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  <xs:element name="AggregatePrincipalAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_AggregatePrincipalAmount"/>
  <xs:element name="DeferredDebtIssuanceCostRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DeferredDebtIssuanceCostRate"/>
  <xs:element name="RelatedPartyTransactionsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="oxsq_RelatedPartyTransactionsDetailsTable"/>
  <xs:element name="PreIncentiveFeeHurdleRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_PreIncentiveFeeHurdleRate"/>
  <xs:element name="AnnualHurdleRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="oxsq_AnnualHurdleRate"/>
  <xs:element name="IncomeAdvisorIncentiveFeeRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_IncomeAdvisorIncentiveFeeRate"/>
  <xs:element name="PreIncentiveFeeNetInvestmentIncomeMaximumPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="oxsq_PreIncentiveFeeNetInvestmentIncomeMaximumPercentage"/>
  <xs:element name="PreferredReturnAmountPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_PreferredReturnAmountPercentage"/>
  <xs:element name="CatchupAmountPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CatchupAmountPercentage"/>
  <xs:element name="IncentiveFeeOnCapitalGainsPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_IncentiveFeeOnCapitalGainsPercentage"/>
  <xs:element name="DistributionsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="oxsq_DistributionsDetailsTable"/>
  <xs:element name="PercentageOfDistributeMinimumAnnualInvestmentCompanyTaxableIncome" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_PercentageOfDistributeMinimumAnnualInvestmentCompanyTaxableIncome"/>
  <xs:element name="ExciseTaxPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_ExciseTaxPercentage"/>
  <xs:element name="DistributionsPrice" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DistributionsPrice"/>
  <xs:element name="OrdinaryIncomePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="oxsq_OrdinaryIncomePerShare"/>
  <xs:element name="NetAssetValuePerShareDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="oxsq_NetAssetValuePerShareDetailsTable"/>
  <xs:element name="CurrentCapacityOfShareIssuances" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CurrentCapacityOfShareIssuances"/>
  <xs:element name="UnderwritingFeesAndOfferingCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_UnderwritingFeesAndOfferingCosts"/>
  <xs:element name="PIKFees" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="oxsq_PIKFees"/>
  <xs:element name="DateAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="oxsq_DateAxis"/>
  <xs:element name="FeesAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem" id="oxsq_FeesAxis"/>
  <xs:element name="BaseFeeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_BaseFeeMember"/>
  <xs:element name="CLOEquityFourMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CLOEquityFourMember"/>
  <xs:element name="CLOEquityMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CLOEquityMember"/>
  <xs:element name="CLOEquityOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CLOEquityOneMember"/>
  <xs:element name="CLOEquityThreeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CLOEquityThreeMember"/>
  <xs:element name="CLOEquityTwoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CLOEquityTwoMember"/>
  <xs:element name="CashEquivalentMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_CashEquivalentMember"/>
  <xs:element name="DateOfIssuanceFiveMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DateOfIssuanceFiveMember"/>
  <xs:element name="DateOfIssuanceFourMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DateOfIssuanceFourMember"/>
  <xs:element name="DateOfIssuanceOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DateOfIssuanceOneMember"/>
  <xs:element name="DateOfIssuanceSixMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DateOfIssuanceSixMember"/>
  <xs:element name="DateOfIssuanceThreeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DateOfIssuanceThreeMember"/>
  <xs:element name="DateOfIssuanceTwoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DateOfIssuanceTwoMember"/>
  <xs:element name="EquityAndOtherInvestmentsFiveMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_EquityAndOtherInvestmentsFiveMember"/>
  <xs:element name="EquityAndOtherInvestmentsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_EquityAndOtherInvestmentsMember"/>
  <xs:element name="EquityAndOtherInvestmentsOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_EquityAndOtherInvestmentsOneMember"/>
  <xs:element name="EquityAndOtherInvestmentsThreeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_EquityAndOtherInvestmentsThreeMember"/>
  <xs:element name="FiveFiftyUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_FiveFiftyUnsecuredNotesMember"/>
  <xs:element name="FivePointFiveZeroPercentageNotesDue2028Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_FivePointFiveZeroPercentageNotesDue2028Member"/>
  <xs:element name="FivePointFiveZeroPercentageUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_FivePointFiveZeroPercentageUnsecuredNotesMember"/>
  <xs:element name="IncomeFromSecuritizationVehiclesAndInvestmentsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_IncomeFromSecuritizationVehiclesAndInvestmentsMember"/>
  <xs:element name="InterestIncomeDebtInvestmentsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_InterestIncomeDebtInvestmentsMember"/>
  <xs:element name="InterestIncomeDebtInvestmentsPIKMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_InterestIncomeDebtInvestmentsPIKMember"/>
  <xs:element name="InvestmentAdvisoryAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_InvestmentAdvisoryAgreementMember"/>
  <xs:element name="InvestmentsIncomeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_InvestmentsIncomeMember"/>
  <xs:element name="NASDAQGlobalSelectMarketMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_NASDAQGlobalSelectMarketMember"/>
  <xs:element name="NetInvestmentIncomeIncentiveFeeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_NetInvestmentIncomeIncentiveFeeMember"/>
  <xs:element name="NetInvestmentIncomeIncentiveFeesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_NetInvestmentIncomeIncentiveFeesMember"/>
  <xs:element name="NonControlAndNonAffiliateInvestmentsIssuerMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_NonControlAndNonAffiliateInvestmentsIssuerMember"/>
  <xs:element name="NotesPayableFiveFiveZeroMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_NotesPayableFiveFiveZeroMember"/>
  <xs:element name="NotesPayableSevenSevenFiveMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_NotesPayableSevenSevenFiveMember"/>
  <xs:element name="O2025Q3DividendsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_O2025Q3DividendsMember"/>
  <xs:element name="OXSQGMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_OXSQGMember"/>
  <xs:element name="OXSQHMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_OXSQHMember"/>
  <xs:element name="OXSQZMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_OXSQZMember"/>
  <xs:element name="OtherIncomesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_OtherIncomesMember"/>
  <xs:element name="OxfordFundsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_OxfordFundsMember"/>
  <xs:element name="OxfordSquareManagementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_OxfordSquareManagementMember"/>
  <xs:element name="PreferredEquityInvestmentsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_PreferredEquityInvestmentsMember"/>
  <xs:element name="SeniorSecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SeniorSecuredNotesMember"/>
  <xs:element name="SevenPointSevenFiveNotesDueTwoZeroThreeZeroMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SevenPointSevenFiveNotesDueTwoZeroThreeZeroMember"/>
  <xs:element name="SevenPointSevenFiveUnsecuredNoteMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SevenPointSevenFiveUnsecuredNoteMember"/>
  <xs:element name="SevenPointSevenFiveUnsecuredNotesDueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SevenPointSevenFiveUnsecuredNotesDueMember"/>
  <xs:element name="SevenPointSevenFiveUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SevenPointSevenFiveUnsecuredNotesMember"/>
  <xs:element name="SevenPointSeventyFivePercentageUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SevenPointSeventyFivePercentageUnsecuredNotesMember"/>
  <xs:element name="SevenPointTwentyNinePercentageOfUnsecuredNotesDueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SevenPointTwentyNinePercentageOfUnsecuredNotesDueMember"/>
  <xs:element name="SevenSevenFiveUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SevenSevenFiveUnsecuredNotesMember"/>
  <xs:element name="SixPointSixtyNinePercentageUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SixPointSixtyNinePercentageUnsecuredNotesMember"/>
  <xs:element name="SixPointTwoFivePercentageUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SixPointTwoFivePercentageUnsecuredNotesMember"/>
  <xs:element name="SixTwentyFiveUnsecuredNotesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_SixTwentyFiveUnsecuredNotesMember"/>
  <xs:element name="TotalAssetsAtFairValueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_TotalAssetsAtFairValueMember"/>
  <xs:element name="TotalInvestmentsAtFairValueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_TotalInvestmentsAtFairValueMember"/>
  <xs:element name="TwoZeroOneSixFeeWaiverMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_TwoZeroOneSixFeeWaiverMember"/>
  <xs:element name="UnsecuredNoteMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_UnsecuredNoteMember"/>
  <xs:element name="UnsecuredNotes550PercentageMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_UnsecuredNotes550PercentageMember"/>
  <xs:element name="UnsecuredNotes775PercentageMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_UnsecuredNotes775PercentageMember"/>
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  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="oxsq_DocumentAndEntityInformationAbstract"/>
</xs:schema>
