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  <xsd:element abstract="true" id="dlhc_EconomicDependenciesDisclosureAbstract" name="EconomicDependenciesDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_EmployeerelatedLiabilitiesAmountsRelatedtoUnbilledAccountsReceivables" name="EmployeerelatedLiabilitiesAmountsRelatedtoUnbilledAccountsReceivables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="dlhc_EmploymentAgreementAnnualBaseSalaryAnnualIncreaseinSalaryBasedonPerformance" name="EmploymentAgreementAnnualBaseSalaryAnnualIncreaseinSalaryBasedonPerformance" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_EmploymentAgreementMaximumBonusPercentage" name="EmploymentAgreementMaximumBonusPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_EmploymentAgreementMinimumPercentageofResultsforBonusPayment" name="EmploymentAgreementMinimumPercentageofResultsforBonusPayment" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_EmploymentAgreementPercentageAdjustmenttoTargetBonusforEveryOnePercentVarianceBetweenTargetsandActualResults" name="EmploymentAgreementPercentageAdjustmenttoTargetBonusforEveryOnePercentVarianceBetweenTargetsandActualResults" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_EntityNumberOfIntegratedBusinessAreas" name="EntityNumberOfIntegratedBusinessAreas" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_EntityPeriodOfProfessionalServicesMinimum" name="EntityPeriodOfProfessionalServicesMinimum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_EquityAndConvertibleDebenturesFinancingDisclosureTextBlock" name="EquityAndConvertibleDebenturesFinancingDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_FairValueAdjustmentOfWarrants" name="FairValueAdjustmentOfWarrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="dlhc_GainLossonConversionofConvertibleInstruments" name="GainLossonConversionofConvertibleInstruments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="dlhc_GovernmentContractTermofAward" name="GovernmentContractTermofAward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_KevinWilsonAndJohnFArmstrongMember" name="KevinWilsonAndJohnFArmstrongMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_LineOfCreditFacilityAdjustedSublimitAmount" name="LineOfCreditFacilityAdjustedSublimitAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="dlhc_LineOfCreditFacilityLoanAdvanceRate" name="LineOfCreditFacilityLoanAdvanceRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="dlhc_LineOfCreditFacilityLoanOriginationFeePercentage" name="LineOfCreditFacilityLoanOriginationFeePercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_LiquidityAndSignificantAccountingPoliciesAbstract" name="LiquidityAndSignificantAccountingPoliciesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_LiquidityAndSignificantAccountingPoliciesDisclosureTextBlock" name="LiquidityAndSignificantAccountingPoliciesDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_LoanAgreementMember" name="LoanAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_LongTermIncentivePlan2006Member" name="LongTermIncentivePlan2006Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_LossContingencyPayrollTaxesPenaltiesAndInterestAccrued" name="LossContingencyPayrollTaxesPenaltiesAndInterestAccrued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="dlhc_LossContingencyPayrollTaxesPenaltiesAndInterestSought" name="LossContingencyPayrollTaxesPenaltiesAndInterestSought" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_NonExecutiveDirectorsMember" name="NonExecutiveDirectorsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_NonExecutiveEmployeesMember" name="NonExecutiveEmployeesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_NumberOfLocationsInWhichEntityOperatesMinimum" name="NumberOfLocationsInWhichEntityOperatesMinimum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="dlhc_NumberOfSubsidiariesOperatingBeforeSaleOfAssetsOfDiscontinuedOperationInFiscal2003" name="NumberOfSubsidiariesOperatingBeforeSaleOfAssetsOfDiscontinuedOperationInFiscal2003" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_NumberofCommonStockEntitledbyHolderUnderEachSubscriptionRight" name="NumberofCommonStockEntitledbyHolderUnderEachSubscriptionRight" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_NumeratorAbstract" name="NumeratorAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_OtherPrepaidExpenseReceivablePeriod" name="OtherPrepaidExpenseReceivablePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_PaymentOfPayrollTaxes" name="PaymentOfPayrollTaxes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="dlhc_PaymentsforRepurchaseofTreasuryStock" name="PaymentsforRepurchaseofTreasuryStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="dlhc_PercentageOfCommonStockOwnedByThirdPartyPriorToRightsOffering" name="PercentageOfCommonStockOwnedByThirdPartyPriorToRightsOffering" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_PrepaidWorkersCompensationLineItems" name="PrepaidWorkersCompensationLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_PrepaidWorkersCompensationTextBlock" name="PrepaidWorkersCompensationTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_ProceedsFromIssuanceOfRightShare" name="ProceedsFromIssuanceOfRightShare" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="dlhc_RepaymentOfAdvanceAccommodation" name="RepaymentOfAdvanceAccommodation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_ScheduleOfEquityAndConvertibleDebenturesFinancingLineItems" name="ScheduleOfEquityAndConvertibleDebenturesFinancingLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_ScheduleOfEquityAndConvertibleDebenturesFinancingTable" name="ScheduleOfEquityAndConvertibleDebenturesFinancingTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_ScheduleOfPrepaidWorkersCompensationTable" name="ScheduleOfPrepaidWorkersCompensationTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAggregateIntrinsicValueAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageRemainingContractualTermAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_ShareBasedCompensationArrangementByShareBasedPaymentPeriodConsideredForCommonStockPricePerShareForAwardsVesting" name="ShareBasedCompensationArrangementByShareBasedPaymentPeriodConsideredForCommonStockPricePerShareForAwardsVesting" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingRightsPercentage" name="SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingRightsPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriod" name="SharebasedCompensationArrangementbySharebasedPaymentAwardExpirationPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_SharebasedCompensationArrangementbySharebasedPaymentAwardVestingRequirementsSharePrice" name="SharebasedCompensationArrangementbySharebasedPaymentAwardVestingRequirementsSharePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="dlhc_StockIssuedDuringPeriodSharesDirectorRestrictedStockAwardNetOfForfeitures" name="StockIssuedDuringPeriodSharesDirectorRestrictedStockAwardNetOfForfeitures" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_StockIssuedDuringPeriodSharesExerciseofWarrants" name="StockIssuedDuringPeriodSharesExerciseofWarrants" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_StockIssuedDuringPeriodSharesRightsOffering" name="StockIssuedDuringPeriodSharesRightsOffering" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_StockIssuedDuringPeriodSharesRightsOfferingToOfficersAndDirectors" name="StockIssuedDuringPeriodSharesRightsOfferingToOfficersAndDirectors" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_StockIssuedDuringPeriodSharesRightsOfferingToRelatedParties" name="StockIssuedDuringPeriodSharesRightsOfferingToRelatedParties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_StockIssuedDuringPeriodValueDirectorRestrictedStockAwardNetOfForfeitures" name="StockIssuedDuringPeriodValueDirectorRestrictedStockAwardNetOfForfeitures" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_SummaryOfSignificantAccountingPoliciesLineItems" name="SummaryOfSignificantAccountingPoliciesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_SummaryOfSignificantAccountingPoliciesTable" name="SummaryOfSignificantAccountingPoliciesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_SupplementalUnemploymentBenefitsSalaryContinuationPercentageofSalary" name="SupplementalUnemploymentBenefitsSalaryContinuationPercentageofSalary" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_SupplementalUnemploymentBenefitsSalaryContinuationPeriod" name="SupplementalUnemploymentBenefitsSalaryContinuationPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_USGovernmentMember" name="USGovernmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_UnbilledReceivableFacilityMember" name="UnbilledReceivableFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_VestedonCommencementDateMember" name="VestedonCommencementDateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_VestingAxis" name="VestingAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_VestingDomain" name="VestingDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_VestingPeriodCriteriaBusinessPerformanceObjectivesMember" name="VestingPeriodCriteriaBusinessPerformanceObjectivesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_VestingPeriodCriteriaClosingPriceAMember" name="VestingPeriodCriteriaClosingPriceAMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_VestingonOneYearAnniversaryofCommencementDateMember" name="VestingonOneYearAnniversaryofCommencementDateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_WarrantsOrRightsValueOfSecuritiesCalledByWarrantsOrRights" name="WarrantsOrRightsValueOfSecuritiesCalledByWarrantsOrRights" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_WorkersCompensationByProgramOrPolicyAxis" name="WorkersCompensationByProgramOrPolicyAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_WorkersCompensationByProgramOrPolicyDomain" name="WorkersCompensationByProgramOrPolicyDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dlhc_WorkersCompensationPlanRelatedToDiscontinuedOperationAndZurichInsuranceCompanyMember" name="WorkersCompensationPlanRelatedToDiscontinuedOperationAndZurichInsuranceCompanyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="dlhc_WorkingCapitalDeficitNet" name="WorkingCapitalDeficitNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
</xsd:schema>
</XBRL>