<?xml version="1.0" encoding="utf-8"?>
<!--Generated by DFIN XBRL Instance Document - http://www.dfinsolutions.com/ - Version R3.0 - on 29-September-2026 [10:38:27] {PM}-->
<schema targetNamespace="http://www.goldmansachsbdc.com/20260929" elementFormDefault="qualified" xmlns:gsbd="http://www.goldmansachsbdc.com/20260929" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:us-gaap="http://fasb.org/us-gaap/2026" xmlns:country="http://xbrl.sec.gov/country/2026" xmlns:currency="http://xbrl.sec.gov/currency/2026" xmlns:dei="http://xbrl.sec.gov/dei/2026" xmlns:exch="http://xbrl.sec.gov/exch/2026" xmlns:naics="http://xbrl.sec.gov/naics/2026" xmlns:sic="http://xbrl.sec.gov/sic/2026" xmlns:us-types="http://fasb.org/us-types/2026" xmlns:stpr="http://xbrl.sec.gov/stpr/2026" xmlns:deprecated="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" xmlns:srt="http://fasb.org/srt/2026" xmlns:srt-types="http://fasb.org/srt-types/2026" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:cef="http://xbrl.sec.gov/cef/2026" xmlns:cef-pre="http://xbrl.sec.gov/cef-pre/2026" xmlns:fnd="http://xbrl.sec.gov/fnd/2026">
  <annotation>
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      <link:roleType roleURI="http://www.goldmansachsbdc.com/role/N2FeeTable" id="N2FeeTable">
        <link:definition>1001 - Disclosure - N-2 - [Fee Table]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.goldmansachsbdc.com/role/N2SeniorSecurities" id="N2SeniorSecurities">
        <link:definition>1002 - Disclosure - N-2 - [Senior Securities]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.goldmansachsbdc.com/role/N2InvestmentObjectives" id="N2InvestmentObjectives">
        <link:definition>1003 - Disclosure - N-2 - [Investment Objectives]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.goldmansachsbdc.com/role/N2RiskFactors" id="N2RiskFactors">
        <link:definition>1004 - Disclosure - N-2 - [Risk Factors]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.goldmansachsbdc.com/role/N2SharePriceTable" id="N2SharePriceTable">
        <link:definition>1005 - Disclosure - N-2 - [Share Price Table]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.goldmansachsbdc.com/role/N2CapitalStock" id="N2CapitalStock">
        <link:definition>1006 - Disclosure - N-2 - [Capital Stock]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.goldmansachsbdc.com/role/N2LongTermDebt" id="N2LongTermDebt">
        <link:definition>1007 - Disclosure - N-2 - [Long Term Debt]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://www.goldmansachsbdc.com/role/N2OutstandingSecurities" id="N2OutstandingSecurities">
        <link:definition>1008 - Disclosure - N-2 - [Outstanding Securities]</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:linkbase id="lnk" >
        <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/cef/2026/cef-2026.xsd#N2" roleURI="http://xbrl.sec.gov/cef/role/N2"  />
        <link:roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/cef/2026/cef-2026.xsd#SecurityOnly" roleURI="http://xbrl.sec.gov/cef/role/SecurityOnly"  />
        <link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/cef/role/N2" >
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cef/2026/cef-2026.xsd#cef_AllRisksMember" xlink:label="loc_cef_AllRisksMember_200074" />
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_200072" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_CommonStockReturnNotSubjectToIncentiveFeeBasedOnCapitalGainsMember" xlink:label="loc_gsbd_CommonStockReturnNotSubjectToIncentiveFeeBasedOnCapitalGainsMember_200590" />
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          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_CommonStockReturnSubjectToIncentiveFeeBasedOnCapitalGainsMember" xlink:label="loc_gsbd_CommonStockReturnSubjectToIncentiveFeeBasedOnCapitalGainsMember_200591" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_gsbd_CommonStockReturnSubjectToIncentiveFeeBasedOnCapitalGainsMember_200591" use="optional" order="2" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_RevolvingCreditsFacilityMember" xlink:label="loc_gsbd_RevolvingCreditsFacilityMember_200592" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_gsbd_RevolvingCreditsFacilityMember_200592" use="optional" order="3" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_TwoZeroTwoSevenNotesMember" xlink:label="loc_gsbd_TwoZeroTwoSevenNotesMember_200593" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_gsbd_TwoZeroTwoSevenNotesMember_200593" use="optional" order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_TwoZeroTwoNineNotesMember" xlink:label="loc_gsbd_TwoZeroTwoNineNotesMember_200594" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_gsbd_TwoZeroTwoNineNotesMember_200594" use="optional" order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_TwoZeroThreeZeroNotesMember" xlink:label="loc_gsbd_TwoZeroThreeZeroNotesMember_200596" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_gsbd_TwoZeroThreeZeroNotesMember_200596" use="optional" order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_CommonSharesMember" xlink:label="loc_gsbd_CommonSharesMember_200597" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_gsbd_CommonSharesMember_200597" use="optional" order="7" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_PreferredSharesMember" xlink:label="loc_gsbd_PreferredSharesMember_200598" />
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_gsbd_PreferredSharesMember_200598" use="optional" order="8" preferredLabel="http://www.xbrl.org/2003/role/label" />
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AddressTypeDomain" xlink:label="loc_dei_AddressTypeDomain_200069" />
        </link:presentationLink>
        <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"  />
        <link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/cef/role/SecurityOnly" >
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_200072" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_CommonSharesMember" xlink:label="loc_gsbd_CommonSharesMember_200597" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_gsbd_CommonSharesMember_200597" use="optional" order="1" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_CommonStockReturnNotSubjectToIncentiveFeeBasedOnCapitalGainsMember" xlink:label="loc_gsbd_CommonStockReturnNotSubjectToIncentiveFeeBasedOnCapitalGainsMember_200590" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_gsbd_CommonStockReturnNotSubjectToIncentiveFeeBasedOnCapitalGainsMember_200590" use="optional" order="2" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_CommonStockReturnSubjectToIncentiveFeeBasedOnCapitalGainsMember" xlink:label="loc_gsbd_CommonStockReturnSubjectToIncentiveFeeBasedOnCapitalGainsMember_200591" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_gsbd_CommonStockReturnSubjectToIncentiveFeeBasedOnCapitalGainsMember_200591" use="optional" order="3" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_PreferredSharesMember" xlink:label="loc_gsbd_PreferredSharesMember_200598" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_gsbd_PreferredSharesMember_200598" use="optional" order="4" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_RevolvingCreditsFacilityMember" xlink:label="loc_gsbd_RevolvingCreditsFacilityMember_200592" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_gsbd_RevolvingCreditsFacilityMember_200592" use="optional" order="5" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_TwoZeroThreeZeroNotesMember" xlink:label="loc_gsbd_TwoZeroThreeZeroNotesMember_200596" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_gsbd_TwoZeroThreeZeroNotesMember_200596" use="optional" order="6" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_TwoZeroTwoNineNotesMember" xlink:label="loc_gsbd_TwoZeroTwoNineNotesMember_200594" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_gsbd_TwoZeroTwoNineNotesMember_200594" use="optional" order="7" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_TwoZeroTwoSevenNotesMember" xlink:label="loc_gsbd_TwoZeroTwoSevenNotesMember_200593" />
          <link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_gsbd_TwoZeroTwoSevenNotesMember_200593" use="optional" order="8" />
        </link:definitionLink>
        <link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link" >
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_CommonSharesMember" xlink:label="loc_gsbd_CommonSharesMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_gsbd_CommonSharesMember" xml:lang="en-US">Common Shares [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gsbd_CommonSharesMember" xlink:to="lab_gsbd_CommonSharesMember" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_CommonStockReturnNotSubjectToIncentiveFeeBasedOnCapitalGainsMember" xlink:label="loc_gsbd_CommonStockReturnNotSubjectToIncentiveFeeBasedOnCapitalGainsMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_gsbd_CommonStockReturnNotSubjectToIncentiveFeeBasedOnCapitalGainsMember" xml:lang="en-US">Common Stock Return Not Subject To Incentive Fee Based On Capital Gains [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gsbd_CommonStockReturnNotSubjectToIncentiveFeeBasedOnCapitalGainsMember" xlink:to="lab_gsbd_CommonStockReturnNotSubjectToIncentiveFeeBasedOnCapitalGainsMember" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_CommonStockReturnSubjectToIncentiveFeeBasedOnCapitalGainsMember" xlink:label="loc_gsbd_CommonStockReturnSubjectToIncentiveFeeBasedOnCapitalGainsMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_gsbd_CommonStockReturnSubjectToIncentiveFeeBasedOnCapitalGainsMember" xml:lang="en-US">Common Stock Return Subject To Incentive Fee Based On Capital Gains [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gsbd_CommonStockReturnSubjectToIncentiveFeeBasedOnCapitalGainsMember" xlink:to="lab_gsbd_CommonStockReturnSubjectToIncentiveFeeBasedOnCapitalGainsMember" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_PreferredSharesMember" xlink:label="loc_gsbd_PreferredSharesMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_gsbd_PreferredSharesMember" xml:lang="en-US">Preferred Shares [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gsbd_PreferredSharesMember" xlink:to="lab_gsbd_PreferredSharesMember" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_RevolvingCreditsFacilityMember" xlink:label="loc_gsbd_RevolvingCreditsFacilityMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_gsbd_RevolvingCreditsFacilityMember" xml:lang="en-US">Revolving Credits Facility [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gsbd_RevolvingCreditsFacilityMember" xlink:to="lab_gsbd_RevolvingCreditsFacilityMember" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_TwoZeroThreeZeroNotesMember" xlink:label="loc_gsbd_TwoZeroThreeZeroNotesMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_gsbd_TwoZeroThreeZeroNotesMember" xml:lang="en-US">Two Zero Three Zero Notes [Member]</link:label>
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_gsbd_TwoZeroThreeZeroNotesMember" xml:lang="en-US">2030 Notes [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gsbd_TwoZeroThreeZeroNotesMember" xlink:to="lab_gsbd_TwoZeroThreeZeroNotesMember" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_TwoZeroTwoNineNotesMember" xlink:label="loc_gsbd_TwoZeroTwoNineNotesMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_gsbd_TwoZeroTwoNineNotesMember" xml:lang="en-US">Two Zero Two Nine Notes [Member]</link:label>
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_gsbd_TwoZeroTwoNineNotesMember" xml:lang="en-US">2029 Notes [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gsbd_TwoZeroTwoNineNotesMember" xlink:to="lab_gsbd_TwoZeroTwoNineNotesMember" />
          <link:loc xlink:type="locator" xlink:href="gsbd-20260929.xsd#gsbd_TwoZeroTwoSevenNotesMember" xlink:label="loc_gsbd_TwoZeroTwoSevenNotesMember" />
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_gsbd_TwoZeroTwoSevenNotesMember" xml:lang="en-US">Two Zero Two Seven Notes [Member]</link:label>
          <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_gsbd_TwoZeroTwoSevenNotesMember" xml:lang="en-US">2027 Notes [Member]</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gsbd_TwoZeroTwoSevenNotesMember" xlink:to="lab_gsbd_TwoZeroTwoSevenNotesMember" />
        </link:labelLink>
      </link:linkbase>
    </appinfo>
  </annotation>
  <import namespace="http://xbrl.sec.gov/cef/2026" schemaLocation="https://xbrl.sec.gov/cef/2026/cef-2026.xsd" />
  <import namespace="http://xbrl.sec.gov/cef-pre/2026" schemaLocation="https://xbrl.sec.gov/cef/2026/cef-2026_pre.xsd" />
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd" />
  <import namespace="http://xbrl.sec.gov/dei/2026" schemaLocation="https://xbrl.sec.gov/dei/2026/dei-2026.xsd" />
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd" />
  <element name="CommonStockReturnNotSubjectToIncentiveFeeBasedOnCapitalGainsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="gsbd_CommonStockReturnNotSubjectToIncentiveFeeBasedOnCapitalGainsMember" substitutionGroup="xbrli:item" />
  <element name="CommonStockReturnSubjectToIncentiveFeeBasedOnCapitalGainsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="gsbd_CommonStockReturnSubjectToIncentiveFeeBasedOnCapitalGainsMember" substitutionGroup="xbrli:item" />
  <element name="RevolvingCreditsFacilityMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="gsbd_RevolvingCreditsFacilityMember" substitutionGroup="xbrli:item" />
  <element name="TwoZeroThreeZeroNotesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="gsbd_TwoZeroThreeZeroNotesMember" substitutionGroup="xbrli:item" />
  <element name="TwoZeroTwoNineNotesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="gsbd_TwoZeroTwoNineNotesMember" substitutionGroup="xbrli:item" />
  <element name="TwoZeroTwoSevenNotesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="gsbd_TwoZeroTwoSevenNotesMember" substitutionGroup="xbrli:item" />
  <element name="CommonSharesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="gsbd_CommonSharesMember" substitutionGroup="xbrli:item" />
  <element name="PreferredSharesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="gsbd_PreferredSharesMember" substitutionGroup="xbrli:item" />
</schema>
