<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001830053</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001770121</issuerCik>
      <issuerName>Sana Biotechnology, Inc.</issuerName>
      <secFileNumber>001-39941</secFileNumber>
      <issuerAddress>
        <com:street1>188 EAST BLAINE STREET, SUITE 400</com:street1>
        <com:city>SEATTLE</com:city>
        <com:stateOrCountry>WA</com:stateOrCountry>
        <com:zipCode>98102</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>(206) 701-7914</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Hardy Nathan</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Former CFO</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Morgan Stanley Smith Barney LLC  Executive Financial Services</name>
        <address>
          <com:street1>1 New York Plaza</com:street1>
          <com:street2>8th Floor</com:street2>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10004</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>91607</noOfUnitsSold>
      <aggregateMarketValue>229017.50</aggregateMarketValue>
      <noOfUnitsOutstanding>223268889</noOfUnitsOutstanding>
      <approxSaleDate>11/26/2024</approxSaleDate>
      <securitiesExchangeName>Nasdaq</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Class A</securitiesClassTitle>
      <acquiredDate>07/23/2019</acquiredDate>
      <natureOfAcquisitionTransaction>Founders Stock</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>91607</amountOfSecuritiesAcquired>
      <paymentDate>07/23/2019</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>NATHAN HARDY</name>
        <address>
          <com:street1>188 East Blaine Street</com:street1>
          <com:street2>Suite 400</com:street2>
          <com:city>Seattle</com:city>
          <com:stateOrCountry>WA</com:stateOrCountry>
          <com:zipCode>98102</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>11/25/2024</saleDate>
      <amountOfSecuritiesSold>25933</amountOfSecuritiesSold>
      <grossProceeds>64959.57</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name> NATHAN HARDY</name>
        <address>
          <com:street1>188 East Blaine Street</com:street1>
          <com:street2>Suite 400</com:street2>
          <com:city>Seattle</com:city>
          <com:stateOrCountry>WA</com:stateOrCountry>
          <com:zipCode>98102</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>10/21/2024</saleDate>
      <amountOfSecuritiesSold>45796</amountOfSecuritiesSold>
      <grossProceeds>180807.19</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>11/26/2024</noticeDate>
      <signature> /s/ Nathan Richard Hardy</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
