<?xml version="1.0" encoding="UTF-8"?>
<edgarSubmission xmlns="http://www.sec.gov/edgar/ncen" xmlns:ns1="http://www.sec.gov/edgar/common" xmlns:sccom="http://www.sec.gov/edgar/sccommon" xmlns:ncom="http://www.sec.gov/edgar/ncencommon" xmlns:iso="http://www.sec.gov/edgar/iso_statecodes" xmlns:exch="http://www.sec.gov/edgar/iso_exchangelist" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <schemaVersion>X0505</schemaVersion>
  <headerData>
    <submissionType>N-CEN</submissionType>
    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <filer>
        <issuerCredentials>
          <cik>0000935708</cik>
          <ccc>XXXXXXXX</ccc>
        </issuerCredentials>
      </filer>
      <investmentCompanyType>N-6</investmentCompanyType>
    </filerInfo>
    <seriesClass>
      <reportClass>
        <classInfo>
          <classId>C000011918</classId>
          <!--Field: Pseudo-Tag; ID: Class Name; Data:-->
        </classInfo>
      </reportClass>
    </seriesClass>
  </headerData>
  <formData>
    <generalInfo reportEndingPeriod="2025-12-31" isReportPeriodLt12="N"/>
    <registrantInfo>
      <registrantFullName>Separate Account No. 13S</registrantFullName>
      <investmentCompFileNo>811-08938</investmentCompFileNo>
      <registrantCik>0000935708</registrantCik>
      <registrantLei>549300NSTCDLFQTGUM88</registrantLei>
      <registrantstreet1>C/O Metropolitan Life Insurance Company</registrantstreet1>
      <registrantstreet2>200 Park Avenue</registrantstreet2>
      <registrantcity>New York</registrantcity>
      <registrantzipCode>10166</registrantzipCode>
      <registrantstate>US-NY</registrantstate>
      <registrantcountry>US</registrantcountry>
      <registrantphoneNumber>917-287-6472</registrantphoneNumber>
      <websites>
        <website webpage="N/A"/>
      </websites>
      <locationBooksRecords>
        <locationBooksRecord>
          <officeName>Heather Harker</officeName>
          <officeAddress1>200 Park Avenue</officeAddress1>
          <officeCity>New York</officeCity>
          <officeStateCountry officeState="US-NY" officeCountry="US"/>
          <officeRecordsZipCode>10166</officeRecordsZipCode>
          <officePhone>917-287-6472</officePhone>
          <booksRecordsDesc>paper/electronic</booksRecordsDesc>
        </locationBooksRecord>
      </locationBooksRecords>
      <isRegistrantFirstFiling>N</isRegistrantFirstFiling>
      <isRegistrantLastFiling>N</isRegistrantLastFiling>
      <isRegistrantFamilyInvComp>N</isRegistrantFamilyInvComp>
      <registrantClassificationType>N-6</registrantClassificationType>
      <isSecuritiesActRegistration>Y</isSecuritiesActRegistration>
      <chiefComplianceOfficers>
        <chiefComplianceOfficer>
          <ccoName>Alexis Kuchinsky</ccoName>
          <crdNumber>004343809</crdNumber>
          <ccoStreet1>One MetLife Way</ccoStreet1>
          <ccoCity>Whippany</ccoCity>
          <ccoStateCountry ccoState="US-NJ" ccoCountry="US"/>
          <ccoZipCode>07981</ccoZipCode>
          <ccoPhone>XXXXXX</ccoPhone>
          <isCcoChangedSinceLastFiling>N</isCcoChangedSinceLastFiling>
          <ccoEmployers>
            <ccoEmployer ccoEmployerName="MetLife Group" ccoEmployerId="55-0790010"/>
          </ccoEmployers>
        </chiefComplianceOfficer>
      </chiefComplianceOfficers>
      <isRegistrantSubmittedMatter>N</isRegistrantSubmittedMatter>
      <isPreviousLegalProceeding>N</isPreviousLegalProceeding>
      <isPreviousProceedingTerminated>N</isPreviousProceedingTerminated>
      <isFinancialSupportDuringPeriod>N</isFinancialSupportDuringPeriod>
      <isExemptionFromAct>N</isExemptionFromAct>
      <principalUnderwriters>
        <principalUnderwriter>
          <principalUnderwriterName>MetLife Investors Distribution Company</principalUnderwriterName>
          <principalUnderwriterFileNumber>008-53064</principalUnderwriterFileNumber>
          <principalUnderwriterCrdNumber>000107622</principalUnderwriterCrdNumber>
          <principalUnderwriterLei>N/A</principalUnderwriterLei>
          <principalUnderWriterStateCountry principalUnderWriterState="US-MO" principalUnderWriterCountry="US"/>
          <isPrincipalUnderwriterAffiliatedWithRegistrant>Y</isPrincipalUnderwriterAffiliatedWithRegistrant>
        </principalUnderwriter>
      </principalUnderwriters>
      <isUnderwriterHiredOrTerminated>N</isUnderwriterHiredOrTerminated>
      <publicAccountants>
        <publicAccountant>
          <publicAccountantName>Deloitte &amp; Touche, LLP</publicAccountantName>
          <pcaobNumber>34</pcaobNumber>
          <publicAccountantLei>N/A</publicAccountantLei>
          <publicAccountantStateCountry publicAccountantState="US-NY" publicAccountantCountry="US"/>
        </publicAccountant>
      </publicAccountants>
      <isPublicAccountantChanged>N</isPublicAccountantChanged>
      <isOpinionOffered>N</isOpinionOffered>
      <isMaterialChange>N</isMaterialChange>
      <isAccountingPrincipleChange>N</isAccountingPrincipleChange>
    </registrantInfo>
    <unitInvestmentTrust>
      <depositors>
        <depositor>
          <depositorName>Metropolitan Life Insurance Company</depositorName>
          <depositorCrdNo>N/A</depositorCrdNo>
          <depositorLei>549300H7EXFMRS487544</depositorLei>
          <depositorStateCountry depositorState="US-NY" depositorCountry="US"/>
          <depositorUltimateParentname>MetLife, Inc.</depositorUltimateParentname>
        </depositor>
      </depositors>
      <isUitAdminHiredTerminated>N</isUitAdminHiredTerminated>
      <registrantSeparateInsuranceAccount isRegistrantSeparateInsuranceAccount="Y" separateAccountSeriesId="S000004232"/>
      <numOfContracts>25</numOfContracts>
      <contractSecurities>
        <contractSecurity separateAccountSecurityName="LCL2 Flexible Premium Variable Life" separateAccountContractId="C000011918" separateAccountTotalAsset="5103457.00" numContractsSold="0" grossPremiumReceived="649437.00" grossPremiumReceivedSection1035="0.00" numContractsAffected="0" contractValueRedeemed="4859835.00" contractValueRedeemedSection1035="0.00" numContractsAffectedRedeemed="0"/>
      </contractSecurities>
      <isRule6C7Reliance>N</isRule6C7Reliance>
      <isRule11A2Reliance>N</isRule11A2Reliance>
      <isRule12D1Dash4Reliance>N</isRule12D1Dash4Reliance>
      <isRule12D1GReliance>N</isRule12D1GReliance>
    </unitInvestmentTrust>
    <signature registrantSignedName="Separate Account No. 13S" signedDate="2026-03-12" signature="Lisa Palumbo" title="Assistant Vice President"/>
  </formData>
</edgarSubmission>
