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  <xs:element id="nvgs_A2009BuiltSemiRefrigeratedHandysizeGasCarrierMember" abstract="true" name="A2009BuiltSemiRefrigeratedHandysizeGasCarrierMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_VesselsCargoCapacity" abstract="false" name="VesselsCargoCapacity" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:volumeItemType"/>
  <xs:element id="nvgs_MovementInVesselsUnderConstructionRollForward" abstract="true" name="MovementInVesselsUnderConstructionRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="nvgs_ConstructionInProgressPayment" abstract="false" name="ConstructionInProgressPayment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_ConstructionInProgressCapitalizedInterest" abstract="false" name="ConstructionInProgressCapitalizedInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_EnterpriseNavigatorEthyleneTerminalsLLCMember" abstract="true" name="EnterpriseNavigatorEthyleneTerminalsLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_AzaneFuelSolutionsASMember" abstract="true" name="AzaneFuelSolutionsASMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_UnigasInternationalBVMember" abstract="true" name="UnigasInternationalBVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_LunaPoolAgencyLimitedMember" abstract="true" name="LunaPoolAgencyLimitedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_BluestreakCO2LimitedMember" abstract="true" name="BluestreakCO2LimitedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_IncomeLossFromEquityMethodInvestmentsExcludingAmortizedCosts" abstract="false" name="IncomeLossFromEquityMethodInvestmentsExcludingAmortizedCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_EquityContributionsToJointVenture" abstract="false" name="EquityContributionsToJointVenture" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_DanUnityCotwoASMember" abstract="true" name="DanUnityCotwoASMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_EquityMethodInvestmentsRollForward" abstract="true" name="EquityMethodInvestmentsRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="nvgs_ContributionsToEquityMethodInvestments" abstract="false" name="ContributionsToEquityMethodInvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_EquityMethodInvestmentAdditions" abstract="false" name="EquityMethodInvestmentAdditions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_DividendDistributionFromJointVenture" abstract="false" name="DividendDistributionFromJointVenture" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_LongTermDebtGrossCurrent" abstract="false" name="LongTermDebtGrossCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_LongTermDebtGrossNonCurrent" abstract="false" name="LongTermDebtGrossNonCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_SecuredTermLoanMember" abstract="true" name="SecuredTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_July2026PostDeliverySeniorSecuredTermLoanMember" abstract="true" name="July2026PostDeliverySeniorSecuredTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_AmmoniaCarriersMember" abstract="true" name="AmmoniaCarriersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_LineOfCreditFacilityNumberOfAssetsToBeFinanced" abstract="false" name="LineOfCreditFacilityNumberOfAssetsToBeFinanced" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="nvgs_DebtInstrumentLumpSumPayment" abstract="false" name="DebtInstrumentLumpSumPayment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_June2026PreDeliverySecuredTermLoanMember" abstract="true" name="June2026PreDeliverySecuredTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_BnpParibasS.a.Member" abstract="true" name="BnpParibasS.a.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_EthyleneCarrierMember" abstract="true" name="EthyleneCarrierMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_DebtInstrumentPercentageOfAssetsUnderConstructionFinanced" abstract="false" name="DebtInstrumentPercentageOfAssetsUnderConstructionFinanced" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nvgs_June2026JOLCOFinancingMember" abstract="true" name="June2026JOLCOFinancingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_JapaneseOperatingLeaseWithCallOptionMember" abstract="true" name="JapaneseOperatingLeaseWithCallOptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_JOLCOBreakOptionOneMember" abstract="true" name="JOLCOBreakOptionOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_JOLCOBreakOptionTwoMember" abstract="true" name="JOLCOBreakOptionTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_SaleLeasebackTransactionNumber" abstract="false" name="SaleLeasebackTransactionNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="nvgs_SaleLeasebackTransactionBreakOptionPeriod" abstract="false" name="SaleLeasebackTransactionBreakOptionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="nvgs_SaleLeasebackTransactionPeriodicPayment" abstract="false" name="SaleLeasebackTransactionPeriodicPayment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_SeniorTermLoanFacilityMember" abstract="true" name="SeniorTermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_August2021AmendmentAndRestatementAgreementMember" abstract="true" name="August2021AmendmentAndRestatementAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_DebtInstrumentNumberOfTranchesPaid" abstract="false" name="DebtInstrumentNumberOfTranchesPaid" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="nvgs_DebtInstrumentNumberOfTranches" abstract="false" name="DebtInstrumentNumberOfTranches" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="nvgs_NumberOfVesselsReleased" abstract="false" name="NumberOfVesselsReleased" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="nvgs_CreditFacilityBMember" abstract="true" name="CreditFacilityBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_July2015SantanderCreditFacilityBMember" abstract="true" name="July2015SantanderCreditFacilityBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_LPGCarriersMember" abstract="true" name="LPGCarriersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_March2026SeniorSecuredTermLoanMember" abstract="true" name="March2026SeniorSecuredTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_DebtInstrumentTermExtensionPeriod" abstract="false" name="DebtInstrumentTermExtensionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="nvgs_December2022SecuredTermLoanAndRevolvingCreditFacilityMember" abstract="true" name="December2022SecuredTermLoanAndRevolvingCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_August2024SeniorSecuredTermLoanAndRevolvingCreditFacilityMember" abstract="true" name="August2024SeniorSecuredTermLoanAndRevolvingCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_SeniorUnsecuredBondsMember" abstract="true" name="SeniorUnsecuredBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_October2024BondsMember" abstract="true" name="October2024BondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_March2025BondTapIssueAddendumMember" abstract="true" name="March2025BondTapIssueAddendumMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_DebtInstrumentBorrowingLimit" abstract="false" name="DebtInstrumentBorrowingLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_DebtInstrumentRemainingBorrowingsAvailable" abstract="false" name="DebtInstrumentRemainingBorrowingsAvailable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_October2013DBCreditFacilityAMember" abstract="true" name="October2013DBCreditFacilityAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_July2015DBCreditFacilityBMember" abstract="true" name="July2015DBCreditFacilityBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_March2023SeniorSecuredTermLoanFacilityMember" abstract="true" name="March2023SeniorSecuredTermLoanFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_August2024SecuredTermLoanAndRevolvingCreditFacilityMember" abstract="true" name="August2024SecuredTermLoanAndRevolvingCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_May2025SeniorSecuredTermLoanAndRCFMember" abstract="true" name="May2025SeniorSecuredTermLoanAndRCFMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_EarningsPerShareAttributableToStockholdersBasicAndDilutedAbstract" abstract="true" name="EarningsPerShareAttributableToStockholdersBasicAndDilutedAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="nvgs_ContractualObligationFiscalYearMaturityTable" abstract="true" name="ContractualObligationFiscalYearMaturityTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="nvgs_ContractualObligationFiscalYearMaturityLineItems" abstract="true" name="ContractualObligationFiscalYearMaturityLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="nvgs_LongTermDebtMaturityAfterYearFour" abstract="false" name="LongTermDebtMaturityAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_OtherCommitmentToBePaidAfterYearFour" abstract="false" name="OtherCommitmentToBePaidAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_ContractualObligationToBePaidAfterYearFour" abstract="false" name="ContractualObligationToBePaidAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_EthyleneCapableLiquefiedGasCarriersMember" abstract="true" name="EthyleneCapableLiquefiedGasCarriersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_LondonMember" abstract="true" name="LondonMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_CopenhagenMember" abstract="true" name="CopenhagenMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_GdyniaPolandMember" abstract="true" name="GdyniaPolandMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_HoustonMember" abstract="true" name="HoustonMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_ManilaPhilippinesMember" abstract="true" name="ManilaPhilippinesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_NumberOfContractsEntered" abstract="false" name="NumberOfContractsEntered" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="nvgs_LesseeOperatingLeaseBreakOptionNoticePeriod" abstract="false" name="LesseeOperatingLeaseBreakOptionNoticePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="nvgs_OperatingLeasesAnnualContractualGrossRent" abstract="false" name="OperatingLeasesAnnualContractualGrossRent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_OperatingLeasesMonthlyContractualGrossRent" abstract="false" name="OperatingLeasesMonthlyContractualGrossRent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_PTPertaminaPerseroMember" abstract="true" name="PTPertaminaPerseroMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_FineForMuhamadKerryAdriantoMember" abstract="true" name="FineForMuhamadKerryAdriantoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_CompensationToBePaidMember" abstract="true" name="CompensationToBePaidMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_LossContingencyCustodialSentencePeriod" abstract="false" name="LossContingencyCustodialSentencePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="nvgs_VariableInterestEntityPrimaryBeneficiaryPTNavigatorKhatulistiwaMember" abstract="true" name="VariableInterestEntityPrimaryBeneficiaryPTNavigatorKhatulistiwaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_VariableInterestEntityPrimaryBeneficiaryNavigatorCrewingPhilippinesIncMember" abstract="true" name="VariableInterestEntityPrimaryBeneficiaryNavigatorCrewingPhilippinesIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_VariableInterestEntityPrimaryBeneficiaryNavigatorGasServicesPhilippinesIncMember" abstract="true" name="VariableInterestEntityPrimaryBeneficiaryNavigatorGasServicesPhilippinesIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_UltranavBusinessSupportApsMember" abstract="true" name="UltranavBusinessSupportApsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_RelatedPartyTransactionsNetIncomeExpense" abstract="false" name="RelatedPartyTransactionsNetIncomeExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nvgs_UnigasPoolMember" abstract="true" name="UnigasPoolMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_NavieraUltranavLimitadaMember" abstract="true" name="NavieraUltranavLimitadaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_BWGroupMember" abstract="true" name="BWGroupMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_NavigatorHoldingsLtdMember" abstract="true" name="NavigatorHoldingsLtdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_PercentageOfHoldingHeldByShareholder" abstract="false" name="PercentageOfHoldingHeldByShareholder" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nvgs_UnigasVesselsMember" abstract="true" name="UnigasVesselsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nvgs_DividendAndShareRepurchasesAsAPercentageOfNetIncome" abstract="false" name="DividendAndShareRepurchasesAsAPercentageOfNetIncome" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nvgs_NumberOfVesselsToBeSold" abstract="false" name="NumberOfVesselsToBeSold" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
</xs:schema>
