<?xml version="1.0" encoding="utf-8"?>
<!--XBRL document created with Toppan Merrill Bridge  11.4.0.1 -->
<!--Based on XBRL 2.1-->
<!--Created on: 7/31/2026 10:37:07 AM-->
<!--Modified on: 7/31/2026 10:37:07 AM-->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink">
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#StatementCondensedConsolidatedStatementOfChangesInEquity" roleURI="http://www.rbs.com/role/StatementCondensedConsolidatedStatementOfChangesInEquity" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#StatementCondensedConsolidatedStatementOfChangesInEquityParenthetical" roleURI="http://www.rbs.com/role/StatementCondensedConsolidatedStatementOfChangesInEquityParenthetical" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureAcquisitionOfEvelynPartnersTables" roleURI="http://www.rbs.com/role/DisclosureAcquisitionOfEvelynPartnersTables" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosurePresentationOfCondensedConsolidatedFinancialStatementsEstimatedUsefulLivesOfIntangibleAssetsDetails" roleURI="http://www.rbs.com/role/DisclosurePresentationOfCondensedConsolidatedFinancialStatementsEstimatedUsefulLivesOfIntangibleAssetsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureAcquisitionOfEvelynPartnersDetails" roleURI="http://www.rbs.com/role/DisclosureAcquisitionOfEvelynPartnersDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureAcquisitionOfEvelynPartnersConsiderationTransferredDetails" roleURI="http://www.rbs.com/role/DisclosureAcquisitionOfEvelynPartnersConsiderationTransferredDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureAcquisitionOfEvelynPartnersConsiderationTransferredProvisionalFairValuesOfIdentifiableNetAssetsAcquiredDetails" roleURI="http://www.rbs.com/role/DisclosureAcquisitionOfEvelynPartnersConsiderationTransferredProvisionalFairValuesOfIdentifiableNetAssetsAcquiredDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureAcquisitionOfEvelynPartnersTransactionsAccountedForSeparatelyDetails" roleURI="http://www.rbs.com/role/DisclosureAcquisitionOfEvelynPartnersTransactionsAccountedForSeparatelyDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureAcquisitionOfEvelynPartnersImpactOnConsolidatedIncomeStatementDetails" roleURI="http://www.rbs.com/role/DisclosureAcquisitionOfEvelynPartnersImpactOnConsolidatedIncomeStatementDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureAcquisitionOfEvelynPartnersIllustrativeProFormaInformationDetails" roleURI="http://www.rbs.com/role/DisclosureAcquisitionOfEvelynPartnersIllustrativeProFormaInformationDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureAcquisitionOfEvelynPartnersImpactOnCashFlowStatementDetails" roleURI="http://www.rbs.com/role/DisclosureAcquisitionOfEvelynPartnersImpactOnCashFlowStatementDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureSegmentalAnalysisOperatingProfitLossBeforeTaxDetails" roleURI="http://www.rbs.com/role/DisclosureSegmentalAnalysisOperatingProfitLossBeforeTaxDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureSegmentalAnalysisTotalRevenueDetails" roleURI="http://www.rbs.com/role/DisclosureSegmentalAnalysisTotalRevenueDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureSegmentalAnalysisAssetsAndLiabilitiesDetails" roleURI="http://www.rbs.com/role/DisclosureSegmentalAnalysisAssetsAndLiabilitiesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureSegmentalAnalysisNetFeesAndCommissionsDetails" roleURI="http://www.rbs.com/role/DisclosureSegmentalAnalysisNetFeesAndCommissionsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureTaxReconciliationDetails" roleURI="http://www.rbs.com/role/DisclosureTaxReconciliationDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureFinancialInstrumentsClassificationAssetsDetails" roleURI="http://www.rbs.com/role/DisclosureFinancialInstrumentsClassificationAssetsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureFinancialInstrumentsClassificationLiabilitiesDetails" roleURI="http://www.rbs.com/role/DisclosureFinancialInstrumentsClassificationLiabilitiesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureFinancialInstrumentsValuationHierarchyOfAssetsDetails" roleURI="http://www.rbs.com/role/DisclosureFinancialInstrumentsValuationHierarchyOfAssetsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureFinancialInstrumentsValuationHierarchyOfLiabilitiesDetails" roleURI="http://www.rbs.com/role/DisclosureFinancialInstrumentsValuationHierarchyOfLiabilitiesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureFinancialInstrumentsValuationLevel3SensitivitiesOfAssetsDetails" roleURI="http://www.rbs.com/role/DisclosureFinancialInstrumentsValuationLevel3SensitivitiesOfAssetsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureFinancialInstrumentsValuationLevel3SensitivitiesOfLiabilitiesDetails" roleURI="http://www.rbs.com/role/DisclosureFinancialInstrumentsValuationLevel3SensitivitiesOfLiabilitiesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureFinancialInstrumentsValuationMovementInLevel3PortfoliosAssetsDetails" roleURI="http://www.rbs.com/role/DisclosureFinancialInstrumentsValuationMovementInLevel3PortfoliosAssetsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureFinancialInstrumentsValuationMovementInLevel3PortfoliosLiabilitiesDetails" roleURI="http://www.rbs.com/role/DisclosureFinancialInstrumentsValuationMovementInLevel3PortfoliosLiabilitiesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureFinancialInstrumentsValuationAssetsAtAmortisedCostDetails" roleURI="http://www.rbs.com/role/DisclosureFinancialInstrumentsValuationAssetsAtAmortisedCostDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureFinancialInstrumentsValuationLiabilitiesAtAmortisedCostDetails" roleURI="http://www.rbs.com/role/DisclosureFinancialInstrumentsValuationLiabilitiesAtAmortisedCostDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureTradingAssetsAndLiabilitiesDetails" roleURI="http://www.rbs.com/role/DisclosureTradingAssetsAndLiabilitiesDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureLoanImpairmentProvisionsDetails" roleURI="http://www.rbs.com/role/DisclosureLoanImpairmentProvisionsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureProvisionsForLiabilitiesAndChargesRollForwardDetails" roleURI="http://www.rbs.com/role/DisclosureProvisionsForLiabilitiesAndChargesRollForwardDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureContingentLiabilitiesAndCommitmentsDetails" roleURI="http://www.rbs.com/role/DisclosureContingentLiabilitiesAndCommitmentsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureLitigationAndRegulatoryMattersDetails" roleURI="http://www.rbs.com/role/DisclosureLitigationAndRegulatoryMattersDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <roleRef xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosurePostBalanceSheetEventsDetails" roleURI="http://www.rbs.com/role/DisclosurePostBalanceSheetEventsDetails" xmlns="http://www.xbrl.org/2003/linkbase" />
  <link:roleRef roleURI="http://www.rbs.com/role/DisclosureStandardAndCustomAxisDomainDefaults" xlink:type="simple" xlink:href="nwg-20260630.xsd#DisclosureStandardAndCustomAxisDomainDefaults" />
  <link:roleRef roleURI="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd#eedm" />
  <link:arcroleRef arcroleURI="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd#wider-narrower" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" />
  <link:definitionLink xlink:type="extended" xlink:role="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:title="Extensible Enumeration Domain Members" />
  <link:definitionLink xlink:type="extended" xlink:role="http://www.rbs.com/role/DisclosureStandardAndCustomAxisDomainDefaults">
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalAxis" xlink:label="ClassesOfShareCapitalAxis" xlink:title="ClassesOfShareCapitalAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalDomain" xlink:label="ifrs-full_ClassesOfShareCapitalDomain" xlink:title="ClassesOfShareCapitalMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfShareCapitalAxis" xlink:to="ifrs-full_ClassesOfShareCapitalDomain" xlink:title="definition: ClassesOfShareCapitalAxis to ClassesOfShareCapitalMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressesAddressTypeAxis" xlink:label="EntityAddressesAddressTypeAxis" xlink:title="EntityAddressesAddressTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AddressTypeDomain" xlink:label="AddressTypeDomain" xlink:title="AddressTypeDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="EntityAddressesAddressTypeAxis" xlink:to="AddressTypeDomain" xlink:title="definition: EntityAddressesAddressTypeAxis to AddressTypeDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:label="CategoriesOfRelatedPartiesAxis" xlink:title="CategoriesOfRelatedPartiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:label="ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:title="EntitysTotalForRelatedPartiesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="CategoriesOfRelatedPartiesAxis" xlink:to="ifrs-full_CategoriesOfRelatedPartiesDomain" xlink:title="definition: CategoriesOfRelatedPartiesAxis to EntitysTotalForRelatedPartiesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DefinedBenefitPlansAxis" xlink:label="DefinedBenefitPlansAxis" xlink:title="DefinedBenefitPlansAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DefinedBenefitPlansDomain" xlink:label="ifrs-full_DefinedBenefitPlansDomain" xlink:title="DefinedBenefitPlansMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="DefinedBenefitPlansAxis" xlink:to="ifrs-full_DefinedBenefitPlansDomain" xlink:title="definition: DefinedBenefitPlansAxis to DefinedBenefitPlansMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesAxis" xlink:label="SignificantInvestmentsInSubsidiariesAxis" xlink:title="SignificantInvestmentsInSubsidiariesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:label="ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:title="EntitysTotalForSubsidiariesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="SignificantInvestmentsInSubsidiariesAxis" xlink:to="ifrs-full_SignificantInvestmentsInSubsidiariesDomain" xlink:title="definition: SignificantInvestmentsInSubsidiariesAxis to EntitysTotalForSubsidiariesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis" xlink:title="LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain" xlink:label="EntityDomain" xlink:title="EntityDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="LegalEntityAxis" xlink:to="EntityDomain" xlink:title="definition: LegalEntityAxis to EntityDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="SignificantInvestmentsInAssociatesAxis" xlink:title="SignificantInvestmentsInAssociatesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:title="EntitysTotalForAssociatesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="SignificantInvestmentsInAssociatesAxis" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesDomain" xlink:title="definition: SignificantInvestmentsInAssociatesAxis to EntitysTotalForAssociatesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:label="ClassesOfPropertyPlantAndEquipmentAxis" xlink:title="ClassesOfPropertyPlantAndEquipmentAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:title="PropertyPlantAndEquipmentMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="ifrs-full_ClassesOfPropertyPlantAndEquipmentDomain" xlink:title="definition: ClassesOfPropertyPlantAndEquipmentAxis to PropertyPlantAndEquipmentMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeAxis" xlink:label="RangeAxis" xlink:title="RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeDomain" xlink:label="ifrs-full_RangeDomain" xlink:title="RangesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="RangeAxis" xlink:to="ifrs-full_RangeDomain" xlink:title="definition: RangeAxis to RangesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityAxis" xlink:label="ComponentsOfEquityAxis" xlink:title="ComponentsOfEquityAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityDomain" xlink:label="ifrs-full_ComponentsOfEquityDomain" xlink:title="EquityMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ComponentsOfEquityAxis" xlink:to="ifrs-full_ComponentsOfEquityDomain" xlink:title="definition: ComponentsOfEquityAxis to EquityMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsAxis" xlink:label="TypesOfSharebasedPaymentArrangementsAxis" xlink:title="TypesOfSharebasedPaymentArrangementsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:label="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:title="SharebasedPaymentArrangementsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="TypesOfSharebasedPaymentArrangementsAxis" xlink:to="ifrs-full_TypesOfSharebasedPaymentArrangementsDomain" xlink:title="definition: TypesOfSharebasedPaymentArrangementsAxis to SharebasedPaymentArrangementsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfOrdinarySharesAxis" xlink:label="ClassesOfOrdinarySharesAxis" xlink:title="ClassesOfOrdinarySharesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfOrdinarySharesDomain" xlink:label="ifrs-full_ClassesOfOrdinarySharesDomain" xlink:title="OrdinarySharesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfOrdinarySharesAxis" xlink:to="ifrs-full_ClassesOfOrdinarySharesDomain" xlink:title="definition: ClassesOfOrdinarySharesAxis to OrdinarySharesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CounterpartiesAxis" xlink:label="CounterpartiesAxis" xlink:title="CounterpartiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CounterpartiesDomain" xlink:label="ifrs-full_CounterpartiesDomain" xlink:title="CounterpartiesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="CounterpartiesAxis" xlink:to="ifrs-full_CounterpartiesDomain" xlink:title="definition: CounterpartiesAxis to CounterpartiesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsAxis" xlink:label="BusinessCombinationsAxis" xlink:title="BusinessCombinationsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsDomain" xlink:label="ifrs-full_BusinessCombinationsDomain" xlink:title="EntitysTotalForBusinessCombinationsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="BusinessCombinationsAxis" xlink:to="ifrs-full_BusinessCombinationsDomain" xlink:title="definition: BusinessCombinationsAxis to EntitysTotalForBusinessCombinationsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfHedgesAxis" xlink:label="TypesOfHedgesAxis" xlink:title="TypesOfHedgesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfHedgesDomain" xlink:label="ifrs-full_TypesOfHedgesDomain" xlink:title="TypesOfHedgesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="TypesOfHedgesAxis" xlink:to="ifrs-full_TypesOfHedgesDomain" xlink:title="definition: TypesOfHedgesAxis to TypesOfHedgesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsByNameAxis" xlink:label="BorrowingsByNameAxis" xlink:title="BorrowingsByNameAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsByNameDomain" xlink:label="ifrs-full_BorrowingsByNameDomain" xlink:title="BorrowingsByNameMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="BorrowingsByNameAxis" xlink:to="ifrs-full_BorrowingsByNameDomain" xlink:title="definition: BorrowingsByNameAxis to BorrowingsByNameMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:label="NonadjustingEventsAfterReportingPeriodAxis" xlink:title="NonadjustingEventsAfterReportingPeriodAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:title="NonadjustingEventsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="NonadjustingEventsAfterReportingPeriodAxis" xlink:to="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:title="definition: NonadjustingEventsAfterReportingPeriodAxis to NonadjustingEventsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StatementScenarioAxis" xlink:label="StatementScenarioAxis" xlink:title="StatementScenarioAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ScenarioUnspecifiedDomain" xlink:label="ScenarioUnspecifiedDomain" xlink:title="ScenarioUnspecifiedDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="StatementScenarioAxis" xlink:to="ScenarioUnspecifiedDomain" xlink:title="definition: StatementScenarioAxis to ScenarioUnspecifiedDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsAxis" xlink:label="SegmentsAxis" xlink:title="SegmentsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsDomain" xlink:label="ifrs-full_SegmentsDomain" xlink:title="SegmentsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="SegmentsAxis" xlink:to="ifrs-full_SegmentsDomain" xlink:title="definition: SegmentsAxis to SegmentsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContinuingAndDiscontinuedOperationsAxis" xlink:label="ContinuingAndDiscontinuedOperationsAxis" xlink:title="ContinuingAndDiscontinuedOperationsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContinuingOperationsMember" xlink:label="ContinuingOperationsMember" xlink:title="ContinuingOperationsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ContinuingAndDiscontinuedOperationsAxis" xlink:to="ContinuingOperationsMember" xlink:title="definition: ContinuingAndDiscontinuedOperationsAxis to ContinuingOperationsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentConsolidationItemsAxis" xlink:label="SegmentConsolidationItemsAxis" xlink:title="SegmentConsolidationItemsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentConsolidationItemsDomain" xlink:label="ifrs-full_SegmentConsolidationItemsDomain" xlink:title="EntitysTotalForSegmentConsolidationItemsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="SegmentConsolidationItemsAxis" xlink:to="ifrs-full_SegmentConsolidationItemsDomain" xlink:title="definition: SegmentConsolidationItemsAxis to EntitysTotalForSegmentConsolidationItemsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasAxis" xlink:label="GeographicalAreasAxis" xlink:title="GeographicalAreasAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasDomain" xlink:label="ifrs-full_GeographicalAreasDomain" xlink:title="GeographicalAreasMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasDomain" xlink:title="definition: GeographicalAreasAxis to GeographicalAreasMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityAxis" xlink:label="MaturityAxis" xlink:title="MaturityAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MaturityDomain" xlink:label="ifrs-full_MaturityDomain" xlink:title="AggregatedTimeBandsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="MaturityAxis" xlink:to="ifrs-full_MaturityDomain" xlink:title="definition: MaturityAxis to AggregatedTimeBandsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:label="ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:title="ClassesOfIntangibleAssetsOtherThanGoodwillAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:title="IntangibleAssetsOtherThanGoodwillMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:to="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:title="definition: ClassesOfIntangibleAssetsOtherThanGoodwillAxis to IntangibleAssetsOtherThanGoodwillMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ClassesOfFinancialAssetsAxis" xlink:title="ClassesOfFinancialAssetsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain" xlink:label="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:title="FinancialAssetsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:title="definition: ClassesOfFinancialAssetsAxis to FinancialAssetsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="ClassesOfFinancialLiabilitiesAxis" xlink:title="ClassesOfFinancialLiabilitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:title="FinancialLiabilitiesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:title="definition: ClassesOfFinancialLiabilitiesAxis to FinancialLiabilitiesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialEffectOfTransitionFromPreviousGAAPToIFRSsAxis" xlink:label="FinancialEffectOfTransitionFromPreviousGAAPToIFRSsAxis" xlink:title="FinancialEffectOfTransitionFromPreviousGAAPToIFRSsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IFRSsMember" xlink:label="IFRSsMember" xlink:title="IFRSsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="FinancialEffectOfTransitionFromPreviousGAAPToIFRSsAxis" xlink:to="IFRSsMember" xlink:title="definition: FinancialEffectOfTransitionFromPreviousGAAPToIFRSsAxis to IFRSsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetrospectiveApplicationAndRetrospectiveRestatementAxis" xlink:label="RetrospectiveApplicationAndRetrospectiveRestatementAxis" xlink:title="RetrospectiveApplicationAndRetrospectiveRestatementAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RestatedMember" xlink:label="RestatedMember" xlink:title="RestatedMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="RetrospectiveApplicationAndRetrospectiveRestatementAxis" xlink:to="RestatedMember" xlink:title="definition: RetrospectiveApplicationAndRetrospectiveRestatementAxis to RestatedMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NewIFRSsAxis" xlink:label="NewIFRSsAxis" xlink:title="NewIFRSsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NewIFRSsDomain" xlink:label="ifrs-full_NewIFRSsDomain" xlink:title="NewIFRSsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="NewIFRSsAxis" xlink:to="ifrs-full_NewIFRSsDomain" xlink:title="definition: NewIFRSsAxis to NewIFRSsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:label="CategoriesOfFinancialAssetsAxis" xlink:title="CategoriesOfFinancialAssetsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:label="ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:title="FinancialAssetsCategoryMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="CategoriesOfFinancialAssetsAxis" xlink:to="ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:title="definition: CategoriesOfFinancialAssetsAxis to FinancialAssetsCategoryMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InitiallyAppliedIFRSsAxis" xlink:label="InitiallyAppliedIFRSsAxis" xlink:title="InitiallyAppliedIFRSsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InitiallyAppliedIFRSsDomain" xlink:label="ifrs-full_InitiallyAppliedIFRSsDomain" xlink:title="InitiallyAppliedIFRSsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="InitiallyAppliedIFRSsAxis" xlink:to="ifrs-full_InitiallyAppliedIFRSsDomain" xlink:title="definition: InitiallyAppliedIFRSsAxis to InitiallyAppliedIFRSsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:title="CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountMember" xlink:label="CarryingAmountMember" xlink:title="CarryingAmountMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="CarryingAmountMember" xlink:title="definition: CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis to CarryingAmountMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProductsAndServicesAxis" xlink:label="ProductsAndServicesAxis" xlink:title="ProductsAndServicesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProductsAndServicesDomain" xlink:label="ifrs-full_ProductsAndServicesDomain" xlink:title="ProductsAndServicesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ProductsAndServicesAxis" xlink:to="ifrs-full_ProductsAndServicesDomain" xlink:title="definition: ProductsAndServicesAxis to ProductsAndServicesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:label="ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:title="ClassesOfIntangibleAssetsAndGoodwillAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" xlink:label="ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" xlink:title="IntangibleAssetsAndGoodwillMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:to="ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain" xlink:title="definition: ClassesOfIntangibleAssetsAndGoodwillAxis to IntangibleAssetsAndGoodwillMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" xlink:label="AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" xlink:title="AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:label="AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:title="AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis" xlink:to="AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" xlink:title="definition: AssetsAndLiabilitiesClassifiedAsHeldForSaleAxis to AssetsAndLiabilitiesNotClassifiedAsHeldForSaleMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:label="TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:title="TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:title="TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:to="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:title="definition: TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis to TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:label="ClassesOfFinancialInstrumentsAxis" xlink:title="ClassesOfFinancialInstrumentsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:title="ClassesOfFinancialInstrumentsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfFinancialInstrumentsAxis" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:title="definition: ClassesOfFinancialInstrumentsAxis to ClassesOfFinancialInstrumentsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetDefinedBenefitLiabilityAssetAxis" xlink:label="NetDefinedBenefitLiabilityAssetAxis" xlink:title="NetDefinedBenefitLiabilityAssetAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetDefinedBenefitLiabilityAssetDomain" xlink:label="ifrs-full_NetDefinedBenefitLiabilityAssetDomain" xlink:title="NetDefinedBenefitLiabilityAssetMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="NetDefinedBenefitLiabilityAssetAxis" xlink:to="ifrs-full_NetDefinedBenefitLiabilityAssetDomain" xlink:title="definition: NetDefinedBenefitLiabilityAssetAxis to NetDefinedBenefitLiabilityAssetMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ValuationMethodAxis" xlink:label="ValuationMethodAxis" xlink:title="ValuationMethodAxis" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ValuationMethodMember" xlink:label="ValuationMethodMember" xlink:title="ValuationMethodMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ValuationMethodAxis" xlink:to="ValuationMethodMember" xlink:title="definition: ValuationMethodAxis to ValuationMethodMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionsAxis" xlink:label="ActuarialAssumptionsAxis" xlink:title="ActuarialAssumptionsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ActuarialAssumptionsDomain" xlink:label="ifrs-full_ActuarialAssumptionsDomain" xlink:title="ActuarialAssumptionsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ActuarialAssumptionsAxis" xlink:to="ifrs-full_ActuarialAssumptionsDomain" xlink:title="definition: ActuarialAssumptionsAxis to ActuarialAssumptionsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ChangeInActuarialAssumptionOfLongevityAxis" xlink:label="ChangeInActuarialAssumptionOfLongevityAxis" xlink:title="ChangeInActuarialAssumptionOfLongevityAxis" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ChangeInActuarialAssumptionOfLongevityDomain" xlink:label="ChangeInActuarialAssumptionOfLongevityDomain" xlink:title="ChangeInActuarialAssumptionOfLongevityDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ChangeInActuarialAssumptionOfLongevityAxis" xlink:to="ChangeInActuarialAssumptionOfLongevityDomain" xlink:title="definition: ChangeInActuarialAssumptionOfLongevityAxis to ChangeInActuarialAssumptionOfLongevityDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfProvisionsAxis" xlink:label="ClassesOfProvisionsAxis" xlink:title="ClassesOfProvisionsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfOtherProvisionsDomain" xlink:label="ifrs-full_ClassesOfOtherProvisionsDomain" xlink:title="OtherProvisionsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfProvisionsAxis" xlink:to="ifrs-full_ClassesOfOtherProvisionsDomain" xlink:title="definition: ClassesOfProvisionsAxis to OtherProvisionsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_InvestigationAuthoritiesAxis" xlink:label="InvestigationAuthoritiesAxis" xlink:title="InvestigationAuthoritiesAxis" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_InvestigationAuthoritiesMember" xlink:label="InvestigationAuthoritiesMember" xlink:title="InvestigationAuthoritiesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="InvestigationAuthoritiesAxis" xlink:to="InvestigationAuthoritiesMember" xlink:title="definition: InvestigationAuthoritiesAxis to InvestigationAuthoritiesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:label="CategoriesOfFinancialLiabilitiesAxis" xlink:title="CategoriesOfFinancialLiabilitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:title="FinancialLiabilitiesCategoryMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="CategoriesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:title="definition: CategoriesOfFinancialLiabilitiesAxis to FinancialLiabilitiesCategoryMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:label="ClassesOfContingentLiabilitiesAxis" xlink:title="ClassesOfContingentLiabilitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:label="ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:title="ContingentLiabilitiesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfContingentLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:title="definition: ClassesOfContingentLiabilitiesAxis to ContingentLiabilitiesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsAndLiabilitiesAxis" xlink:label="AssetsAndLiabilitiesAxis" xlink:title="AssetsAndLiabilitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsAndLiabilitiesDomain" xlink:label="ifrs-full_AssetsAndLiabilitiesDomain" xlink:title="AssetsAndLiabilitiesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="AssetsAndLiabilitiesAxis" xlink:to="ifrs-full_AssetsAndLiabilitiesDomain" xlink:title="definition: AssetsAndLiabilitiesAxis to AssetsAndLiabilitiesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccountingEstimatesAxis" xlink:label="AccountingEstimatesAxis" xlink:title="AccountingEstimatesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccountingEstimatesDomain" xlink:label="ifrs-full_AccountingEstimatesDomain" xlink:title="AccountingEstimatesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="AccountingEstimatesAxis" xlink:to="ifrs-full_AccountingEstimatesDomain" xlink:title="definition: AccountingEstimatesAxis to AccountingEstimatesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfLiabilitiesAxis" xlink:label="ClassesOfLiabilitiesAxis" xlink:title="ClassesOfLiabilitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfLiabilitiesDomain" xlink:label="ifrs-full_ClassesOfLiabilitiesDomain" xlink:title="LiabilitiesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfLiabilitiesDomain" xlink:title="definition: ClassesOfLiabilitiesAxis to LiabilitiesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfFinancialLiabilitiesAxis" xlink:label="TypesOfFinancialLiabilitiesAxis" xlink:title="TypesOfFinancialLiabilitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfFinancialLiabilitiesDomain" xlink:label="ifrs-full_TypesOfFinancialLiabilitiesDomain" xlink:title="FinancialLiabilitiesTypeMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="TypesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_TypesOfFinancialLiabilitiesDomain" xlink:title="definition: TypesOfFinancialLiabilitiesAxis to FinancialLiabilitiesTypeMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementAxis" xlink:label="MeasurementAxis" xlink:title="MeasurementAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementDomain" xlink:label="ifrs-full_MeasurementDomain" xlink:title="AggregatedMeasurementMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="MeasurementAxis" xlink:to="ifrs-full_MeasurementDomain" xlink:title="definition: MeasurementAxis to AggregatedMeasurementMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfRisksAxis" xlink:label="TypesOfRisksAxis" xlink:title="TypesOfRisksAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfRisksDomain" xlink:label="ifrs-full_TypesOfRisksDomain" xlink:title="TypesOfRisksMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="TypesOfRisksAxis" xlink:to="ifrs-full_TypesOfRisksDomain" xlink:title="definition: TypesOfRisksAxis to TypesOfRisksMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfInterestRatesAxis" xlink:label="TypesOfInterestRatesAxis" xlink:title="TypesOfInterestRatesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfInterestRatesDomain" xlink:label="ifrs-full_TypesOfInterestRatesDomain" xlink:title="InterestRateTypesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="TypesOfInterestRatesAxis" xlink:to="ifrs-full_TypesOfInterestRatesDomain" xlink:title="definition: TypesOfInterestRatesAxis to InterestRateTypesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:label="LevelsOfFairValueHierarchyAxis" xlink:title="LevelsOfFairValueHierarchyAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:label="ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:title="AllLevelsOfFairValueHierarchyMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="LevelsOfFairValueHierarchyAxis" xlink:to="ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:title="definition: LevelsOfFairValueHierarchyAxis to AllLevelsOfFairValueHierarchyMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IfrsOperatingActivitiesAxis" xlink:label="IfrsOperatingActivitiesAxis" xlink:title="IfrsOperatingActivitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IfrsOperatingActivitiesDomain" xlink:label="IfrsOperatingActivitiesDomain" xlink:title="IfrsOperatingActivitiesDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="IfrsOperatingActivitiesAxis" xlink:to="IfrsOperatingActivitiesDomain" xlink:title="definition: IfrsOperatingActivitiesAxis to IfrsOperatingActivitiesDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:label="AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:title="AttributionOfExpensesByNatureToTheirFunctionAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:label="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:title="LineItemsByFunctionMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:to="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:title="definition: AttributionOfExpensesByNatureToTheirFunctionAxis to LineItemsByFunctionMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IfrsFinancialInstrumentPerformanceStatusAxis" xlink:label="IfrsFinancialInstrumentPerformanceStatusAxis" xlink:title="IfrsFinancialInstrumentPerformanceStatusAxis" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IfrsFinancialInstrumentPerformanceStatusDomain" xlink:label="IfrsFinancialInstrumentPerformanceStatusDomain" xlink:title="IfrsFinancialInstrumentPerformanceStatusDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="IfrsFinancialInstrumentPerformanceStatusAxis" xlink:to="IfrsFinancialInstrumentPerformanceStatusDomain" xlink:title="definition: IfrsFinancialInstrumentPerformanceStatusAxis to IfrsFinancialInstrumentPerformanceStatusDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:label="ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:title="ValuationTechniquesUsedInFairValueMeasurementAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:label="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:title="ValuationTechniquesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ValuationTechniquesUsedInFairValueMeasurementAxis" xlink:to="ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain" xlink:title="definition: ValuationTechniquesUsedInFairValueMeasurementAxis to ValuationTechniquesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnobservableInputsAxis" xlink:label="UnobservableInputsAxis" xlink:title="UnobservableInputsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnobservableInputsDomain" xlink:label="ifrs-full_UnobservableInputsDomain" xlink:title="UnobservableInputsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="UnobservableInputsAxis" xlink:to="ifrs-full_UnobservableInputsDomain" xlink:title="definition: UnobservableInputsAxis to UnobservableInputsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_HedgingInstrumentsAxis" xlink:label="HedgingInstrumentsAxis" xlink:title="HedgingInstrumentsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_HedgingInstrumentsDomain" xlink:label="ifrs-full_HedgingInstrumentsDomain" xlink:title="HedgingInstrumentsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="HedgingInstrumentsAxis" xlink:to="ifrs-full_HedgingInstrumentsDomain" xlink:title="definition: HedgingInstrumentsAxis to HedgingInstrumentsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IfrsIncomeStatementLocationAxis" xlink:label="IfrsIncomeStatementLocationAxis" xlink:title="IfrsIncomeStatementLocationAxis" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IncomeStatementDomain" xlink:label="IncomeStatementDomain" xlink:title="IncomeStatementDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="IfrsIncomeStatementLocationAxis" xlink:to="IncomeStatementDomain" xlink:title="definition: IfrsIncomeStatementLocationAxis to IncomeStatementDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_StagesOfImpairmentAxis" xlink:label="StagesOfImpairmentAxis" xlink:title="StagesOfImpairmentAxis" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_StagesOfImpairmentDomain" xlink:label="StagesOfImpairmentDomain" xlink:title="StagesOfImpairmentDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="StagesOfImpairmentAxis" xlink:to="StagesOfImpairmentDomain" xlink:title="definition: StagesOfImpairmentAxis to StagesOfImpairmentDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentOfFinancialAssetsAxis" xlink:label="ImpairmentOfFinancialAssetsAxis" xlink:title="ImpairmentOfFinancialAssetsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentOfFinancialAssetsDomain" xlink:label="ifrs-full_ImpairmentOfFinancialAssetsDomain" xlink:title="EntitysTotalForImpairmentOfFinancialAssetsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ImpairmentOfFinancialAssetsAxis" xlink:to="ifrs-full_ImpairmentOfFinancialAssetsDomain" xlink:title="definition: ImpairmentOfFinancialAssetsAxis to EntitysTotalForImpairmentOfFinancialAssetsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfAssetsAxis" xlink:label="ClassesOfAssetsAxis" xlink:title="ClassesOfAssetsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfAssetsDomain" xlink:label="ifrs-full_ClassesOfAssetsDomain" xlink:title="ClassesOfAssetsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ClassesOfAssetsAxis" xlink:to="ifrs-full_ClassesOfAssetsDomain" xlink:title="definition: ClassesOfAssetsAxis to ClassesOfAssetsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IfrsConsolidatedEntitiesAxis" xlink:label="IfrsConsolidatedEntitiesAxis" xlink:title="IfrsConsolidatedEntitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IfrsConsolidatedEntitiesDomain" xlink:label="IfrsConsolidatedEntitiesDomain" xlink:title="IfrsConsolidatedEntitiesDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="IfrsConsolidatedEntitiesAxis" xlink:to="IfrsConsolidatedEntitiesDomain" xlink:title="definition: IfrsConsolidatedEntitiesAxis to IfrsConsolidatedEntitiesDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MethodsOfGenerationAxis" xlink:label="MethodsOfGenerationAxis" xlink:title="MethodsOfGenerationAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MethodsOfGenerationDomain" xlink:label="ifrs-full_MethodsOfGenerationDomain" xlink:title="MethodsOfGenerationMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="MethodsOfGenerationAxis" xlink:to="ifrs-full_MethodsOfGenerationDomain" xlink:title="definition: MethodsOfGenerationAxis to MethodsOfGenerationMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_VarianceAxis" xlink:label="VarianceAxis" xlink:title="VarianceAxis" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_VarianceDomain" xlink:label="VarianceDomain" xlink:title="VarianceDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="VarianceAxis" xlink:to="VarianceDomain" xlink:title="definition: VarianceAxis to VarianceDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_RedemptionAxis" xlink:label="RedemptionAxis" xlink:title="RedemptionAxis" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_RedemptionDomain" xlink:label="RedemptionDomain" xlink:title="RedemptionDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="RedemptionAxis" xlink:to="RedemptionDomain" xlink:title="definition: RedemptionAxis to RedemptionDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_PeriodAxis" xlink:label="PeriodAxis" xlink:title="PeriodAxis" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_PeriodDomain" xlink:label="PeriodDomain" xlink:title="PeriodDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="PeriodAxis" xlink:to="PeriodDomain" xlink:title="definition: PeriodAxis to PeriodDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentByOperatingLeaseStatusAxis" xlink:label="PropertyPlantAndEquipmentByOperatingLeaseStatusAxis" xlink:title="PropertyPlantAndEquipmentByOperatingLeaseStatusAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentByOperatingLeaseStatusDomain" xlink:label="ifrs-full_PropertyPlantAndEquipmentByOperatingLeaseStatusDomain" xlink:title="PropertyPlantAndEquipmentByOperatingLeaseStatusMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="PropertyPlantAndEquipmentByOperatingLeaseStatusAxis" xlink:to="ifrs-full_PropertyPlantAndEquipmentByOperatingLeaseStatusDomain" xlink:title="definition: PropertyPlantAndEquipmentByOperatingLeaseStatusAxis to PropertyPlantAndEquipmentByOperatingLeaseStatusMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ConsolidatedStructuredEntitiesAxis" xlink:label="ConsolidatedStructuredEntitiesAxis" xlink:title="ConsolidatedStructuredEntitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ConsolidatedStructuredEntitiesDomain" xlink:label="ifrs-full_ConsolidatedStructuredEntitiesDomain" xlink:title="EntitysTotalForConsolidatedStructuredEntitiesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ConsolidatedStructuredEntitiesAxis" xlink:to="ifrs-full_ConsolidatedStructuredEntitiesDomain" xlink:title="definition: ConsolidatedStructuredEntitiesAxis to EntitysTotalForConsolidatedStructuredEntitiesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsWhichDoNotQualifyForDerecognitionAxis" xlink:label="FinancialAssetsWhichDoNotQualifyForDerecognitionAxis" xlink:title="FinancialAssetsWhichDoNotQualifyForDerecognitionAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsWhichDoNotQualifyForDerecognitionDomain" xlink:label="ifrs-full_FinancialAssetsWhichDoNotQualifyForDerecognitionDomain" xlink:title="FinancialAssetsWhichDoNotQualifyForDerecognitionMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="FinancialAssetsWhichDoNotQualifyForDerecognitionAxis" xlink:to="ifrs-full_FinancialAssetsWhichDoNotQualifyForDerecognitionDomain" xlink:title="definition: FinancialAssetsWhichDoNotQualifyForDerecognitionAxis to FinancialAssetsWhichDoNotQualifyForDerecognitionMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsAxis" xlink:label="ConsolidationItemsAxis" xlink:title="ConsolidationItemsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ConsolidationItemsDomain" xlink:label="ConsolidationItemsDomain" xlink:title="ConsolidationItemsDomain" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ConsolidationItemsAxis" xlink:to="ConsolidationItemsDomain" xlink:title="definition: ConsolidationItemsAxis to ConsolidationItemsDomain" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ConsolidatedAndSeparateFinancialStatementsAxis" xlink:label="ConsolidatedAndSeparateFinancialStatementsAxis" xlink:title="ConsolidatedAndSeparateFinancialStatementsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ConsolidatedMember" xlink:label="ConsolidatedMember" xlink:title="ConsolidatedMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="ConsolidatedAndSeparateFinancialStatementsAxis" xlink:to="ConsolidatedMember" xlink:title="definition: ConsolidatedAndSeparateFinancialStatementsAxis to ConsolidatedMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnconsolidatedStructuredEntitiesAxis" xlink:label="UnconsolidatedStructuredEntitiesAxis" xlink:title="UnconsolidatedStructuredEntitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnconsolidatedStructuredEntitiesDomain" xlink:label="ifrs-full_UnconsolidatedStructuredEntitiesDomain" xlink:title="EntitysTotalForUnconsolidatedStructuredEntitiesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="UnconsolidatedStructuredEntitiesAxis" xlink:to="ifrs-full_UnconsolidatedStructuredEntitiesDomain" xlink:title="definition: UnconsolidatedStructuredEntitiesAxis to EntitysTotalForUnconsolidatedStructuredEntitiesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CapitalRequirementsAxis" xlink:label="CapitalRequirementsAxis" xlink:title="CapitalRequirementsAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CapitalRequirementsDomain" xlink:label="ifrs-full_CapitalRequirementsDomain" xlink:title="CapitalRequirementsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="CapitalRequirementsAxis" xlink:to="ifrs-full_CapitalRequirementsDomain" xlink:title="definition: CapitalRequirementsAxis to CapitalRequirementsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis" xlink:label="LiabilitiesArisingFromFinancingActivitiesAxis" xlink:title="LiabilitiesArisingFromFinancingActivitiesAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:label="ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:title="LiabilitiesArisingFromFinancingActivitiesMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="LiabilitiesArisingFromFinancingActivitiesAxis" xlink:to="ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain" xlink:title="definition: LiabilitiesArisingFromFinancingActivitiesAxis to LiabilitiesArisingFromFinancingActivitiesMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_DeprecatedTypesOfInsuranceContractsAxis" xlink:label="nwg_DeprecatedTypesOfInsuranceContractsAxis" xlink:title="TypesOfInsuranceContractsAxis" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_DeprecatedInsuranceContractsMember" xlink:label="nwg_DeprecatedInsuranceContractsMember" xlink:title="InsuranceContractsMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="nwg_DeprecatedTypesOfInsuranceContractsAxis" xlink:to="nwg_DeprecatedInsuranceContractsMember" xlink:title="definition: TypesOfInsuranceContractsAxis to InsuranceContractsMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FundingArrangementsOfDefinedBenefitPlansAxis" xlink:label="FundingArrangementsOfDefinedBenefitPlansAxis" xlink:title="FundingArrangementsOfDefinedBenefitPlansAxis" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FundingArrangementsOfDefinedBenefitPlansDomain" xlink:label="ifrs-full_FundingArrangementsOfDefinedBenefitPlansDomain" xlink:title="FundingArrangementsOfDefinedBenefitPlansMember" />
    <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="FundingArrangementsOfDefinedBenefitPlansAxis" xlink:to="ifrs-full_FundingArrangementsOfDefinedBenefitPlansDomain" xlink:title="definition: FundingArrangementsOfDefinedBenefitPlansAxis to FundingArrangementsOfDefinedBenefitPlansMember" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:label="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis_1" xlink:title="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" xlink:label="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain_1" xlink:title="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesMember_1" />
    <link:definitionArc xlink:type="arc" xlink:from="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis_1" xlink:to="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:title="definition:ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis_1 To ifrs-full_MethodOfAssessmentOfExpectedCreditLossesMember_1" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:label="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis_1" xlink:title="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain" xlink:label="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain_1" xlink:title="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember_1" />
    <link:definitionArc xlink:type="arc" xlink:from="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis_1" xlink:to="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:title="definition:ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis_1 To ifrs-full_TypeOfMeasurementOfExpectedCreditLossesMember_1" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:label="ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis_1" xlink:title="ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain" xlink:label="ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain_1" xlink:title="ifrs-full_CreditImpairmentOfFinancialInstrumentsMember_1" />
    <link:definitionArc xlink:type="arc" xlink:from="ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis_1" xlink:to="ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:title="definition:ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis_1 To ifrs-full_CreditImpairmentOfFinancialInstrumentsMember_1" order="1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TypesOfDerivativesByFormOfTradeAxis" xlink:label="nwg_TypesOfDerivativesByFormOfTradeAxis_1" xlink:title="nwg_TypesOfDerivativesByFormOfTradeAxis_1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_DerivativesTradedOnRecognizedExchangeOrOverCounterDomain" xlink:label="nwg_DerivativesTradedOnRecognizedExchangeOrOverCounterDomain_1" xlink:title="nwg_DerivativesTradedOnRecognizedExchangeOrOverCounterDomain_1" />
    <link:definitionArc xlink:type="arc" xlink:from="nwg_TypesOfDerivativesByFormOfTradeAxis_1" xlink:to="nwg_DerivativesTradedOnRecognizedExchangeOrOverCounterDomain_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:title="definition:nwg_TypesOfDerivativesByFormOfTradeAxis_1 To nwg_DerivativesTradedOnRecognizedExchangeOrOverCounterDomain_1" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis" xlink:label="ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis_1" xlink:title="ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain" xlink:label="ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain_1" xlink:title="ifrs-full_EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember_1" />
    <link:definitionArc xlink:type="arc" xlink:from="ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis_1" xlink:to="ifrs-full_IndividualAssetsOrCashgeneratingUnitsDomain_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:title="definition:ifrs-full_IndividualAssetsOrCashgeneratingUnitsAxis_1 To ifrs-full_EntitysTotalForIndividualAssetsOrCashgeneratingUnitsMember_1" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis" xlink:label="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis_1" xlink:title="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferDomain" xlink:label="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferDomain_1" xlink:title="ifrs-full_TypesOfTransferMember_1" />
    <link:definitionArc xlink:type="arc" xlink:from="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis_1" xlink:to="ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferDomain_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:title="definition:ifrs-full_ContinuingInvolvementInDerecognisedFinancialAssetsByTypeOfTransferAxis_1 To ifrs-full_TypesOfTransferMember_1" order="1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IfrsShareRepurchaseProgramAxis" xlink:label="nwg_IfrsShareRepurchaseProgramAxis_1" xlink:title="nwg_IfrsShareRepurchaseProgramAxis_1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IfrsShareRepurchaseProgramDomain" xlink:label="nwg_IfrsShareRepurchaseProgramDomain_1" xlink:title="nwg_IfrsShareRepurchaseProgramDomain_1" />
    <link:definitionArc xlink:type="arc" xlink:from="nwg_IfrsShareRepurchaseProgramAxis_1" xlink:to="nwg_IfrsShareRepurchaseProgramDomain_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:title="definition:nwg_IfrsShareRepurchaseProgramAxis_1 To nwg_IfrsShareRepurchaseProgramDomain_1" order="1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_AssetAcquisitionsAxis" xlink:label="nwg_AssetAcquisitionsAxis_1" xlink:title="nwg_AssetAcquisitionsAxis_1" />
    <link:loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_AssetAcquisitionsDomain" xlink:label="nwg_AssetAcquisitionsDomain_1" xlink:title="nwg_AssetAcquisitionsDomain_1" />
    <link:definitionArc xlink:type="arc" xlink:from="nwg_AssetAcquisitionsAxis_1" xlink:to="nwg_AssetAcquisitionsDomain_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:title="definition:nwg_AssetAcquisitionsAxis_1 To nwg_AssetAcquisitionsDomain_1" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ShareRepurchaseProgramAxis" xlink:label="srt_ShareRepurchaseProgramAxis_1" xlink:title="srt_ShareRepurchaseProgramAxis_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ShareRepurchaseProgramDomain" xlink:label="srt_ShareRepurchaseProgramDomain_1" xlink:title="srt_ShareRepurchaseProgramDomain_1" />
    <link:definitionArc xlink:type="arc" xlink:from="srt_ShareRepurchaseProgramAxis_1" xlink:to="srt_ShareRepurchaseProgramDomain_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:title="definition:srt_ShareRepurchaseProgramAxis_1 To srt_ShareRepurchaseProgramDomain_1" order="1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationAxis" xlink:label="ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationAxis_1" xlink:title="ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationAxis_1" />
    <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationDomain" xlink:label="ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationDomain_1" xlink:title="ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationDomain_1" />
    <link:definitionArc xlink:type="arc" xlink:from="ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationAxis_1" xlink:to="ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationDomain_1" use="optional" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:title="definition:ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationAxis_1 To ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationDomain_1" order="1" />
  </link:definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/StatementCondensedConsolidatedStatementOfChangesInEquity" xlink:type="extended" xlink:title="00400 - Statement - Condensed consolidated statement of changes in equity" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityTable" xlink:label="ifrs-full_StatementOfChangesInEquityTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityAxis" xlink:label="ifrs-full_ComponentsOfEquityAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_StatementOfChangesInEquityTable" xlink:to="ifrs-full_ComponentsOfEquityAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComponentsOfEquityDomain" xlink:label="ifrs-full_ComponentsOfEquityDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ComponentsOfEquityAxis" xlink:to="ifrs-full_ComponentsOfEquityDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:label="ifrs-full_EquityAttributableToOwnersOfParentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ComponentsOfEquityDomain" xlink:to="ifrs-full_EquityAttributableToOwnersOfParentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IssuedCapitalAndSharePremiumMember" xlink:label="nwg_IssuedCapitalAndSharePremiumMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="nwg_IssuedCapitalAndSharePremiumMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionalPaidinCapitalMember" xlink:label="ifrs-full_AdditionalPaidinCapitalMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="ifrs-full_AdditionalPaidinCapitalMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherStatutoryReservesMember" xlink:label="nwg_OtherStatutoryReservesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="nwg_OtherStatutoryReservesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarningsMember" xlink:label="ifrs-full_RetainedEarningsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="ifrs-full_RetainedEarningsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherReservesMember" xlink:label="ifrs-full_OtherReservesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_EquityAttributableToOwnersOfParentMember" xlink:to="ifrs-full_OtherReservesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" xlink:label="ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_OtherReservesMember" xlink:to="ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfCashFlowHedgesMember" xlink:label="ifrs-full_ReserveOfCashFlowHedgesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_OtherReservesMember" xlink:to="ifrs-full_ReserveOfCashFlowHedgesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" xlink:label="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_OtherReservesMember" xlink:to="ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MergerReserveMember" xlink:label="ifrs-full_MergerReserveMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_OtherReservesMember" xlink:to="ifrs-full_MergerReserveMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncontrollingInterestsMember" xlink:label="ifrs-full_NoncontrollingInterestsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ComponentsOfEquityDomain" xlink:to="ifrs-full_NoncontrollingInterestsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityLineItems" xlink:label="ifrs-full_StatementOfChangesInEquityLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_StatementOfChangesInEquityTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Equity" xlink:label="ifrs-full_Equity" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_Equity" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_ProfitLoss" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeAbstract" xlink:label="ifrs-full_OtherComprehensiveIncomeAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_OtherComprehensiveIncomeAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransfersOfCumulativeGainLossWithinEquityWhenInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeAreDerecognisedDuringPeriod" xlink:label="ifrs-full_TransfersOfCumulativeGainLossWithinEquityWhenInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeAreDerecognisedDuringPeriod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_TransfersOfCumulativeGainLossWithinEquityWhenInvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeAreDerecognisedDuringPeriod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" xlink:label="ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" xlink:label="ifrs-full_OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_OtherComprehensiveIncomeBeforeTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherComprehensiveIncomeUnrealisedLossesGainsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" xlink:label="nwg_OtherComprehensiveIncomeUnrealisedLossesGainsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="nwg_OtherComprehensiveIncomeUnrealisedLossesGainsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" xlink:label="ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_GainsLossesOnCashFlowHedgesBeforeTax" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationBeforeTax" xlink:label="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationBeforeTax" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationBeforeTax" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnHedgesOfNetInvestmentsInForeignOperationsBeforeTax" xlink:label="ifrs-full_GainsLossesOnHedgesOfNetInvestmentsInForeignOperationsBeforeTax" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_GainsLossesOnHedgesOfNetInvestmentsInForeignOperationsBeforeTax" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ReclassificationAdjustmentsBeforeTax" xlink:label="nwg_ReclassificationAdjustmentsBeforeTax" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="nwg_ReclassificationAdjustmentsBeforeTax" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" xlink:label="ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_ComprehensiveIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TransactionsWithOwnersAbstract" xlink:label="nwg_TransactionsWithOwnersAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="nwg_TransactionsWithOwnersAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_DividendsRecognisedAsDistributionsToOwnersOrdinaryShares" xlink:label="nwg_DividendsRecognisedAsDistributionsToOwnersOrdinaryShares" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="nwg_TransactionsWithOwnersAbstract" xlink:to="nwg_DividendsRecognisedAsDistributionsToOwnersOrdinaryShares" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_DividendsRecognisedAsDistributionsToOwnersPaidInEquity" xlink:label="nwg_DividendsRecognisedAsDistributionsToOwnersPaidInEquity" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="nwg_TransactionsWithOwnersAbstract" xlink:to="nwg_DividendsRecognisedAsDistributionsToOwnersPaidInEquity" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssueOfEquity" xlink:label="ifrs-full_IssueOfEquity" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="nwg_TransactionsWithOwnersAbstract" xlink:to="ifrs-full_IssueOfEquity" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" xlink:label="ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="nwg_TransactionsWithOwnersAbstract" xlink:to="ifrs-full_IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfTreasuryShares" xlink:label="ifrs-full_PurchaseOfTreasuryShares" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="nwg_TransactionsWithOwnersAbstract" xlink:to="ifrs-full_PurchaseOfTreasuryShares" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IncreaseDecreaseThroughSharingInSuccessProgrammeEquity" xlink:label="nwg_IncreaseDecreaseThroughSharingInSuccessProgrammeEquity" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="nwg_TransactionsWithOwnersAbstract" xlink:to="nwg_IncreaseDecreaseThroughSharingInSuccessProgrammeEquity" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IncreaseDecreaseThroughEmployeeShareSchemeTransactionsEquity" xlink:label="nwg_IncreaseDecreaseThroughEmployeeShareSchemeTransactionsEquity" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="nwg_TransactionsWithOwnersAbstract" xlink:to="nwg_IncreaseDecreaseThroughEmployeeShareSchemeTransactionsEquity" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IncreaseDecreaseThroughIssuanceOfSharesUnderEmployeeShareSchemes" xlink:label="nwg_IncreaseDecreaseThroughIssuanceOfSharesUnderEmployeeShareSchemes" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="nwg_TransactionsWithOwnersAbstract" xlink:to="nwg_IncreaseDecreaseThroughIssuanceOfSharesUnderEmployeeShareSchemes" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="nwg_TransactionsWithOwnersAbstract" xlink:to="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/StatementCondensedConsolidatedStatementOfChangesInEquityParenthetical" xlink:type="extended" xlink:title="00405 - Statement - Condensed consolidated statement of changes in equity (Parenthetical)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityTable" xlink:label="ifrs-full_StatementOfChangesInEquityTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ShareRepurchaseProgramAxis" xlink:label="srt_ShareRepurchaseProgramAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_StatementOfChangesInEquityTable" xlink:to="srt_ShareRepurchaseProgramAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ShareRepurchaseProgramDomain" xlink:label="srt_ShareRepurchaseProgramDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="srt_ShareRepurchaseProgramAxis" xlink:to="srt_ShareRepurchaseProgramDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OnMarketShareBuybackProgrammeMember" xlink:label="nwg_OnMarketShareBuybackProgrammeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="srt_ShareRepurchaseProgramDomain" xlink:to="nwg_OnMarketShareBuybackProgrammeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityLineItems" xlink:label="ifrs-full_StatementOfChangesInEquityLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_StatementOfChangesInEquityTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CapitalRedemptionReserve" xlink:label="ifrs-full_CapitalRedemptionReserve" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_CapitalRedemptionReserve" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TreasuryShares" xlink:label="ifrs-full_TreasuryShares" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_TreasuryShares" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShareIssueRelatedCost" xlink:label="ifrs-full_ShareIssueRelatedCost" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_ShareIssueRelatedCost" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TaxCreditOnShareIssueRelatedCost" xlink:label="nwg_TaxCreditOnShareIssueRelatedCost" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="nwg_TaxCreditOnShareIssueRelatedCost" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NumberOfSharesRepurchasedAndCancelledDuringPeriod" xlink:label="nwg_NumberOfSharesRepurchasedAndCancelledDuringPeriod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="nwg_NumberOfSharesRepurchasedAndCancelledDuringPeriod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:label="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OutstandingShareRepurchasesSettlementAmount" xlink:label="nwg_OutstandingShareRepurchasesSettlementAmount" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="nwg_OutstandingShareRepurchasesSettlementAmount" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationUponWindDownOfBusiness" xlink:label="nwg_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationUponWindDownOfBusiness" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="nwg_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationUponWindDownOfBusiness" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationCapitalRepatriation" xlink:label="nwg_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationCapitalRepatriation" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_StatementOfChangesInEquityLineItems" xlink:to="nwg_ReclassificationAdjustmentsOnExchangeDifferencesOnTranslationCapitalRepatriation" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureAcquisitionOfEvelynPartnersTables" xlink:type="extended" xlink:title="30203 - Disclosure - Acquisition of Evelyn Partners (Tables)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsAxis" xlink:label="ifrs-full_BusinessCombinationsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:to="ifrs-full_BusinessCombinationsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsDomain" xlink:label="ifrs-full_BusinessCombinationsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BusinessCombinationsAxis" xlink:to="ifrs-full_BusinessCombinationsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_EvelynPartnersMember" xlink:label="nwg_EvelynPartnersMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BusinessCombinationsDomain" xlink:to="nwg_EvelynPartnersMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_DisclosureOfBusinessCombinationsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosurePresentationOfCondensedConsolidatedFinancialStatementsEstimatedUsefulLivesOfIntangibleAssetsDetails" xlink:type="extended" xlink:title="40101 - Disclosure - Presentation of condensed consolidated financial statements - Estimated Useful Lives of Intangible Assets (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:to="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:label="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis" xlink:to="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CustomerrelatedIntangibleAssetsMember" xlink:label="ifrs-full_CustomerrelatedIntangibleAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:to="ifrs-full_CustomerrelatedIntangibleAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BrandNamesMember" xlink:label="ifrs-full_BrandNamesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain" xlink:to="ifrs-full_BrandNamesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeAxis" xlink:label="ifrs-full_RangeAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsTable" xlink:to="ifrs-full_RangeAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeDomain" xlink:label="ifrs-full_RangeDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangeDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BottomOfRangeMember" xlink:label="ifrs-full_BottomOfRangeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_RangeDomain" xlink:to="ifrs-full_BottomOfRangeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TopOfRangeMember" xlink:label="ifrs-full_TopOfRangeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_RangeDomain" xlink:to="ifrs-full_TopOfRangeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" xlink:label="ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsLineItems" xlink:to="ifrs-full_UsefulLifeMeasuredAsPeriodOfTimeIntangibleAssetsOtherThanGoodwill" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureAcquisitionOfEvelynPartnersDetails" xlink:type="extended" xlink:title="40201 - Disclosure - Acquisition of Evelyn Partners (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsAxis" xlink:label="ifrs-full_BusinessCombinationsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:to="ifrs-full_BusinessCombinationsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsDomain" xlink:label="ifrs-full_BusinessCombinationsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BusinessCombinationsAxis" xlink:to="ifrs-full_BusinessCombinationsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_EvelynPartnersMember" xlink:label="nwg_EvelynPartnersMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BusinessCombinationsDomain" xlink:to="nwg_EvelynPartnersMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_DisclosureOfBusinessCombinationsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_BusinessCombinationAcquireeEnterpriseValue" xlink:label="nwg_BusinessCombinationAcquireeEnterpriseValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="nwg_BusinessCombinationAcquireeEnterpriseValue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PercentageOfVotingEquityInterestsAcquired" xlink:label="ifrs-full_PercentageOfVotingEquityInterestsAcquired" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_PercentageOfVotingEquityInterestsAcquired" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:label="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureAcquisitionOfEvelynPartnersConsiderationTransferredDetails" xlink:type="extended" xlink:title="40202 - Disclosure - Acquisition of Evelyn Partners - Consideration transferred (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsAxis" xlink:label="ifrs-full_BusinessCombinationsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:to="ifrs-full_BusinessCombinationsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsDomain" xlink:label="ifrs-full_BusinessCombinationsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BusinessCombinationsAxis" xlink:to="ifrs-full_BusinessCombinationsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_EvelynPartnersMember" xlink:label="nwg_EvelynPartnersMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BusinessCombinationsDomain" xlink:to="nwg_EvelynPartnersMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_DisclosureOfBusinessCombinationsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashTransferred" xlink:label="ifrs-full_CashTransferred" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_CashTransferred" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ConsiderationTransferredShareBasedPaymentAwardsForPreCombinationServices" xlink:label="nwg_ConsiderationTransferredShareBasedPaymentAwardsForPreCombinationServices" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="nwg_ConsiderationTransferredShareBasedPaymentAwardsForPreCombinationServices" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" xlink:label="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_AcquisitiondateFairValueOfTotalConsiderationTransferred" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureAcquisitionOfEvelynPartnersConsiderationTransferredProvisionalFairValuesOfIdentifiableNetAssetsAcquiredDetails" xlink:type="extended" xlink:title="40203 - Disclosure - Acquisition of Evelyn Partners - Consideration transferred - Provisional fair values of identifiable net assets acquired (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsAxis" xlink:label="ifrs-full_BusinessCombinationsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:to="ifrs-full_BusinessCombinationsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsDomain" xlink:label="ifrs-full_BusinessCombinationsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BusinessCombinationsAxis" xlink:to="ifrs-full_BusinessCombinationsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_EvelynPartnersMember" xlink:label="nwg_EvelynPartnersMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BusinessCombinationsDomain" xlink:to="nwg_EvelynPartnersMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_DisclosureOfBusinessCombinationsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:label="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:to="ifrs-full_CashAndCashEquivalentsRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_RightOfUseAssetsRecognisedAsOfAcquisitionDate" xlink:label="nwg_RightOfUseAssetsRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:to="nwg_RightOfUseAssetsRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:to="ifrs-full_PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:to="ifrs-full_IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherAssetsRecognisedAsOfAcquisitionDate" xlink:label="nwg_OtherAssetsRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:to="nwg_OtherAssetsRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BorrowingsRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_BorrowingsRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:to="ifrs-full_BorrowingsRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:to="ifrs-full_DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_LeaseLiabilitiesRecognisedAsOfAcquisitionDate" xlink:label="nwg_LeaseLiabilitiesRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:to="nwg_LeaseLiabilitiesRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherLiabilitiesRecognisedAsOfAcquisitionDate" xlink:label="nwg_OtherLiabilitiesRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:to="nwg_OtherLiabilitiesRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" xlink:label="ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:to="ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract" xlink:to="ifrs-full_GoodwillRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GoodwillExpectedDeductibleForTaxPurposes" xlink:label="ifrs-full_GoodwillExpectedDeductibleForTaxPurposes" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_GoodwillExpectedDeductibleForTaxPurposes" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureAcquisitionOfEvelynPartnersTransactionsAccountedForSeparatelyDetails" xlink:type="extended" xlink:title="40204 - Disclosure - Acquisition of Evelyn Partners - Transactions accounted for separately (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationAxis" xlink:label="ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:to="ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationDomain" xlink:label="ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationAxis" xlink:to="ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_RepaymentOfExternalDebtLeadingToReductionInBorrowingsMember" xlink:label="nwg_RepaymentOfExternalDebtLeadingToReductionInBorrowingsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationDomain" xlink:to="nwg_RepaymentOfExternalDebtLeadingToReductionInBorrowingsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ProceedsFromSettlementOfManagementLoansHeldByPreviousInvestorsMember" xlink:label="nwg_ProceedsFromSettlementOfManagementLoansHeldByPreviousInvestorsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationDomain" xlink:to="nwg_ProceedsFromSettlementOfManagementLoansHeldByPreviousInvestorsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsAxis" xlink:label="ifrs-full_BusinessCombinationsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:to="ifrs-full_BusinessCombinationsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsDomain" xlink:label="ifrs-full_BusinessCombinationsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BusinessCombinationsAxis" xlink:to="ifrs-full_BusinessCombinationsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_EvelynPartnersMember" xlink:label="nwg_EvelynPartnersMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BusinessCombinationsDomain" xlink:to="nwg_EvelynPartnersMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_DisclosureOfBusinessCombinationsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AmountsRecognisedForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:label="ifrs-full_AmountsRecognisedForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_AmountsRecognisedForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureAcquisitionOfEvelynPartnersImpactOnConsolidatedIncomeStatementDetails" xlink:type="extended" xlink:title="40205 - Disclosure - Acquisition of Evelyn Partners - Impact on the consolidated income statement (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsAxis" xlink:label="ifrs-full_BusinessCombinationsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:to="ifrs-full_BusinessCombinationsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsDomain" xlink:label="ifrs-full_BusinessCombinationsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BusinessCombinationsAxis" xlink:to="ifrs-full_BusinessCombinationsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_EvelynPartnersMember" xlink:label="nwg_EvelynPartnersMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BusinessCombinationsDomain" xlink:to="nwg_EvelynPartnersMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_DisclosureOfBusinessCombinationsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" xlink:label="ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureAcquisitionOfEvelynPartnersIllustrativeProFormaInformationDetails" xlink:type="extended" xlink:title="40206 - Disclosure - Acquisition of Evelyn Partners - Illustrative pro-forma information (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsAxis" xlink:label="ifrs-full_BusinessCombinationsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:to="ifrs-full_BusinessCombinationsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsDomain" xlink:label="ifrs-full_BusinessCombinationsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BusinessCombinationsAxis" xlink:to="ifrs-full_BusinessCombinationsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_EvelynPartnersMember" xlink:label="nwg_EvelynPartnersMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BusinessCombinationsDomain" xlink:to="nwg_EvelynPartnersMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_DisclosureOfBusinessCombinationsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TotalIncomeOfCombinedEntitry" xlink:label="nwg_TotalIncomeOfCombinedEntitry" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="nwg_TotalIncomeOfCombinedEntitry" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossOfCombinedEntity" xlink:label="ifrs-full_ProfitLossOfCombinedEntity" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_ProfitLossOfCombinedEntity" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureAcquisitionOfEvelynPartnersImpactOnCashFlowStatementDetails" xlink:type="extended" xlink:title="40207 - Disclosure - Acquisition of Evelyn Partners - Impact on the cash flow statement (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsAxis" xlink:label="ifrs-full_BusinessCombinationsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsTable" xlink:to="ifrs-full_BusinessCombinationsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsDomain" xlink:label="ifrs-full_BusinessCombinationsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BusinessCombinationsAxis" xlink:to="ifrs-full_BusinessCombinationsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_EvelynPartnersMember" xlink:label="nwg_EvelynPartnersMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BusinessCombinationsDomain" xlink:to="nwg_EvelynPartnersMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:label="ifrs-full_DisclosureOfBusinessCombinationsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_DisclosureOfBusinessCombinationsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashTransferred" xlink:label="ifrs-full_CashTransferred" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_CashTransferred" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013" xlink:label="ifrs-full_CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_CashAndCashEquivalentsInSubsidiaryOrBusinessesAcquiredOrDisposed2013" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" xlink:label="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfBusinessCombinationsLineItems" xlink:to="ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureSegmentalAnalysisOperatingProfitLossBeforeTaxDetails" xlink:type="extended" xlink:title="40601 - Disclosure - Segmental analysis - Operating profit/(loss) before tax (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsAxis" xlink:label="ifrs-full_SegmentsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_SegmentsAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsDomain" xlink:label="ifrs-full_SegmentsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SegmentsAxis" xlink:to="ifrs-full_SegmentsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReportableSegmentsMember" xlink:label="ifrs-full_ReportableSegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_SegmentsDomain" xlink:to="ifrs-full_ReportableSegmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_RetailBankingMember" xlink:label="nwg_RetailBankingMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="nwg_RetailBankingMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_CommercialAndInstitutionalMember" xlink:label="nwg_CommercialAndInstitutionalMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="nwg_CommercialAndInstitutionalMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_CentralItemsAndOtherMember" xlink:label="nwg_CentralItemsAndOtherMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="nwg_CentralItemsAndOtherMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_PrivateBankingMember" xlink:label="nwg_PrivateBankingMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="nwg_PrivateBankingMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentConsolidationItemsAxis" xlink:label="ifrs-full_SegmentConsolidationItemsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_SegmentConsolidationItemsAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentConsolidationItemsDomain" xlink:label="ifrs-full_SegmentConsolidationItemsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SegmentConsolidationItemsAxis" xlink:to="ifrs-full_SegmentConsolidationItemsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OperatingSegmentsMember" xlink:label="ifrs-full_OperatingSegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_SegmentConsolidationItemsDomain" xlink:to="ifrs-full_OperatingSegmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_DisclosureOfOperatingSegmentsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestRevenueExpense" xlink:label="ifrs-full_InterestRevenueExpense" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_InterestRevenueExpense" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FeeAndCommissionIncomeExpense" xlink:label="ifrs-full_FeeAndCommissionIncomeExpense" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_FeeAndCommissionIncomeExpense" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherNonInterestIncome" xlink:label="nwg_OtherNonInterestIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="nwg_OtherNonInterestIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NetInterestIncomeAndNetNonInterestIncome" xlink:label="nwg_NetInterestIncomeAndNetNonInterestIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="nwg_NetInterestIncomeAndNetNonInterestIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationAndAmortisationExpense" xlink:label="ifrs-full_DepreciationAndAmortisationExpense" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_DepreciationAndAmortisationExpense" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherOperatingExpenses" xlink:label="nwg_OtherOperatingExpenses" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="nwg_OtherOperatingExpenses" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9" xlink:label="ifrs-full_ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_ProfitLossBeforeTax" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureSegmentalAnalysisTotalRevenueDetails" xlink:type="extended" xlink:title="40602 - Disclosure - Segmental analysis - Total revenue (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentConsolidationItemsAxis" xlink:label="ifrs-full_SegmentConsolidationItemsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_SegmentConsolidationItemsAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentConsolidationItemsDomain" xlink:label="ifrs-full_SegmentConsolidationItemsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SegmentConsolidationItemsAxis" xlink:to="ifrs-full_SegmentConsolidationItemsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EliminationOfIntersegmentAmountsMember" xlink:label="ifrs-full_EliminationOfIntersegmentAmountsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_SegmentConsolidationItemsDomain" xlink:to="ifrs-full_EliminationOfIntersegmentAmountsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OperatingSegmentsMember" xlink:label="ifrs-full_OperatingSegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_SegmentConsolidationItemsDomain" xlink:to="ifrs-full_OperatingSegmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsAxis" xlink:label="ifrs-full_SegmentsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_SegmentsAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsDomain" xlink:label="ifrs-full_SegmentsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SegmentsAxis" xlink:to="ifrs-full_SegmentsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReportableSegmentsMember" xlink:label="ifrs-full_ReportableSegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_SegmentsDomain" xlink:to="ifrs-full_ReportableSegmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_RetailBankingMember" xlink:label="nwg_RetailBankingMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="nwg_RetailBankingMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_PrivateBankingMember" xlink:label="nwg_PrivateBankingMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="nwg_PrivateBankingMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_CommercialAndInstitutionalMember" xlink:label="nwg_CommercialAndInstitutionalMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="nwg_CommercialAndInstitutionalMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_CentralItemsAndOtherMember" xlink:label="nwg_CentralItemsAndOtherMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="nwg_CentralItemsAndOtherMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_DisclosureOfOperatingSegmentsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Revenue" xlink:label="ifrs-full_Revenue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_Revenue" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureSegmentalAnalysisAssetsAndLiabilitiesDetails" xlink:type="extended" xlink:title="40603 - Disclosure - Segmental analysis - Assets and liabilities (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsAxis" xlink:label="ifrs-full_SegmentsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_SegmentsAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsDomain" xlink:label="ifrs-full_SegmentsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SegmentsAxis" xlink:to="ifrs-full_SegmentsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReportableSegmentsMember" xlink:label="ifrs-full_ReportableSegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_SegmentsDomain" xlink:to="ifrs-full_ReportableSegmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_RetailBankingMember" xlink:label="nwg_RetailBankingMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="nwg_RetailBankingMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_PrivateBankingMember" xlink:label="nwg_PrivateBankingMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="nwg_PrivateBankingMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_CommercialAndInstitutionalMember" xlink:label="nwg_CommercialAndInstitutionalMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="nwg_CommercialAndInstitutionalMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_CentralItemsAndOtherMember" xlink:label="nwg_CentralItemsAndOtherMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="nwg_CentralItemsAndOtherMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_DisclosureOfOperatingSegmentsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_Assets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Liabilities" xlink:label="ifrs-full_Liabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_Liabilities" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureSegmentalAnalysisNetFeesAndCommissionsDetails" xlink:type="extended" xlink:title="40604 - Disclosure - Segmental analysis - Net fees and commissions (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsAxis" xlink:label="ifrs-full_SegmentsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_SegmentsAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentsDomain" xlink:label="ifrs-full_SegmentsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SegmentsAxis" xlink:to="ifrs-full_SegmentsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReportableSegmentsMember" xlink:label="ifrs-full_ReportableSegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_SegmentsDomain" xlink:to="ifrs-full_ReportableSegmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_RetailBankingMember" xlink:label="nwg_RetailBankingMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="nwg_RetailBankingMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_PrivateBankingMember" xlink:label="nwg_PrivateBankingMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="nwg_PrivateBankingMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_CommercialAndInstitutionalMember" xlink:label="nwg_CommercialAndInstitutionalMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="nwg_CommercialAndInstitutionalMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_CentralItemsAndOtherMember" xlink:label="nwg_CentralItemsAndOtherMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ReportableSegmentsMember" xlink:to="nwg_CentralItemsAndOtherMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentConsolidationItemsAxis" xlink:label="ifrs-full_SegmentConsolidationItemsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsTable" xlink:to="ifrs-full_SegmentConsolidationItemsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SegmentConsolidationItemsDomain" xlink:label="ifrs-full_SegmentConsolidationItemsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_SegmentConsolidationItemsAxis" xlink:to="ifrs-full_SegmentConsolidationItemsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OperatingSegmentsMember" xlink:label="ifrs-full_OperatingSegmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_SegmentConsolidationItemsDomain" xlink:to="ifrs-full_OperatingSegmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:label="ifrs-full_DisclosureOfOperatingSegmentsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_DisclosureOfOperatingSegmentsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FeeAndCommissionIncomeExpenseAbstract" xlink:label="ifrs-full_FeeAndCommissionIncomeExpenseAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfOperatingSegmentsLineItems" xlink:to="ifrs-full_FeeAndCommissionIncomeExpenseAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FeeAndCommissionIncomeAbstract" xlink:label="ifrs-full_FeeAndCommissionIncomeAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FeeAndCommissionIncomeExpenseAbstract" xlink:to="ifrs-full_FeeAndCommissionIncomeAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_PaymentServicesProviderFeeAndCommissionIncome" xlink:label="nwg_PaymentServicesProviderFeeAndCommissionIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FeeAndCommissionIncomeAbstract" xlink:to="nwg_PaymentServicesProviderFeeAndCommissionIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_CreditRelatedFeeAndCommissionIncomeCards" xlink:label="nwg_CreditRelatedFeeAndCommissionIncomeCards" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_FeeAndCommissionIncomeAbstract" xlink:to="nwg_CreditRelatedFeeAndCommissionIncomeCards" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CreditrelatedFeeAndCommissionIncome" xlink:label="ifrs-full_CreditrelatedFeeAndCommissionIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_FeeAndCommissionIncomeAbstract" xlink:to="ifrs-full_CreditrelatedFeeAndCommissionIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BrokerageFeeIncome" xlink:label="ifrs-full_BrokerageFeeIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_FeeAndCommissionIncomeAbstract" xlink:to="ifrs-full_BrokerageFeeIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PortfolioAndOtherManagementFeeIncome" xlink:label="ifrs-full_PortfolioAndOtherManagementFeeIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_FeeAndCommissionIncomeAbstract" xlink:to="ifrs-full_PortfolioAndOtherManagementFeeIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_UnderwritingFeeIncome" xlink:label="nwg_UnderwritingFeeIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_FeeAndCommissionIncomeAbstract" xlink:to="nwg_UnderwritingFeeIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherFeeAndCommissionIncome" xlink:label="ifrs-full_OtherFeeAndCommissionIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_FeeAndCommissionIncomeAbstract" xlink:to="ifrs-full_OtherFeeAndCommissionIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FeeAndCommissionIncome" xlink:label="ifrs-full_FeeAndCommissionIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_FeeAndCommissionIncomeAbstract" xlink:to="ifrs-full_FeeAndCommissionIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FeeAndCommissionExpense" xlink:label="ifrs-full_FeeAndCommissionExpense" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_FeeAndCommissionIncomeExpenseAbstract" xlink:to="ifrs-full_FeeAndCommissionExpense" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FeeAndCommissionIncomeExpense" xlink:label="ifrs-full_FeeAndCommissionIncomeExpense" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_FeeAndCommissionIncomeExpenseAbstract" xlink:to="ifrs-full_FeeAndCommissionIncomeExpense" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureTaxReconciliationDetails" xlink:type="extended" xlink:title="40701 - Disclosure - Tax - Reconciliation (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGeographicalAreasTable" xlink:label="ifrs-full_DisclosureOfGeographicalAreasTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfGeographicalAreasTable" xlink:to="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:label="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis" xlink:to="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnusedTaxLossesMember" xlink:label="ifrs-full_UnusedTaxLossesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsDomain" xlink:to="ifrs-full_UnusedTaxLossesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsAxis" xlink:label="ifrs-full_BusinessCombinationsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfGeographicalAreasTable" xlink:to="ifrs-full_BusinessCombinationsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BusinessCombinationsDomain" xlink:label="ifrs-full_BusinessCombinationsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_BusinessCombinationsAxis" xlink:to="ifrs-full_BusinessCombinationsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_EvelynPartnersMember" xlink:label="nwg_EvelynPartnersMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_BusinessCombinationsDomain" xlink:to="nwg_EvelynPartnersMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:label="ifrs-full_DisclosureOfGeographicalAreasLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="ifrs-full_DisclosureOfGeographicalAreasTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ApplicableTaxRate" xlink:label="ifrs-full_ApplicableTaxRate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="ifrs-full_ApplicableTaxRate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="ifrs-full_ProfitLossBeforeTax" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" xlink:label="ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="ifrs-full_TaxExpenseIncomeAtApplicableTaxRate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxEffectOfTaxLosses" xlink:label="ifrs-full_TaxEffectOfTaxLosses" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="ifrs-full_TaxEffectOfTaxLosses" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TaxEffectOfForeignTaxRates" xlink:label="ifrs-full_TaxEffectOfForeignTaxRates" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="ifrs-full_TaxEffectOfForeignTaxRates" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TaxEffectOfLossesOnDisposalsAndWritedownsExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" xlink:label="nwg_TaxEffectOfLossesOnDisposalsAndWritedownsExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="nwg_TaxEffectOfLossesOnDisposalsAndWritedownsExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TaxEffectOfBankLevyExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" xlink:label="nwg_TaxEffectOfBankLevyExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="nwg_TaxEffectOfBankLevyExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TaxEffectOfRegulatoryAndLegalActionsExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" xlink:label="nwg_TaxEffectOfRegulatoryAndLegalActionsExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="nwg_TaxEffectOfRegulatoryAndLegalActionsExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TaxEffectOfOtherExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" xlink:label="nwg_TaxEffectOfOtherExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="nwg_TaxEffectOfOtherExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TaxEffectOfNonTaxableForeignCurrencyRecycling" xlink:label="nwg_TaxEffectOfNonTaxableForeignCurrencyRecycling" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="nwg_TaxEffectOfNonTaxableForeignCurrencyRecycling" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TaxEffectOfRetailPriceIndexRelatedUpliftOnIndexLinkedGilts" xlink:label="nwg_TaxEffectOfRetailPriceIndexRelatedUpliftOnIndexLinkedGilts" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="nwg_TaxEffectOfRetailPriceIndexRelatedUpliftOnIndexLinkedGilts" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" xlink:label="ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="13" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="ifrs-full_OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TaxEffectOnForeignExchangeMovements" xlink:label="nwg_TaxEffectOnForeignExchangeMovements" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="14" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="nwg_TaxEffectOnForeignExchangeMovements" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TaxEffectOnLossesBroughtForwardAndUtilised" xlink:label="nwg_TaxEffectOnLossesBroughtForwardAndUtilised" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="15" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="nwg_TaxEffectOnLossesBroughtForwardAndUtilised" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TaxEffectOfIncreasesDecreasesInDeferredTaxAssets" xlink:label="nwg_TaxEffectOfIncreasesDecreasesInDeferredTaxAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="16" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="nwg_TaxEffectOfIncreasesDecreasesInDeferredTaxAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TaxEffectOnBankingSurcharge" xlink:label="nwg_TaxEffectOnBankingSurcharge" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="17" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="nwg_TaxEffectOnBankingSurcharge" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TaxEffectOfTaxOnPaidInEquityDividends" xlink:label="nwg_TaxEffectOfTaxOnPaidInEquityDividends" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="18" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="nwg_TaxEffectOfTaxOnPaidInEquityDividends" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TaxEffectOnAdjustmentsInRespectOfPriorYears" xlink:label="nwg_TaxEffectOnAdjustmentsInRespectOfPriorYears" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="19" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="nwg_TaxEffectOnAdjustmentsInRespectOfPriorYears" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="20" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxAssets" xlink:label="ifrs-full_DeferredTaxAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="21" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="ifrs-full_DeferredTaxAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxLiabilities" xlink:label="ifrs-full_DeferredTaxLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="22" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="ifrs-full_DeferredTaxLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate" xlink:label="ifrs-full_DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="23" xlink:from="ifrs-full_DisclosureOfGeographicalAreasLineItems" xlink:to="ifrs-full_DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureFinancialInstrumentsClassificationAssetsDetails" xlink:type="extended" xlink:title="40801 - Disclosure - Financial instruments - classification - Assets (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:to="ifrs-full_CategoriesOfFinancialAssetsAxis" priority="4" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:label="ifrs-full_CategoriesOfFinancialAssetsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:to="ifrs-full_CategoriesOfFinancialAssetsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" xlink:label="ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:to="ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherAssetsMember" xlink:label="ifrs-full_OtherAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:to="ifrs-full_OtherAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain" xlink:label="ifrs-full_ClassesOfFinancialAssetsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_ClassesOfFinancialAssetsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IfrsCashAndCashEquivalentsMember" xlink:label="nwg_IfrsCashAndCashEquivalentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_IfrsCashAndCashEquivalentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TradingAssetsMember" xlink:label="nwg_TradingAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_TradingAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativesMember" xlink:label="ifrs-full_DerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="ifrs-full_DerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_SettlementBalancesAssetMember" xlink:label="nwg_SettlementBalancesAssetMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_SettlementBalancesAssetMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_LoansToBanksAmortisedCostMember" xlink:label="nwg_LoansToBanksAmortisedCostMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_LoansToBanksAmortisedCostMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_LoansToCustomersAmortisedCostMember" xlink:label="nwg_LoansToCustomersAmortisedCostMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_LoansToCustomersAmortisedCostMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherFinancialAssetsMember" xlink:label="nwg_OtherFinancialAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_OtherFinancialAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsOtherThanGoodwillMember" xlink:label="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="ifrs-full_IntangibleAssetsOtherThanGoodwillMember" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="ifrs-full_OtherAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_DisclosureOfFinancialInstrumentsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssets" xlink:label="ifrs-full_FinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_FinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_Assets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativeFinancialAssetsHeldForHedging" xlink:label="ifrs-full_DerivativeFinancialAssetsHeldForHedging" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_DerivativeFinancialAssetsHeldForHedging" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ItemsInCourseOfCollectionFromOtherBanks" xlink:label="ifrs-full_ItemsInCourseOfCollectionFromOtherBanks" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_ItemsInCourseOfCollectionFromOtherBanks" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceLeaseReceivables" xlink:label="ifrs-full_FinanceLeaseReceivables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_FinanceLeaseReceivables" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureFinancialInstrumentsClassificationLiabilitiesDetails" xlink:type="extended" xlink:title="40802 - Disclosure - Financial instruments - classification - Liabilities (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:to="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_CategoriesOfFinancialLiabilitiesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:to="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IfrsOtherLiabilitiesMember" xlink:label="nwg_IfrsOtherLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:to="nwg_IfrsOtherLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain" xlink:label="ifrs-full_ClassesOfFinancialAssetsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_ClassesOfFinancialAssetsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_LoansToCustomersAmortisedCostMember" xlink:label="nwg_LoansToCustomersAmortisedCostMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_LoansToCustomersAmortisedCostMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_DepositsByBanksMember" xlink:label="nwg_DepositsByBanksMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_DepositsByBanksMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_DepositsByCustomerMember" xlink:label="nwg_DepositsByCustomerMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_DepositsByCustomerMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_SettlementBalancesLiabilitiesMember" xlink:label="nwg_SettlementBalancesLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_SettlementBalancesLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IfrsTradingLiabilitiesMember" xlink:label="nwg_IfrsTradingLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_IfrsTradingLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativesMember" xlink:label="ifrs-full_DerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="ifrs-full_DerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherFinancialLiabilitiesMember" xlink:label="nwg_OtherFinancialLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_OtherFinancialLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_SubordinatedFinancialLiabilitiesMember" xlink:label="nwg_SubordinatedFinancialLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_SubordinatedFinancialLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NotesInCirculationMember" xlink:label="nwg_NotesInCirculationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_NotesInCirculationMember" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_IfrsOtherLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_DisclosureOfFinancialInstrumentsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilities" xlink:label="ifrs-full_FinancialLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_FinancialLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativeFinancialLiabilitiesHeldForHedging" xlink:label="ifrs-full_DerivativeFinancialLiabilitiesHeldForHedging" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_DerivativeFinancialLiabilitiesHeldForHedging" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinanceLeaseReceivables" xlink:label="ifrs-full_FinanceLeaseReceivables" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_FinanceLeaseReceivables" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ItemsInCourseOfTransmissionToOtherBanks" xlink:label="ifrs-full_ItemsInCourseOfTransmissionToOtherBanks" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_ItemsInCourseOfTransmissionToOtherBanks" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ChangesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability" xlink:label="ifrs-full_ChangesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_ChangesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LeaseLiabilities" xlink:label="ifrs-full_LeaseLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_LeaseLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" xlink:label="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_ProceedsFromBorrowingsClassifiedAsFinancingActivities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" xlink:label="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsLineItems" xlink:to="ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureFinancialInstrumentsValuationHierarchyOfAssetsDetails" xlink:type="extended" xlink:title="40901 - Disclosure - Financial instruments - valuation - Hierarchy of assets (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementAxis" xlink:label="ifrs-full_MeasurementAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_MeasurementAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementDomain" xlink:label="ifrs-full_MeasurementDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MeasurementAxis" xlink:to="ifrs-full_MeasurementDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AtFairValueMember" xlink:label="ifrs-full_AtFairValueMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_MeasurementDomain" xlink:to="ifrs-full_AtFairValueMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_LevelsOfFairValueHierarchyAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:label="ifrs-full_LevelsOfFairValueHierarchyDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="ifrs-full_LevelsOfFairValueHierarchyDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level1OfFairValueHierarchyMember" xlink:label="ifrs-full_Level1OfFairValueHierarchyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="ifrs-full_Level1OfFairValueHierarchyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level2OfFairValueHierarchyMember" xlink:label="ifrs-full_Level2OfFairValueHierarchyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="ifrs-full_Level2OfFairValueHierarchyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level3OfFairValueHierarchyMember" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="ifrs-full_Level3OfFairValueHierarchyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain" xlink:label="ifrs-full_ClassesOfFinancialAssetsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_ClassesOfFinancialAssetsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TradingLoansMember" xlink:label="nwg_TradingLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_TradingLoansMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradingSecuritiesMember" xlink:label="ifrs-full_TradingSecuritiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="ifrs-full_TradingSecuritiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_InterestRateDerivativesMember" xlink:label="nwg_InterestRateDerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_InterestRateDerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ForeignExchangeDerivativesMember" xlink:label="nwg_ForeignExchangeDerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_ForeignExchangeDerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherDerivativesMember" xlink:label="nwg_OtherDerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_OtherDerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherLoansMember" xlink:label="nwg_OtherLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_OtherLoansMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherEquitySecuritiesMember" xlink:label="ifrs-full_OtherEquitySecuritiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="ifrs-full_OtherEquitySecuritiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValue" xlink:label="ifrs-full_FinancialAssetsAtFairValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ifrs-full_FinancialAssetsAtFairValue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_PercentageOfFairValueAssetsHierarchyToTotalFinancialAssets" xlink:label="nwg_PercentageOfFairValueAssetsHierarchyToTotalFinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="nwg_PercentageOfFairValueAssetsHierarchyToTotalFinancialAssets" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureFinancialInstrumentsValuationHierarchyOfLiabilitiesDetails" xlink:type="extended" xlink:title="40902 - Disclosure - Financial instruments - valuation - Hierarchy of liabilities (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementAxis" xlink:label="ifrs-full_MeasurementAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:to="ifrs-full_MeasurementAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementDomain" xlink:label="ifrs-full_MeasurementDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MeasurementAxis" xlink:to="ifrs-full_MeasurementDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AtFairValueMember" xlink:label="ifrs-full_AtFairValueMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_MeasurementDomain" xlink:to="ifrs-full_AtFairValueMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:to="ifrs-full_LevelsOfFairValueHierarchyAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:label="ifrs-full_LevelsOfFairValueHierarchyDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="ifrs-full_LevelsOfFairValueHierarchyDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level1OfFairValueHierarchyMember" xlink:label="ifrs-full_Level1OfFairValueHierarchyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="ifrs-full_Level1OfFairValueHierarchyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level2OfFairValueHierarchyMember" xlink:label="ifrs-full_Level2OfFairValueHierarchyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="ifrs-full_Level2OfFairValueHierarchyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level3OfFairValueHierarchyMember" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="ifrs-full_Level3OfFairValueHierarchyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TradingDepositsMember" xlink:label="nwg_TradingDepositsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_TradingDepositsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_DebtSecuritiesInIssueTradingMember" xlink:label="nwg_DebtSecuritiesInIssueTradingMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_DebtSecuritiesInIssueTradingMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ShortPositionsTradingMember" xlink:label="nwg_ShortPositionsTradingMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_ShortPositionsTradingMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_InterestRateDerivativesMember" xlink:label="nwg_InterestRateDerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_InterestRateDerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ForeignExchangeDerivativesMember" xlink:label="nwg_ForeignExchangeDerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_ForeignExchangeDerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherDerivativesMember" xlink:label="nwg_OtherDerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_OtherDerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherDebtSecuritiesInIssueMember" xlink:label="nwg_OtherDebtSecuritiesInIssueMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_OtherDebtSecuritiesInIssueMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherDepositsMember" xlink:label="nwg_OtherDepositsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_OtherDepositsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_SubordinatedFinancialLiabilitiesMember" xlink:label="nwg_SubordinatedFinancialLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_SubordinatedFinancialLiabilitiesMember" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="4" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:to="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_CategoriesOfFinancialLiabilitiesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:to="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValue" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_PercentageOfFairValueLiabilitiesHierarchyToTotalFinancialLiabilities" xlink:label="nwg_PercentageOfFairValueLiabilitiesHierarchyToTotalFinancialLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="nwg_PercentageOfFairValueLiabilitiesHierarchyToTotalFinancialLiabilities" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureFinancialInstrumentsValuationLevel3SensitivitiesOfAssetsDetails" xlink:type="extended" xlink:title="40904 - Disclosure - Financial instruments - valuation - Level 3 Sensitivities of Assets (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementAxis" xlink:label="ifrs-full_MeasurementAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_MeasurementAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementDomain" xlink:label="ifrs-full_MeasurementDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MeasurementAxis" xlink:to="ifrs-full_MeasurementDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AtFairValueMember" xlink:label="ifrs-full_AtFairValueMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_MeasurementDomain" xlink:to="ifrs-full_AtFairValueMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_LevelsOfFairValueHierarchyAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:label="ifrs-full_LevelsOfFairValueHierarchyDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="ifrs-full_LevelsOfFairValueHierarchyDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level3OfFairValueHierarchyMember" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="ifrs-full_Level3OfFairValueHierarchyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain" xlink:label="ifrs-full_ClassesOfFinancialAssetsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_ClassesOfFinancialAssetsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TradingLoansMember" xlink:label="nwg_TradingLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_TradingLoansMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativesMember" xlink:label="ifrs-full_DerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="ifrs-full_DerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_InterestRateDerivativesMember" xlink:label="nwg_InterestRateDerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_InterestRateDerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ForeignExchangeDerivativesMember" xlink:label="nwg_ForeignExchangeDerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_ForeignExchangeDerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherDerivativesMember" xlink:label="nwg_OtherDerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_OtherDerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherLoansMember" xlink:label="nwg_OtherLoansMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_OtherLoansMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherEquitySecuritiesMember" xlink:label="ifrs-full_OtherEquitySecuritiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="ifrs-full_OtherEquitySecuritiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValue" xlink:label="ifrs-full_FinancialAssetsAtFairValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ifrs-full_FinancialAssetsAtFairValue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets" xlink:label="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets" xlink:label="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputAssets" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureFinancialInstrumentsValuationLevel3SensitivitiesOfLiabilitiesDetails" xlink:type="extended" xlink:title="40905 - Disclosure - Financial instruments - valuation - Level 3 Sensitivities of Liabilities (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementAxis" xlink:label="ifrs-full_MeasurementAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:to="ifrs-full_MeasurementAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementDomain" xlink:label="ifrs-full_MeasurementDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MeasurementAxis" xlink:to="ifrs-full_MeasurementDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AtFairValueMember" xlink:label="ifrs-full_AtFairValueMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_MeasurementDomain" xlink:to="ifrs-full_AtFairValueMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:to="ifrs-full_LevelsOfFairValueHierarchyAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:label="ifrs-full_LevelsOfFairValueHierarchyDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="ifrs-full_LevelsOfFairValueHierarchyDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level3OfFairValueHierarchyMember" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="ifrs-full_Level3OfFairValueHierarchyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TradingDepositsMember" xlink:label="nwg_TradingDepositsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_TradingDepositsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ShortPositionsTradingMember" xlink:label="nwg_ShortPositionsTradingMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_ShortPositionsTradingMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativesMember" xlink:label="ifrs-full_DerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="ifrs-full_DerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_InterestRateDerivativesMember" xlink:label="nwg_InterestRateDerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_InterestRateDerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ForeignExchangeDerivativesMember" xlink:label="nwg_ForeignExchangeDerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_ForeignExchangeDerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherDerivativesMember" xlink:label="nwg_OtherDerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_OtherDerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherDebtSecuritiesInIssueMember" xlink:label="nwg_OtherDebtSecuritiesInIssueMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_OtherDebtSecuritiesInIssueMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherDepositsMember" xlink:label="nwg_OtherDepositsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_OtherDepositsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValue" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputLiabilities" xlink:label="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities" xlink:label="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_SpecifiedTargetLevelOfCertaintyForUnobservableInputs" xlink:label="nwg_SpecifiedTargetLevelOfCertaintyForUnobservableInputs" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="nwg_SpecifiedTargetLevelOfCertaintyForUnobservableInputs" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureFinancialInstrumentsValuationMovementInLevel3PortfoliosAssetsDetails" xlink:type="extended" xlink:title="40906 - Disclosure - Financial instruments - valuation - Movement in Level 3 portfolios - Assets (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementAxis" xlink:label="ifrs-full_MeasurementAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_MeasurementAxis" priority="3" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementDomain" xlink:label="ifrs-full_MeasurementDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MeasurementAxis" xlink:to="ifrs-full_MeasurementDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AtFairValueMember" xlink:label="ifrs-full_AtFairValueMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_MeasurementDomain" xlink:to="ifrs-full_AtFairValueMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_LevelsOfFairValueHierarchyAxis" priority="3" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:label="ifrs-full_LevelsOfFairValueHierarchyDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="ifrs-full_LevelsOfFairValueHierarchyDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level3OfFairValueHierarchyMember" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="ifrs-full_Level3OfFairValueHierarchyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain" xlink:label="ifrs-full_ClassesOfFinancialAssetsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_ClassesOfFinancialAssetsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativesMember" xlink:label="ifrs-full_DerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="ifrs-full_DerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherTradingAssetsMember" xlink:label="nwg_OtherTradingAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_OtherTradingAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_FinancialAssetsOtherMember" xlink:label="nwg_FinancialAssetsOtherMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_FinancialAssetsOtherMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInFairValueMeasurementAssetsAbstract" xlink:label="ifrs-full_ReconciliationOfChangesInFairValueMeasurementAssetsAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ifrs-full_ReconciliationOfChangesInFairValueMeasurementAssetsAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValue" xlink:label="ifrs-full_FinancialAssetsAtFairValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ReconciliationOfChangesInFairValueMeasurementAssetsAbstract" xlink:to="ifrs-full_FinancialAssetsAtFairValue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesRecognisedInProfitOrLossExcludingExchangeDifferencesFairValueMeasurementAssets" xlink:label="ifrs-full_GainsLossesRecognisedInProfitOrLossExcludingExchangeDifferencesFairValueMeasurementAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ReconciliationOfChangesInFairValueMeasurementAssetsAbstract" xlink:to="ifrs-full_GainsLossesRecognisedInProfitOrLossExcludingExchangeDifferencesFairValueMeasurementAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeExcludingExchangeDifferencesFairValueMeasurementAssets" xlink:label="ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeExcludingExchangeDifferencesFairValueMeasurementAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ReconciliationOfChangesInFairValueMeasurementAssetsAbstract" xlink:to="ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeExcludingExchangeDifferencesFairValueMeasurementAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransfersIntoLevel3OfFairValueHierarchyAssets" xlink:label="ifrs-full_TransfersIntoLevel3OfFairValueHierarchyAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ReconciliationOfChangesInFairValueMeasurementAssetsAbstract" xlink:to="ifrs-full_TransfersIntoLevel3OfFairValueHierarchyAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyAssets" xlink:label="ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_ReconciliationOfChangesInFairValueMeasurementAssetsAbstract" xlink:to="ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchasesFairValueMeasurementAssets" xlink:label="ifrs-full_PurchasesFairValueMeasurementAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_ReconciliationOfChangesInFairValueMeasurementAssetsAbstract" xlink:to="ifrs-full_PurchasesFairValueMeasurementAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SettlementsFairValueMeasurementAssets" xlink:label="ifrs-full_SettlementsFairValueMeasurementAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_ReconciliationOfChangesInFairValueMeasurementAssetsAbstract" xlink:to="ifrs-full_SettlementsFairValueMeasurementAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SalesFairValueMeasurementAssets" xlink:label="ifrs-full_SalesFairValueMeasurementAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_ReconciliationOfChangesInFairValueMeasurementAssetsAbstract" xlink:to="ifrs-full_SalesFairValueMeasurementAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ForeignExchangeAndOtherAdjustmentsFairValueMeasurementAssets" xlink:label="nwg_ForeignExchangeAndOtherAdjustmentsFairValueMeasurementAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_ReconciliationOfChangesInFairValueMeasurementAssetsAbstract" xlink:to="nwg_ForeignExchangeAndOtherAdjustmentsFairValueMeasurementAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForAssetsHeldAtEndOfPeriodFairValueMeasurement" xlink:label="ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForAssetsHeldAtEndOfPeriodFairValueMeasurement" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_ReconciliationOfChangesInFairValueMeasurementAssetsAbstract" xlink:to="ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForAssetsHeldAtEndOfPeriodFairValueMeasurement" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TransfersIntoLevel3OfFairValueHierarchyThroughChangedObservabilityOfSwapsAndDecreaseInProportionOfTradesWithUnobservableInputsInStructuredNettingAssetsAndLiabilities" xlink:label="nwg_TransfersIntoLevel3OfFairValueHierarchyThroughChangedObservabilityOfSwapsAndDecreaseInProportionOfTradesWithUnobservableInputsInStructuredNettingAssetsAndLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_ReconciliationOfChangesInFairValueMeasurementAssetsAbstract" xlink:to="nwg_TransfersIntoLevel3OfFairValueHierarchyThroughChangedObservabilityOfSwapsAndDecreaseInProportionOfTradesWithUnobservableInputsInStructuredNettingAssetsAndLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TransfersOutOfLevel3OfFairValueHierarchyThroughDecreaseInObservabilityOfInputsAssetsAndLiabilities" xlink:label="nwg_TransfersOutOfLevel3OfFairValueHierarchyThroughDecreaseInObservabilityOfInputsAssetsAndLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="ifrs-full_ReconciliationOfChangesInFairValueMeasurementAssetsAbstract" xlink:to="nwg_TransfersOutOfLevel3OfFairValueHierarchyThroughDecreaseInObservabilityOfInputsAssetsAndLiabilities" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureFinancialInstrumentsValuationMovementInLevel3PortfoliosLiabilitiesDetails" xlink:type="extended" xlink:title="40907 - Disclosure - Financial instruments - valuation - Movement in Level 3 portfolios - Liabilities (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementAxis" xlink:label="ifrs-full_MeasurementAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:to="ifrs-full_MeasurementAxis" priority="4" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementDomain" xlink:label="ifrs-full_MeasurementDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MeasurementAxis" xlink:to="ifrs-full_MeasurementDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AtFairValueMember" xlink:label="ifrs-full_AtFairValueMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_MeasurementDomain" xlink:to="ifrs-full_AtFairValueMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:to="ifrs-full_LevelsOfFairValueHierarchyAxis" priority="3" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:label="ifrs-full_LevelsOfFairValueHierarchyDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="ifrs-full_LevelsOfFairValueHierarchyDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Level3OfFairValueHierarchyMember" xlink:label="ifrs-full_Level3OfFairValueHierarchyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_LevelsOfFairValueHierarchyDomain" xlink:to="ifrs-full_Level3OfFairValueHierarchyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:label="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:to="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:label="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionAxis" xlink:to="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherOperatingIncomeAndInterestIncomeMember" xlink:label="nwg_OtherOperatingIncomeAndInterestIncomeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:to="nwg_OtherOperatingIncomeAndInterestIncomeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IncomeFromTradingActivitiesMember" xlink:label="nwg_IncomeFromTradingActivitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_AttributionOfExpensesByNatureToTheirFunctionDomain" xlink:to="nwg_IncomeFromTradingActivitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="4" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DerivativesMember" xlink:label="ifrs-full_DerivativesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="ifrs-full_DerivativesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherTradingLiabilitiesMember" xlink:label="nwg_OtherTradingLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_OtherTradingLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherFinancialLiabilitiesMember" xlink:label="nwg_OtherFinancialLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_OtherFinancialLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValue" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesRecognisedInProfitOrLossExcludingExchangeDifferencesFairValueMeasurementLiabilities" xlink:label="ifrs-full_GainsLossesRecognisedInProfitOrLossExcludingExchangeDifferencesFairValueMeasurementLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_GainsLossesRecognisedInProfitOrLossExcludingExchangeDifferencesFairValueMeasurementLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransfersIntoLevel3OfFairValueHierarchyLiabilities" xlink:label="ifrs-full_TransfersIntoLevel3OfFairValueHierarchyLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_TransfersIntoLevel3OfFairValueHierarchyLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyLiabilities" xlink:label="ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchasesFairValueMeasurementLiabilities" xlink:label="ifrs-full_PurchasesFairValueMeasurementLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_PurchasesFairValueMeasurementLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SettlementsFairValueMeasurementLiabilities" xlink:label="ifrs-full_SettlementsFairValueMeasurementLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_SettlementsFairValueMeasurementLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SalesFairValueMeasurementLiabilities" xlink:label="ifrs-full_SalesFairValueMeasurementLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_SalesFairValueMeasurementLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ForeignExchangeAndOtherAdjustmentsFairValueMeasurementLiabilities" xlink:label="nwg_ForeignExchangeAndOtherAdjustmentsFairValueMeasurementLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="nwg_ForeignExchangeAndOtherAdjustmentsFairValueMeasurementLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForLiabilitiesHeldAtEndOfPeriodFairValueMeasurement" xlink:label="ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForLiabilitiesHeldAtEndOfPeriodFairValueMeasurement" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForLiabilitiesHeldAtEndOfPeriodFairValueMeasurement" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsLiabilities" xlink:label="nwg_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="nwg_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssetsLiabilities" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureFinancialInstrumentsValuationAssetsAtAmortisedCostDetails" xlink:type="extended" xlink:title="40908 - Disclosure - Financial instruments - valuation - Assets at Amortised Cost (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementAxis" xlink:label="ifrs-full_MeasurementAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_MeasurementAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementDomain" xlink:label="ifrs-full_MeasurementDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MeasurementAxis" xlink:to="ifrs-full_MeasurementDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember" xlink:label="ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_MeasurementDomain" xlink:to="ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain" xlink:label="ifrs-full_ClassesOfFinancialAssetsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_ClassesOfFinancialAssetsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IfrsCashAndCashEquivalentsMember" xlink:label="nwg_IfrsCashAndCashEquivalentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_IfrsCashAndCashEquivalentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_LoansAndAdvancesToBanksMember" xlink:label="nwg_LoansAndAdvancesToBanksMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_LoansAndAdvancesToBanksMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_LoansAndAdvancesToCustomersMember" xlink:label="nwg_LoansAndAdvancesToCustomersMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_LoansAndAdvancesToCustomersMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_FinancialAssetsOtherMember" xlink:label="nwg_FinancialAssetsOtherMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_FinancialAssetsOtherMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherEquitySecuritiesMember" xlink:label="ifrs-full_OtherEquitySecuritiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="ifrs-full_OtherEquitySecuritiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_CategoriesOfFinancialAssetsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:label="ifrs-full_CategoriesOfFinancialAssetsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:to="ifrs-full_CategoriesOfFinancialAssetsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtAmortisedCostMember" xlink:label="ifrs-full_FinancialAssetsAtAmortisedCostMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:to="ifrs-full_FinancialAssetsAtAmortisedCostMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssets" xlink:label="ifrs-full_FinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ifrs-full_FinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValue" xlink:label="ifrs-full_FinancialAssetsAtFairValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems" xlink:to="ifrs-full_FinancialAssetsAtFairValue" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureFinancialInstrumentsValuationLiabilitiesAtAmortisedCostDetails" xlink:type="extended" xlink:title="40909 - Disclosure - Financial instruments - valuation - Liabilities at Amortised Cost (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementAxis" xlink:label="ifrs-full_MeasurementAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:to="ifrs-full_MeasurementAxis" priority="3" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementDomain" xlink:label="ifrs-full_MeasurementDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MeasurementAxis" xlink:to="ifrs-full_MeasurementDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember" xlink:label="ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_MeasurementDomain" xlink:to="ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_DepositsByBanksMember" xlink:label="nwg_DepositsByBanksMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_DepositsByBanksMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_DepositsByCustomerMember" xlink:label="nwg_DepositsByCustomerMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_DepositsByCustomerMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_DebtSecuritiesInIssueMember" xlink:label="nwg_DebtSecuritiesInIssueMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_DebtSecuritiesInIssueMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_SubordinatedFinancialLiabilitiesMember" xlink:label="nwg_SubordinatedFinancialLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_SubordinatedFinancialLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" xlink:to="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_CategoriesOfFinancialLiabilitiesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" xlink:label="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesDomain" xlink:to="ifrs-full_FinancialLiabilitiesAtAmortisedCostCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilities" xlink:label="ifrs-full_FinancialLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_FinancialLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValue" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValue" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureTradingAssetsAndLiabilitiesDetails" xlink:type="extended" xlink:title="41001 - Disclosure - Trading assets and liabilities (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_DisclosureOfTradingAssetsAndLiabilitiesTable" xlink:label="nwg_DisclosureOfTradingAssetsAndLiabilitiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasAxis" xlink:label="ifrs-full_GeographicalAreasAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="nwg_DisclosureOfTradingAssetsAndLiabilitiesTable" xlink:to="ifrs-full_GeographicalAreasAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasDomain" xlink:label="ifrs-full_GeographicalAreasDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_GB" xlink:label="country_GB" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_GeographicalAreasDomain" xlink:to="country_GB" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_US" xlink:label="country_US" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_GeographicalAreasDomain" xlink:to="country_US" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_CountriesOtherThanUsAndUkMember" xlink:label="nwg_CountriesOtherThanUsAndUkMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_GeographicalAreasDomain" xlink:to="nwg_CountriesOtherThanUsAndUkMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="nwg_DisclosureOfTradingAssetsAndLiabilitiesTable" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain" xlink:label="ifrs-full_ClassesOfFinancialAssetsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_ClassesOfFinancialAssetsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TradingAssetsMember" xlink:label="nwg_TradingAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_TradingAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="nwg_DisclosureOfTradingAssetsAndLiabilitiesTable" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IfrsTradingLiabilitiesMember" xlink:label="nwg_IfrsTradingLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_IfrsTradingLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_DisclosureOfTradingAssetsAndLiabilitiesLineItems" xlink:label="nwg_DisclosureOfTradingAssetsAndLiabilitiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="nwg_DisclosureOfTradingAssetsAndLiabilitiesLineItems" xlink:to="nwg_DisclosureOfTradingAssetsAndLiabilitiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_LoansAbstract" xlink:label="nwg_LoansAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="nwg_DisclosureOfTradingAssetsAndLiabilitiesLineItems" xlink:to="nwg_LoansAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ReverseRepurchaseAgreements" xlink:label="nwg_ReverseRepurchaseAgreements" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="nwg_LoansAbstract" xlink:to="nwg_ReverseRepurchaseAgreements" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_CollateralOnSecuritiesBorrowed" xlink:label="nwg_CollateralOnSecuritiesBorrowed" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="nwg_LoansAbstract" xlink:to="nwg_CollateralOnSecuritiesBorrowed" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherTradingLoans" xlink:label="nwg_OtherTradingLoans" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="nwg_LoansAbstract" xlink:to="nwg_OtherTradingLoans" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LoansAndAdvancesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:label="ifrs-full_LoansAndAdvancesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="nwg_LoansAbstract" xlink:to="ifrs-full_LoansAndAdvancesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_SecuritiesAbstract" xlink:label="nwg_SecuritiesAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="nwg_DisclosureOfTradingAssetsAndLiabilitiesLineItems" xlink:to="nwg_SecuritiesAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_CentralAndLocalGovernmentSecuritiesHeldAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:label="nwg_CentralAndLocalGovernmentSecuritiesHeldAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="nwg_SecuritiesAbstract" xlink:to="nwg_CentralAndLocalGovernmentSecuritiesHeldAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_FinancialInstitutionsAndCorporateSecuritiesHeldAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:label="nwg_FinancialInstitutionsAndCorporateSecuritiesHeldAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="nwg_SecuritiesAbstract" xlink:to="nwg_FinancialInstitutionsAndCorporateSecuritiesHeldAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DebtInstrumentsHeldAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:label="ifrs-full_DebtInstrumentsHeldAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="nwg_SecuritiesAbstract" xlink:to="ifrs-full_DebtInstrumentsHeldAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="nwg_SecuritiesAbstract" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_Ifrs_depositsAbstract" xlink:label="nwg_Ifrs_depositsAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="nwg_DisclosureOfTradingAssetsAndLiabilitiesLineItems" xlink:to="nwg_Ifrs_depositsAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_RepurchaseAgreements" xlink:label="nwg_RepurchaseAgreements" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="nwg_Ifrs_depositsAbstract" xlink:to="nwg_RepurchaseAgreements" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_CollateralOnSecuritiesLent" xlink:label="nwg_CollateralOnSecuritiesLent" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="nwg_Ifrs_depositsAbstract" xlink:to="nwg_CollateralOnSecuritiesLent" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_DepositsOther" xlink:label="nwg_DepositsOther" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="nwg_Ifrs_depositsAbstract" xlink:to="nwg_DepositsOther" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepositsAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTrading" xlink:label="ifrs-full_DepositsAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTrading" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="nwg_Ifrs_depositsAbstract" xlink:to="ifrs-full_DepositsAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTrading" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_DebtSecuritiesInIssueAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTrading" xlink:label="nwg_DebtSecuritiesInIssueAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTrading" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="nwg_DisclosureOfTradingAssetsAndLiabilitiesLineItems" xlink:to="nwg_DebtSecuritiesInIssueAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTrading" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ShortPositionsInGovernmentSecurities" xlink:label="nwg_ShortPositionsInGovernmentSecurities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="nwg_DisclosureOfTradingAssetsAndLiabilitiesLineItems" xlink:to="nwg_ShortPositionsInGovernmentSecurities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ShortPositionsInFinancialInstitutionAndCorporateSecurities" xlink:label="nwg_ShortPositionsInFinancialInstitutionAndCorporateSecurities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="nwg_DisclosureOfTradingAssetsAndLiabilitiesLineItems" xlink:to="nwg_ShortPositionsInFinancialInstitutionAndCorporateSecurities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ShortPositions" xlink:label="nwg_ShortPositions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="nwg_DisclosureOfTradingAssetsAndLiabilitiesLineItems" xlink:to="nwg_ShortPositions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" xlink:label="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="nwg_DisclosureOfTradingAssetsAndLiabilitiesLineItems" xlink:to="ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureLoanImpairmentProvisionsDetails" xlink:type="extended" xlink:title="41101 - Disclosure - Loan impairment provisions (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:label="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:label="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:to="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain" xlink:label="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis" xlink:to="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TwelvemonthExpectedCreditLossesMember" xlink:label="ifrs-full_TwelvemonthExpectedCreditLossesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain" xlink:to="ifrs-full_TwelvemonthExpectedCreditLossesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LifetimeExpectedCreditLossesMember" xlink:label="ifrs-full_LifetimeExpectedCreditLossesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain" xlink:to="ifrs-full_LifetimeExpectedCreditLossesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:label="ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:to="ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain" xlink:label="ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis" xlink:to="ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialInstrumentsNotCreditimpairedMember" xlink:label="ifrs-full_FinancialInstrumentsNotCreditimpairedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain" xlink:to="ifrs-full_FinancialInstrumentsNotCreditimpairedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialInstrumentsCreditimpairedMember" xlink:label="ifrs-full_FinancialInstrumentsCreditimpairedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain" xlink:to="ifrs-full_FinancialInstrumentsCreditimpairedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_LoansAndAdvancesMember" xlink:label="nwg_LoansAndAdvancesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:to="nwg_LoansAndAdvancesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_CashAtCentralBanksMember" xlink:label="nwg_CashAtCentralBanksMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:to="nwg_CashAtCentralBanksMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DebtSecuritiesMember" xlink:label="ifrs-full_DebtSecuritiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsDomain" xlink:to="ifrs-full_DebtSecuritiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="4" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:to="ifrs-full_CategoriesOfFinancialAssetsAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:label="ifrs-full_CategoriesOfFinancialAssetsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CategoriesOfFinancialAssetsAxis" xlink:to="ifrs-full_CategoriesOfFinancialAssetsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_FinancialAssetsAtAmortisedCostAndFairValueThroughOtherComprehensiveIncomeMember" xlink:label="nwg_FinancialAssetsAtAmortisedCostAndFairValueThroughOtherComprehensiveIncomeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CategoriesOfFinancialAssetsDomain" xlink:to="nwg_FinancialAssetsAtAmortisedCostAndFairValueThroughOtherComprehensiveIncomeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" xlink:label="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="nwg_FinancialAssetsAtAmortisedCostAndFairValueThroughOtherComprehensiveIncomeMember" xlink:to="ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="5" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain" xlink:label="ifrs-full_ClassesOfFinancialAssetsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_ClassesOfFinancialAssetsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherFinancialAssetsMember" xlink:label="nwg_OtherFinancialAssetsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_OtherFinancialAssetsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OffBalanceSheetExposuresMember" xlink:label="nwg_OffBalanceSheetExposuresMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_OffBalanceSheetExposuresMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="6" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:label="ifrs-full_ClassesOfFinancialLiabilitiesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfFinancialLiabilitiesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ContingentLiabilitiesMember" xlink:label="nwg_ContingentLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialLiabilitiesDomain" xlink:to="nwg_ContingentLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:label="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="7" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:to="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CarryingAmountMember" xlink:label="ifrs-full_CarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis" xlink:to="ifrs-full_CarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GrossCarryingAmountMember" xlink:label="ifrs-full_GrossCarryingAmountMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_GrossCarryingAmountMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AccumulatedImpairmentMember" xlink:label="ifrs-full_AccumulatedImpairmentMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_CarryingAmountMember" xlink:to="ifrs-full_AccumulatedImpairmentMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:label="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="8" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" xlink:to="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" xlink:label="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis" xlink:to="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" xlink:label="ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" xlink:to="ifrs-full_ExpectedCreditLossesIndividuallyAssessedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember" xlink:label="ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" xlink:to="ifrs-full_ExpectedCreditLossesCollectivelyAssessedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_AssetsWithinScopeOfExpectedCreditLossFrameworkMember" xlink:label="nwg_AssetsWithinScopeOfExpectedCreditLossFrameworkMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain" xlink:to="nwg_AssetsWithinScopeOfExpectedCreditLossFrameworkMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xlink:label="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xlink:to="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssets" xlink:label="ifrs-full_FinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xlink:to="ifrs-full_FinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpectedCreditLossRate" xlink:label="ifrs-full_ExpectedCreditLossRate" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xlink:to="ifrs-full_ExpectedCreditLossRate" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9" xlink:label="ifrs-full_ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xlink:to="ifrs-full_ImpairmentLossImpairmentGainAndReversalOfImpairmentLossDeterminedInAccordanceWithIFRS9" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DecreaseThroughWriteoffFinancialAssets" xlink:label="ifrs-full_DecreaseThroughWriteoffFinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xlink:to="ifrs-full_DecreaseThroughWriteoffFinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndBankBalancesAtCentralBanks" xlink:label="ifrs-full_CashAndBankBalancesAtCentralBanks" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfImpairmentLossAndReversalOfImpairmentLossLineItems" xlink:to="ifrs-full_CashAndBankBalancesAtCentralBanks" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureProvisionsForLiabilitiesAndChargesRollForwardDetails" xlink:type="extended" xlink:title="41201 - Disclosure - Provisions for liabilities and charges - Roll-forward (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialLiabilitiesTable" xlink:label="ifrs-full_DisclosureOfFinancialLiabilitiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfProvisionsAxis" xlink:label="ifrs-full_ClassesOfProvisionsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfFinancialLiabilitiesTable" xlink:to="ifrs-full_ClassesOfProvisionsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfOtherProvisionsDomain" xlink:label="ifrs-full_ClassesOfOtherProvisionsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfProvisionsAxis" xlink:to="ifrs-full_ClassesOfOtherProvisionsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_CustomerRedressMember" xlink:label="nwg_CustomerRedressMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfOtherProvisionsDomain" xlink:to="nwg_CustomerRedressMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LegalProceedingsProvisionMember" xlink:label="ifrs-full_LegalProceedingsProvisionMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfOtherProvisionsDomain" xlink:to="ifrs-full_LegalProceedingsProvisionMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_PropertyMember" xlink:label="nwg_PropertyMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ClassesOfOtherProvisionsDomain" xlink:to="nwg_PropertyMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_FinancialCommitmentsAndGuaranteesMember" xlink:label="nwg_FinancialCommitmentsAndGuaranteesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ClassesOfOtherProvisionsDomain" xlink:to="nwg_FinancialCommitmentsAndGuaranteesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_MiscellaneousOtherProvisionMember" xlink:label="nwg_MiscellaneousOtherProvisionMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_ClassesOfOtherProvisionsDomain" xlink:to="nwg_MiscellaneousOtherProvisionMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" xlink:label="ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" xlink:to="ifrs-full_DisclosureOfFinancialLiabilitiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:label="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfFinancialLiabilitiesLineItems" xlink:to="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherProvisions" xlink:label="ifrs-full_OtherProvisions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:to="ifrs-full_OtherProvisions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IncreaseDecreaseThroughExpectedCreditLossesReversalsOfCreditLossesOtherProvisions" xlink:label="nwg_IncreaseDecreaseThroughExpectedCreditLossesReversalsOfCreditLossesOtherProvisions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:to="nwg_IncreaseDecreaseThroughExpectedCreditLossesReversalsOfCreditLossesOtherProvisions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" xlink:label="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:to="ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesOtherProvisions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AcquisitionsThroughBusinessCombinationsOtherProvisions" xlink:label="ifrs-full_AcquisitionsThroughBusinessCombinationsOtherProvisions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:to="ifrs-full_AcquisitionsThroughBusinessCombinationsOtherProvisions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NewProvisionsOtherProvisions" xlink:label="ifrs-full_NewProvisionsOtherProvisions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:to="ifrs-full_NewProvisionsOtherProvisions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_UnusedProvisionReversedOtherProvisions" xlink:label="ifrs-full_UnusedProvisionReversedOtherProvisions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:to="ifrs-full_UnusedProvisionReversedOtherProvisions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProvisionUsedOtherProvisions" xlink:label="ifrs-full_ProvisionUsedOtherProvisions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_ReconciliationOfChangesInOtherProvisionsAbstract" xlink:to="ifrs-full_ProvisionUsedOtherProvisions" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureContingentLiabilitiesAndCommitmentsDetails" xlink:type="extended" xlink:title="41401 - Disclosure - Contingent liabilities and commitments (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:label="ifrs-full_DisclosureOfContingentLiabilitiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfContingentLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:to="ifrs-full_ClassesOfContingentLiabilitiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:label="ifrs-full_ClassesOfContingentLiabilitiesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfContingentLiabilitiesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ContingentLiabilityForGuaranteesMember" xlink:label="ifrs-full_ContingentLiabilityForGuaranteesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="ifrs-full_ContingentLiabilityForGuaranteesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherContingentLiabilitiesMember" xlink:label="ifrs-full_OtherContingentLiabilitiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="ifrs-full_OtherContingentLiabilitiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:label="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="ifrs-full_DisclosureOfContingentLiabilitiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" xlink:label="ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="ifrs-full_EstimatedFinancialEffectOfContingentLiabilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_StandbyFacilitiesCreditLinesAndOtherCommitments" xlink:label="nwg_StandbyFacilitiesCreditLinesAndOtherCommitments" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_StandbyFacilitiesCreditLinesAndOtherCommitments" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ContingentLiabilitiesAndCommitments" xlink:label="nwg_ContingentLiabilitiesAndCommitments" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_ContingentLiabilitiesAndCommitments" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosureLitigationAndRegulatoryMattersDetails" xlink:type="extended" xlink:title="41501 - Disclosure - Litigation and regulatory matters (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:label="ifrs-full_DisclosureOfContingentLiabilitiesTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:label="ifrs-full_ClassesOfContingentLiabilitiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:to="ifrs-full_ClassesOfContingentLiabilitiesAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:label="ifrs-full_ClassesOfContingentLiabilitiesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesAxis" xlink:to="ifrs-full_ClassesOfContingentLiabilitiesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_LegalProceedingLondonInterbankOfferedRateMember" xlink:label="nwg_LegalProceedingLondonInterbankOfferedRateMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="nwg_LegalProceedingLondonInterbankOfferedRateMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OtherIborRelatedLitigationsMember" xlink:label="nwg_OtherIborRelatedLitigationsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="nwg_OtherIborRelatedLitigationsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_LegalProceedingFxAntitrustLitigationMember" xlink:label="nwg_LegalProceedingFxAntitrustLitigationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="nwg_LegalProceedingFxAntitrustLitigationMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_UkCompetitionAppealTribunalFxLitigationMember" xlink:label="nwg_UkCompetitionAppealTribunalFxLitigationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="nwg_LegalProceedingFxAntitrustLitigationMember" xlink:to="nwg_UkCompetitionAppealTribunalFxLitigationMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_LegalProceedingInterestRateSwapsAntitrustLitigationMember" xlink:label="nwg_LegalProceedingInterestRateSwapsAntitrustLitigationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="nwg_LegalProceedingInterestRateSwapsAntitrustLitigationMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_LegalProceedingSpoofingLitigationMember" xlink:label="nwg_LegalProceedingSpoofingLitigationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="nwg_LegalProceedingSpoofingLitigationMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OracleSecuritiesLitigationMember" xlink:label="nwg_OracleSecuritiesLitigationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="nwg_OracleSecuritiesLitigationMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OracleSecuritiesLitigationNewYorkStateCourtMember" xlink:label="nwg_OracleSecuritiesLitigationNewYorkStateCourtMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="nwg_OracleSecuritiesLitigationMember" xlink:to="nwg_OracleSecuritiesLitigationNewYorkStateCourtMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OracleSecuritiesLitigationTennesseeStateCourtMember" xlink:label="nwg_OracleSecuritiesLitigationTennesseeStateCourtMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="nwg_OracleSecuritiesLitigationMember" xlink:to="nwg_OracleSecuritiesLitigationTennesseeStateCourtMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TandanorLitigationInArgentinaMember" xlink:label="nwg_TandanorLitigationInArgentinaMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="nwg_TandanorLitigationInArgentinaMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_RockfireLitigationMember" xlink:label="nwg_RockfireLitigationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="nwg_RockfireLitigationMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_LegalProceedingMadoffLitigationMember" xlink:label="nwg_LegalProceedingMadoffLitigationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="nwg_LegalProceedingMadoffLitigationMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OffshoringVatAssessmentsMember" xlink:label="nwg_OffshoringVatAssessmentsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="nwg_OffshoringVatAssessmentsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_ReviewAndInvestigationOfTreatmentOfTrackerMortgageCustomersInUlsterBankIrelandDacMember" xlink:label="nwg_ReviewAndInvestigationOfTreatmentOfTrackerMortgageCustomersInUlsterBankIrelandDacMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_ClassesOfContingentLiabilitiesDomain" xlink:to="nwg_ReviewAndInvestigationOfTreatmentOfTrackerMortgageCustomersInUlsterBankIrelandDacMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsAxis" xlink:label="ifrs-full_ClassesOfFinancialAssetsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:to="ifrs-full_ClassesOfFinancialAssetsAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialAssetsDomain" xlink:label="ifrs-full_ClassesOfFinancialAssetsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsAxis" xlink:to="ifrs-full_ClassesOfFinancialAssetsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_RecoverableDepositMember" xlink:label="nwg_RecoverableDepositMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfFinancialAssetsDomain" xlink:to="nwg_RecoverableDepositMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_InvestigationAuthoritiesAxis" xlink:label="nwg_InvestigationAuthoritiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="3" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:to="nwg_InvestigationAuthoritiesAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_InvestigationAuthoritiesMember" xlink:label="nwg_InvestigationAuthoritiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="nwg_InvestigationAuthoritiesAxis" xlink:to="nwg_InvestigationAuthoritiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_UsInvestigationsRelatingToFixedIncomeSecuritiesMember" xlink:label="nwg_UsInvestigationsRelatingToFixedIncomeSecuritiesMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="nwg_InvestigationAuthoritiesMember" xlink:to="nwg_UsInvestigationsRelatingToFixedIncomeSecuritiesMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfProvisionsAxis" xlink:label="ifrs-full_ClassesOfProvisionsAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="4" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:to="ifrs-full_ClassesOfProvisionsAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfOtherProvisionsDomain" xlink:label="ifrs-full_ClassesOfOtherProvisionsDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_ClassesOfProvisionsAxis" xlink:to="ifrs-full_ClassesOfOtherProvisionsDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LegalProceedingsProvisionMember" xlink:label="ifrs-full_LegalProceedingsProvisionMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_ClassesOfOtherProvisionsDomain" xlink:to="ifrs-full_LegalProceedingsProvisionMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_FederalCourtOfAustraliaFxAntitrustLitigationMember" xlink:label="nwg_FederalCourtOfAustraliaFxAntitrustLitigationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_LegalProceedingsProvisionMember" xlink:to="nwg_FederalCourtOfAustraliaFxAntitrustLitigationMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TelAvivDistrictCourtFxAntitrustLitigationsMember" xlink:label="nwg_TelAvivDistrictCourtFxAntitrustLitigationsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_LegalProceedingsProvisionMember" xlink:to="nwg_TelAvivDistrictCourtFxAntitrustLitigationsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeAxis" xlink:label="ifrs-full_RangeAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="5" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:to="ifrs-full_RangeAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeDomain" xlink:label="ifrs-full_RangeDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangeDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BottomOfRangeMember" xlink:label="ifrs-full_BottomOfRangeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_RangeDomain" xlink:to="ifrs-full_BottomOfRangeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CounterpartiesAxis" xlink:label="ifrs-full_CounterpartiesAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="6" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:to="ifrs-full_CounterpartiesAxis" priority="2" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CounterpartiesDomain" xlink:label="ifrs-full_CounterpartiesDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_CounterpartiesAxis" xlink:to="ifrs-full_CounterpartiesDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_HmrcMember" xlink:label="nwg_HmrcMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_CounterpartiesDomain" xlink:to="nwg_HmrcMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_RockfireInvestmentFinancePlcMember" xlink:label="nwg_RockfireInvestmentFinancePlcMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_CounterpartiesDomain" xlink:to="nwg_RockfireInvestmentFinancePlcMember" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_RockfireCapitalLimitedMember" xlink:label="nwg_RockfireCapitalLimitedMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_CounterpartiesDomain" xlink:to="nwg_RockfireCapitalLimitedMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="7" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesTable" xlink:to="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:to="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CommencementOfMajorLitigationMember" xlink:label="ifrs-full_CommencementOfMajorLitigationMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:to="ifrs-full_CommencementOfMajorLitigationMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:label="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="ifrs-full_DisclosureOfContingentLiabilitiesTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NumberOfClassActionLawsuits" xlink:label="nwg_NumberOfClassActionLawsuits" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_NumberOfClassActionLawsuits" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NumberOfNonClassActionsPending" xlink:label="nwg_NumberOfNonClassActionsPending" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_NumberOfNonClassActionsPending" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NumberOfOtherPartiesSubjectToLawsuitOrLegalInvestigation" xlink:label="nwg_NumberOfOtherPartiesSubjectToLawsuitOrLegalInvestigation" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="4" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_NumberOfOtherPartiesSubjectToLawsuitOrLegalInvestigation" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TransactionValueOfInvestigatedTrades" xlink:label="nwg_TransactionValueOfInvestigatedTrades" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="5" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_TransactionValueOfInvestigatedTrades" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NumberOfApplicationsForOptOutCollectiveProceedings" xlink:label="nwg_NumberOfApplicationsForOptOutCollectiveProceedings" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="6" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_NumberOfApplicationsForOptOutCollectiveProceedings" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_TimeGivenToApplicantsToReformulateTheirClaimsAsOptInClaims" xlink:label="nwg_TimeGivenToApplicantsToReformulateTheirClaimsAsOptInClaims" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="7" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_TimeGivenToApplicantsToReformulateTheirClaimsAsOptInClaims" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NumberOfMotionsToCertifyFxRelatedClassActions" xlink:label="nwg_NumberOfMotionsToCertifyFxRelatedClassActions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="8" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_NumberOfMotionsToCertifyFxRelatedClassActions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NumberOfPendingMotions" xlink:label="nwg_NumberOfPendingMotions" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="9" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_NumberOfPendingMotions" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NumberOfSwapExecutionFacilities" xlink:label="nwg_NumberOfSwapExecutionFacilities" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="10" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_NumberOfSwapExecutionFacilities" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_AmountOfLegalClaim" xlink:label="nwg_AmountOfLegalClaim" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="11" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_AmountOfLegalClaim" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_UnpaidVatAfterTaxAssessmentAmountClaimed" xlink:label="nwg_UnpaidVatAfterTaxAssessmentAmountClaimed" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="12" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_UnpaidVatAfterTaxAssessmentAmountClaimed" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NumberOfBranchesSubjectToTaxAssessment" xlink:label="nwg_NumberOfBranchesSubjectToTaxAssessment" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="13" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_NumberOfBranchesSubjectToTaxAssessment" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_PaymentsForValueAddedTaxAssessments" xlink:label="nwg_PaymentsForValueAddedTaxAssessments" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="14" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_PaymentsForValueAddedTaxAssessments" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FinancialAssets" xlink:label="ifrs-full_FinancialAssets" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="15" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="ifrs-full_FinancialAssets" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NumberOfPrivateIndividualsThatAreCoDefendantsInCase" xlink:label="nwg_NumberOfPrivateIndividualsThatAreCoDefendantsInCase" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="16" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_NumberOfPrivateIndividualsThatAreCoDefendantsInCase" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_EntitySPercentualParticipationInPrivatisationOfDisputedEntity" xlink:label="nwg_EntitySPercentualParticipationInPrivatisationOfDisputedEntity" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="17" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_EntitySPercentualParticipationInPrivatisationOfDisputedEntity" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_IfrsLossContingencyDamagesSoughtValue" xlink:label="nwg_IfrsLossContingencyDamagesSoughtValue" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="18" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_IfrsLossContingencyDamagesSoughtValue" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NumberOfCountsOfWireFraud" xlink:label="nwg_NumberOfCountsOfWireFraud" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="19" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_NumberOfCountsOfWireFraud" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NumberOfCountsOfSecuritiesFraud" xlink:label="nwg_NumberOfCountsOfSecuritiesFraud" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="20" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_NumberOfCountsOfSecuritiesFraud" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_PeriodDuringWhichEntityIsSuspectedOfFraudulentTrading" xlink:label="nwg_PeriodDuringWhichEntityIsSuspectedOfFraudulentTrading" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="21" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_PeriodDuringWhichEntityIsSuspectedOfFraudulentTrading" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NumberOfFspoAdjudicationsChallengedInCourt" xlink:label="nwg_NumberOfFspoAdjudicationsChallengedInCourt" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="22" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_NumberOfFspoAdjudicationsChallengedInCourt" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NumberOfTradersBreachedAgreement" xlink:label="nwg_NumberOfTradersBreachedAgreement" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="23" xlink:from="ifrs-full_DisclosureOfContingentLiabilitiesLineItems" xlink:to="nwg_NumberOfTradersBreachedAgreement" priority="1" use="optional" />
  </definitionLink>
  <definitionLink xlink:role="http://www.rbs.com/role/DisclosurePostBalanceSheetEventsDetails" xlink:type="extended" xlink:title="41701 - Disclosure - Post balance sheet events (Details)" xmlns="http://www.xbrl.org/2003/linkbase">
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:label="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="1" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:to="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:label="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="ifrs-full_NonadjustingEventsAfterReportingPeriodAxis" xlink:to="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MajorOrdinaryShareTransactionsMember" xlink:label="ifrs-full_MajorOrdinaryShareTransactionsMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="ifrs-full_NonadjustingEventsAfterReportingPeriodDomain" xlink:to="ifrs-full_MajorOrdinaryShareTransactionsMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ShareRepurchaseProgramAxis" xlink:label="srt_ShareRepurchaseProgramAxis" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" order="2" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" xlink:to="srt_ShareRepurchaseProgramAxis" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ShareRepurchaseProgramDomain" xlink:label="srt_ShareRepurchaseProgramDomain" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" order="1" xlink:from="srt_ShareRepurchaseProgramAxis" xlink:to="srt_ShareRepurchaseProgramDomain" use="optional" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_OnMarketShareBuybackProgrammeMember" xlink:label="nwg_OnMarketShareBuybackProgrammeMember" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="1" xlink:from="srt_ShareRepurchaseProgramDomain" xlink:to="nwg_OnMarketShareBuybackProgrammeMember" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:label="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" order="1" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:to="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <loc xlink:type="locator" xlink:href="nwg-20260630.xsd#nwg_NumberOfSharesRepurchasedAndCancelledDuringPeriod" xlink:label="nwg_NumberOfSharesRepurchasedAndCancelledDuringPeriod" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="2" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:to="nwg_NumberOfSharesRepurchasedAndCancelledDuringPeriod" priority="1" use="optional" />
    <loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" xlink:label="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" order="3" xlink:from="ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems" xlink:to="ifrs-full_PaymentsToAcquireOrRedeemEntitysShares" priority="1" use="optional" />
  </definitionLink>
</link:linkbase>
