content: <?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>0001967492</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001167379</issuerCik>
        <issuerName>ALCON INC</issuerName>
        <secFileNumber>001-31269</secFileNumber>
        <issuerAddress>
          <com:street1>6201 SOUTH FREEWAY</com:street1>
          <com:city>FORT WORTH</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76134</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>817 293 0450</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Bell Ian</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>RBC WEALTH MANAGEMENT</name>
          <address>
            <com:street1>250 NICOLLET MALL, SUITE 1700</com:street1>
            <com:city>MINNEAPOLIS</com:city>
            <com:stateOrCountry>MN</com:stateOrCountry>
            <com:zipCode>55401</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>20000</noOfUnitsSold>
        <aggregateMarketValue>1800200.00</aggregateMarketValue>
        <noOfUnitsOutstanding>493244479</noOfUnitsOutstanding>
        <approxSaleDate>06/04/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <acquiredDate>04/09/2019</acquiredDate>
        <natureOfAcquisitionTransaction>PSU VEST</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>7164</amountOfSecuritiesAcquired>
        <paymentDate>04/09/2019</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <acquiredDate>04/10/2019</acquiredDate>
        <natureOfAcquisitionTransaction>PSU VEST</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>4228</amountOfSecuritiesAcquired>
        <paymentDate>04/10/2019</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <acquiredDate>02/18/2020</acquiredDate>
        <natureOfAcquisitionTransaction>PSU VEST</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>8608</amountOfSecuritiesAcquired>
        <paymentDate>02/18/2020</paymentDate>
        <natureOfPayment>N/A</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <remarks>SOLD PURSUANT TO A RULE 10B5-1 PLAN ESTABLISHED 02-29-2024</remarks>
      <noticeSignature>
        <noticeDate>06/04/2024</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>02/29/2024</planAdoptionDate>
        </planAdoptionDates>
        <signature>JEFFREY EISCHENS </signature>
      </noticeSignature>
    </formData>
  
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3902}]
text: 144
  0001967492
  XXXXXXXX
  LIVE
  0001167379
  ALCON INC
  001-31269
  6201 SOUTH FREEWAY
  FORT WORTH
  TX
  76134
  817 293 0450
  Bell Ian
  Officer
  COMMON
  RBC WEALTH MANAGEMENT
  250 NICOLLET MALL, SUITE 1700
  MINNEAPOLIS
  MN
  55401
  20000
  1800200.00
  493244479
  06/04/2024
  NYSE
  COMMON
  04/09/2019
  PSU VEST
  ISSUER
  N
  7164
  04/09/2019
  N/A
  COMMON
  04/10/2019
  PSU VEST
  ISSUER
  N
  4228
  04/10/2019
  N/A
  COMMON
  02/18/2020
  PSU VEST
  ISSUER
  N
  8608
  02/18/2020
  N/A
  Y
  SOLD PURSUANT TO A RULE 10B5-1 PLAN ESTABLISHED 02-29-2024
  06/04/2024
  02/29/2024
  JEFFREY EISCHENS