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  <xs:element id="trox_SeniorNotesDue2029Member" abstract="true" name="SeniorNotesDue2029Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_StandardBankTermLoanFacilityMember" abstract="true" name="StandardBankTermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_RMBTermLoanFacilityMember" abstract="true" name="RMBTermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_AustralianGovernmentLoanMember" abstract="true" name="AustralianGovernmentLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_MGTLoanMember" abstract="true" name="MGTLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_LongTermDebtNetOfUnamortizedDiscount" abstract="false" name="LongTermDebtNetOfUnamortizedDiscount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trox_CashFlowRevolverMember" abstract="true" name="CashFlowRevolverMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_RMBRevolvingCreditFacilityMember" abstract="true" name="RMBRevolvingCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_JohannesburgInterbankAverageRateJIBARMember" abstract="true" name="JohannesburgInterbankAverageRateJIBARMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_ShortTermInsurancePremiumFinancingAgreementMember" abstract="true" name="ShortTermInsurancePremiumFinancingAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_DebtInstrumentCovenantAxis" abstract="true" name="DebtInstrumentCovenantAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="trox_DebtInstrumentCovenantDomain" abstract="true" name="DebtInstrumentCovenantDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_DebtInstrumentCovenantOneMember" abstract="true" name="DebtInstrumentCovenantOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_DebtInstrumentCovenantTwoMember" abstract="true" name="DebtInstrumentCovenantTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_DebtInstrumentCovenantThreeMember" abstract="true" name="DebtInstrumentCovenantThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_VariableRateComponentAxis" abstract="true" name="VariableRateComponentAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="trox_VariableRateComponentDomain" abstract="true" name="VariableRateComponentDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_UtilizationLessThanThirtyThreePercentMember" abstract="true" name="UtilizationLessThanThirtyThreePercentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_UtilizationBetweenThirtyThreePercentAndSixtySixPercentMember" abstract="true" name="UtilizationBetweenThirtyThreePercentAndSixtySixPercentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_UtilizationGreaterThanSixtySixPercentMember" abstract="true" name="UtilizationGreaterThanSixtySixPercentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_DebtInstrumentAmortizationRate" abstract="false" name="DebtInstrumentAmortizationRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="trox_DebtInstrumentCovenantOutstandingDebt" abstract="false" name="DebtInstrumentCovenantOutstandingDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trox_DebtInstrumentPercentageOfDebtDownPayment" abstract="false" name="DebtInstrumentPercentageOfDebtDownPayment" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="trox_MonthlyInstallmentsPeriod" abstract="false" name="MonthlyInstallmentsPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="trox_InterestRateSwapMaturingInSeptember2024Member" abstract="true" name="InterestRateSwapMaturingInSeptember2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_InterestRateSwapMaturingInSeptember302031Member" abstract="true" name="InterestRateSwapMaturingInSeptember302031Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_InterestRateSwapMaturingInSeptember302031OneMember" abstract="true" name="InterestRateSwapMaturingInSeptember302031OneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_InterestRateSwapMaturingInSeptember302031TwoMember" abstract="true" name="InterestRateSwapMaturingInSeptember302031TwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_InterestRateSwapMaturingInMarch2028Member" abstract="true" name="InterestRateSwapMaturingInMarch2028Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_ForeignExchangeContractAustralianDollarsMember" abstract="true" name="ForeignExchangeContractAustralianDollarsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_ForeignExchangeContractSouthAfricanRandMember" abstract="true" name="ForeignExchangeContractSouthAfricanRandMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_ForeignExchangeContractPoundSterlingMember" abstract="true" name="ForeignExchangeContractPoundSterlingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_ForeignExchangeContractEuroMember" abstract="true" name="ForeignExchangeContractEuroMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_ForeignExchangeContractSaudiRiyalMember" abstract="true" name="ForeignExchangeContractSaudiRiyalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_WellsFargoRevolverMember" abstract="true" name="WellsFargoRevolverMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_HawkinsPointMember" abstract="true" name="HawkinsPointMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_AbsaRevolverMember" abstract="true" name="AbsaRevolverMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_UnrecordedUnconditionalPurchaseObligationDueAfterFourYears" abstract="false" name="UnrecordedUnconditionalPurchaseObligationDueAfterFourYears" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trox_RestrictedStockUnitsRSUsTimeBasedAwardsMember" abstract="true" name="RestrictedStockUnitsRSUsTimeBasedAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_RestrictedStockUnitsRSUsPerformanceBasedAwardsMember" abstract="true" name="RestrictedStockUnitsRSUsPerformanceBasedAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPerformancePeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPerformancePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="trox_CristalSTitaniumDioxideBusinessMember" abstract="true" name="CristalSTitaniumDioxideBusinessMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_AcquisitionOfAssetsProducingMetalGradeTiCl4Member" abstract="true" name="AcquisitionOfAssetsProducingMetalGradeTiCl4Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_AdvancedMetalIndustriesClusterCompanyLimitedMember" abstract="true" name="AdvancedMetalIndustriesClusterCompanyLimitedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_SlaggerMember" abstract="true" name="SlaggerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_AMICMember" abstract="true" name="AMICMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_CristalMember" abstract="true" name="CristalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_OptionAgreementOptionToAcquireSpecialPurchaseVehicleMember" abstract="true" name="OptionAgreementOptionToAcquireSpecialPurchaseVehicleMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_OptionAgreementAmountsToBeReimbursedForCapitalExpendituresAndOperationalExpensesMember" abstract="true" name="OptionAgreementAmountsToBeReimbursedForCapitalExpendituresAndOperationalExpensesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_AdvancedMetalIndustriesClusterAndTohoTitaniumMetalCoLtdATTMMember" abstract="true" name="AdvancedMetalIndustriesClusterAndTohoTitaniumMetalCoLtdATTMMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_RelatedPartyTransactionOwnershipPercentage" abstract="false" name="RelatedPartyTransactionOwnershipPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="trox_CommitmentToLoan" abstract="false" name="CommitmentToLoan" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="trox_OptionAgreementAmountLoanedForCapitalExpendituresAndOperationalExpensesInterestEarnedMember" abstract="true" name="OptionAgreementAmountLoanedForCapitalExpendituresAndOperationalExpensesInterestEarnedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_PurchasesOfFeedstockMaterialSettledAsInKindRepaymentOfTronoxLoansMember" abstract="true" name="PurchasesOfFeedstockMaterialSettledAsInKindRepaymentOfTronoxLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_PurchasesOfFeedstockMaterialSettledInCashMember" abstract="true" name="PurchasesOfFeedstockMaterialSettledInCashMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_PurchasesOfFeedstockMaterialMember" abstract="true" name="PurchasesOfFeedstockMaterialMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_AmendedTechnicalServicesAgreementMonthlyManagementFeeMember" abstract="true" name="AmendedTechnicalServicesAgreementMonthlyManagementFeeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_AmendedTechnicalServicesAgreementOtherTechnicalSupportFeesMember" abstract="true" name="AmendedTechnicalServicesAgreementOtherTechnicalSupportFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="trox_AmendedTechnicalServicesAgreementMonthlyManagementFeeAndOtherTechnicalSupportFeesMember" abstract="true" name="AmendedTechnicalServicesAgreementMonthlyManagementFeeAndOtherTechnicalSupportFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_PurchaseOfChlorineGasMember" abstract="true" name="PurchaseOfChlorineGasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_MGTMember" abstract="true" name="MGTMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="trox_ReceivableFromMGTProductSalesMember" abstract="true" name="ReceivableFromMGTProductSalesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
</xs:schema>
