagementPortfolioAbstract" xlink:href="bsac-20251231.xsd#bsac_MarketRiskShortTermFinancialManagementPortfolioAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MarketRiskShortTermFinancialManagementPortfolioAbstract" xlink:to="lab_bsac_MarketRiskShortTermFinancialManagementPortfolioAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialServicesMember_b5b30670-f4d6-4805-aeb2-e73f5c4d5c18_terseLabel_en-US" xlink:label="lab_bsac_FinancialServicesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial services</link:label>
    <link:label id="lab_bsac_FinancialServicesMember_label_en-US" xlink:label="lab_bsac_FinancialServicesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Services [Member]</link:label>
    <link:label id="lab_bsac_FinancialServicesMember_documentation_en-US" xlink:label="lab_bsac_FinancialServicesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for financial services sector grouped under commercial loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialServicesMember" xlink:href="bsac-20251231.xsd#bsac_FinancialServicesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialServicesMember" xlink:to="lab_bsac_FinancialServicesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionOnAssetsReceivedInLieuOfPaymentOrAwarded_4822f5a8-e8ab-4083-89d5-a9f537420e73_negatedTerseLabel_en-US" xlink:label="lab_bsac_ProvisionOnAssetsReceivedInLieuOfPaymentOrAwarded" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Provision on assets received in lieu of payment or awarded</link:label>
    <link:label id="lab_bsac_ProvisionOnAssetsReceivedInLieuOfPaymentOrAwarded_label_en-US" xlink:label="lab_bsac_ProvisionOnAssetsReceivedInLieuOfPaymentOrAwarded" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision On Assets Received In Lieu Of Payment Or Awarded</link:label>
    <link:label id="lab_bsac_ProvisionOnAssetsReceivedInLieuOfPaymentOrAwarded_documentation_en-US" xlink:label="lab_bsac_ProvisionOnAssetsReceivedInLieuOfPaymentOrAwarded" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision on assets received in lieu of payment or awarded.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionOnAssetsReceivedInLieuOfPaymentOrAwarded" xlink:href="bsac-20251231.xsd#bsac_ProvisionOnAssetsReceivedInLieuOfPaymentOrAwarded"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionOnAssetsReceivedInLieuOfPaymentOrAwarded" xlink:to="lab_bsac_ProvisionOnAssetsReceivedInLieuOfPaymentOrAwarded" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding_284b161c-b8d5-49ac-b0e8-3f4a8a15eef7_terseLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance of outstanding shares (in shares)</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in number of shares outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" xlink:to="lab_ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_d56433e8-65fc-41fb-98c7-6bb4852e6229_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_label_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany" xlink:to="lab_dei_EntityEmergingGrowthCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChangesDueToChangesInCreditRisk_1acec39c-5971-4c15-ac27-12be54f31117_terseLabel_en-US" xlink:label="lab_bsac_ChangesDueToChangesInCreditRisk" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changes due to changes in credit risk</link:label>
    <link:label id="lab_bsac_ChangesDueToChangesInCreditRisk_label_en-US" xlink:label="lab_bsac_ChangesDueToChangesInCreditRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changes Due To Changes In Credit Risk</link:label>
    <link:label id="lab_bsac_ChangesDueToChangesInCreditRisk_documentation_en-US" xlink:label="lab_bsac_ChangesDueToChangesInCreditRisk" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Changes Due To Changes In Credit Risk</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChangesDueToChangesInCreditRisk" xlink:href="bsac-20251231.xsd#bsac_ChangesDueToChangesInCreditRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChangesDueToChangesInCreditRisk" xlink:to="lab_bsac_ChangesDueToChangesInCreditRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderGestinDeRecaudacinYCobranzasLtdaMember_43fba8cf-03ee-4113-986d-0f30cc165cc1_terseLabel_en-US" xlink:label="lab_bsac_SantanderGestinDeRecaudacinYCobranzasLtdaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Gesti&#243;n de Recaudaci&#243;n y Cobranzas Ltda.</link:label>
    <link:label id="lab_bsac_SantanderGestinDeRecaudacinYCobranzasLtdaMember_label_en-US" xlink:label="lab_bsac_SantanderGestinDeRecaudacinYCobranzasLtdaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Gestin De Recaudacin Y Cobranzas Ltda [Member]</link:label>
    <link:label id="lab_bsac_SantanderGestinDeRecaudacinYCobranzasLtdaMember_documentation_en-US" xlink:label="lab_bsac_SantanderGestinDeRecaudacinYCobranzasLtdaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Gestin De Recaudacin YCobranzas Ltda</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderGestinDeRecaudacinYCobranzasLtdaMember" xlink:href="bsac-20251231.xsd#bsac_SantanderGestinDeRecaudacinYCobranzasLtdaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderGestinDeRecaudacinYCobranzasLtdaMember" xlink:to="lab_bsac_SantanderGestinDeRecaudacinYCobranzasLtdaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MiddleMarketMember_da8fd1ac-c892-48dc-aed9-12e762f6be6e_netLabel_en-US" xlink:label="lab_bsac_MiddleMarketMember" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Middle Market</link:label>
    <link:label id="lab_bsac_MiddleMarketMember_448c5c9b-fe69-46c4-9242-1797412f59c6_verboseLabel_en-US" xlink:label="lab_bsac_MiddleMarketMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Middle-market</link:label>
    <link:label id="lab_bsac_MiddleMarketMember_label_en-US" xlink:label="lab_bsac_MiddleMarketMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Middle Market [Member]</link:label>
    <link:label id="lab_bsac_MiddleMarketMember_documentation_en-US" xlink:label="lab_bsac_MiddleMarketMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Middle Market</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MiddleMarketMember" xlink:href="bsac-20251231.xsd#bsac_MiddleMarketMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MiddleMarketMember" xlink:to="lab_bsac_MiddleMarketMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_BusinessContactMember_40471bc3-a377-4b2a-9dc1-4a276c8b877e_terseLabel_en-US" xlink:label="lab_dei_BusinessContactMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Contact</link:label>
    <link:label id="lab_dei_BusinessContactMember_label_en-US" xlink:label="lab_dei_BusinessContactMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Contact [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_BusinessContactMember" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_BusinessContactMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_BusinessContactMember" xlink:to="lab_dei_BusinessContactMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ShorttermExposureOfFinancialManagementPortfolio_7bf8269a-23d0-4839-8543-7336b404807e_terseLabel_en-US" xlink:label="lab_bsac_ShorttermExposureOfFinancialManagementPortfolio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term exposure of financial management portfolio</link:label>
    <link:label id="lab_bsac_ShorttermExposureOfFinancialManagementPortfolio_label_en-US" xlink:label="lab_bsac_ShorttermExposureOfFinancialManagementPortfolio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shortterm Exposure Of Financial Management Portfolio</link:label>
    <link:label id="lab_bsac_ShorttermExposureOfFinancialManagementPortfolio_documentation_en-US" xlink:label="lab_bsac_ShorttermExposureOfFinancialManagementPortfolio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of short-term exposure of financial management portfolio.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ShorttermExposureOfFinancialManagementPortfolio" xlink:href="bsac-20251231.xsd#bsac_ShorttermExposureOfFinancialManagementPortfolio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ShorttermExposureOfFinancialManagementPortfolio" xlink:to="lab_bsac_ShorttermExposureOfFinancialManagementPortfolio" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AllocatedToDividends_b5eb9403-9fa1-433a-95e2-3b91d618cc02_terseLabel_en-US" xlink:label="lab_bsac_AllocatedToDividends" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allocated to dividends</link:label>
    <link:label id="lab_bsac_AllocatedToDividends_label_en-US" xlink:label="lab_bsac_AllocatedToDividends" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allocated To Dividends</link:label>
    <link:label id="lab_bsac_AllocatedToDividends_documentation_en-US" xlink:label="lab_bsac_AllocatedToDividends" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about allocated to dividends.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AllocatedToDividends" xlink:href="bsac-20251231.xsd#bsac_AllocatedToDividends"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AllocatedToDividends" xlink:to="lab_bsac_AllocatedToDividends" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CCashFlowFromFinancingActivitiesAbstract_d8354663-a19c-4a32-b203-6b64e1dfeefb_terseLabel_en-US" xlink:label="lab_bsac_CCashFlowFromFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">C - CASH FLOW FROM FINANCING ACTIVITIES:</link:label>
    <link:label id="lab_bsac_CCashFlowFromFinancingActivitiesAbstract_label_en-US" xlink:label="lab_bsac_CCashFlowFromFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CCash Flow From Financing Activities Abstract</link:label>
    <link:label id="lab_bsac_CCashFlowFromFinancingActivitiesAbstract_documentation_en-US" xlink:label="lab_bsac_CCashFlowFromFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">CCash Flow From Financing Activities Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CCashFlowFromFinancingActivitiesAbstract" xlink:href="bsac-20251231.xsd#bsac_CCashFlowFromFinancingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CCashFlowFromFinancingActivitiesAbstract" xlink:to="lab_bsac_CCashFlowFromFinancingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFinancialDebtInstrumentsTable_54925189-0622-4d21-87cd-049c77e7c8af_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFinancialDebtInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Financial Debt Instruments [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialDebtInstrumentsTable_label_en-US" xlink:label="lab_bsac_ScheduleOfFinancialDebtInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Financial Debt Instruments [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFinancialDebtInstrumentsTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFinancialDebtInstrumentsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Financial Debt Instruments [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFinancialDebtInstrumentsTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFinancialDebtInstrumentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFinancialDebtInstrumentsTable" xlink:to="lab_bsac_ScheduleOfFinancialDebtInstrumentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ImpairmentOfIntangibles_f1fb7e06-83e1-4aac-88f6-2d1be72d0670_negatedTerseLabel_en-US" xlink:label="lab_bsac_ImpairmentOfIntangibles" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Impairment of intangibles</link:label>
    <link:label id="lab_bsac_ImpairmentOfIntangibles_label_en-US" xlink:label="lab_bsac_ImpairmentOfIntangibles" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment Of Intangibles</link:label>
    <link:label id="lab_bsac_ImpairmentOfIntangibles_documentation_en-US" xlink:label="lab_bsac_ImpairmentOfIntangibles" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about impairment of intangibles.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ImpairmentOfIntangibles" xlink:href="bsac-20251231.xsd#bsac_ImpairmentOfIntangibles"/>
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    <link:label id="lab_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsLineItems_c325f890-6aa9-437d-b5ab-d2ed562d7908_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Changes in the Value of Intangible Assets [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Changes in the Value of Intangible Assets [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Changes in the Value of Intangible Assets [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsLineItems" xlink:to="lab_bsac_ScheduleOfChangesInTheValueOfIntangibleAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfHoldsSecuritiesTableTextBlock_c7f89c87-4476-4821-bae3-4cab835f81ff_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfHoldsSecuritiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Bank Holds Securities</link:label>
    <link:label id="lab_bsac_ScheduleOfHoldsSecuritiesTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfHoldsSecuritiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Holds Securities [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfHoldsSecuritiesTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfHoldsSecuritiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule Of Holds Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfHoldsSecuritiesTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfHoldsSecuritiesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfHoldsSecuritiesTableTextBlock" xlink:to="lab_bsac_ScheduleOfHoldsSecuritiesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_5af83bcd-bc9a-4b40-814c-44c82f079a78_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Income (Expense) from Financial Operations</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of finance income (cost) [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfFinanceIncomeExpenseExplanatory"/>
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    <link:label id="lab_bsac_ScheduleOfLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesLineItems_26a59912-7078-411c-8953-ea7c2c9cf33d_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loans and Accounts Receivable as Well as Contingent Loans that Correspond to Related Entities [Line Items]</link:label>
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    <link:label id="lab_bsac_ScheduleOfLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Loans and Accounts Receivable as Well as Contingent Loans that Correspond to Related Entities [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfLoansAndAccountsReceivableAsWellAsContingentLoansThatCorrespondToRelatedEntitiesLineItems"/>
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    <link:label id="lab_bsac_DeferredTaxAssetsInterestsAndAdjustments_7513152a-7c11-4b86-aafd-70bb7d85b8e8_terseLabel_en-US" xlink:label="lab_bsac_DeferredTaxAssetsInterestsAndAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interests and adjustments</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsInterestsAndAdjustments_label_en-US" xlink:label="lab_bsac_DeferredTaxAssetsInterestsAndAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Interests And Adjustments</link:label>
    <link:label id="lab_bsac_DeferredTaxAssetsInterestsAndAdjustments_documentation_en-US" xlink:label="lab_bsac_DeferredTaxAssetsInterestsAndAdjustments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amounts of interests and adjustments subject to deferred tax assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxAssetsInterestsAndAdjustments" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxAssetsInterestsAndAdjustments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxAssetsInterestsAndAdjustments" xlink:to="lab_bsac_DeferredTaxAssetsInterestsAndAdjustments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_B3Member_9092bae7-fcdc-46de-a0ab-56dadac9a99f_terseLabel_en-US" xlink:label="lab_bsac_B3Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">B3</link:label>
    <link:label id="lab_bsac_B3Member_label_en-US" xlink:label="lab_bsac_B3Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">B3 [Member]</link:label>
    <link:label id="lab_bsac_B3Member_documentation_en-US" xlink:label="lab_bsac_B3Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">B3</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_B3Member" xlink:href="bsac-20251231.xsd#bsac_B3Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_B3Member" xlink:to="lab_bsac_B3Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExternalCleaningCafeteriaCustodyStorageServices_5535374d-f991-43d9-9b39-11d1522a1164_negatedTerseLabel_en-US" xlink:label="lab_bsac_ExternalCleaningCafeteriaCustodyStorageServices" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">External cleaning, cafeteria, custody, storage services</link:label>
    <link:label id="lab_bsac_ExternalCleaningCafeteriaCustodyStorageServices_label_en-US" xlink:label="lab_bsac_ExternalCleaningCafeteriaCustodyStorageServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">External Cleaning, Cafeteria, Custody, Storage Services</link:label>
    <link:label id="lab_bsac_ExternalCleaningCafeteriaCustodyStorageServices_documentation_en-US" xlink:label="lab_bsac_ExternalCleaningCafeteriaCustodyStorageServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">the amount of external cleaning, casino, custody, storage services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExternalCleaningCafeteriaCustodyStorageServices" xlink:href="bsac-20251231.xsd#bsac_ExternalCleaningCafeteriaCustodyStorageServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExternalCleaningCafeteriaCustodyStorageServices" xlink:to="lab_bsac_ExternalCleaningCafeteriaCustodyStorageServices" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherManufacturingIndustriesMember_d771b9dc-9e3d-41a7-b1a7-ffb9ce32207a_terseLabel_en-US" xlink:label="lab_bsac_OtherManufacturingIndustriesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other manufacturing industries</link:label>
    <link:label id="lab_bsac_OtherManufacturingIndustriesMember_label_en-US" xlink:label="lab_bsac_OtherManufacturingIndustriesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Manufacturing Industries [Member]</link:label>
    <link:label id="lab_bsac_OtherManufacturingIndustriesMember_documentation_en-US" xlink:label="lab_bsac_OtherManufacturingIndustriesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Manufacturing Industries</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherManufacturingIndustriesMember" xlink:href="bsac-20251231.xsd#bsac_OtherManufacturingIndustriesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherManufacturingIndustriesMember" xlink:to="lab_bsac_OtherManufacturingIndustriesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialInstitutionNameAxis_fbd7d72e-3c67-436a-8416-0c489b562cae_terseLabel_en-US" xlink:label="lab_bsac_FinancialInstitutionNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Institution Name [Axis]</link:label>
    <link:label id="lab_bsac_FinancialInstitutionNameAxis_label_en-US" xlink:label="lab_bsac_FinancialInstitutionNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Institution Name [Axis]</link:label>
    <link:label id="lab_bsac_FinancialInstitutionNameAxis_documentation_en-US" xlink:label="lab_bsac_FinancialInstitutionNameAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Institution Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialInstitutionNameAxis" xlink:href="bsac-20251231.xsd#bsac_FinancialInstitutionNameAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialInstitutionNameAxis" xlink:to="lab_bsac_FinancialInstitutionNameAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherPayables_2abeb699-bfdf-4651-af23-a4d60580fb22_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherPayables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Account payable MCh$</link:label>
    <link:label id="lab_ifrs-full_OtherPayables_label_en-US" xlink:label="lab_ifrs-full_OtherPayables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other payables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherPayables" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherPayables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherPayables" xlink:to="lab_ifrs-full_OtherPayables" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfFairValueHedgesTable_933a1124-e3ac-4d6b-995a-0c962d00f30b_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfFairValueHedgesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value Hedges [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueHedgesTable_label_en-US" xlink:label="lab_bsac_ScheduleOfFairValueHedgesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value Hedges [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfFairValueHedgesTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfFairValueHedgesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value Hedges [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfFairValueHedgesTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfFairValueHedgesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfFairValueHedgesTable" xlink:to="lab_bsac_ScheduleOfFairValueHedgesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherChileanGovernmentFinancialInstrumentsMember_4f9b80f2-5858-4b87-8149-85c8fd69cf94_terseLabel_en-US" xlink:label="lab_bsac_OtherChileanGovernmentFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Chilean government financial instruments</link:label>
    <link:label id="lab_bsac_OtherChileanGovernmentFinancialInstrumentsMember_label_en-US" xlink:label="lab_bsac_OtherChileanGovernmentFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Chilean Government Financial Instruments [Member]</link:label>
    <link:label id="lab_bsac_OtherChileanGovernmentFinancialInstrumentsMember_documentation_en-US" xlink:label="lab_bsac_OtherChileanGovernmentFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Chilean Government Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherChileanGovernmentFinancialInstrumentsMember" xlink:href="bsac-20251231.xsd#bsac_OtherChileanGovernmentFinancialInstrumentsMember"/>
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    <link:label id="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofFutureMinimumLeaseCashInflowsUnderNoncancellableOperatingLeasesLineItems_22c6e256-5382-4ddc-a2f6-9af2efe55561_terseLabel_en-US" xlink:label="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofFutureMinimumLeaseCashInflowsUnderNoncancellableOperatingLeasesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Future Minimum Lease Cash Inflows Under Non-cancellable Operating Leases [Line Items]</link:label>
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    <link:label id="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofFutureMinimumLeaseCashInflowsUnderNoncancellableOperatingLeasesLineItems_documentation_en-US" xlink:label="lab_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofFutureMinimumLeaseCashInflowsUnderNoncancellableOperatingLeasesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Future Minimum Lease Cash Inflows Under Non-cancellable Operating Leases [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofFutureMinimumLeaseCashInflowsUnderNoncancellableOperatingLeasesLineItems" xlink:href="bsac-20251231.xsd#bsac_RightofUseAssetsandObligationforLeaseContractsDetailsScheduleofFutureMinimumLeaseCashInflowsUnderNoncancellableOperatingLeasesLineItems"/>
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    <link:label id="lab_bsac_DebtInstrumentsAtFVOCIMember_08f959eb-596a-46c7-ac1f-f2cc8e714b4d_verboseLabel_en-US" xlink:label="lab_bsac_DebtInstrumentsAtFVOCIMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt instruments at FVOCI</link:label>
    <link:label id="lab_bsac_DebtInstrumentsAtFVOCIMember_23afec15-2aec-40fa-8c8c-53228a911700_terseLabel_en-US" xlink:label="lab_bsac_DebtInstrumentsAtFVOCIMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt financial instrument</link:label>
    <link:label id="lab_bsac_DebtInstrumentsAtFVOCIMember_label_en-US" xlink:label="lab_bsac_DebtInstrumentsAtFVOCIMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instruments At FVOCI [Member]</link:label>
    <link:label id="lab_bsac_DebtInstrumentsAtFVOCIMember_documentation_en-US" xlink:label="lab_bsac_DebtInstrumentsAtFVOCIMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instruments At FVOCI</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtInstrumentsAtFVOCIMember" xlink:href="bsac-20251231.xsd#bsac_DebtInstrumentsAtFVOCIMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtInstrumentsAtFVOCIMember" xlink:to="lab_bsac_DebtInstrumentsAtFVOCIMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HedgingInstrumentMember_56286522-a570-4954-b791-0412892ff757_terseLabel_en-US" xlink:label="lab_bsac_HedgingInstrumentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging instrument</link:label>
    <link:label id="lab_bsac_HedgingInstrumentMember_label_en-US" xlink:label="lab_bsac_HedgingInstrumentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging Instrument [Member]</link:label>
    <link:label id="lab_bsac_HedgingInstrumentMember_documentation_en-US" xlink:label="lab_bsac_HedgingInstrumentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hedging Instrument</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HedgingInstrumentMember" xlink:href="bsac-20251231.xsd#bsac_HedgingInstrumentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HedgingInstrumentMember" xlink:to="lab_bsac_HedgingInstrumentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutCashFlowForPostemploymentBenefitsExplanatoryTableTextBlock_1a67f1aa-84a9-49d6-bc5d-7350ec6278eb_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutCashFlowForPostemploymentBenefitsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Cash Flow for Post-Employment Benefits</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutCashFlowForPostemploymentBenefitsExplanatoryTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutCashFlowForPostemploymentBenefitsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Detailed Information About Cash Flow For Postemployment Benefits Explanatory [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfDetailedInformationAboutCashFlowForPostemploymentBenefitsExplanatoryTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfDetailedInformationAboutCashFlowForPostemploymentBenefitsExplanatoryTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of detailed information about cash flow for post employment benefits.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfDetailedInformationAboutCashFlowForPostemploymentBenefitsExplanatoryTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfDetailedInformationAboutCashFlowForPostemploymentBenefitsExplanatoryTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfDetailedInformationAboutCashFlowForPostemploymentBenefitsExplanatoryTableTextBlock" xlink:to="lab_bsac_DisclosureOfDetailedInformationAboutCashFlowForPostemploymentBenefitsExplanatoryTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ChangesInOtherProvisions_882cf3e0-267c-4b91-9fb0-ecd11840c8ef_verboseLabel_en-US" xlink:label="lab_ifrs-full_ChangesInOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Application of provisions</link:label>
    <link:label id="lab_ifrs-full_ChangesInOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_ChangesInOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ChangesInOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ChangesInOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ChangesInOtherProvisions" xlink:to="lab_ifrs-full_ChangesInOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OneTimeCapital_ed7a3c7b-b9ec-46b9-93ad-6e31be7286d5_terseLabel_en-US" xlink:label="lab_bsac_OneTimeCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">1 time capital</link:label>
    <link:label id="lab_bsac_OneTimeCapital_label_en-US" xlink:label="lab_bsac_OneTimeCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">One Time Capital</link:label>
    <link:label id="lab_bsac_OneTimeCapital_documentation_en-US" xlink:label="lab_bsac_OneTimeCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of capital.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OneTimeCapital" xlink:href="bsac-20251231.xsd#bsac_OneTimeCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OneTimeCapital" xlink:to="lab_bsac_OneTimeCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems_09a30d99-9312-41b6-8b61-630bcfa50db6_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of attribution of expenses by nature to their function [line items]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of attribution of expenses by nature to their function [line items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:to="lab_ifrs-full_DisclosureOfAttributionOfExpensesByNatureToTheirFunctionLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CashFlowPayableLiabilitiesAndExpenses_ac139f4b-677d-4945-a66a-7b45575e92c9_terseLabel_en-US" xlink:label="lab_bsac_CashFlowPayableLiabilitiesAndExpenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flow payable (liabilities) and expenses</link:label>
    <link:label id="lab_bsac_CashFlowPayableLiabilitiesAndExpenses_label_en-US" xlink:label="lab_bsac_CashFlowPayableLiabilitiesAndExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Flow Payable Liabilities And Expenses</link:label>
    <link:label id="lab_bsac_CashFlowPayableLiabilitiesAndExpenses_documentation_en-US" xlink:label="lab_bsac_CashFlowPayableLiabilitiesAndExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of cash flow payable (liabilities) and expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CashFlowPayableLiabilitiesAndExpenses" xlink:href="bsac-20251231.xsd#bsac_CashFlowPayableLiabilitiesAndExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CashFlowPayableLiabilitiesAndExpenses" xlink:to="lab_bsac_CashFlowPayableLiabilitiesAndExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityIncorporationStateCountryCode_1d26800c-948e-42c4-ad08-17b1213db404_terseLabel_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Incorporation, State or Country Code</link:label>
    <link:label id="lab_dei_EntityIncorporationStateCountryCode_label_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Incorporation, State or Country Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityIncorporationStateCountryCode" xlink:to="lab_dei_EntityIncorporationStateCountryCode" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RepurchaseAgreementMember_904806dd-e6fa-4d6a-9c60-863f2da52271_terseLabel_en-US" xlink:label="lab_bsac_RepurchaseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">of which sold under repurchase agreement</link:label>
    <link:label id="lab_bsac_RepurchaseAgreementMember_ec2cca77-7a8b-4fb8-81ba-89eb64518525_verboseLabel_en-US" xlink:label="lab_bsac_RepurchaseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Repurchase agreements</link:label>
    <link:label id="lab_bsac_RepurchaseAgreementMember_label_en-US" xlink:label="lab_bsac_RepurchaseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase Agreement [Member]</link:label>
    <link:label id="lab_bsac_RepurchaseAgreementMember_documentation_en-US" xlink:label="lab_bsac_RepurchaseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Repurchase Agreement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RepurchaseAgreementMember" xlink:href="bsac-20251231.xsd#bsac_RepurchaseAgreementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RepurchaseAgreementMember" xlink:to="lab_bsac_RepurchaseAgreementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GrossBalances_eb982a40-6901-458a-8202-4230c7404cb4_periodStartLabel_en-US" xlink:label="lab_bsac_GrossBalances" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balances as of beginning</link:label>
    <link:label id="lab_bsac_GrossBalances_0287f60a-ca58-430f-a6db-9923fca85a6d_periodEndLabel_en-US" xlink:label="lab_bsac_GrossBalances" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balances as of ending</link:label>
    <link:label id="lab_bsac_GrossBalances_label_en-US" xlink:label="lab_bsac_GrossBalances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross Balances</link:label>
    <link:label id="lab_bsac_GrossBalances_documentation_en-US" xlink:label="lab_bsac_GrossBalances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of gross balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GrossBalances" xlink:href="bsac-20251231.xsd#bsac_GrossBalances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GrossBalances" xlink:to="lab_bsac_GrossBalances" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherFinancialAssets_e3bf3503-1fc2-4699-b182-0de0d0f60ec1_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_ifrs-full_OtherFinancialAssets_d34a88ca-2305-4035-b9ae-6438d014665a_verboseLabel_en-US" xlink:label="lab_ifrs-full_OtherFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Hedging accounting</link:label>
    <link:label id="lab_ifrs-full_OtherFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_OtherFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherFinancialAssets" xlink:to="lab_ifrs-full_OtherFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfAccumulatedDepreciationTableTextBlock_9e186222-85e9-438e-b1b8-76bb9f220a5c_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfAccumulatedDepreciationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Accumulated Depreciation</link:label>
    <link:label id="lab_bsac_DisclosureOfAccumulatedDepreciationTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfAccumulatedDepreciationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Accumulated Depreciation [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfAccumulatedDepreciationTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfAccumulatedDepreciationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The disclosure of accumulated depreciation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfAccumulatedDepreciationTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfAccumulatedDepreciationTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfAccumulatedDepreciationTableTextBlock" xlink:to="lab_bsac_DisclosureOfAccumulatedDepreciationTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ITAndCommunicationExpenses_fed2ed56-240d-49d5-91d2-d22b50169452_negatedTerseLabel_en-US" xlink:label="lab_bsac_ITAndCommunicationExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">IT and communication expenses</link:label>
    <link:label id="lab_bsac_ITAndCommunicationExpenses_label_en-US" xlink:label="lab_bsac_ITAndCommunicationExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ITAnd Communication Expenses</link:label>
    <link:label id="lab_bsac_ITAndCommunicationExpenses_documentation_en-US" xlink:label="lab_bsac_ITAndCommunicationExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about it and communication expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ITAndCommunicationExpenses" xlink:href="bsac-20251231.xsd#bsac_ITAndCommunicationExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ITAndCommunicationExpenses" xlink:to="lab_bsac_ITAndCommunicationExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherFinancialLiabilitiesCurrent_a52a380e-6608-4a57-8992-8caa99bfd2d1_terseLabel_en-US" xlink:label="lab_bsac_OtherFinancialLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other financial liabilities current</link:label>
    <link:label id="lab_bsac_OtherFinancialLiabilitiesCurrent_label_en-US" xlink:label="lab_bsac_OtherFinancialLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Financial Liabilities Current</link:label>
    <link:label id="lab_bsac_OtherFinancialLiabilitiesCurrent_documentation_en-US" xlink:label="lab_bsac_OtherFinancialLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of current financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Other financial liabilities; Current financial liabilities]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherFinancialLiabilitiesCurrent" xlink:href="bsac-20251231.xsd#bsac_OtherFinancialLiabilitiesCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherFinancialLiabilitiesCurrent" xlink:to="lab_bsac_OtherFinancialLiabilitiesCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DZBankAGDeutscheZentralGenossenschaftsbankMember_24c73f4a-ddc1-42b0-aafb-64354a61d29a_terseLabel_en-US" xlink:label="lab_bsac_DZBankAGDeutscheZentralGenossenschaftsbankMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">DZ Bank AG Deutsche Zentral-Genossenschaftsbank</link:label>
    <link:label id="lab_bsac_DZBankAGDeutscheZentralGenossenschaftsbankMember_label_en-US" xlink:label="lab_bsac_DZBankAGDeutscheZentralGenossenschaftsbankMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">DZ Bank AG Deutsche Zentral-Genossenschaftsbank [Member]</link:label>
    <link:label id="lab_bsac_DZBankAGDeutscheZentralGenossenschaftsbankMember_documentation_en-US" xlink:label="lab_bsac_DZBankAGDeutscheZentralGenossenschaftsbankMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">DZ Bank AG Deutsche Zentral-Genossenschaftsbank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DZBankAGDeutscheZentralGenossenschaftsbankMember" xlink:href="bsac-20251231.xsd#bsac_DZBankAGDeutscheZentralGenossenschaftsbankMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DZBankAGDeutscheZentralGenossenschaftsbankMember" xlink:to="lab_bsac_DZBankAGDeutscheZentralGenossenschaftsbankMember" xlink:type="arc" order="1"/>
    <link:label id="lab_country_ID_019c5843-9117-741b-bf85-4b0f362d0c5f_terseLabel_en-US" xlink:label="lab_country_ID" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Indonesia</link:label>
    <link:label id="lab_country_ID_label_en-US" xlink:label="lab_country_ID" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">INDONESIA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_ID" xlink:href="https://xbrl.sec.gov/country/2024/country-2024.xsd#country_ID"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_ID" xlink:to="lab_country_ID" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfMortgageFnanceBondsLineItems_8cb45885-a604-43ce-89b2-feaf61c097bc_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfMortgageFnanceBondsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Mortgage Fnance Bonds [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfMortgageFnanceBondsLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfMortgageFnanceBondsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Mortgage Fnance Bonds [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfMortgageFnanceBondsLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfMortgageFnanceBondsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Mortgage Fnance Bonds [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfMortgageFnanceBondsLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfMortgageFnanceBondsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfMortgageFnanceBondsLineItems" xlink:to="lab_bsac_ScheduleOfMortgageFnanceBondsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesValuationOfInvestments_93b7a5a1-8323-4b17-a130-590158bafeb6_negatedTerseLabel_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesValuationOfInvestments" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Valuation of investments</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesValuationOfInvestments_label_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesValuationOfInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities Valuation Of Investments</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesValuationOfInvestments_documentation_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesValuationOfInvestments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxLiabilitiesValuationOfInvestments" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxLiabilitiesValuationOfInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxLiabilitiesValuationOfInvestments" xlink:to="lab_bsac_DeferredTaxLiabilitiesValuationOfInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_GlobalCorporateBanking1Member_3de32554-ed2e-4f67-a0da-daab465cb85e_terseLabel_en-US" xlink:label="lab_bsac_GlobalCorporateBanking1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Corporate and Investment Banking (CIB)</link:label>
    <link:label id="lab_bsac_GlobalCorporateBanking1Member_label_en-US" xlink:label="lab_bsac_GlobalCorporateBanking1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Global Corporate Banking1 [Member]</link:label>
    <link:label id="lab_bsac_GlobalCorporateBanking1Member_documentation_en-US" xlink:label="lab_bsac_GlobalCorporateBanking1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Global Corporate Banking1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_GlobalCorporateBanking1Member" xlink:href="bsac-20251231.xsd#bsac_GlobalCorporateBanking1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_GlobalCorporateBanking1Member" xlink:to="lab_bsac_GlobalCorporateBanking1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialInstrumentsNotCreditimpairedMember_ad7a7447-d883-42e9-a37e-404e1d41fed9_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialInstrumentsNotCreditimpairedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-impaired financial assets</link:label>
    <link:label id="lab_ifrs-full_FinancialInstrumentsNotCreditimpairedMember_label_en-US" xlink:label="lab_ifrs-full_FinancialInstrumentsNotCreditimpairedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial instruments not credit-impaired [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialInstrumentsNotCreditimpairedMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialInstrumentsNotCreditimpairedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialInstrumentsNotCreditimpairedMember" xlink:to="lab_ifrs-full_FinancialInstrumentsNotCreditimpairedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredLineItems_e5a23291-b4f2-4a00-9354-9397d63b6b4a_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Residual Maturity Over Measured that have not Expired [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredLineItems_label_en-US" xlink:label="lab_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Residual Maturity Over Measured that have not Expired [Line Items]</link:label>
    <link:label id="lab_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredLineItems_documentation_en-US" xlink:label="lab_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Residual Maturity Over Measured that have not Expired [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredLineItems" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredLineItems" xlink:to="lab_bsac_ScheduleOfResidualMaturityOverMeasuredThatHaveNotExpiredLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NonCurrentAssetsHeldForSaleAbstract_06de4e1c-46be-456f-af98-9f3a627025ce_terseLabel_en-US" xlink:label="lab_bsac_NonCurrentAssetsHeldForSaleAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non current assets held for sale</link:label>
    <link:label id="lab_bsac_NonCurrentAssetsHeldForSaleAbstract_label_en-US" xlink:label="lab_bsac_NonCurrentAssetsHeldForSaleAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non Current Assets Held For Sale Abstract</link:label>
    <link:label id="lab_bsac_NonCurrentAssetsHeldForSaleAbstract_documentation_en-US" xlink:label="lab_bsac_NonCurrentAssetsHeldForSaleAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non Current Assets Held For Sale Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NonCurrentAssetsHeldForSaleAbstract" xlink:href="bsac-20251231.xsd#bsac_NonCurrentAssetsHeldForSaleAbstract"/>
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    <link:label id="lab_ifrs-full_NoncontrollingInterestsMember_507932c8-2e61-44f6-b59a-7813ea53c39d_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterestsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interest</link:label>
    <link:label id="lab_ifrs-full_NoncontrollingInterestsMember_73040868-1559-45cb-9900-d5909b236a73_verboseLabel_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterestsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interests</link:label>
    <link:label id="lab_ifrs-full_NoncontrollingInterestsMember_label_en-US" xlink:label="lab_ifrs-full_NoncontrollingInterestsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-controlling interests [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncontrollingInterestsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncontrollingInterestsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncontrollingInterestsMember" xlink:to="lab_ifrs-full_NoncontrollingInterestsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInterestIncomeExpenseExplanatory_13355c01-2752-473d-b2dc-2c1b7372f947_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInterestIncomeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest and Inflation Income</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInterestIncomeExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInterestIncomeExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of interest income (expense) [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInterestIncomeExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInterestIncomeExpenseExplanatory"/>
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    <link:label id="lab_ifrs-full_OtherTaxRateEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_6732bd07-12b0-4774-8ed4-ef28dc3b9041_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherTaxRateEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other, tax rate</link:label>
    <link:label id="lab_ifrs-full_OtherTaxRateEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome_label_en-US" xlink:label="lab_ifrs-full_OtherTaxRateEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other tax rate effects for reconciliation between accounting profit and tax expense (income)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherTaxRateEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherTaxRateEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherTaxRateEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:to="lab_ifrs-full_OtherTaxRateEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ConsolidatedStatementsOfComprehensiveIncomeAbstract_f87c4445-b29d-4f2d-8ff9-c9523266b178_terseLabel_en-US" xlink:label="lab_bsac_ConsolidatedStatementsOfComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidated Statements Of Comprehensive Income Abstract</link:label>
    <link:label id="lab_bsac_ConsolidatedStatementsOfComprehensiveIncomeAbstract_label_en-US" xlink:label="lab_bsac_ConsolidatedStatementsOfComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated Statements Of Comprehensive Income Abstract</link:label>
    <link:label id="lab_bsac_ConsolidatedStatementsOfComprehensiveIncomeAbstract_documentation_en-US" xlink:label="lab_bsac_ConsolidatedStatementsOfComprehensiveIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consolidated Statements Of Comprehensive Income Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ConsolidatedStatementsOfComprehensiveIncomeAbstract" xlink:href="bsac-20251231.xsd#bsac_ConsolidatedStatementsOfComprehensiveIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ConsolidatedStatementsOfComprehensiveIncomeAbstract" xlink:to="lab_bsac_ConsolidatedStatementsOfComprehensiveIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FixedIncomeInvestments1Member_ba04c1c3-b77e-4e9f-881b-35bbc617e065_terseLabel_en-US" xlink:label="lab_bsac_FixedIncomeInvestments1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed-income investments</link:label>
    <link:label id="lab_bsac_FixedIncomeInvestments1Member_label_en-US" xlink:label="lab_bsac_FixedIncomeInvestments1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixed Income Investments1 [Member]</link:label>
    <link:label id="lab_bsac_FixedIncomeInvestments1Member_documentation_en-US" xlink:label="lab_bsac_FixedIncomeInvestments1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Classes of financial instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FixedIncomeInvestments1Member" xlink:href="bsac-20251231.xsd#bsac_FixedIncomeInvestments1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FixedIncomeInvestments1Member" xlink:to="lab_bsac_FixedIncomeInvestments1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SummaryOfSignificantAccountingPoliciesLineItems_3714e526-0b96-4dab-83b7-ba7c9848cd33_terseLabel_en-US" xlink:label="lab_bsac_SummaryOfSignificantAccountingPoliciesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Significant Accounting Policies [Line Items]</link:label>
    <link:label id="lab_bsac_SummaryOfSignificantAccountingPoliciesLineItems_label_en-US" xlink:label="lab_bsac_SummaryOfSignificantAccountingPoliciesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Summary of Significant Accounting Policies [Line Items]</link:label>
    <link:label id="lab_bsac_SummaryOfSignificantAccountingPoliciesLineItems_documentation_en-US" xlink:label="lab_bsac_SummaryOfSignificantAccountingPoliciesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Summary of Significant Accounting Policies [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SummaryOfSignificantAccountingPoliciesLineItems" xlink:href="bsac-20251231.xsd#bsac_SummaryOfSignificantAccountingPoliciesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="lab_bsac_SummaryOfSignificantAccountingPoliciesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_country_IT_019c5843-10ae-7770-ad9c-9869326127db_terseLabel_en-US" xlink:label="lab_country_IT" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Italia</link:label>
    <link:label id="lab_country_IT_label_en-US" xlink:label="lab_country_IT" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ITALY</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_IT" xlink:href="https://xbrl.sec.gov/country/2024/country-2024.xsd#country_IT"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_IT" xlink:to="lab_country_IT" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChileanTreasuryBondsAndNotesMember_f633b1f4-f583-4e18-b4b8-0642a79f50ac_terseLabel_en-US" xlink:label="lab_bsac_ChileanTreasuryBondsAndNotesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chilean Treasury bonds and notes</link:label>
    <link:label id="lab_bsac_ChileanTreasuryBondsAndNotesMember_label_en-US" xlink:label="lab_bsac_ChileanTreasuryBondsAndNotesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chilean Treasury Bonds And Notes [Member]</link:label>
    <link:label id="lab_bsac_ChileanTreasuryBondsAndNotesMember_documentation_en-US" xlink:label="lab_bsac_ChileanTreasuryBondsAndNotesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chilean Treasury Bonds And Notes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChileanTreasuryBondsAndNotesMember" xlink:href="bsac-20251231.xsd#bsac_ChileanTreasuryBondsAndNotesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChileanTreasuryBondsAndNotesMember" xlink:to="lab_bsac_ChileanTreasuryBondsAndNotesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeFromForeignCurrencyExchangeMember_f8395cc3-a5ee-44b7-ad94-2581cb8f1e3b_terseLabel_en-US" xlink:label="lab_bsac_NetIncomeFromForeignCurrencyExchangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income from foreign currency exchange</link:label>
    <link:label id="lab_bsac_NetIncomeFromForeignCurrencyExchangeMember_label_en-US" xlink:label="lab_bsac_NetIncomeFromForeignCurrencyExchangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income From Foreign Currency Exchange [Member]</link:label>
    <link:label id="lab_bsac_NetIncomeFromForeignCurrencyExchangeMember_documentation_en-US" xlink:label="lab_bsac_NetIncomeFromForeignCurrencyExchangeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Income From Foreign Currency Exchange</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeFromForeignCurrencyExchangeMember" xlink:href="bsac-20251231.xsd#bsac_NetIncomeFromForeignCurrencyExchangeMember"/>
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    <link:label id="lab_bsac_XS3257573298Member_019bf9c4-0544-7907-b62e-0cfd8bc33105_terseLabel_en-US" xlink:label="lab_bsac_XS3257573298Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">XS3257573298 [Member]</link:label>
    <link:label id="lab_bsac_XS3257573298Member_label_en-US" xlink:label="lab_bsac_XS3257573298Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">XS3257573298 [Member]</link:label>
    <link:label id="lab_bsac_XS3257573298Member_documentation_en-US" xlink:label="lab_bsac_XS3257573298Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">XS3257573298</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_XS3257573298Member" xlink:href="bsac-20251231.xsd#bsac_XS3257573298Member"/>
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    <link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss_ddfa1fb5-6685-4cf9-b0fe-da2eb2c38a46_negatedLabel_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Income tax related to the above</link:label>
    <link:label id="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss_label_en-US" xlink:label="lab_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income tax relating to components of other comprehensive income that will be reclassified to profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss"/>
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    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisTable_5336fbd8-771e-43e0-86ae-062a9fc83dfb_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities on Recurrent Basis [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisTable_label_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities on Recurrent Basis [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Assets and Liabilities on Recurrent Basis [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisTable" xlink:to="lab_bsac_ScheduleOfAssetsAndLiabilitiesOnRecurrentBasisTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChangesNotRelatedToCashFlowsForeignCurrencyExchange_89456b6e-ccdb-49d0-a8ca-840c1e52634c_terseLabel_en-US" xlink:label="lab_bsac_ChangesNotRelatedToCashFlowsForeignCurrencyExchange" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency exchange</link:label>
    <link:label id="lab_bsac_ChangesNotRelatedToCashFlowsForeignCurrencyExchange_label_en-US" xlink:label="lab_bsac_ChangesNotRelatedToCashFlowsForeignCurrencyExchange" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changes Not Related To Cash Flows Foreign Currency Exchange</link:label>
    <link:label id="lab_bsac_ChangesNotRelatedToCashFlowsForeignCurrencyExchange_documentation_en-US" xlink:label="lab_bsac_ChangesNotRelatedToCashFlowsForeignCurrencyExchange" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Changes not related to cash flows foreign currency exchanger.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChangesNotRelatedToCashFlowsForeignCurrencyExchange" xlink:href="bsac-20251231.xsd#bsac_ChangesNotRelatedToCashFlowsForeignCurrencyExchange"/>
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    <link:label id="lab_bsac_ProvisionForLoyaltyProgrammesMember_aab38018-c7cd-4d6e-b0e3-9d56f5c2239f_terseLabel_en-US" xlink:label="lab_bsac_ProvisionForLoyaltyProgrammesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for loyalty programmes</link:label>
    <link:label id="lab_bsac_ProvisionForLoyaltyProgrammesMember_label_en-US" xlink:label="lab_bsac_ProvisionForLoyaltyProgrammesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for loyalty programmes [Member]</link:label>
    <link:label id="lab_bsac_ProvisionForLoyaltyProgrammesMember_documentation_en-US" xlink:label="lab_bsac_ProvisionForLoyaltyProgrammesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision for loyalty programmes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionForLoyaltyProgrammesMember" xlink:href="bsac-20251231.xsd#bsac_ProvisionForLoyaltyProgrammesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionForLoyaltyProgrammesMember" xlink:to="lab_bsac_ProvisionForLoyaltyProgrammesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome_f829d27f-e7f2-472e-baa2-eb4081817f10_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome_bf9599c3-1134-44d3-9031-47e3e3870dde_periodStartLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome_f0cc6f32-59a8-4d91-b8b9-ff530645a6fc_periodEndLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome_bf454fb9-53c3-484a-885d-e543b494874b_verboseLabel_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Financial asset at fair value through other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial assets at fair value through other comprehensive income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetMember_ffafe17a-9449-4623-a2a6-17c5a7107df3_terseLabel_en-US" xlink:label="lab_bsac_AssetMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:label id="lab_bsac_AssetMember_label_en-US" xlink:label="lab_bsac_AssetMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Asset [Member]</link:label>
    <link:label id="lab_bsac_AssetMember_documentation_en-US" xlink:label="lab_bsac_AssetMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Asset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetMember" xlink:href="bsac-20251231.xsd#bsac_AssetMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetMember" xlink:to="lab_bsac_AssetMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeAttributableToNoncontrollingInterests_8247f9a1-44e9-4518-8710-fc64d14f0e47_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other comprehensive income</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeAttributableToNoncontrollingInterests_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, attributable to non-controlling interests</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeAttributableToNoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_85e4107d-d44d-4a07-85c1-14d45e5647df_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary acquisition (assignment) of assets and liabilities</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTableTextBlock_8e1430bb-b5f1-44de-9527-996ffb1d7a8a_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loans from Chilean Financial Institutions by Maturity Amount</link:label>
    <link:label id="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Loans From Chilean Central Bank By Maturity Amount [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of loans from Chilean Central Bank by maturity amount table text block.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTableTextBlock" xlink:to="lab_bsac_ScheduleOfLoansFromChileanCentralBankByMaturityAmountTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalAssetsAccordingToTheStatementOfFinancialPosition_133c41b8-1fe5-41e7-9764-92cc4ea4c540_terseLabel_en-US" xlink:label="lab_bsac_TotalAssetsAccordingToTheStatementOfFinancialPosition" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total assets according to the statement of financial position</link:label>
    <link:label id="lab_bsac_TotalAssetsAccordingToTheStatementOfFinancialPosition_label_en-US" xlink:label="lab_bsac_TotalAssetsAccordingToTheStatementOfFinancialPosition" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Assets According To The Statement Of Financial Position</link:label>
    <link:label id="lab_bsac_TotalAssetsAccordingToTheStatementOfFinancialPosition_documentation_en-US" xlink:label="lab_bsac_TotalAssetsAccordingToTheStatementOfFinancialPosition" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of total assets according to the statement of financial position.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalAssetsAccordingToTheStatementOfFinancialPosition" xlink:href="bsac-20251231.xsd#bsac_TotalAssetsAccordingToTheStatementOfFinancialPosition"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalAssetsAccordingToTheStatementOfFinancialPosition" xlink:to="lab_bsac_TotalAssetsAccordingToTheStatementOfFinancialPosition" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskTable_9d9aad6e-87fd-4943-9dfe-2580d6663f43_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Inflation Risk [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskTable_label_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Inflation Risk [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Forecasted Cash Flows for Inflation Risk [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfForecastedCashFlowsForInflationRiskTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfForecastedCashFlowsForInflationRiskTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfForecastedCashFlowsForInflationRiskTable" xlink:to="lab_bsac_ScheduleOfForecastedCashFlowsForInflationRiskTable" xlink:type="arc" order="1"/>
    <link:label id="lab_country_HK_019c5882-6ddd-714a-8f5d-e912b585463f_terseLabel_en-US" xlink:label="lab_country_HK" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hong Kong</link:label>
    <link:label id="lab_country_HK_label_en-US" xlink:label="lab_country_HK" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">HONG KONG</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_HK" xlink:href="https://xbrl.sec.gov/country/2024/country-2024.xsd#country_HK"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_HK" xlink:to="lab_country_HK" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_USTreasuryBondsMember_2245e75e-3863-40b7-8690-3bf7faed742b_terseLabel_en-US" xlink:label="lab_bsac_USTreasuryBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">US Treasury bonds</link:label>
    <link:label id="lab_bsac_USTreasuryBondsMember_label_en-US" xlink:label="lab_bsac_USTreasuryBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">USTreasury Bonds [Member]</link:label>
    <link:label id="lab_bsac_USTreasuryBondsMember_documentation_en-US" xlink:label="lab_bsac_USTreasuryBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">USTreasury Bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_USTreasuryBondsMember" xlink:href="bsac-20251231.xsd#bsac_USTreasuryBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_USTreasuryBondsMember" xlink:to="lab_bsac_USTreasuryBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ForwardContractMember_37a2c4b4-3178-4bbe-bec0-9829031dfbf5_terseLabel_en-US" xlink:label="lab_ifrs-full_ForwardContractMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Currency forward</link:label>
    <link:label id="lab_ifrs-full_ForwardContractMember_label_en-US" xlink:label="lab_ifrs-full_ForwardContractMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward contract [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ForwardContractMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ForwardContractMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ForwardContractMember" xlink:to="lab_ifrs-full_ForwardContractMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SignificantEventsTextBlock_25e8baa5-fcea-4138-a518-82b047f45e70_terseLabel_en-US" xlink:label="lab_bsac_SignificantEventsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant Events</link:label>
    <link:label id="lab_bsac_SignificantEventsTextBlock_label_en-US" xlink:label="lab_bsac_SignificantEventsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Events [Text Block]</link:label>
    <link:label id="lab_bsac_SignificantEventsTextBlock_documentation_en-US" xlink:label="lab_bsac_SignificantEventsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Significant Events</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SignificantEventsTextBlock" xlink:href="bsac-20251231.xsd#bsac_SignificantEventsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SignificantEventsTextBlock" xlink:to="lab_bsac_SignificantEventsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CashItemsInProcessOfBeingClearedMember_326072b4-eafe-4fc9-954c-07ceb8a5e33e_terseLabel_en-US" xlink:label="lab_bsac_CashItemsInProcessOfBeingClearedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash items in process of being cleared</link:label>
    <link:label id="lab_bsac_CashItemsInProcessOfBeingClearedMember_label_en-US" xlink:label="lab_bsac_CashItemsInProcessOfBeingClearedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Items In Process Of Being Cleared [Member]</link:label>
    <link:label id="lab_bsac_CashItemsInProcessOfBeingClearedMember_documentation_en-US" xlink:label="lab_bsac_CashItemsInProcessOfBeingClearedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash Items In Process Of Being Cleared</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CashItemsInProcessOfBeingClearedMember" xlink:href="bsac-20251231.xsd#bsac_CashItemsInProcessOfBeingClearedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CashItemsInProcessOfBeingClearedMember" xlink:to="lab_bsac_CashItemsInProcessOfBeingClearedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityAxis_f6442ace-4816-46ff-991c-c787287a305a_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity [axis]</link:label>
    <link:label id="lab_ifrs-full_MaturityAxis_label_en-US" xlink:label="lab_ifrs-full_MaturityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MaturityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityAxis" xlink:to="lab_ifrs-full_MaturityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome2_1888fff3-da07-494b-86df-070835e2c0e9_negatedTerseLabel_en-US" xlink:label="lab_bsac_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome2" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Changes in fair value of financial assets measured at FVOCI</link:label>
    <link:label id="lab_bsac_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome2_a13466e7-57d0-4bd9-996d-75973774af29_periodStartLabel_en-US" xlink:label="lab_bsac_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome2" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">As of beginning of period</link:label>
    <link:label id="lab_bsac_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome2_9ffe92f1-4a88-458b-b620-ae18a2944922_periodEndLabel_en-US" xlink:label="lab_bsac_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome2" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">As of end of period</link:label>
    <link:label id="lab_bsac_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome2_label_en-US" xlink:label="lab_bsac_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Financial Assets Measured At Fair Value Through Other Comprehensive Income2</link:label>
    <link:label id="lab_bsac_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome2_documentation_en-US" xlink:label="lab_bsac_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount refer to debt instrument at fair value through other comprehensive income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome2" xlink:href="bsac-20251231.xsd#bsac_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome2" xlink:to="lab_bsac_CurrentFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome2" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherInterestIncomeMember_65ded939-844e-4911-942f-23b8db698f55_terseLabel_en-US" xlink:label="lab_bsac_OtherInterestIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other interest income</link:label>
    <link:label id="lab_bsac_OtherInterestIncomeMember_label_en-US" xlink:label="lab_bsac_OtherInterestIncomeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Interest Income [Member]</link:label>
    <link:label id="lab_bsac_OtherInterestIncomeMember_documentation_en-US" xlink:label="lab_bsac_OtherInterestIncomeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about other interest income member.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherInterestIncomeMember" xlink:href="bsac-20251231.xsd#bsac_OtherInterestIncomeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherInterestIncomeMember" xlink:to="lab_bsac_OtherInterestIncomeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankDebts_d8db04b8-0d85-4c61-9421-6dc4e7de2148_totalLabel_en-US" xlink:label="lab_bsac_BankDebts" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_BankDebts_label_en-US" xlink:label="lab_bsac_BankDebts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Debts</link:label>
    <link:label id="lab_bsac_BankDebts_documentation_en-US" xlink:label="lab_bsac_BankDebts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of Bank&#8217;s debts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankDebts" xlink:href="bsac-20251231.xsd#bsac_BankDebts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankDebts" xlink:to="lab_bsac_BankDebts" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCardsAmount_513095c4-786d-4f02-829c-08454dba45b9_negatedTerseLabel_en-US" xlink:label="lab_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCardsAmount" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Commissions for services related to the credit card system and prepaid cards</link:label>
    <link:label id="lab_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCardsAmount_label_en-US" xlink:label="lab_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCardsAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commissions For Services Linked To The Credit Card And Prepaid Cards Amount</link:label>
    <link:label id="lab_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCardsAmount_documentation_en-US" xlink:label="lab_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCardsAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commissions for services linked to the credit card and prepaid cards.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCardsAmount" xlink:href="bsac-20251231.xsd#bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCardsAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCardsAmount" xlink:to="lab_bsac_CommissionsForServicesLinkedToTheCreditCardAndPrepaidCardsAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_UnobservableInputsDomain_f78c1a74-c936-4fee-8319-5f32491fb0ad_terseLabel_en-US" xlink:label="lab_ifrs-full_UnobservableInputsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unobservable inputs [domain]</link:label>
    <link:label id="lab_ifrs-full_UnobservableInputsDomain_label_en-US" xlink:label="lab_ifrs-full_UnobservableInputsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unobservable inputs [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_UnobservableInputsDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_UnobservableInputsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_UnobservableInputsDomain" xlink:to="lab_ifrs-full_UnobservableInputsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BancoSantanderCentralHispanoMember_0fdf91c3-e095-428a-8f34-ecc9b2a82d67_terseLabel_en-US" xlink:label="lab_bsac_BancoSantanderCentralHispanoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Banco Santander Central Hispano</link:label>
    <link:label id="lab_bsac_BancoSantanderCentralHispanoMember_label_en-US" xlink:label="lab_bsac_BancoSantanderCentralHispanoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banco Santander Central Hispano [Member]</link:label>
    <link:label id="lab_bsac_BancoSantanderCentralHispanoMember_documentation_en-US" xlink:label="lab_bsac_BancoSantanderCentralHispanoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banco Santander Central Hispano</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BancoSantanderCentralHispanoMember" xlink:href="bsac-20251231.xsd#bsac_BancoSantanderCentralHispanoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BancoSantanderCentralHispanoMember" xlink:to="lab_bsac_BancoSantanderCentralHispanoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AssetsReceivedOrAwardedInLieuOfPaymentAbstract_52e4bb73-df3e-4aab-9bad-e762c59aacfe_terseLabel_en-US" xlink:label="lab_bsac_AssetsReceivedOrAwardedInLieuOfPaymentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets received or awarded in lieu of payment</link:label>
    <link:label id="lab_bsac_AssetsReceivedOrAwardedInLieuOfPaymentAbstract_label_en-US" xlink:label="lab_bsac_AssetsReceivedOrAwardedInLieuOfPaymentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Received Or Awarded In Lieu Of Payment Abstract</link:label>
    <link:label id="lab_bsac_AssetsReceivedOrAwardedInLieuOfPaymentAbstract_documentation_en-US" xlink:label="lab_bsac_AssetsReceivedOrAwardedInLieuOfPaymentAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Assets Received Or Awarded In Lieu Of Payment Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AssetsReceivedOrAwardedInLieuOfPaymentAbstract" xlink:href="bsac-20251231.xsd#bsac_AssetsReceivedOrAwardedInLieuOfPaymentAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AssetsReceivedOrAwardedInLieuOfPaymentAbstract" xlink:to="lab_bsac_AssetsReceivedOrAwardedInLieuOfPaymentAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ThirdPartyOperationsAbstract_494db150-4693-4a99-99b3-e8035c2a5f36_terseLabel_en-US" xlink:label="lab_bsac_ThirdPartyOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Third party operations</link:label>
    <link:label id="lab_bsac_ThirdPartyOperationsAbstract_label_en-US" xlink:label="lab_bsac_ThirdPartyOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Third Party Operations Abstract</link:label>
    <link:label id="lab_bsac_ThirdPartyOperationsAbstract_documentation_en-US" xlink:label="lab_bsac_ThirdPartyOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Third Party Operations Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ThirdPartyOperationsAbstract" xlink:href="bsac-20251231.xsd#bsac_ThirdPartyOperationsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ThirdPartyOperationsAbstract" xlink:to="lab_bsac_ThirdPartyOperationsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherLongtermBenefits_ce5aa498-36e6-4183-a732-40798b0545d7_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherLongtermBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for long-term benefits</link:label>
    <link:label id="lab_ifrs-full_OtherLongtermBenefits_label_en-US" xlink:label="lab_ifrs-full_OtherLongtermBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other long-term employee benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherLongtermBenefits" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherLongtermBenefits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherLongtermBenefits" xlink:to="lab_ifrs-full_OtherLongtermBenefits" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetsForTradingAtFVTPLMember_f8ae12bd-a24e-4dea-889d-7d2efa0dd9e0_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsForTradingAtFVTPLMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets for trading at FVTPL</link:label>
    <link:label id="lab_bsac_FinancialAssetsForTradingAtFVTPLMember_label_en-US" xlink:label="lab_bsac_FinancialAssetsForTradingAtFVTPLMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets For Trading At FVTPL [Member]</link:label>
    <link:label id="lab_bsac_FinancialAssetsForTradingAtFVTPLMember_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsForTradingAtFVTPLMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Assets For Trading At FVTPL</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsForTradingAtFVTPLMember" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsForTradingAtFVTPLMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsForTradingAtFVTPLMember" xlink:to="lab_bsac_FinancialAssetsForTradingAtFVTPLMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges_dd0ce807-0ba1-4ac3-aa33-401b63d8ff0f_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flow hedge</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges_a3cd703d-5372-4d6a-b557-d6a6d36442ef_totalLabel_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Subtotals</link:label>
    <link:label id="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges_label_en-US" xlink:label="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other comprehensive income, before tax, cash flow hedges</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges" xlink:to="lab_ifrs-full_OtherComprehensiveIncomeBeforeTaxCashFlowHedges" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankForInvestmentAndDevelopmentMember_fbb1d638-5d10-49de-8729-c7d3ace08a32_terseLabel_en-US" xlink:label="lab_bsac_BankForInvestmentAndDevelopmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank for Investment and Development</link:label>
    <link:label id="lab_bsac_BankForInvestmentAndDevelopmentMember_label_en-US" xlink:label="lab_bsac_BankForInvestmentAndDevelopmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank For Investment And Development [Member]</link:label>
    <link:label id="lab_bsac_BankForInvestmentAndDevelopmentMember_documentation_en-US" xlink:label="lab_bsac_BankForInvestmentAndDevelopmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bank For Investment And Development</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankForInvestmentAndDevelopmentMember" xlink:href="bsac-20251231.xsd#bsac_BankForInvestmentAndDevelopmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankForInvestmentAndDevelopmentMember" xlink:to="lab_bsac_BankForInvestmentAndDevelopmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankOfCommunicationsCo.LtdMember_b5ba1e1d-8c02-462f-8b3d-dafa10d943c9_terseLabel_en-US" xlink:label="lab_bsac_BankOfCommunicationsCo.LtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank Of Communications</link:label>
    <link:label id="lab_bsac_BankOfCommunicationsCo.LtdMember_label_en-US" xlink:label="lab_bsac_BankOfCommunicationsCo.LtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Of Communications,Co. Ltd [Member]</link:label>
    <link:label id="lab_bsac_BankOfCommunicationsCo.LtdMember_documentation_en-US" xlink:label="lab_bsac_BankOfCommunicationsCo.LtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bank Of Communications,Co. Ltd</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankOfCommunicationsCo.LtdMember" xlink:href="bsac-20251231.xsd#bsac_BankOfCommunicationsCo.LtdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankOfCommunicationsCo.LtdMember" xlink:to="lab_bsac_BankOfCommunicationsCo.LtdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_country_OM_019c5843-b4fb-7628-8237-c560798dd1cd_terseLabel_en-US" xlink:label="lab_country_OM" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OMAN</link:label>
    <link:label id="lab_country_OM_label_en-US" xlink:label="lab_country_OM" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">OMAN</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_OM" xlink:href="https://xbrl.sec.gov/country/2024/country-2024.xsd#country_OM"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_OM" xlink:to="lab_country_OM" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_450e46b7-ccfe-418b-9ba0-20dd0835d274_terseLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ECL allowances financial assets at fair value through other comprehensive income</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_e7e05d2d-0ad9-4365-a932-6872b7049407_periodStartLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">ECL allowance, Beginning balance</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_3c0f71e0-2a76-4da3-a031-22dbce71e6a9_periodEndLabel_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">ECL allowance, Ending balance</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected Credit Losses Allowances Financial Assets At Fair Value Through Other Comprehensive Income</link:label>
    <link:label id="lab_bsac_ExpectedCreditLossesAllowancesFinancialAssetsAtFairValueThroughOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_bsac_ExpectedCreditLossesAllowancesFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ECL allowance, Beginning balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpectedCreditLossesAllowancesFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:href="bsac-20251231.xsd#bsac_ExpectedCreditLossesAllowancesFinancialAssetsAtFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpectedCreditLossesAllowancesFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_bsac_ExpectedCreditLossesAllowancesFinancialAssetsAtFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory_6956525c-f337-46d3-8d90-603b90e7ebc1_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Assets Classified as Level 2 and Level 3</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of detailed information about financial instruments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityRegistrantName_edd3d048-2536-47e8-8b24-7c671bbeab39_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:label id="lab_dei_EntityRegistrantName_label_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityRegistrantName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName" xlink:to="lab_dei_EntityRegistrantName" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_B4Member_c34ef54f-eab3-4bfb-b950-9603896e14e4_terseLabel_en-US" xlink:label="lab_bsac_B4Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">B4</link:label>
    <link:label id="lab_bsac_B4Member_label_en-US" xlink:label="lab_bsac_B4Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">B4 [Member]</link:label>
    <link:label id="lab_bsac_B4Member_documentation_en-US" xlink:label="lab_bsac_B4Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">B4</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_B4Member" xlink:href="bsac-20251231.xsd#bsac_B4Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_B4Member" xlink:to="lab_bsac_B4Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestExpenseOnLeaseLiabilities_6eba4dab-03be-4005-a199-47772c255ce1_negatedLabel_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interests</link:label>
    <link:label id="lab_ifrs-full_InterestExpenseOnLeaseLiabilities_label_en-US" xlink:label="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest expense on lease liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestExpenseOnLeaseLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:to="lab_ifrs-full_InterestExpenseOnLeaseLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Statement1LineItems_5ba97b62-81db-4e8e-b4ca-86ae79763cc4_terseLabel_en-US" xlink:label="lab_bsac_Statement1LineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:label id="lab_bsac_Statement1LineItems_label_en-US" xlink:label="lab_bsac_Statement1LineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement1 [Line Items]</link:label>
    <link:label id="lab_bsac_Statement1LineItems_documentation_en-US" xlink:label="lab_bsac_Statement1LineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Statement1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Statement1LineItems" xlink:href="bsac-20251231.xsd#bsac_Statement1LineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Statement1LineItems" xlink:to="lab_bsac_Statement1LineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DisclosureOfPersonnelExpensesTableTextBlockTableTextBlock_31cba454-7678-482d-b355-c0e1f2d8ad54_terseLabel_en-US" xlink:label="lab_bsac_DisclosureOfPersonnelExpensesTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Personnel Salaries and Expenses</link:label>
    <link:label id="lab_bsac_DisclosureOfPersonnelExpensesTableTextBlockTableTextBlock_label_en-US" xlink:label="lab_bsac_DisclosureOfPersonnelExpensesTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure Of Personnel Expenses Table Text Block [Table Text Block]</link:label>
    <link:label id="lab_bsac_DisclosureOfPersonnelExpensesTableTextBlockTableTextBlock_documentation_en-US" xlink:label="lab_bsac_DisclosureOfPersonnelExpensesTableTextBlockTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The tabular disclosure of personnel expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DisclosureOfPersonnelExpensesTableTextBlockTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_DisclosureOfPersonnelExpensesTableTextBlockTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DisclosureOfPersonnelExpensesTableTextBlockTableTextBlock" xlink:to="lab_bsac_DisclosureOfPersonnelExpensesTableTextBlockTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfOwnershipSold_019c467a-2328-7a44-a0ad-8d509525d983_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfOwnershipSold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of ownership sold</link:label>
    <link:label id="lab_bsac_PercentageOfOwnershipSold_label_en-US" xlink:label="lab_bsac_PercentageOfOwnershipSold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Ownership Sold</link:label>
    <link:label id="lab_bsac_PercentageOfOwnershipSold_documentation_en-US" xlink:label="lab_bsac_PercentageOfOwnershipSold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Ownership Sold</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfOwnershipSold" xlink:href="bsac-20251231.xsd#bsac_PercentageOfOwnershipSold"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfOwnershipSold" xlink:to="lab_bsac_PercentageOfOwnershipSold" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CommissionsForBrokerageAndManagementOfSecurities_c8fd5945-1c36-4ddf-a0a7-ef9356c6a547_terseLabel_en-US" xlink:label="lab_bsac_CommissionsForBrokerageAndManagementOfSecurities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commissions for brokerage and management of securities</link:label>
    <link:label id="lab_bsac_CommissionsForBrokerageAndManagementOfSecurities_label_en-US" xlink:label="lab_bsac_CommissionsForBrokerageAndManagementOfSecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commissions For Brokerage And Management Of Securities</link:label>
    <link:label id="lab_bsac_CommissionsForBrokerageAndManagementOfSecurities_documentation_en-US" xlink:label="lab_bsac_CommissionsForBrokerageAndManagementOfSecurities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commissions For Brokerage And Management Of Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CommissionsForBrokerageAndManagementOfSecurities" xlink:href="bsac-20251231.xsd#bsac_CommissionsForBrokerageAndManagementOfSecurities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CommissionsForBrokerageAndManagementOfSecurities" xlink:to="lab_bsac_CommissionsForBrokerageAndManagementOfSecurities" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfInvestmentEntitiesExplanatory_1231fd0b-108f-4ef1-9205-4f402773c4dd_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfInvestmentEntitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Investments in Associates and Other</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfInvestmentEntitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfInvestmentEntitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of investment entities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfInvestmentEntitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfInvestmentEntitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfInvestmentEntitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfInvestmentEntitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncomeReceivedInAdvance_fc2cc24a-66c8-4db4-8fc6-c688329cbe48_terseLabel_en-US" xlink:label="lab_bsac_IncomeReceivedInAdvance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income received in advance</link:label>
    <link:label id="lab_bsac_IncomeReceivedInAdvance_label_en-US" xlink:label="lab_bsac_IncomeReceivedInAdvance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Received In Advance</link:label>
    <link:label id="lab_bsac_IncomeReceivedInAdvance_documentation_en-US" xlink:label="lab_bsac_IncomeReceivedInAdvance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income received in advance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncomeReceivedInAdvance" xlink:href="bsac-20251231.xsd#bsac_IncomeReceivedInAdvance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncomeReceivedInAdvance" xlink:to="lab_bsac_IncomeReceivedInAdvance" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis_7b83670f-13e4-49ea-bbd8-c4804644a618_terseLabel_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Categories of financial liabilities [axis]</link:label>
    <link:label id="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis_label_en-US" xlink:label="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Categories of financial liabilities [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:to="lab_ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankingRegulationAdditionalTier1CapitalAdequacyMinimum_be11935b-706e-4246-a702-47d458644257_terseLabel_en-US" xlink:label="lab_bsac_BankingRegulationAdditionalTier1CapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AT1</link:label>
    <link:label id="lab_bsac_BankingRegulationAdditionalTier1CapitalAdequacyMinimum_label_en-US" xlink:label="lab_bsac_BankingRegulationAdditionalTier1CapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banking Regulation, Additional Tier 1, Capital Adequacy, Minimum</link:label>
    <link:label id="lab_bsac_BankingRegulationAdditionalTier1CapitalAdequacyMinimum_documentation_en-US" xlink:label="lab_bsac_BankingRegulationAdditionalTier1CapitalAdequacyMinimum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banking Regulation, Additional Tier 1, Capital Adequacy, Minimum</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankingRegulationAdditionalTier1CapitalAdequacyMinimum" xlink:href="bsac-20251231.xsd#bsac_BankingRegulationAdditionalTier1CapitalAdequacyMinimum"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankingRegulationAdditionalTier1CapitalAdequacyMinimum" xlink:to="lab_bsac_BankingRegulationAdditionalTier1CapitalAdequacyMinimum" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetsAtFvtplAbstract_7061e079-3cc9-4048-9c5c-0a4c9a49e58c_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsAtFvtplAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets at FVTPL</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFvtplAbstract_label_en-US" xlink:label="lab_bsac_FinancialAssetsAtFvtplAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets At Fvtpl Abstract</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtFvtplAbstract_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsAtFvtplAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Assets At Fvtpl Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsAtFvtplAbstract" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsAtFvtplAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsAtFvtplAbstract" xlink:to="lab_bsac_FinancialAssetsAtFvtplAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CurrentFinancialAssets_1a05a20d-3045-4c75-83bf-9afe21ffb8cb_totalLabel_en-US" xlink:label="lab_ifrs-full_CurrentFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">TOTAL</link:label>
    <link:label id="lab_ifrs-full_CurrentFinancialAssets_label_en-US" xlink:label="lab_ifrs-full_CurrentFinancialAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current financial assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CurrentFinancialAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CurrentFinancialAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CurrentFinancialAssets" xlink:to="lab_ifrs-full_CurrentFinancialAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherFinancialInstrumentsMember_21f28771-6f15-4a71-aa07-844937a17564_terseLabel_en-US" xlink:label="lab_bsac_OtherFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other financial instruments</link:label>
    <link:label id="lab_bsac_OtherFinancialInstrumentsMember_label_en-US" xlink:label="lab_bsac_OtherFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Financial Instruments [Member]</link:label>
    <link:label id="lab_bsac_OtherFinancialInstrumentsMember_documentation_en-US" xlink:label="lab_bsac_OtherFinancialInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Financial Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherFinancialInstrumentsMember" xlink:href="bsac-20251231.xsd#bsac_OtherFinancialInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherFinancialInstrumentsMember" xlink:to="lab_bsac_OtherFinancialInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MaturityDomain_38aec6a5-ceb4-4176-ab44-84568e567e4e_terseLabel_en-US" xlink:label="lab_ifrs-full_MaturityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity [domain]</link:label>
    <link:label id="lab_ifrs-full_MaturityDomain_label_en-US" xlink:label="lab_ifrs-full_MaturityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MaturityDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MaturityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MaturityDomain" xlink:to="lab_ifrs-full_MaturityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ImpactSens1bpFavourableScenario1_532fd7b9-8829-4f76-a27b-9d6c6cc424ee_terseLabel_en-US" xlink:label="lab_bsac_ImpactSens1bpFavourableScenario1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impacts (in MCh$) Sens, +1bp Favorable scenario</link:label>
    <link:label id="lab_bsac_ImpactSens1bpFavourableScenario1_label_en-US" xlink:label="lab_bsac_ImpactSens1bpFavourableScenario1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impact Sens1bp Favourable Scenario1</link:label>
    <link:label id="lab_bsac_ImpactSens1bpFavourableScenario1_documentation_en-US" xlink:label="lab_bsac_ImpactSens1bpFavourableScenario1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Impact Sens1bp Favourable Scenario1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ImpactSens1bpFavourableScenario1" xlink:href="bsac-20251231.xsd#bsac_ImpactSens1bpFavourableScenario1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ImpactSens1bpFavourableScenario1" xlink:to="lab_bsac_ImpactSens1bpFavourableScenario1" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain_613fb966-7ef2-434d-bf96-30b5590dc1f3_terseLabel_en-US" xlink:label="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Type of measurement of expected credit losses [domain]</link:label>
    <link:label id="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain_label_en-US" xlink:label="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Type of measurement of expected credit losses [domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain" xlink:to="lab_ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory_b144c3e0-757c-4b40-a3f8-3e38e200f658_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Other Operating Income</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of operating segments [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOperatingSegmentsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OperationalRisksMember_70c7192c-14d2-4ac2-b13e-c4b8490166c4_terseLabel_en-US" xlink:label="lab_bsac_OperationalRisksMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operational risks</link:label>
    <link:label id="lab_bsac_OperationalRisksMember_label_en-US" xlink:label="lab_bsac_OperationalRisksMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operational Risks [Member]</link:label>
    <link:label id="lab_bsac_OperationalRisksMember_documentation_en-US" xlink:label="lab_bsac_OperationalRisksMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operational Risks</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OperationalRisksMember" xlink:href="bsac-20251231.xsd#bsac_OperationalRisksMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OperationalRisksMember" xlink:to="lab_bsac_OperationalRisksMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CitibankNAMember_192175a1-1790-4c50-83ca-7caa3c273241_terseLabel_en-US" xlink:label="lab_bsac_CitibankNAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Citibank N.A.</link:label>
    <link:label id="lab_bsac_CitibankNAMember_label_en-US" xlink:label="lab_bsac_CitibankNAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Citibank NA [Member]</link:label>
    <link:label id="lab_bsac_CitibankNAMember_documentation_en-US" xlink:label="lab_bsac_CitibankNAMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Citibank NA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CitibankNAMember" xlink:href="bsac-20251231.xsd#bsac_CitibankNAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CitibankNAMember" xlink:to="lab_bsac_CitibankNAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_Security12bTitle_de77c371-6867-49ee-84a4-d7e629377013_terseLabel_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:label id="lab_dei_Security12bTitle_label_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_Security12bTitle"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_Security12bTitle" xlink:to="lab_dei_Security12bTitle" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OthersEquityInstrumentsMember_45c8187b-d65e-419d-a5e2-e363075abf89_terseLabel_en-US" xlink:label="lab_bsac_OthersEquityInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others equity instruments</link:label>
    <link:label id="lab_bsac_OthersEquityInstrumentsMember_label_en-US" xlink:label="lab_bsac_OthersEquityInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Others Equity Instruments [Member]</link:label>
    <link:label id="lab_bsac_OthersEquityInstrumentsMember_documentation_en-US" xlink:label="lab_bsac_OthersEquityInstrumentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Others Equity Instruments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OthersEquityInstrumentsMember" xlink:href="bsac-20251231.xsd#bsac_OthersEquityInstrumentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OthersEquityInstrumentsMember" xlink:to="lab_bsac_OthersEquityInstrumentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_b9bc40ce-1d98-4954-9b50-db8f43ae319d_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of macroeconomic annual growth forecasts</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk free interest rate, share options granted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:to="lab_ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SignificantEventsDetailsLineItems_2230bd4a-ba8f-4096-96ab-a690e118bd31_terseLabel_en-US" xlink:label="lab_bsac_SignificantEventsDetailsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant Events [Line Items]</link:label>
    <link:label id="lab_bsac_SignificantEventsDetailsLineItems_label_en-US" xlink:label="lab_bsac_SignificantEventsDetailsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Events [Line Items]</link:label>
    <link:label id="lab_bsac_SignificantEventsDetailsLineItems_documentation_en-US" xlink:label="lab_bsac_SignificantEventsDetailsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Significant Events [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SignificantEventsDetailsLineItems" xlink:href="bsac-20251231.xsd#bsac_SignificantEventsDetailsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SignificantEventsDetailsLineItems" xlink:to="lab_bsac_SignificantEventsDetailsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherIrrevocableCreditCommitment_e8d0763e-f339-47a5-a8e4-5938494a8d56_terseLabel_en-US" xlink:label="lab_bsac_OtherIrrevocableCreditCommitment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other irrevocable credit commitments</link:label>
    <link:label id="lab_bsac_OtherIrrevocableCreditCommitment_label_en-US" xlink:label="lab_bsac_OtherIrrevocableCreditCommitment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Irrevocable Credit Commitment</link:label>
    <link:label id="lab_bsac_OtherIrrevocableCreditCommitment_documentation_en-US" xlink:label="lab_bsac_OtherIrrevocableCreditCommitment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about other irrevocable credit commitments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherIrrevocableCreditCommitment" xlink:href="bsac-20251231.xsd#bsac_OtherIrrevocableCreditCommitment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherIrrevocableCreditCommitment" xlink:to="lab_bsac_OtherIrrevocableCreditCommitment" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset_2dc79b26-6713-410f-ada9-641fab51c160_terseLabel_en-US" xlink:label="lab_ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Curtailment/settlement effect</link:label>
    <link:label id="lab_ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset_label_en-US" xlink:label="lab_ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease (increase) in net defined benefit liability (asset) resulting from gains (losses) arising from settlements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:to="lab_ifrs-full_GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BancoDeLaProvinciaDeBuenosAiresMember_019b31dd-9d27-7f96-a586-9f8f1e2fcc62_terseLabel_en-US" xlink:label="lab_bsac_BancoDeLaProvinciaDeBuenosAiresMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Banco De La Provincia De Buenos Aires</link:label>
    <link:label id="lab_bsac_BancoDeLaProvinciaDeBuenosAiresMember_label_en-US" xlink:label="lab_bsac_BancoDeLaProvinciaDeBuenosAiresMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banco De La Provincia De Buenos Aires [Member]</link:label>
    <link:label id="lab_bsac_BancoDeLaProvinciaDeBuenosAiresMember_documentation_en-US" xlink:label="lab_bsac_BancoDeLaProvinciaDeBuenosAiresMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banco De La Provincia De Buenos Aires</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BancoDeLaProvinciaDeBuenosAiresMember" xlink:href="bsac-20251231.xsd#bsac_BancoDeLaProvinciaDeBuenosAiresMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BancoDeLaProvinciaDeBuenosAiresMember" xlink:to="lab_bsac_BancoDeLaProvinciaDeBuenosAiresMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProvisionUsedOtherProvisions_473f6b60-a7a4-4a3e-b4f1-941e14102c06_negatedTotalLabel_en-US" xlink:label="lab_ifrs-full_ProvisionUsedOtherProvisions" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Provision for loan losses</link:label>
    <link:label id="lab_ifrs-full_ProvisionUsedOtherProvisions_label_en-US" xlink:label="lab_ifrs-full_ProvisionUsedOtherProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision used, other provisions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProvisionUsedOtherProvisions" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ProvisionUsedOtherProvisions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProvisionUsedOtherProvisions" xlink:to="lab_ifrs-full_ProvisionUsedOtherProvisions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_YearsOfInsuranceClaimAxis_303de3d0-7db8-40da-855e-7e4830ef0d4e_terseLabel_en-US" xlink:label="lab_ifrs-full_YearsOfInsuranceClaimAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Years of insurance claim [axis]</link:label>
    <link:label id="lab_ifrs-full_YearsOfInsuranceClaimAxis_label_en-US" xlink:label="lab_ifrs-full_YearsOfInsuranceClaimAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Years of insurance claim [axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_YearsOfInsuranceClaimAxis" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_YearsOfInsuranceClaimAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_YearsOfInsuranceClaimAxis" xlink:to="lab_ifrs-full_YearsOfInsuranceClaimAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ProvisionForInterestOfPerpetualBondsMember_760745b5-7305-431c-97d9-d1443eda5f3e_terseLabel_en-US" xlink:label="lab_bsac_ProvisionForInterestOfPerpetualBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for interest of perpetual bonds</link:label>
    <link:label id="lab_bsac_ProvisionForInterestOfPerpetualBondsMember_label_en-US" xlink:label="lab_bsac_ProvisionForInterestOfPerpetualBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for interest of perpetual bonds [Member]</link:label>
    <link:label id="lab_bsac_ProvisionForInterestOfPerpetualBondsMember_documentation_en-US" xlink:label="lab_bsac_ProvisionForInterestOfPerpetualBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Provision for interest of perpetual bonds</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ProvisionForInterestOfPerpetualBondsMember" xlink:href="bsac-20251231.xsd#bsac_ProvisionForInterestOfPerpetualBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ProvisionForInterestOfPerpetualBondsMember" xlink:to="lab_bsac_ProvisionForInterestOfPerpetualBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RecoveryOfOperatingExpensesInDollars_e0a0f68a-ee29-4e53-90c5-8d75d16e627d_negatedLabel_en-US" xlink:label="lab_bsac_RecoveryOfOperatingExpensesInDollars" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Recovery of operating expenses</link:label>
    <link:label id="lab_bsac_RecoveryOfOperatingExpensesInDollars_label_en-US" xlink:label="lab_bsac_RecoveryOfOperatingExpensesInDollars" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recovery Of Operating Expenses In Dollars</link:label>
    <link:label id="lab_bsac_RecoveryOfOperatingExpensesInDollars_documentation_en-US" xlink:label="lab_bsac_RecoveryOfOperatingExpensesInDollars" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of recovery of operating expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RecoveryOfOperatingExpensesInDollars" xlink:href="bsac-20251231.xsd#bsac_RecoveryOfOperatingExpensesInDollars"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RecoveryOfOperatingExpensesInDollars" xlink:to="lab_bsac_RecoveryOfOperatingExpensesInDollars" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Level2FixedIncome_c6ca7f85-8067-47bf-8e16-c97835752100_terseLabel_en-US" xlink:label="lab_bsac_Level2FixedIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 2: fixed income</link:label>
    <link:label id="lab_bsac_Level2FixedIncome_label_en-US" xlink:label="lab_bsac_Level2FixedIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Level2 Fixed Income</link:label>
    <link:label id="lab_bsac_Level2FixedIncome_documentation_en-US" xlink:label="lab_bsac_Level2FixedIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of fixed income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Level2FixedIncome" xlink:href="bsac-20251231.xsd#bsac_Level2FixedIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Level2FixedIncome" xlink:to="lab_bsac_Level2FixedIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ConsumersMember_0ec4fae4-82e7-49c7-8eb0-76c9915ec019_terseLabel_en-US" xlink:label="lab_bsac_ConsumersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consumer</link:label>
    <link:label id="lab_bsac_ConsumersMember_label_en-US" xlink:label="lab_bsac_ConsumersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consumers [Member]</link:label>
    <link:label id="lab_bsac_ConsumersMember_documentation_en-US" xlink:label="lab_bsac_ConsumersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consumers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ConsumersMember" xlink:href="bsac-20251231.xsd#bsac_ConsumersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ConsumersMember" xlink:to="lab_bsac_ConsumersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Limit35RegulatoryCapital_8da532da-4990-430f-bdcd-35c869e259bf_terseLabel_en-US" xlink:label="lab_bsac_Limit35RegulatoryCapital" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Limit = 35% Regulatory capital</link:label>
    <link:label id="lab_bsac_Limit35RegulatoryCapital_label_en-US" xlink:label="lab_bsac_Limit35RegulatoryCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Limit35 Regulatory Capital</link:label>
    <link:label id="lab_bsac_Limit35RegulatoryCapital_documentation_en-US" xlink:label="lab_bsac_Limit35RegulatoryCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Limit 35 regulatory capital.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Limit35RegulatoryCapital" xlink:href="bsac-20251231.xsd#bsac_Limit35RegulatoryCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Limit35RegulatoryCapital" xlink:to="lab_bsac_Limit35RegulatoryCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_84078466-2495-42b6-9d76-8e73f0d5a08a_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension Plans</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of employee benefits [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfEmployeeBenefitsExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:to="lab_ifrs-full_DisclosureOfEmployeeBenefitsExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_currency_AllCurrenciesDomain_d68353d1-5470-4967-9f3b-e1f642257862_terseLabel_en-US" xlink:label="lab_currency_AllCurrenciesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">All Currencies [Domain]</link:label>
    <link:label id="lab_currency_AllCurrenciesDomain_label_en-US" xlink:label="lab_currency_AllCurrenciesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">All Currencies [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_currency_AllCurrenciesDomain" xlink:href="https://xbrl.sec.gov/currency/2024/currency-2024.xsd#currency_AllCurrenciesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_currency_AllCurrenciesDomain" xlink:to="lab_currency_AllCurrenciesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTable_9ee4c2b3-007b-450e-867f-d797cce02e34_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Changes in Value of Property, Plant, and Equipment [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTable_label_en-US" xlink:label="lab_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Changes in Value of Property, Plant, and Equipment [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Changes in Value of Property, Plant, and Equipment [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTable" xlink:to="lab_bsac_ScheduleOfChangesInValueOfPropertyPlantAndEquipmentTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInWorkingCapital_a99654d1-2313-4a5b-a2ca-18d64288809e_negatedLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">(Decrease)/increase of other assets and liabilities</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInWorkingCapital_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in working capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInWorkingCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:to="lab_ifrs-full_IncreaseDecreaseInWorkingCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PensionPlanAssets_9bcb4099-664e-41fe-b5c9-4eeed3c0a1eb_terseLabel_en-US" xlink:label="lab_bsac_PensionPlanAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension plan assets</link:label>
    <link:label id="lab_bsac_PensionPlanAssets_label_en-US" xlink:label="lab_bsac_PensionPlanAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Plan Assets</link:label>
    <link:label id="lab_bsac_PensionPlanAssets_documentation_en-US" xlink:label="lab_bsac_PensionPlanAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount refer to pension plan assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PensionPlanAssets" xlink:href="bsac-20251231.xsd#bsac_PensionPlanAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PensionPlanAssets" xlink:to="lab_bsac_PensionPlanAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OtherCreditAndAccountReceivableMember_79ee8035-263a-4fff-b23f-065e9827cbf7_terseLabel_en-US" xlink:label="lab_bsac_OtherCreditAndAccountReceivableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other credit and account receivable</link:label>
    <link:label id="lab_bsac_OtherCreditAndAccountReceivableMember_label_en-US" xlink:label="lab_bsac_OtherCreditAndAccountReceivableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Credit And Account Receivable [Member]</link:label>
    <link:label id="lab_bsac_OtherCreditAndAccountReceivableMember_documentation_en-US" xlink:label="lab_bsac_OtherCreditAndAccountReceivableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Credit And Account Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OtherCreditAndAccountReceivableMember" xlink:href="bsac-20251231.xsd#bsac_OtherCreditAndAccountReceivableMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OtherCreditAndAccountReceivableMember" xlink:to="lab_bsac_OtherCreditAndAccountReceivableMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ChileanFinancialInstitutionsMember_c0d4a7ac-b5a2-4cd6-b974-66b90beb570a_terseLabel_en-US" xlink:label="lab_bsac_ChileanFinancialInstitutionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans from chilean financial institutions</link:label>
    <link:label id="lab_bsac_ChileanFinancialInstitutionsMember_90b2414f-f203-4d38-9b90-ccbeb8445124_netLabel_en-US" xlink:label="lab_bsac_ChileanFinancialInstitutionsMember" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Chilean financial institutions</link:label>
    <link:label id="lab_bsac_ChileanFinancialInstitutionsMember_label_en-US" xlink:label="lab_bsac_ChileanFinancialInstitutionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">chilean Financial Institutions [Member]</link:label>
    <link:label id="lab_bsac_ChileanFinancialInstitutionsMember_documentation_en-US" xlink:label="lab_bsac_ChileanFinancialInstitutionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">chilean Financial Institutions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ChileanFinancialInstitutionsMember" xlink:href="bsac-20251231.xsd#bsac_ChileanFinancialInstitutionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ChileanFinancialInstitutionsMember" xlink:to="lab_bsac_ChileanFinancialInstitutionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncreaseTheReservesAndOtherRetainedProfitsOfTheBank_019bf898-bc73-7d9e-8d09-7693a07d8997_terseLabel_en-US" xlink:label="lab_bsac_IncreaseTheReservesAndOtherRetainedProfitsOfTheBank" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase the reserves and other retained profits of the bank</link:label>
    <link:label id="lab_bsac_IncreaseTheReservesAndOtherRetainedProfitsOfTheBank_label_en-US" xlink:label="lab_bsac_IncreaseTheReservesAndOtherRetainedProfitsOfTheBank" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase The Reserves And Other Retained Profits Of The Bank</link:label>
    <link:label id="lab_bsac_IncreaseTheReservesAndOtherRetainedProfitsOfTheBank_documentation_en-US" xlink:label="lab_bsac_IncreaseTheReservesAndOtherRetainedProfitsOfTheBank" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase The Reserves And Other Retained Profits Of The Bank</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncreaseTheReservesAndOtherRetainedProfitsOfTheBank" xlink:href="bsac-20251231.xsd#bsac_IncreaseTheReservesAndOtherRetainedProfitsOfTheBank"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncreaseTheReservesAndOtherRetainedProfitsOfTheBank" xlink:to="lab_bsac_IncreaseTheReservesAndOtherRetainedProfitsOfTheBank" xlink:type="arc" order="1"/>
    <link:label id="lab_country_MX_019c5842-c4db-7081-98b2-bf5c3ee71e83_terseLabel_en-US" xlink:label="lab_country_MX" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">M&#233;xico</link:label>
    <link:label id="lab_country_MX_label_en-US" xlink:label="lab_country_MX" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">MEXICO</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_MX" xlink:href="https://xbrl.sec.gov/country/2024/country-2024.xsd#country_MX"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_MX" xlink:to="lab_country_MX" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialDerivativeContractsWithoutCollateralAgreementMember_84d26f83-4c92-4c16-b68d-5f5cd2fbeba6_terseLabel_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsWithoutCollateralAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial derivative contracts without collateral agreement</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsWithoutCollateralAgreementMember_label_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsWithoutCollateralAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts Without Collateral Agreement [Member]</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsWithoutCollateralAgreementMember_documentation_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsWithoutCollateralAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts Without Collateral Agreement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialDerivativeContractsWithoutCollateralAgreementMember" xlink:href="bsac-20251231.xsd#bsac_FinancialDerivativeContractsWithoutCollateralAgreementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialDerivativeContractsWithoutCollateralAgreementMember" xlink:to="lab_bsac_FinancialDerivativeContractsWithoutCollateralAgreementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MacroeconomicMember_fdaaa8fc-5e8d-43d5-8157-48f0ec72f744_terseLabel_en-US" xlink:label="lab_bsac_MacroeconomicMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Macro Economic</link:label>
    <link:label id="lab_bsac_MacroeconomicMember_label_en-US" xlink:label="lab_bsac_MacroeconomicMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Macroeconomic [Member]</link:label>
    <link:label id="lab_bsac_MacroeconomicMember_documentation_en-US" xlink:label="lab_bsac_MacroeconomicMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for macroeconomic.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MacroeconomicMember" xlink:href="bsac-20251231.xsd#bsac_MacroeconomicMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MacroeconomicMember" xlink:to="lab_bsac_MacroeconomicMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BondIssuanceExpenses_9925a268-efb2-41e8-8064-8729714ff2e8_negatedLabel_en-US" xlink:label="lab_bsac_BondIssuanceExpenses" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Bond issuance expenses</link:label>
    <link:label id="lab_bsac_BondIssuanceExpenses_label_en-US" xlink:label="lab_bsac_BondIssuanceExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bond Issuance Expenses</link:label>
    <link:label id="lab_bsac_BondIssuanceExpenses_documentation_en-US" xlink:label="lab_bsac_BondIssuanceExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bond issuance expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BondIssuanceExpenses" xlink:href="bsac-20251231.xsd#bsac_BondIssuanceExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BondIssuanceExpenses" xlink:to="lab_bsac_BondIssuanceExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowHedgesMember_10996374-3147-4531-88c3-6a3e737a0168_verboseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowHedgesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash flow hedge derivatives</link:label>
    <link:label id="lab_ifrs-full_CashFlowHedgesMember_4c31b91b-6af4-4c98-849d-d46f347b7d89_terseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowHedgesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flow hedge</link:label>
    <link:label id="lab_ifrs-full_CashFlowHedgesMember_label_en-US" xlink:label="lab_ifrs-full_CashFlowHedgesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flow hedges [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowHedgesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowHedgesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowHedgesMember" xlink:to="lab_ifrs-full_CashFlowHedgesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EffectiveEquityIndicatorConsideringMinimumRequirementsConservationBufferAndAntiCyclicalBuffer_0102ab14-a2b9-4473-b098-9317e000bf18_terseLabel_en-US" xlink:label="lab_bsac_EffectiveEquityIndicatorConsideringMinimumRequirementsConservationBufferAndAntiCyclicalBuffer" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective equity indicator that the bank must meet, considering the minimum requirements, conservation buffer and anti-cyclical buffer</link:label>
    <link:label id="lab_bsac_EffectiveEquityIndicatorConsideringMinimumRequirementsConservationBufferAndAntiCyclicalBuffer_label_en-US" xlink:label="lab_bsac_EffectiveEquityIndicatorConsideringMinimumRequirementsConservationBufferAndAntiCyclicalBuffer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Equity Indicator Considering Minimum Requirements Conservation Buffer And Anti Cyclical Buffer</link:label>
    <link:label id="lab_bsac_EffectiveEquityIndicatorConsideringMinimumRequirementsConservationBufferAndAntiCyclicalBuffer_documentation_en-US" xlink:label="lab_bsac_EffectiveEquityIndicatorConsideringMinimumRequirementsConservationBufferAndAntiCyclicalBuffer" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage effective equity indicator that the bank must meet, considering the minimum requirements, conservation buffer and anti-cyclical buffer.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EffectiveEquityIndicatorConsideringMinimumRequirementsConservationBufferAndAntiCyclicalBuffer" xlink:href="bsac-20251231.xsd#bsac_EffectiveEquityIndicatorConsideringMinimumRequirementsConservationBufferAndAntiCyclicalBuffer"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EffectiveEquityIndicatorConsideringMinimumRequirementsConservationBufferAndAntiCyclicalBuffer" xlink:to="lab_bsac_EffectiveEquityIndicatorConsideringMinimumRequirementsConservationBufferAndAntiCyclicalBuffer" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TheBankOfNewYorkMellonMember_ad7f742d-f709-4208-9ec7-42573dc9549c_terseLabel_en-US" xlink:label="lab_bsac_TheBankOfNewYorkMellonMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">The Bank Of New York Mellon</link:label>
    <link:label id="lab_bsac_TheBankOfNewYorkMellonMember_label_en-US" xlink:label="lab_bsac_TheBankOfNewYorkMellonMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The Bank Of New York Mellon [Member]</link:label>
    <link:label id="lab_bsac_TheBankOfNewYorkMellonMember_documentation_en-US" xlink:label="lab_bsac_TheBankOfNewYorkMellonMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The Bank Of New York Mellon</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TheBankOfNewYorkMellonMember" xlink:href="bsac-20251231.xsd#bsac_TheBankOfNewYorkMellonMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TheBankOfNewYorkMellonMember" xlink:to="lab_bsac_TheBankOfNewYorkMellonMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialDerivativeContractsForHedgeAccountingMember_e5883486-1b33-4fd6-aa98-94e3fb1cc38a_terseLabel_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsForHedgeAccountingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial derivative contracts for hedge accounting</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsForHedgeAccountingMember_label_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsForHedgeAccountingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts For Hedge Accounting [Member]</link:label>
    <link:label id="lab_bsac_FinancialDerivativeContractsForHedgeAccountingMember_documentation_en-US" xlink:label="lab_bsac_FinancialDerivativeContractsForHedgeAccountingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Derivative Contracts For Hedge Accounting</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialDerivativeContractsForHedgeAccountingMember" xlink:href="bsac-20251231.xsd#bsac_FinancialDerivativeContractsForHedgeAccountingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialDerivativeContractsForHedgeAccountingMember" xlink:to="lab_bsac_FinancialDerivativeContractsForHedgeAccountingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileGroupITServicesMonthlyMember_019b9f64-bbc0-7c9e-8681-51ff98fcd320_terseLabel_en-US" xlink:label="lab_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileGroupITServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Global Technology and Operations Chile limitada| Chile| Group| IT Services| Monthly</link:label>
    <link:label id="lab_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileGroupITServicesMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileGroupITServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Global Technology and Operations Chile limitada| Chile| Group| IT Services| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileGroupITServicesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileGroupITServicesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Global Technology and Operations Chile limitada| Chile| Group| IT Services| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileGroupITServicesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileGroupITServicesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileGroupITServicesMonthlyMember" xlink:to="lab_bsac_SantanderGlobalTechnologyAndOperationsChileLimitadaChileGroupITServicesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TimeDepositsAndLiabilitiesMember_5676be19-2e21-4634-9337-62bd45fac5fd_terseLabel_en-US" xlink:label="lab_bsac_TimeDepositsAndLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Time deposits and liabilities</link:label>
    <link:label id="lab_bsac_TimeDepositsAndLiabilitiesMember_label_en-US" xlink:label="lab_bsac_TimeDepositsAndLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Time Deposits And Liabilities [Member]</link:label>
    <link:label id="lab_bsac_TimeDepositsAndLiabilitiesMember_documentation_en-US" xlink:label="lab_bsac_TimeDepositsAndLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about time deposits and liabilities member.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TimeDepositsAndLiabilitiesMember" xlink:href="bsac-20251231.xsd#bsac_TimeDepositsAndLiabilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TimeDepositsAndLiabilitiesMember" xlink:to="lab_bsac_TimeDepositsAndLiabilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ContingenciesAndCommitmentsTable_6b92b551-6c32-4644-8e58-8ad774df5f1c_terseLabel_en-US" xlink:label="lab_bsac_ContingenciesAndCommitmentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingencies and Commitments [Table]</link:label>
    <link:label id="lab_bsac_ContingenciesAndCommitmentsTable_label_en-US" xlink:label="lab_bsac_ContingenciesAndCommitmentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingencies and Commitments [Table]</link:label>
    <link:label id="lab_bsac_ContingenciesAndCommitmentsTable_documentation_en-US" xlink:label="lab_bsac_ContingenciesAndCommitmentsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingencies and Commitments [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ContingenciesAndCommitmentsTable" xlink:href="bsac-20251231.xsd#bsac_ContingenciesAndCommitmentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ContingenciesAndCommitmentsTable" xlink:to="lab_bsac_ContingenciesAndCommitmentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTableTextBlock_9e356b1d-d438-4644-bbb9-154c7d335ad3_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Portfolio of Financial Assets Derivative Contracts</link:label>
    <link:label id="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Portfolio Of Financial Assets Derivative Contracts [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of portfolio of financial assets derivative contracts.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTableTextBlock" xlink:to="lab_bsac_ScheduleOfPortfolioOfFinancialAssetsDerivativeContractsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_PercentageOfExpectedCreditLoss_96b6a981-5255-43f6-8a84-340f5c59d144_terseLabel_en-US" xlink:label="lab_bsac_PercentageOfExpectedCreditLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reported ECL Coverage</link:label>
    <link:label id="lab_bsac_PercentageOfExpectedCreditLoss_label_en-US" xlink:label="lab_bsac_PercentageOfExpectedCreditLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Expected Credit Loss</link:label>
    <link:label id="lab_bsac_PercentageOfExpectedCreditLoss_documentation_en-US" xlink:label="lab_bsac_PercentageOfExpectedCreditLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent percentage of expected credit loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_PercentageOfExpectedCreditLoss" xlink:href="bsac-20251231.xsd#bsac_PercentageOfExpectedCreditLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_PercentageOfExpectedCreditLoss" xlink:to="lab_bsac_PercentageOfExpectedCreditLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A12BSTD230822Member_019bf9b6-92af-7156-a185-f8605d129eca_terseLabel_en-US" xlink:label="lab_bsac_A12BSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">12BSTD230822</link:label>
    <link:label id="lab_bsac_A12BSTD230822Member_label_en-US" xlink:label="lab_bsac_A12BSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">12BSTD230822 [Member]</link:label>
    <link:label id="lab_bsac_A12BSTD230822Member_documentation_en-US" xlink:label="lab_bsac_A12BSTD230822Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">12BSTD230822</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A12BSTD230822Member" xlink:href="bsac-20251231.xsd#bsac_A12BSTD230822Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A12BSTD230822Member" xlink:to="lab_bsac_A12BSTD230822Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TierOneCapitalIndicator_d561ff34-6f8d-4453-83ff-69b369ffffa2_terseLabel_en-US" xlink:label="lab_bsac_TierOneCapitalIndicator" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tier 1 capital indicator (T1_I25/T1_I11,b)</link:label>
    <link:label id="lab_bsac_TierOneCapitalIndicator_label_en-US" xlink:label="lab_bsac_TierOneCapitalIndicator" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tier One Capital Indicator</link:label>
    <link:label id="lab_bsac_TierOneCapitalIndicator_documentation_en-US" xlink:label="lab_bsac_TierOneCapitalIndicator" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tier 1 capital indicator.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TierOneCapitalIndicator" xlink:href="bsac-20251231.xsd#bsac_TierOneCapitalIndicator"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TierOneCapitalIndicator" xlink:to="lab_bsac_TierOneCapitalIndicator" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AverageRemainingUsefulLife_9f7f802a-8629-448c-8b94-f9996ec28ac9_terseLabel_en-US" xlink:label="lab_bsac_AverageRemainingUsefulLife" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average remaining useful life</link:label>
    <link:label id="lab_bsac_AverageRemainingUsefulLife_label_en-US" xlink:label="lab_bsac_AverageRemainingUsefulLife" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average Remaining Useful Life</link:label>
    <link:label id="lab_bsac_AverageRemainingUsefulLife_documentation_en-US" xlink:label="lab_bsac_AverageRemainingUsefulLife" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about average remaining useful life.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AverageRemainingUsefulLife" xlink:href="bsac-20251231.xsd#bsac_AverageRemainingUsefulLife"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AverageRemainingUsefulLife" xlink:to="lab_bsac_AverageRemainingUsefulLife" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeExpenseFromFinancialOperationsAbstract_9b833629-4bbf-4cc8-a168-a904b0612f1d_terseLabel_en-US" xlink:label="lab_bsac_NetIncomeExpenseFromFinancialOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Income (Expense) from Financial Operations [Abstract]</link:label>
    <link:label id="lab_bsac_NetIncomeExpenseFromFinancialOperationsAbstract_label_en-US" xlink:label="lab_bsac_NetIncomeExpenseFromFinancialOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Expense) from Financial Operations [Abstract]</link:label>
    <link:label id="lab_bsac_NetIncomeExpenseFromFinancialOperationsAbstract_documentation_en-US" xlink:label="lab_bsac_NetIncomeExpenseFromFinancialOperationsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Income (Expense) from Financial Operations [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeExpenseFromFinancialOperationsAbstract" xlink:href="bsac-20251231.xsd#bsac_NetIncomeExpenseFromFinancialOperationsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomeExpenseFromFinancialOperationsAbstract" xlink:to="lab_bsac_NetIncomeExpenseFromFinancialOperationsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_65d6ea33-9e20-4db9-98e8-66a3c7ca9153_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Sale of investments</link:label>
    <link:label id="lab_ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities_label_en-US" xlink:label="lab_ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash flows from losing control of subsidiaries or other businesses, classified as investing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:to="lab_ifrs-full_CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialDerivativesContractsForHedgeAccountingAbstract_43fd4983-3ab3-4985-8be7-c6c7b99e381a_terseLabel_en-US" xlink:label="lab_bsac_FinancialDerivativesContractsForHedgeAccountingAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Derivatives Contracts for Hedge Accounting [Abstract]</link:label>
    <link:label id="lab_bsac_FinancialDerivativesContractsForHedgeAccountingAbstract_label_en-US" xlink:label="lab_bsac_FinancialDerivativesContractsForHedgeAccountingAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Derivatives Contracts for Hedge Accounting [Abstract]</link:label>
    <link:label id="lab_bsac_FinancialDerivativesContractsForHedgeAccountingAbstract_documentation_en-US" xlink:label="lab_bsac_FinancialDerivativesContractsForHedgeAccountingAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Derivatives Contracts for Hedge Accounting [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialDerivativesContractsForHedgeAccountingAbstract" xlink:href="bsac-20251231.xsd#bsac_FinancialDerivativesContractsForHedgeAccountingAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialDerivativesContractsForHedgeAccountingAbstract" xlink:to="lab_bsac_FinancialDerivativesContractsForHedgeAccountingAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DecreaseIncreaseOfObligationsUnderRepurchaseAgreementsInPesos_eaae3ae2-e542-49d0-ac09-f387cecc249c_terseLabel_en-US" xlink:label="lab_bsac_DecreaseIncreaseOfObligationsUnderRepurchaseAgreementsInPesos" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Decrease)/increase of obligations under repurchase agreements</link:label>
    <link:label id="lab_bsac_DecreaseIncreaseOfObligationsUnderRepurchaseAgreementsInPesos_label_en-US" xlink:label="lab_bsac_DecreaseIncreaseOfObligationsUnderRepurchaseAgreementsInPesos" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease Increase Of Obligations Under Repurchase Agreements, in Pesos</link:label>
    <link:label id="lab_bsac_DecreaseIncreaseOfObligationsUnderRepurchaseAgreementsInPesos_documentation_en-US" xlink:label="lab_bsac_DecreaseIncreaseOfObligationsUnderRepurchaseAgreementsInPesos" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information about adjustments for decrease increase in obligations under repurchase agreements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DecreaseIncreaseOfObligationsUnderRepurchaseAgreementsInPesos" xlink:href="bsac-20251231.xsd#bsac_DecreaseIncreaseOfObligationsUnderRepurchaseAgreementsInPesos"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DecreaseIncreaseOfObligationsUnderRepurchaseAgreementsInPesos" xlink:to="lab_bsac_DecreaseIncreaseOfObligationsUnderRepurchaseAgreementsInPesos" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_HedgedItemNetFlowsMember_e31d001d-692b-4018-a83d-dbbaa1651ed5_terseLabel_en-US" xlink:label="lab_bsac_HedgedItemNetFlowsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net flows</link:label>
    <link:label id="lab_bsac_HedgedItemNetFlowsMember_label_en-US" xlink:label="lab_bsac_HedgedItemNetFlowsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedged Item Net Flows [Member]</link:label>
    <link:label id="lab_bsac_HedgedItemNetFlowsMember_documentation_en-US" xlink:label="lab_bsac_HedgedItemNetFlowsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hedged Item Net Flows</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_HedgedItemNetFlowsMember" xlink:href="bsac-20251231.xsd#bsac_HedgedItemNetFlowsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_HedgedItemNetFlowsMember" xlink:to="lab_bsac_HedgedItemNetFlowsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EmployeeBenefitsStockBasedBenefitsExpense_5d2bcd06-8391-4812-ba04-6a5e697b3b87_negatedNetLabel_en-US" xlink:label="lab_bsac_EmployeeBenefitsStockBasedBenefitsExpense" xlink:role="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="resource" xml:lang="en-US">Stock-based benefits</link:label>
    <link:label id="lab_bsac_EmployeeBenefitsStockBasedBenefitsExpense_label_en-US" xlink:label="lab_bsac_EmployeeBenefitsStockBasedBenefitsExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Benefits Stock Based Benefits Expense</link:label>
    <link:label id="lab_bsac_EmployeeBenefitsStockBasedBenefitsExpense_documentation_en-US" xlink:label="lab_bsac_EmployeeBenefitsStockBasedBenefitsExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The expense of stock-based benefits form of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EmployeeBenefitsStockBasedBenefitsExpense" xlink:href="bsac-20251231.xsd#bsac_EmployeeBenefitsStockBasedBenefitsExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EmployeeBenefitsStockBasedBenefitsExpense" xlink:to="lab_bsac_EmployeeBenefitsStockBasedBenefitsExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ManagerMember_b58544a1-1f9d-442b-88bf-e7776cc02f37_terseLabel_en-US" xlink:label="lab_bsac_ManagerMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Manager</link:label>
    <link:label id="lab_bsac_ManagerMember_label_en-US" xlink:label="lab_bsac_ManagerMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Manager [Member]</link:label>
    <link:label id="lab_bsac_ManagerMember_documentation_en-US" xlink:label="lab_bsac_ManagerMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Person serving on the board of directors.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ManagerMember" xlink:href="bsac-20251231.xsd#bsac_ManagerMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ManagerMember" xlink:to="lab_bsac_ManagerMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_IncomeFromRecoveryTaxAndExpenses_a783d424-dd0f-4f4b-94c7-5cda3f782201_terseLabel_en-US" xlink:label="lab_bsac_IncomeFromRecoveryTaxAndExpenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income from recovery tax and expenses</link:label>
    <link:label id="lab_bsac_IncomeFromRecoveryTaxAndExpenses_label_en-US" xlink:label="lab_bsac_IncomeFromRecoveryTaxAndExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income From Recovery Tax And Expenses</link:label>
    <link:label id="lab_bsac_IncomeFromRecoveryTaxAndExpenses_documentation_en-US" xlink:label="lab_bsac_IncomeFromRecoveryTaxAndExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of income from recovery tax and expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_IncomeFromRecoveryTaxAndExpenses" xlink:href="bsac-20251231.xsd#bsac_IncomeFromRecoveryTaxAndExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_IncomeFromRecoveryTaxAndExpenses" xlink:to="lab_bsac_IncomeFromRecoveryTaxAndExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SantanderChileHoldingS.A.ChileGroupLeasesMonthlyMember_019b9f64-bbc0-73d9-bda3-159690318b4d_terseLabel_en-US" xlink:label="lab_bsac_SantanderChileHoldingS.A.ChileGroupLeasesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Santander Chile Holding S.A.| Chile| Group| Leases| Monthly</link:label>
    <link:label id="lab_bsac_SantanderChileHoldingS.A.ChileGroupLeasesMonthlyMember_label_en-US" xlink:label="lab_bsac_SantanderChileHoldingS.A.ChileGroupLeasesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Santander Chile Holding S.A.| Chile| Group| Leases| Monthly [Member]</link:label>
    <link:label id="lab_bsac_SantanderChileHoldingS.A.ChileGroupLeasesMonthlyMember_documentation_en-US" xlink:label="lab_bsac_SantanderChileHoldingS.A.ChileGroupLeasesMonthlyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Santander Chile Holding S.A.| Chile| Group| Leases| Monthly</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SantanderChileHoldingS.A.ChileGroupLeasesMonthlyMember" xlink:href="bsac-20251231.xsd#bsac_SantanderChileHoldingS.A.ChileGroupLeasesMonthlyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SantanderChileHoldingS.A.ChileGroupLeasesMonthlyMember" xlink:to="lab_bsac_SantanderChileHoldingS.A.ChileGroupLeasesMonthlyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfSeniorBondsByCurrencyTable_f1bdf875-1520-48b6-87ca-160134d152d4_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfSeniorBondsByCurrencyTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Senior Bonds by Currency [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfSeniorBondsByCurrencyTable_label_en-US" xlink:label="lab_bsac_ScheduleOfSeniorBondsByCurrencyTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Senior Bonds by Currency [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfSeniorBondsByCurrencyTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfSeniorBondsByCurrencyTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Senior Bonds by Currency [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfSeniorBondsByCurrencyTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfSeniorBondsByCurrencyTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfSeniorBondsByCurrencyTable" xlink:to="lab_bsac_ScheduleOfSeniorBondsByCurrencyTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsAndFinancialLiabilitiesExplanatory_8014f1c0-28be-42a1-9f4f-c07efe6883dd_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsAndFinancialLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity of Financial Assets and Liabilities</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsAndFinancialLiabilitiesExplanatory_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsAndFinancialLiabilitiesExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of offsetting of financial assets and financial liabilities [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsAndFinancialLiabilitiesExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfOffsettingOfFinancialAssetsAndFinancialLiabilitiesExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsAndFinancialLiabilitiesExplanatory" xlink:to="lab_ifrs-full_DisclosureOfOffsettingOfFinancialAssetsAndFinancialLiabilitiesExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CashAndDepositsInBanksAbstract_b9bcacfa-a3ca-41db-91ca-12725427e08b_terseLabel_en-US" xlink:label="lab_bsac_CashAndDepositsInBanksAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and deposits in banks</link:label>
    <link:label id="lab_bsac_CashAndDepositsInBanksAbstract_label_en-US" xlink:label="lab_bsac_CashAndDepositsInBanksAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash And Deposits In Banks Abstract</link:label>
    <link:label id="lab_bsac_CashAndDepositsInBanksAbstract_documentation_en-US" xlink:label="lab_bsac_CashAndDepositsInBanksAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash And Deposits In Banks Abstract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CashAndDepositsInBanksAbstract" xlink:href="bsac-20251231.xsd#bsac_CashAndDepositsInBanksAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CashAndDepositsInBanksAbstract" xlink:to="lab_bsac_CashAndDepositsInBanksAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_AccruedDueToUF_cfc5d09f-7963-4836-9194-bc5ddb689f0e_terseLabel_en-US" xlink:label="lab_bsac_AccruedDueToUF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued due to UF</link:label>
    <link:label id="lab_bsac_AccruedDueToUF_label_en-US" xlink:label="lab_bsac_AccruedDueToUF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Due To UF</link:label>
    <link:label id="lab_bsac_AccruedDueToUF_documentation_en-US" xlink:label="lab_bsac_AccruedDueToUF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of readjustments accrued exchange rate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_AccruedDueToUF" xlink:href="bsac-20251231.xsd#bsac_AccruedDueToUF"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_AccruedDueToUF" xlink:to="lab_bsac_AccruedDueToUF" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MachinesAndGeneralEquipmentMember_019b9e4c-452c-7fa7-abc0-dcc9cc767a90_terseLabel_en-US" xlink:label="lab_bsac_MachinesAndGeneralEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Machines and general equipment</link:label>
    <link:label id="lab_bsac_MachinesAndGeneralEquipmentMember_label_en-US" xlink:label="lab_bsac_MachinesAndGeneralEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Machines and general equipment [Member]</link:label>
    <link:label id="lab_bsac_MachinesAndGeneralEquipmentMember_documentation_en-US" xlink:label="lab_bsac_MachinesAndGeneralEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Machines and general equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MachinesAndGeneralEquipmentMember" xlink:href="bsac-20251231.xsd#bsac_MachinesAndGeneralEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MachinesAndGeneralEquipmentMember" xlink:to="lab_bsac_MachinesAndGeneralEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ShorttermBorrowings_3119b0f6-534f-40f4-8908-278cbef1dd6a_totalLabel_en-US" xlink:label="lab_ifrs-full_ShorttermBorrowings" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_ShorttermBorrowings_label_en-US" xlink:label="lab_ifrs-full_ShorttermBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ShorttermBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ShorttermBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ShorttermBorrowings" xlink:to="lab_ifrs-full_ShorttermBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NoncurrentPortionOfOtherNoncurrentBorrowings_cd3797a0-891a-4eb4-8cbd-edb71cd08d13_terseLabel_en-US" xlink:label="lab_ifrs-full_NoncurrentPortionOfOtherNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non- current portion</link:label>
    <link:label id="lab_ifrs-full_NoncurrentPortionOfOtherNoncurrentBorrowings_label_en-US" xlink:label="lab_ifrs-full_NoncurrentPortionOfOtherNoncurrentBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-current portion of other non-current borrowings</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NoncurrentPortionOfOtherNoncurrentBorrowings" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NoncurrentPortionOfOtherNoncurrentBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NoncurrentPortionOfOtherNoncurrentBorrowings" xlink:to="lab_ifrs-full_NoncurrentPortionOfOtherNoncurrentBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SummaryofSignificantAccountingPoliciesDetailsScheduleofUsefulLivesforTangibleAssetsLineItems_f74e17b3-c548-4356-8f90-badc87599174_terseLabel_en-US" xlink:label="lab_bsac_SummaryofSignificantAccountingPoliciesDetailsScheduleofUsefulLivesforTangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Useful Lives for Tangible Assets [Line Items]</link:label>
    <link:label id="lab_bsac_SummaryofSignificantAccountingPoliciesDetailsScheduleofUsefulLivesforTangibleAssetsLineItems_label_en-US" xlink:label="lab_bsac_SummaryofSignificantAccountingPoliciesDetailsScheduleofUsefulLivesforTangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Useful Lives for Tangible Assets [Line Items]</link:label>
    <link:label id="lab_bsac_SummaryofSignificantAccountingPoliciesDetailsScheduleofUsefulLivesforTangibleAssetsLineItems_documentation_en-US" xlink:label="lab_bsac_SummaryofSignificantAccountingPoliciesDetailsScheduleofUsefulLivesforTangibleAssetsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Useful Lives for Tangible Assets [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SummaryofSignificantAccountingPoliciesDetailsScheduleofUsefulLivesforTangibleAssetsLineItems" xlink:href="bsac-20251231.xsd#bsac_SummaryofSignificantAccountingPoliciesDetailsScheduleofUsefulLivesforTangibleAssetsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SummaryofSignificantAccountingPoliciesDetailsScheduleofUsefulLivesforTangibleAssetsLineItems" xlink:to="lab_bsac_SummaryofSignificantAccountingPoliciesDetailsScheduleofUsefulLivesforTangibleAssetsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_GeneralAndAdministrativeExpense_0e38bcbd-8d7b-42ef-92a3-0e13c867c5d2_negatedLabel_en-US" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Personnel salaries and expenses</link:label>
    <link:label id="lab_ifrs-full_GeneralAndAdministrativeExpense_label_en-US" xlink:label="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General and administrative expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_GeneralAndAdministrativeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_GeneralAndAdministrativeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_GeneralAndAdministrativeExpense" xlink:to="lab_ifrs-full_GeneralAndAdministrativeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherCurrentAssets_50005063-64e4-4128-8cff-b6ee2882ec0d_terseLabel_en-US" xlink:label="lab_ifrs-full_OtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt financial instruments</link:label>
    <link:label id="lab_ifrs-full_OtherCurrentAssets_label_en-US" xlink:label="lab_ifrs-full_OtherCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other current assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherCurrentAssets" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherCurrentAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherCurrentAssets" xlink:to="lab_ifrs-full_OtherCurrentAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FundsReceivable_7745bbdd-fb97-4877-8a12-e20476154868_terseLabel_en-US" xlink:label="lab_bsac_FundsReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Funds receivable</link:label>
    <link:label id="lab_bsac_FundsReceivable_label_en-US" xlink:label="lab_bsac_FundsReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Funds Receivable</link:label>
    <link:label id="lab_bsac_FundsReceivable_documentation_en-US" xlink:label="lab_bsac_FundsReceivable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Funds Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FundsReceivable" xlink:href="bsac-20251231.xsd#bsac_FundsReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FundsReceivable" xlink:to="lab_bsac_FundsReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BancoSantanderHongKongMember_0e114ae5-55fc-4734-9f79-5dd9fabfb3e9_terseLabel_en-US" xlink:label="lab_bsac_BancoSantanderHongKongMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Banco Santander Hong Kong</link:label>
    <link:label id="lab_bsac_BancoSantanderHongKongMember_label_en-US" xlink:label="lab_bsac_BancoSantanderHongKongMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Banco Santander Hong Kong [Member]</link:label>
    <link:label id="lab_bsac_BancoSantanderHongKongMember_documentation_en-US" xlink:label="lab_bsac_BancoSantanderHongKongMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Banco Santander Hong Kong</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BancoSantanderHongKongMember" xlink:href="bsac-20251231.xsd#bsac_BancoSantanderHongKongMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BancoSantanderHongKongMember" xlink:to="lab_bsac_BancoSantanderHongKongMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ValueAddedTaxReceivables_a29e1a9e-4be4-4b6b-ac04-07c661f80276_terseLabel_en-US" xlink:label="lab_ifrs-full_ValueAddedTaxReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">VAT credit</link:label>
    <link:label id="lab_ifrs-full_ValueAddedTaxReceivables_label_en-US" xlink:label="lab_ifrs-full_ValueAddedTaxReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Value added tax receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ValueAddedTaxReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_ValueAddedTaxReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ValueAddedTaxReceivables" xlink:to="lab_ifrs-full_ValueAddedTaxReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IssuedCapitalMember_f55929ee-e1c5-4171-ab0f-e1a69f79d8d2_terseLabel_en-US" xlink:label="lab_ifrs-full_IssuedCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital</link:label>
    <link:label id="lab_ifrs-full_IssuedCapitalMember_label_en-US" xlink:label="lab_ifrs-full_IssuedCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issued capital [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IssuedCapitalMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IssuedCapitalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IssuedCapitalMember" xlink:to="lab_ifrs-full_IssuedCapitalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFiscalYearFocus_3d91a50c-9158-45d8-a739-d26a21f592ca_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalYearFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFiscalYearFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus" xlink:to="lab_dei_DocumentFiscalYearFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ExpensesForLeasedAssetsRecoveries_26f10979-dc44-4a3c-bc9e-1252943de08a_negatedLabel_en-US" xlink:label="lab_bsac_ExpensesForLeasedAssetsRecoveries" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Expenses associated leasing operations</link:label>
    <link:label id="lab_bsac_ExpensesForLeasedAssetsRecoveries_label_en-US" xlink:label="lab_bsac_ExpensesForLeasedAssetsRecoveries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expenses For Leased Assets Recoveries</link:label>
    <link:label id="lab_bsac_ExpensesForLeasedAssetsRecoveries_documentation_en-US" xlink:label="lab_bsac_ExpensesForLeasedAssetsRecoveries" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expenses for leased assets recoveries.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ExpensesForLeasedAssetsRecoveries" xlink:href="bsac-20251231.xsd#bsac_ExpensesForLeasedAssetsRecoveries"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ExpensesForLeasedAssetsRecoveries" xlink:to="lab_bsac_ExpensesForLeasedAssetsRecoveries" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FeeAndCommissionIncomeExpense_75764d9d-f50b-4cf9-8e46-90ee669c30c9_totalLabel_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net fee and commission income</link:label>
    <link:label id="lab_ifrs-full_FeeAndCommissionIncomeExpense_407a46f8-aa9d-4bd9-b4b8-36d54e6756c5_verboseLabel_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fee and commission income and expenses</link:label>
    <link:label id="lab_ifrs-full_FeeAndCommissionIncomeExpense_label_en-US" xlink:label="lab_ifrs-full_FeeAndCommissionIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fee and commission income (expense)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FeeAndCommissionIncomeExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FeeAndCommissionIncomeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FeeAndCommissionIncomeExpense" xlink:to="lab_ifrs-full_FeeAndCommissionIncomeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_OthersAssetsMember_ba9514f3-f98b-4eba-b473-f3d0314ab1ad_terseLabel_en-US" xlink:label="lab_bsac_OthersAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others assets</link:label>
    <link:label id="lab_bsac_OthersAssetsMember_label_en-US" xlink:label="lab_bsac_OthersAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Others Assets [Member]</link:label>
    <link:label id="lab_bsac_OthersAssetsMember_documentation_en-US" xlink:label="lab_bsac_OthersAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Others Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_OthersAssetsMember" xlink:href="bsac-20251231.xsd#bsac_OthersAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_OthersAssetsMember" xlink:to="lab_bsac_OthersAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TheBankNewYorkMellonMember_9916a67c-c6d9-49fa-b801-e76fe01c2975_terseLabel_en-US" xlink:label="lab_bsac_TheBankNewYorkMellonMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">The Bank New York Mellon</link:label>
    <link:label id="lab_bsac_TheBankNewYorkMellonMember_label_en-US" xlink:label="lab_bsac_TheBankNewYorkMellonMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The Bank New York Mellon [Member]</link:label>
    <link:label id="lab_bsac_TheBankNewYorkMellonMember_documentation_en-US" xlink:label="lab_bsac_TheBankNewYorkMellonMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Categories of related parties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TheBankNewYorkMellonMember" xlink:href="bsac-20251231.xsd#bsac_TheBankNewYorkMellonMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TheBankNewYorkMellonMember" xlink:to="lab_bsac_TheBankNewYorkMellonMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EquityInstrumentsAtFairValueThroughOtherComprehensiveIncome_9b611cf2-891b-4c5a-82d6-32a9de7b5923_terseLabel_en-US" xlink:label="lab_bsac_EquityInstrumentsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other financial instruments</link:label>
    <link:label id="lab_bsac_EquityInstrumentsAtFairValueThroughOtherComprehensiveIncome_label_en-US" xlink:label="lab_bsac_EquityInstrumentsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Instruments At Fair Value Through Other Comprehensive Income</link:label>
    <link:label id="lab_bsac_EquityInstrumentsAtFairValueThroughOtherComprehensiveIncome_documentation_en-US" xlink:label="lab_bsac_EquityInstrumentsAtFairValueThroughOtherComprehensiveIncome" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount refers to equity instruments at fair value through other comprehensive income.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EquityInstrumentsAtFairValueThroughOtherComprehensiveIncome" xlink:href="bsac-20251231.xsd#bsac_EquityInstrumentsAtFairValueThroughOtherComprehensiveIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EquityInstrumentsAtFairValueThroughOtherComprehensiveIncome" xlink:to="lab_bsac_EquityInstrumentsAtFairValueThroughOtherComprehensiveIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DebtSecuritiesNonCurrent_6aa0b3c5-ef43-4024-8bc1-ac48cf9b6391_terseLabel_en-US" xlink:label="lab_bsac_DebtSecuritiesNonCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total non current</link:label>
    <link:label id="lab_bsac_DebtSecuritiesNonCurrent_label_en-US" xlink:label="lab_bsac_DebtSecuritiesNonCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities Non Current</link:label>
    <link:label id="lab_bsac_DebtSecuritiesNonCurrent_documentation_en-US" xlink:label="lab_bsac_DebtSecuritiesNonCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of instruments issued by the entity that represent indebtedness.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DebtSecuritiesNonCurrent" xlink:href="bsac-20251231.xsd#bsac_DebtSecuritiesNonCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DebtSecuritiesNonCurrent" xlink:to="lab_bsac_DebtSecuritiesNonCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfExpectedCreditLossesTableTextBlock_d2da4e07-46b1-459e-838a-c111fb506664_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfExpectedCreditLossesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Allowance by Stage Recorded at Income Statements</link:label>
    <link:label id="lab_bsac_ScheduleOfExpectedCreditLossesTableTextBlock_label_en-US" xlink:label="lab_bsac_ScheduleOfExpectedCreditLossesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Expected Credit Losses [Table Text Block]</link:label>
    <link:label id="lab_bsac_ScheduleOfExpectedCreditLossesTableTextBlock_documentation_en-US" xlink:label="lab_bsac_ScheduleOfExpectedCreditLossesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure for expected credit losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfExpectedCreditLossesTableTextBlock" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfExpectedCreditLossesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfExpectedCreditLossesTableTextBlock" xlink:to="lab_bsac_ScheduleOfExpectedCreditLossesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_EmployeeBenefitsBonusesOrGgratificationsExpense_84f06d10-65ef-4266-8bc2-e4a19601ebad_negatedLabel_en-US" xlink:label="lab_bsac_EmployeeBenefitsBonusesOrGgratificationsExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Short-term bonuses</link:label>
    <link:label id="lab_bsac_EmployeeBenefitsBonusesOrGgratificationsExpense_label_en-US" xlink:label="lab_bsac_EmployeeBenefitsBonusesOrGgratificationsExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Benefits Bonuses Or Ggratifications Expense</link:label>
    <link:label id="lab_bsac_EmployeeBenefitsBonusesOrGgratificationsExpense_documentation_en-US" xlink:label="lab_bsac_EmployeeBenefitsBonusesOrGgratificationsExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The expense of bonuses or gratifications form of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_EmployeeBenefitsBonusesOrGgratificationsExpense" xlink:href="bsac-20251231.xsd#bsac_EmployeeBenefitsBonusesOrGgratificationsExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_EmployeeBenefitsBonusesOrGgratificationsExpense" xlink:to="lab_bsac_EmployeeBenefitsBonusesOrGgratificationsExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FinancialAssetsAtAmortizedCostSoldInThePeriod_117a0761-31d2-4631-bd67-da585d6a0a5e_terseLabel_en-US" xlink:label="lab_bsac_FinancialAssetsAtAmortizedCostSoldInThePeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income from non-current assets and groups available for sale not admissible as discontinued operations</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtAmortizedCostSoldInThePeriod_label_en-US" xlink:label="lab_bsac_FinancialAssetsAtAmortizedCostSoldInThePeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Assets At Amortized Cost, Sold In The Period</link:label>
    <link:label id="lab_bsac_FinancialAssetsAtAmortizedCostSoldInThePeriod_documentation_en-US" xlink:label="lab_bsac_FinancialAssetsAtAmortizedCostSoldInThePeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Assets At Amortized Cost, Sold In The Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FinancialAssetsAtAmortizedCostSoldInThePeriod" xlink:href="bsac-20251231.xsd#bsac_FinancialAssetsAtAmortizedCostSoldInThePeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FinancialAssetsAtAmortizedCostSoldInThePeriod" xlink:to="lab_bsac_FinancialAssetsAtAmortizedCostSoldInThePeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CreditSpreadMember_1b80f375-fc55-4f6b-bf22-47a155c1bf5c_terseLabel_en-US" xlink:label="lab_bsac_CreditSpreadMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit spread</link:label>
    <link:label id="lab_bsac_CreditSpreadMember_label_en-US" xlink:label="lab_bsac_CreditSpreadMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit spread [Member]</link:label>
    <link:label id="lab_bsac_CreditSpreadMember_documentation_en-US" xlink:label="lab_bsac_CreditSpreadMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit spread</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CreditSpreadMember" xlink:href="bsac-20251231.xsd#bsac_CreditSpreadMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CreditSpreadMember" xlink:to="lab_bsac_CreditSpreadMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_ScheduleOfNonControllingInterestIncludedInTheEquityAndTheIncomeTable_ed888928-3fc5-4d1a-94bb-588a6fb7e537_terseLabel_en-US" xlink:label="lab_bsac_ScheduleOfNonControllingInterestIncludedInTheEquityAndTheIncomeTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Non-Controlling Interest Included in the Equity and the Income [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfNonControllingInterestIncludedInTheEquityAndTheIncomeTable_label_en-US" xlink:label="lab_bsac_ScheduleOfNonControllingInterestIncludedInTheEquityAndTheIncomeTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Non-Controlling Interest Included in the Equity and the Income [Table]</link:label>
    <link:label id="lab_bsac_ScheduleOfNonControllingInterestIncludedInTheEquityAndTheIncomeTable_documentation_en-US" xlink:label="lab_bsac_ScheduleOfNonControllingInterestIncludedInTheEquityAndTheIncomeTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of Non-Controlling Interest Included in the Equity and the Income [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_ScheduleOfNonControllingInterestIncludedInTheEquityAndTheIncomeTable" xlink:href="bsac-20251231.xsd#bsac_ScheduleOfNonControllingInterestIncludedInTheEquityAndTheIncomeTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_ScheduleOfNonControllingInterestIncludedInTheEquityAndTheIncomeTable" xlink:to="lab_bsac_ScheduleOfNonControllingInterestIncludedInTheEquityAndTheIncomeTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory_a856d9d1-9b7c-4129-8d0e-5e9302502414_terseLabel_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recognising income and expenses</link:label>
    <link:label id="lab_ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory_label_en-US" xlink:label="lab_ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of accounting policy for interest income and expense [text block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory" xlink:to="lab_ifrs-full_DescriptionOfAccountingPolicyForInterestIncomeAndExpenseExplanatory" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations_11d47ac5-6d10-45f3-aa09-31e7d3b81c5d_terseLabel_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic earnings (in Pesos per share)</link:label>
    <link:label id="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations_label_en-US" xlink:label="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basic earnings (loss) per share from continuing operations</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_BasicEarningsLossPerShareFromContinuingOperations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:to="lab_ifrs-full_BasicEarningsLossPerShareFromContinuingOperations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_MarketRiskWeightedAssetsMRWA_3a071815-b0f7-49bb-a679-0641f83666d1_terseLabel_en-US" xlink:label="lab_bsac_MarketRiskWeightedAssetsMRWA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Market Risk Weighted Assets (MRWA)</link:label>
    <link:label id="lab_bsac_MarketRiskWeightedAssetsMRWA_label_en-US" xlink:label="lab_bsac_MarketRiskWeightedAssetsMRWA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market Risk Weighted Assets MRWA</link:label>
    <link:label id="lab_bsac_MarketRiskWeightedAssetsMRWA_documentation_en-US" xlink:label="lab_bsac_MarketRiskWeightedAssetsMRWA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of market risk weighted assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_MarketRiskWeightedAssetsMRWA" xlink:href="bsac-20251231.xsd#bsac_MarketRiskWeightedAssetsMRWA"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_MarketRiskWeightedAssetsMRWA" xlink:to="lab_bsac_MarketRiskWeightedAssetsMRWA" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DueAfterOneYearButWithinTwoYearsMember_d02fd519-4927-460a-a09a-91cdc6832e32_verboseLabel_en-US" xlink:label="lab_bsac_DueAfterOneYearButWithinTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Due after 1 year but within 2 years</link:label>
    <link:label id="lab_bsac_DueAfterOneYearButWithinTwoYearsMember_label_en-US" xlink:label="lab_bsac_DueAfterOneYearButWithinTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due After One Year But Within Two Years [Member]</link:label>
    <link:label id="lab_bsac_DueAfterOneYearButWithinTwoYearsMember_documentation_en-US" xlink:label="lab_bsac_DueAfterOneYearButWithinTwoYearsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Due After One Year But Within Two Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DueAfterOneYearButWithinTwoYearsMember" xlink:href="bsac-20251231.xsd#bsac_DueAfterOneYearButWithinTwoYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DueAfterOneYearButWithinTwoYearsMember" xlink:to="lab_bsac_DueAfterOneYearButWithinTwoYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_FinancialGuaranteeContractsMember_577e0add-649d-49db-ab35-cf2af51b801f_terseLabel_en-US" xlink:label="lab_ifrs-full_FinancialGuaranteeContractsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Contract Guarantees</link:label>
    <link:label id="lab_ifrs-full_FinancialGuaranteeContractsMember_label_en-US" xlink:label="lab_ifrs-full_FinancialGuaranteeContractsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial guarantee contracts [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_FinancialGuaranteeContractsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_FinancialGuaranteeContractsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_FinancialGuaranteeContractsMember" xlink:to="lab_ifrs-full_FinancialGuaranteeContractsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_TotalTimeDepositsAndOtherTimeLiabilities_db4c13ce-9469-4110-85d1-a9d778e88bd1_totalLabel_en-US" xlink:label="lab_bsac_TotalTimeDepositsAndOtherTimeLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_TotalTimeDepositsAndOtherTimeLiabilities_label_en-US" xlink:label="lab_bsac_TotalTimeDepositsAndOtherTimeLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Time Deposits And Other Time Liabilities</link:label>
    <link:label id="lab_bsac_TotalTimeDepositsAndOtherTimeLiabilities_documentation_en-US" xlink:label="lab_bsac_TotalTimeDepositsAndOtherTimeLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total of time deposits and other time liabilities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_TotalTimeDepositsAndOtherTimeLiabilities" xlink:href="bsac-20251231.xsd#bsac_TotalTimeDepositsAndOtherTimeLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_TotalTimeDepositsAndOtherTimeLiabilities" xlink:to="lab_bsac_TotalTimeDepositsAndOtherTimeLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_InterestExpenseAndInflation_7673a6a4-4bdd-43dc-b6dd-d5a9fd5eefff_negatedLabel_en-US" xlink:label="lab_bsac_InterestExpenseAndInflation" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest expense and inflation</link:label>
    <link:label id="lab_bsac_InterestExpenseAndInflation_3bd5e805-795d-4027-a370-e133acdad372_negatedTotalLabel_en-US" xlink:label="lab_bsac_InterestExpenseAndInflation" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_bsac_InterestExpenseAndInflation_label_en-US" xlink:label="lab_bsac_InterestExpenseAndInflation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense And Inflation</link:label>
    <link:label id="lab_bsac_InterestExpenseAndInflation_documentation_en-US" xlink:label="lab_bsac_InterestExpenseAndInflation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest expense and inflation.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_InterestExpenseAndInflation" xlink:href="bsac-20251231.xsd#bsac_InterestExpenseAndInflation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_InterestExpenseAndInflation" xlink:to="lab_bsac_InterestExpenseAndInflation" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_MortgagesMember_a9c37deb-843d-4627-8e47-21214bdb4ef1_terseLabel_en-US" xlink:label="lab_ifrs-full_MortgagesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage loans</link:label>
    <link:label id="lab_ifrs-full_MortgagesMember_b968b46b-8008-449c-89c0-ea0a6ada7bee_verboseLabel_en-US" xlink:label="lab_ifrs-full_MortgagesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Mortgage</link:label>
    <link:label id="lab_ifrs-full_MortgagesMember_label_en-US" xlink:label="lab_ifrs-full_MortgagesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgages [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_MortgagesMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_MortgagesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_MortgagesMember" xlink:to="lab_ifrs-full_MortgagesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_A0XBSTDBA0225Member_019bf9b7-8d4f-75d5-9453-865c8ef6cd94_terseLabel_en-US" xlink:label="lab_bsac_A0XBSTDBA0225Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">0XBSTDBA0225</link:label>
    <link:label id="lab_bsac_A0XBSTDBA0225Member_label_en-US" xlink:label="lab_bsac_A0XBSTDBA0225Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">0XBSTDBA0225 [Member]</link:label>
    <link:label id="lab_bsac_A0XBSTDBA0225Member_documentation_en-US" xlink:label="lab_bsac_A0XBSTDBA0225Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">0XBSTDBA0225</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_A0XBSTDBA0225Member" xlink:href="bsac-20251231.xsd#bsac_A0XBSTDBA0225Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_A0XBSTDBA0225Member" xlink:to="lab_bsac_A0XBSTDBA0225Member" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCurrentReportingStatus_a889761c-3d98-445c-947b-7439aa87eea6_terseLabel_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:label id="lab_dei_EntityCurrentReportingStatus_label_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCurrentReportingStatus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCurrentReportingStatus" xlink:to="lab_dei_EntityCurrentReportingStatus" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_OtherFeeAndCommissionExpense_8c20f008-d1f8-494e-858c-0915d67a5cb5_negatedTerseLabel_en-US" xlink:label="lab_ifrs-full_OtherFeeAndCommissionExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Other fees</link:label>
    <link:label id="lab_ifrs-full_OtherFeeAndCommissionExpense_label_en-US" xlink:label="lab_ifrs-full_OtherFeeAndCommissionExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other fee and commission expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_OtherFeeAndCommissionExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_OtherFeeAndCommissionExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_OtherFeeAndCommissionExpense" xlink:to="lab_ifrs-full_OtherFeeAndCommissionExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CheckingAccountsDebtorsMember_c7c6c813-ab44-4da4-82c1-e1a911b32f68_terseLabel_en-US" xlink:label="lab_bsac_CheckingAccountsDebtorsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Checking accounts debtors</link:label>
    <link:label id="lab_bsac_CheckingAccountsDebtorsMember_label_en-US" xlink:label="lab_bsac_CheckingAccountsDebtorsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Checking Accounts Debtors [Member]</link:label>
    <link:label id="lab_bsac_CheckingAccountsDebtorsMember_documentation_en-US" xlink:label="lab_bsac_CheckingAccountsDebtorsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Checking Accounts Debtors</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CheckingAccountsDebtorsMember" xlink:href="bsac-20251231.xsd#bsac_CheckingAccountsDebtorsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CheckingAccountsDebtorsMember" xlink:to="lab_bsac_CheckingAccountsDebtorsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities_b1b1d129-7a58-4eff-a61a-4fac31510783_terseLabel_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities_label_en-US" xlink:label="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest paid, classified as financing activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_InterestPaidClassifiedAsFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:to="lab_ifrs-full_InterestPaidClassifiedAsFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_StateBankOfIndiaMember_99edad32-18ad-47f2-9a30-8eb750a2c504_terseLabel_en-US" xlink:label="lab_bsac_StateBankOfIndiaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">State Bank Of India</link:label>
    <link:label id="lab_bsac_StateBankOfIndiaMember_label_en-US" xlink:label="lab_bsac_StateBankOfIndiaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">State Bank Of India [Member]</link:label>
    <link:label id="lab_bsac_StateBankOfIndiaMember_documentation_en-US" xlink:label="lab_bsac_StateBankOfIndiaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">State Bank Of India</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_StateBankOfIndiaMember" xlink:href="bsac-20251231.xsd#bsac_StateBankOfIndiaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_StateBankOfIndiaMember" xlink:to="lab_bsac_StateBankOfIndiaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_NetIncomeAttributableToNoncontrollingInterests_15bd73eb-63cc-4ceb-87b3-4bc93a89e837_terseLabel_en-US" xlink:label="lab_bsac_NetIncomeAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income</link:label>
    <link:label id="lab_bsac_NetIncomeAttributableToNoncontrollingInterests_label_en-US" xlink:label="lab_bsac_NetIncomeAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Attributable To Noncontrolling Interests</link:label>
    <link:label id="lab_bsac_NetIncomeAttributableToNoncontrollingInterests_documentation_en-US" xlink:label="lab_bsac_NetIncomeAttributableToNoncontrollingInterests" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of net income attributable to noncontrolling interests.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_NetIncomeAttributableToNoncontrollingInterests" xlink:href="bsac-20251231.xsd#bsac_NetIncomeAttributableToNoncontrollingInterests"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_NetIncomeAttributableToNoncontrollingInterests" xlink:to="lab_bsac_NetIncomeAttributableToNoncontrollingInterests" xlink:type="arc" order="1"/>
    <link:label id="lab_country_PA_019c5843-3c6b-7d1e-b599-a0c50d2b6087_terseLabel_en-US" xlink:label="lab_country_PA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Panama</link:label>
    <link:label id="lab_country_PA_label_en-US" xlink:label="lab_country_PA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PANAMA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_PA" xlink:href="https://xbrl.sec.gov/country/2024/country-2024.xsd#country_PA"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_PA" xlink:to="lab_country_PA" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_e9ee1a37-f8bf-4f16-9b2c-e4ffa6cf1c18_totalLabel_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">D &#8211; NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS DURING THE YEAR</link:label>
    <link:label id="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges_label_en-US" xlink:label="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (decrease) in cash and cash equivalents before effect of exchange rate changes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:to="lab_ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges" xlink:type="arc" order="1"/>
    <link:label id="lab_country_PE_019c5843-5d5e-77dd-b999-790522c4a276_terseLabel_en-US" xlink:label="lab_country_PE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Peru</link:label>
    <link:label id="lab_country_PE_label_en-US" xlink:label="lab_country_PE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PERU</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_country_PE" xlink:href="https://xbrl.sec.gov/country/2024/country-2024.xsd#country_PE"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_PE" xlink:to="lab_country_PE" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_RiskManagementDetailsScheduleofProbabilitiesTable_b5393a2f-99fe-4d75-b161-435f86f43b67_terseLabel_en-US" xlink:label="lab_bsac_RiskManagementDetailsScheduleofProbabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of Probabilities [Table]</link:label>
    <link:label id="lab_bsac_RiskManagementDetailsScheduleofProbabilitiesTable_label_en-US" xlink:label="lab_bsac_RiskManagementDetailsScheduleofProbabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of Probabilities [Table]</link:label>
    <link:label id="lab_bsac_RiskManagementDetailsScheduleofProbabilitiesTable_documentation_en-US" xlink:label="lab_bsac_RiskManagementDetailsScheduleofProbabilitiesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Risk Management (Details) - Schedule of Probabilities [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_RiskManagementDetailsScheduleofProbabilitiesTable" xlink:href="bsac-20251231.xsd#bsac_RiskManagementDetailsScheduleofProbabilitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_RiskManagementDetailsScheduleofProbabilitiesTable" xlink:to="lab_bsac_RiskManagementDetailsScheduleofProbabilitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesLeaseObligations_d12ba878-5d43-45d2-ac7b-98dd91e7de3e_negatedTerseLabel_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesLeaseObligations" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Lease obligations</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesLeaseObligations_label_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesLeaseObligations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Liabilities Lease Obligations</link:label>
    <link:label id="lab_bsac_DeferredTaxLiabilitiesLeaseObligations_documentation_en-US" xlink:label="lab_bsac_DeferredTaxLiabilitiesLeaseObligations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lease obligations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_DeferredTaxLiabilitiesLeaseObligations" xlink:href="bsac-20251231.xsd#bsac_DeferredTaxLiabilitiesLeaseObligations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_DeferredTaxLiabilitiesLeaseObligations" xlink:to="lab_bsac_DeferredTaxLiabilitiesLeaseObligations" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_BankOfAmericaMember_46df5557-bb60-4227-89bf-f8e519af6cac_terseLabel_en-US" xlink:label="lab_bsac_BankOfAmericaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank of America</link:label>
    <link:label id="lab_bsac_BankOfAmericaMember_label_en-US" xlink:label="lab_bsac_BankOfAmericaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Of America [Member]</link:label>
    <link:label id="lab_bsac_BankOfAmericaMember_documentation_en-US" xlink:label="lab_bsac_BankOfAmericaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bank Of America</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_BankOfAmericaMember" xlink:href="bsac-20251231.xsd#bsac_BankOfAmericaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_BankOfAmericaMember" xlink:to="lab_bsac_BankOfAmericaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_CIBMember_49174dcf-6afa-47b2-b6f7-d5832a806121_terseLabel_en-US" xlink:label="lab_bsac_CIBMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CIB</link:label>
    <link:label id="lab_bsac_CIBMember_label_en-US" xlink:label="lab_bsac_CIBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CIB [Member]</link:label>
    <link:label id="lab_bsac_CIBMember_documentation_en-US" xlink:label="lab_bsac_CIBMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">CIB</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_CIBMember" xlink:href="bsac-20251231.xsd#bsac_CIBMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_CIBMember" xlink:to="lab_bsac_CIBMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract_71af259b-3996-4c5d-ba93-274dfe665b62_terseLabel_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for derivative financial liabilities [abstract]</link:label>
    <link:label id="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract_label_en-US" xlink:label="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of maturity analysis for derivative financial liabilities [abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract" xlink:to="lab_ifrs-full_DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_LocalScenarioMember_d1572d0e-7143-43f9-b8f3-e90fa5d30410_terseLabel_en-US" xlink:label="lab_bsac_LocalScenarioMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Local scenario</link:label>
    <link:label id="lab_bsac_LocalScenarioMember_label_en-US" xlink:label="lab_bsac_LocalScenarioMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Local Scenario [Member]</link:label>
    <link:label id="lab_bsac_LocalScenarioMember_documentation_en-US" xlink:label="lab_bsac_LocalScenarioMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for local scenario.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_LocalScenarioMember" xlink:href="bsac-20251231.xsd#bsac_LocalScenarioMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_LocalScenarioMember" xlink:to="lab_bsac_LocalScenarioMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_FeesAndCommissionsForFactoringOperationsServices_b7290ba7-8ba6-48a8-820d-fdd1d905f40f_verboseLabel_en-US" xlink:label="lab_bsac_FeesAndCommissionsForFactoringOperationsServices" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fees and commissions for factoring operations services</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForFactoringOperationsServices_label_en-US" xlink:label="lab_bsac_FeesAndCommissionsForFactoringOperationsServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fees And Commissions For Factoring Operations Services</link:label>
    <link:label id="lab_bsac_FeesAndCommissionsForFactoringOperationsServices_documentation_en-US" xlink:label="lab_bsac_FeesAndCommissionsForFactoringOperationsServices" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of fees and commissions for factoring operations services.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_FeesAndCommissionsForFactoringOperationsServices" xlink:href="bsac-20251231.xsd#bsac_FeesAndCommissionsForFactoringOperationsServices"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_FeesAndCommissionsForFactoringOperationsServices" xlink:to="lab_bsac_FeesAndCommissionsForFactoringOperationsServices" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember_ca46e7c2-fbc4-4881-b9b4-8d133fc726ca_terseLabel_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Between 3 and 5 years</link:label>
    <link:label id="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember_label_en-US" xlink:label="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Later than three years and not later than five years [member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember" xlink:to="lab_ifrs-full_LaterThanThreeYearsAndNotLaterThanFiveYearsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_NotionalAmount_1cd02466-e9ec-4c4f-b7ae-e68271690c38_terseLabel_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_ifrs-full_NotionalAmount_8e88e9b7-650d-4a9f-827f-5ab74cc115df_verboseLabel_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Exchange process for nominal amounts</link:label>
    <link:label id="lab_ifrs-full_NotionalAmount_label_en-US" xlink:label="lab_ifrs-full_NotionalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notional amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_NotionalAmount" xlink:href="https://xbrl.ifrs.org/taxonomy/2024-03-27/full_ifrs/full_ifrs-cor_2024-03-27.xsd#ifrs-full_NotionalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_NotionalAmount" xlink:to="lab_ifrs-full_NotionalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_Loans1Member_bf1ab277-079c-40a3-be02-17001bb4b418_terseLabel_en-US" xlink:label="lab_bsac_Loans1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans</link:label>
    <link:label id="lab_bsac_Loans1Member_label_en-US" xlink:label="lab_bsac_Loans1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans1 [Member]</link:label>
    <link:label id="lab_bsac_Loans1Member_documentation_en-US" xlink:label="lab_bsac_Loans1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_Loans1Member" xlink:href="bsac-20251231.xsd#bsac_Loans1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_Loans1Member" xlink:to="lab_bsac_Loans1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bsac_SupportExpenses_60b9b6d8-ce41-4536-b36e-76eb3b7e7579_terseLabel_en-US" xlink:label="lab_bsac_SupportExpenses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Support expenses</link:label>
    <link:label id="lab_bsac_SupportExpenses_label_en-US" xlink:label="lab_bsac_SupportExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Support Expenses</link:label>
    <link:label id="lab_bsac_SupportExpenses_documentation_en-US" xlink:label="lab_bsac_SupportExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of support expenses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bsac_SupportExpenses" xlink:href="bsac-20251231.xsd#bsac_SupportExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bsac_SupportExpenses" xlink:to="lab_bsac_SupportExpenses" xlink:type="arc" order="1"/>
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