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  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd" />
  <xsd:import namespace="http://fasb.org/srt/2025" schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/currency/2025" schemaLocation="https://xbrl.sec.gov/currency/2025/currency-2025.xsd" />
  <xsd:import namespace="https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full" schemaLocation="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd" />
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  <xsd:element name="AdjustmentsForIncreaseDecreaseInOtherReceivableAndPayableNet" id="hln_AdjustmentsForIncreaseDecreaseInOtherReceivableAndPayableNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="IfrsNumberOfReportableSegments" id="hln_IfrsNumberOfReportableSegments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OralHealthMember" id="hln_OralHealthMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PainReliefMember" id="hln_PainReliefMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VitaminsMineralsAndSupplementsMember" id="hln_VitaminsMineralsAndSupplementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RespiratoryHealthMember" id="hln_RespiratoryHealthMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsIncomeStatementLocationsAxis" id="hln_IfrsIncomeStatementLocationsAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
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  <xsd:element name="IfrsResearchAndDevelopmentExpenseMember" id="hln_IfrsResearchAndDevelopmentExpenseMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
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  <xsd:element name="IfrsTitleOfIndividualWithRelationshipToEntityDomain" id="hln_IfrsTitleOfIndividualWithRelationshipToEntityDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsCommercialPaperMember" id="hln_IfrsCommercialPaperMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LoanAndOverdraftsMember" id="hln_LoanAndOverdraftsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NonVotingPreferenceSharesMember" id="hln_NonVotingPreferenceSharesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsBondsMember" id="hln_IfrsBondsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BorrowingsAverageEffectivePreSwapInterestRate" id="hln_BorrowingsAverageEffectivePreSwapInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="IncreaseDecreaseThroughChangesInFairValuesInterestAndOtherChangesLiabilitiesArisingFromFinancingActivities" id="hln_IncreaseDecreaseThroughChangesInFairValuesInterestAndOtherChangesLiabilitiesArisingFromFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NumberOfPreferenceSharesIssued" id="hln_NumberOfPreferenceSharesIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IssuePricePerShare" id="hln_IssuePricePerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DividendAbstract" id="hln_DividendAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsDividendsDeclaredTableTextBlock" id="hln_IfrsDividendsDeclaredTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AdjustedProfitLossFromOperations" id="hln_AdjustedProfitLossFromOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslationOfForeignOperationsAttributableToNonControllingInterests" id="hln_OtherComprehensiveIncomeBeforeTaxExchangeDifferencesOnTranslationOfForeignOperationsAttributableToNonControllingInterests" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DescriptionOfAccountingPolicyForRecentAccountingDevelopmentsPolicyTextBlock" id="hln_DescriptionOfAccountingPolicyForRecentAccountingDevelopmentsPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfRelevantExchangeRatesTableTextBlock" id="hln_DisclosureOfRelevantExchangeRatesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EuroCommercialPaperMember" id="hln_EuroCommercialPaperMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UsDollarCommercialPaperMember" id="hln_UsDollarCommercialPaperMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsMoneyMarketFundsMember" id="hln_IfrsMoneyMarketFundsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HeldForTradingDerivativesThatAreNotInDesignatedAndEffectiveHedgingRelationshipMember" id="hln_HeldForTradingDerivativesThatAreNotInDesignatedAndEffectiveHedgingRelationshipMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativesDesignatedAndEffectiveAsHedgingInstrumentsMember" id="hln_DerivativesDesignatedAndEffectiveAsHedgingInstrumentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HeldForTradingDerivativesNotDesignatedAndEffectiveHedgingRelationshipMember" id="hln_HeldForTradingDerivativesNotDesignatedAndEffectiveHedgingRelationshipMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassOfPropertyPlantAndEquipmentAxis" id="hln_ClassOfPropertyPlantAndEquipmentAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ClassOfPropertyPlantAndEquipmentDomain" id="hln_ClassOfPropertyPlantAndEquipmentDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsCurrencyAxis" id="hln_IfrsCurrencyAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsAllCurrenciesDomain" id="hln_IfrsAllCurrenciesDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfAccountingPoliciesTable" id="hln_DisclosureOfAccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfAccountingPoliciesLineItems" id="hln_DisclosureOfAccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueAxis" id="hln_FairValueAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FairValueDomain" id="hln_FairValueDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EuroMediumTermNoteProgrammeMember" id="hln_EuroMediumTermNoteProgrammeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IncreaseDecreaseInCashAndCashEquivalentsAndBankOverdrafts" id="hln_IncreaseDecreaseInCashAndCashEquivalentsAndBankOverdrafts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="RevolvingCreditFacilitiesMember" id="hln_RevolvingCreditFacilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IfrsBalanceSheetLocationAxis" id="hln_IfrsBalanceSheetLocationAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BalanceSheetDomain" id="hln_BalanceSheetDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DerivativesByHeldForHedgingOrHeldForTradingClassificationAxis" id="hln_DerivativesByHeldForHedgingOrHeldForTradingClassificationAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" abstract="true" />
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  <xsd:element name="VotesPerShare" id="hln_VotesPerShare" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="TotalFinancialLiabilitiesArisingFromFinancingActivitiesMember" id="hln_TotalFinancialLiabilitiesArisingFromFinancingActivitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NetAmortisationAndImpairmentOfIntangibleAssetsExcludingComputerSoftwareAndImpairmentReversalOfImpairmentOfGoodwill" id="hln_NetAmortisationAndImpairmentOfIntangibleAssetsExcludingComputerSoftwareAndImpairmentReversalOfImpairmentOfGoodwill" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="CashAndCashEquivalentsNetOfBankOverdraftsMember" id="hln_CashAndCashEquivalentsNetOfBankOverdraftsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfMajorProductCategories" id="hln_NumberOfMajorProductCategories" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="EarningsPerShareAxis" id="hln_EarningsPerShareAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EarningsPerShareDomain" id="hln_EarningsPerShareDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DescriptionOfAccountingPolicyForJudgmentsAndEstimatesPolicyTextBlock" id="hln_DescriptionOfAccountingPolicyForJudgmentsAndEstimatesPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IfrsBasisOfPresentationAndSignificantAccountingPoliciesTextBlock" id="hln_IfrsBasisOfPresentationAndSignificantAccountingPoliciesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="BasisOfPreparationAndSignificantAccountingPoliciesAbstract" id="hln_BasisOfPreparationAndSignificantAccountingPoliciesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PreSeparationUsdNotesMember" id="hln_PreSeparationUsdNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CharacteristicsOfPostEmploymentBenefitPlansAxis" id="hln_CharacteristicsOfPostEmploymentBenefitPlansAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PostEmploymentBenefitPlansDomain" id="hln_PostEmploymentBenefitPlansDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InterestsInOtherEntitiesAxis" id="hln_InterestsInOtherEntitiesAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OtherEntitiesDomain" id="hln_OtherEntitiesDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="WeightedAverageSharesBeforeEffectOfTreasuryShares" id="hln_WeightedAverageSharesBeforeEffectOfTreasuryShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ShortTermNotesInIssueMember" id="hln_ShortTermNotesInIssueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LongTermNotesInIssueMember" id="hln_LongTermNotesInIssueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BorrowingsAverageEffectivePostSwapInterestRate" id="hln_BorrowingsAverageEffectivePostSwapInterestRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DecreaseIncreaseThroughRepurchaseOfOrdinarySharesAndCapitalReductionEquity" id="hln_DecreaseIncreaseThroughRepurchaseOfOrdinarySharesAndCapitalReductionEquity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="HyperinflationaryReportingEffectOnOperatingProfitLossInPeriod" id="hln_HyperinflationaryReportingEffectOnOperatingProfitLossInPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="HyperinflationaryReportingEffectOnRevenueInPeriod" id="hln_HyperinflationaryReportingEffectOnRevenueInPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DescriptionOfAccountingPolicyForHyperinflationaryReportingPolicyTextBlock" id="hln_DescriptionOfAccountingPolicyForHyperinflationaryReportingPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="CouponRatePreferenceShares" id="hln_CouponRatePreferenceShares" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ScheduleOfIfrsBasedIncomeTaxExpenseAndManagementSAdjustmentsTableTextBlock" id="hln_ScheduleOfIfrsBasedIncomeTaxExpenseAndManagementSAdjustmentsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="ManagementSEstimateOfAdjustmentsToProfitLossBeforeTaxForTaxPurposes" id="hln_ManagementSEstimateOfAdjustmentsToProfitLossBeforeTaxForTaxPurposes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ManagementSEstimateOfAdjustedProfitLossBeforeTaxForTaxPurposes" id="hln_ManagementSEstimateOfAdjustedProfitLossBeforeTaxForTaxPurposes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ManagementSEstimateOfAdjustmentsToTaxExpenseIncome" id="hln_ManagementSEstimateOfAdjustmentsToTaxExpenseIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ManagementSEstimateOfAdjustedTaxExpenseIncome" id="hln_ManagementSEstimateOfAdjustedTaxExpenseIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ManagementSEstimateOfAdjustedAverageEffectiveTaxRate" id="hln_ManagementSEstimateOfAdjustedAverageEffectiveTaxRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfSharesRepurchasedDuringPeriod" id="hln_NumberOfSharesRepurchasedDuringPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="WeightedAverageNumberOfTreasurySharesAndSharesHeldByEmployeeBenefitTrustDuringPeriod" id="hln_WeightedAverageNumberOfTreasurySharesAndSharesHeldByEmployeeBenefitTrustDuringPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="TherapeuticSkinHealthAndOtherMember" id="hln_TherapeuticSkinHealthAndOtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DisclosureOfRestructuringCostsTextBlock" id="hln_DisclosureOfRestructuringCostsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="CnyLongTermBankLoansMember" id="hln_CnyLongTermBankLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ShareBuybackProgrammeAllocatedAmountFor2025Member" id="hln_ShareBuybackProgrammeAllocatedAmountFor2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DigestiveHealthMember" id="hln_DigestiveHealthMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AdvancesMember" id="hln_AdvancesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CnyShortTermBankLoansMember" id="hln_CnyShortTermBankLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="August2029Member" id="hln_August2029Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfGeographicalOperatingUnits" id="hln_NumberOfGeographicalOperatingUnits" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NorthAmericaSegmentMember" id="hln_NorthAmericaSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EuropeSegmentMember" id="hln_EuropeSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AsiaPacificSegmentMember" id="hln_AsiaPacificSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InternationalSegmentMember" id="hln_InternationalSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AdjustmentsToReconcileOperatingProfitToAdjustedOperatingProfit" id="hln_AdjustmentsToReconcileOperatingProfitToAdjustedOperatingProfit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ExpenseOfRestructuringActivitiesOperatingModelTransformation" id="hln_ExpenseOfRestructuringActivitiesOperatingModelTransformation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ExpenseOfRestructuringActivitiesGainOnSiteClosures" id="hln_ExpenseOfRestructuringActivitiesGainOnSiteClosures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ExpenseOfRestructuringActivitiesOperatingModelTransformationSeveranceAndOtherTerminationBenefits" id="hln_ExpenseOfRestructuringActivitiesOperatingModelTransformationSeveranceAndOtherTerminationBenefits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ShareBuybackProgrammeAllocatedAmountFor2026Member" id="hln_ShareBuybackProgrammeAllocatedAmountFor2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CreditFacilityMaturingAugust2029Member" id="hln_CreditFacilityMaturingAugust2029Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
</xsd:schema>
