<?xml version="1.0" encoding="UTF-8"?>
<twe:edgarSubmission xmlns:com="http://www.sec.gov/edgar/common" xmlns:fee="http://www.sec.gov/edgar/feecommon" xmlns:sta="http://www.sec.gov/edgar/statecodes" xmlns:scc="http://www.sec.gov/edgar/sccommon" xmlns:twe="http://www.sec.gov/edgar/twentyfourf2filer">
  <twe:schemaVersion>X0101</twe:schemaVersion>
  <twe:headerData>
    <twe:submissionType>24F-2NT</twe:submissionType>
    <twe:filerInfo>
      <twe:liveTestFlag>LIVE</twe:liveTestFlag>
      <twe:filer>
        <twe:issuerCredentials>
          <twe:cik>1755596</twe:cik>
          <twe:ccc>XXXXXXXX</twe:ccc>
        </twe:issuerCredentials>
      </twe:filer>
      <twe:flags>
        <twe:confirmingCopyFlag>false</twe:confirmingCopyFlag>
      </twe:flags>
      <twe:investmentCompanyType>N-4</twe:investmentCompanyType>
    </twe:filerInfo>
  </twe:headerData>
  <twe:formData>
    <twe:annualFilings>
      <twe:annualFilingInfo>
        <twe:item1>
          <twe:nameOfIssuer>Nationwide Variable Account-15</twe:nameOfIssuer>
          <twe:addressOfIssuer>
            <twe:street1>One Nationwide Plaza</twe:street1>
            <twe:city>Columbus</twe:city>
            <twe:state>OH</twe:state>
            <twe:country>X1</twe:country>
            <twe:zipCode>43215</twe:zipCode>
          </twe:addressOfIssuer>
        </twe:item1>
        <twe:item2>
          <twe:reportClass>
            <twe:annualClassInfo>
              <twe:className>Nationwide Advisory Retirement Income Annuity</twe:className>
              <twe:classId>C000206996</twe:classId>
            </twe:annualClassInfo>
            <twe:annualClassInfo>
              <twe:className>Nationwide Advisory Retirement Income Annuity - New York</twe:className>
              <twe:classId>C000206993</twe:classId>
            </twe:annualClassInfo>
          </twe:reportClass>
        </twe:item2>
        <twe:item3>
          <twe:investmentCompActFileNo>811-23386</twe:investmentCompActFileNo>
          <twe:securitiesActFileNumbers>
            <twe:securitiesActFileNo>
              <twe:fileNumber>333-227780</twe:fileNumber>
            </twe:securitiesActFileNo>
            <twe:securitiesActFileNo>
              <twe:fileNumber>333-227783</twe:fileNumber>
            </twe:securitiesActFileNo>
          </twe:securitiesActFileNumbers>
        </twe:item3>
        <twe:item4>
          <twe:lastDayOfFiscalYear>12/31/2023</twe:lastDayOfFiscalYear>
          <twe:isThisFormBeingFiledLate>true</twe:isThisFormBeingFiledLate>
          <twe:isThisTheLastTimeIssuerFilingThisForm>false</twe:isThisTheLastTimeIssuerFilingThisForm>
        </twe:item4>
        <twe:item5>
          <twe:aggregateSalePriceOfSecuritiesSold>82595725.29</twe:aggregateSalePriceOfSecuritiesSold>
          <twe:aggregatePriceOfSecuritiesRedeemedOrRepurchasedInFiscalYear>32445216.69</twe:aggregatePriceOfSecuritiesRedeemedOrRepurchasedInFiscalYear>
          <twe:aggregatePriceOfSecuritiesRedeemedOrRepurchasedAnyPrior>0.00</twe:aggregatePriceOfSecuritiesRedeemedOrRepurchasedAnyPrior>
          <twe:totalAvailableRedemptionCredits>32445216.69</twe:totalAvailableRedemptionCredits>
          <twe:netSales>50150508.60</twe:netSales>
          <twe:redemptionCreditsAvailableForUseInFutureYears>0.00</twe:redemptionCreditsAvailableForUseInFutureYears>
          <twe:multiplierForDeterminingRegistrationFee>0.0001476</twe:multiplierForDeterminingRegistrationFee>
          <twe:registrationFeeDue>7402.22</twe:registrationFeeDue>
        </twe:item5>
        <twe:item6/>
        <twe:item7>
          <twe:interestDue>0</twe:interestDue>
        </twe:item7>
        <twe:item8>
          <twe:totalOfRegistrationFeePlusAnyInterestDue>7402.22</twe:totalOfRegistrationFeePlusAnyInterestDue>
        </twe:item8>
        <twe:item9>
          <twe:explanatoryNotes>March 31st, 2024, Method of delivery: Wire Transfer</twe:explanatoryNotes>
        </twe:item9>
        <twe:signature>
          <twe:signature>Jill S. Radabaugh</twe:signature>
          <twe:nameAndTitle>Jill S. Radabaugh AVP - Finance</twe:nameAndTitle>
          <twe:signatureDate>02/29/2024</twe:signatureDate>
        </twe:signature>
      </twe:annualFilingInfo>
    </twe:annualFilings>
  </twe:formData>
</twe:edgarSubmission>
