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      <submissionType>144</submissionType>
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        <filer>
          <filerCredentials>
            <cik>0001847839</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
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      <issuerInfo>
        <issuerCik>0001669811</issuerCik>
        <issuerName>Donnelley Financial Solutions, Inc.</issuerName>
        <secFileNumber>001-37728</secFileNumber>
        <issuerAddress>
          <com:street1>35 WEST WACKER DRIVE</com:street1>
          <com:city>CHICAGO</com:city>
          <com:stateOrCountry>IL</com:stateOrCountry>
          <com:zipCode>60601</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>800-823-5304</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Johnson Eric J</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>245 summer street</com:street1>
            <com:city>Boston</com:city>
            <com:stateOrCountry>MA</com:stateOrCountry>
            <com:zipCode>02110</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>31839</noOfUnitsSold>
        <aggregateMarketValue>1910340.00</aggregateMarketValue>
        <noOfUnitsOutstanding>29315874</noOfUnitsOutstanding>
        <approxSaleDate>06/07/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/02/2022</acquiredDate>
        <natureOfAcquisitionTransaction>stock award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>4749</amountOfSecuritiesAcquired>
        <paymentDate>03/02/2022</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/03/2024</acquiredDate>
        <natureOfAcquisitionTransaction>stock award	</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>27045</amountOfSecuritiesAcquired>
        <paymentDate>03/03/2024</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>06/07/2024</noticeDate>
        <signature>/s/ Audrey Skillern as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Eric J. johnson</signature>
      </noticeSignature>
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text: 144
  0001847839
  XXXXXXXX
  LIVE
  0001669811
  Donnelley Financial Solutions, Inc.
  001-37728
  35 WEST WACKER DRIVE
  CHICAGO
  IL
  60601
  800-823-5304
  Johnson Eric J
  Officer
  Common
  Fidelity Brokerage Services LLC
  245 summer street
  Boston
  MA
  02110
  31839
  1910340.00
  29315874
  06/07/2024
  NYSE
  Common
  03/02/2022
  stock award
  issuer
  N
  4749
  03/02/2022
  Compensation
  Common
  03/03/2024
  stock award
  issuer
  N
  27045
  03/03/2024
  Compensation
  Y
  06/07/2024
  /s/ Audrey Skillern as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Eric J. johnson