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            <ccc>XXXXXXXX</ccc>
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        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
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        <issuerCik>0000105319</issuerCik>
        <issuerName>WW INTERNATIONAL, INC.</issuerName>
        <secFileNumber>001-16769</secFileNumber>
        <issuerAddress>
          <com:street1>675 AVENUE OF THE AMERICAS</com:street1>
          <com:street2>6TH FLOOR</com:street2>
          <com:city>NEW YORK</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10010</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>2125892700</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>COLOSI MICHAEL F</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Merrill Lynch</name>
          <address>
            <com:street1>3455 Peachtree Rd NE</com:street1>
            <com:street2>Ste 1000</com:street2>
            <com:city>Atlanta</com:city>
            <com:stateOrCountry>GA</com:stateOrCountry>
            <com:zipCode>30326</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>45900</noOfUnitsSold>
        <aggregateMarketValue>335070.00</aggregateMarketValue>
        <noOfUnitsOutstanding>79081017</noOfUnitsOutstanding>
        <approxSaleDate>11/30/2023</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
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        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>11/15/2019</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WW International, INC.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>249</amountOfSecuritiesAcquired>
        <paymentDate>11/15/2019</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>04/15/2020</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WW International, INC.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1869</amountOfSecuritiesAcquired>
        <paymentDate>04/15/2020</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>05/15/2020</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WW International, INC.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>7693</amountOfSecuritiesAcquired>
        <paymentDate>05/15/2020</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
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      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>10/15/2020</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WW International, INC.</nameOfPersonfromWhomAcquired>
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        <amountOfSecuritiesAcquired>1869</amountOfSecuritiesAcquired>
        <paymentDate>10/15/2020</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
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        <amountOfSecuritiesAcquired>1569</amountOfSecuritiesAcquired>
        <paymentDate>11/15/2020</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
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        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>04/15/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WW International, INC.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>4127</amountOfSecuritiesAcquired>
        <paymentDate>04/15/2021</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
      </securitiesToBeSold>
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        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>05/15/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WW International, INC.</nameOfPersonfromWhomAcquired>
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        <amountOfSecuritiesAcquired>559</amountOfSecuritiesAcquired>
        <paymentDate>05/15/2021</paymentDate>
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        <acquiredDate>10/15/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WW International, INC.</nameOfPersonfromWhomAcquired>
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        <paymentDate>10/15/2021</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
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        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>11/15/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WW International, INC.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>544</amountOfSecuritiesAcquired>
        <paymentDate>11/15/2021</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
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      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>04/15/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WW International, INC.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>4396</amountOfSecuritiesAcquired>
        <paymentDate>04/15/2022</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
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      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>10/15/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WW International, INC.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>6362</amountOfSecuritiesAcquired>
        <paymentDate>10/15/2022</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
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      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>04/15/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WW International, INC.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3583</amountOfSecuritiesAcquired>
        <paymentDate>04/15/2023</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
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      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>05/16/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WW International, INC.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3593</amountOfSecuritiesAcquired>
        <paymentDate>05/16/2023</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
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        <securitiesClassTitle>Common</securitiesClassTitle>
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        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WW International, INC.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3563</amountOfSecuritiesAcquired>
        <paymentDate>10/15/2023</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
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        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>11/15/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Vesting of a Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>WW International, INC.</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>2811</amountOfSecuritiesAcquired>
        <paymentDate>11/15/2023</paymentDate>
        <natureOfPayment>Compensatory Payment</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>11/30/2023</noticeDate>
        <signature>MICHAEL F COLOSI</signature>
      </noticeSignature>
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metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 10692}]
text: 144
  0001242894
  XXXXXXXX
  LIVE
  0000105319
  WW INTERNATIONAL, INC.
  001-16769
  675 AVENUE OF THE AMERICAS
  6TH FLOOR
  NEW YORK
  NY
  10010
  2125892700
  COLOSI MICHAEL F
  Officer
  Common
  Merrill Lynch
  3455 Peachtree Rd NE
  Ste 1000
  Atlanta
  GA
  30326
  45900
  335070.00
  79081017
  11/30/2023
  NASDAQ
  Common
  11/15/2019
  Vesting of a Stock Award
  WW International, INC.
  N
  249
  11/15/2019
  Compensatory Payment
  Common
  04/15/2020
  Vesting of a Stock Award
  WW International, INC.
  N
  1869
  04/15/2020
  Compensatory Payment
  Common
  05/15/2020
  Vesting of a Stock Award
  WW International, INC.
  N
  7693
  05/15/2020
  Compensatory Payment
  Common
  10/15/2020
  Vesting of a Stock Award
  WW International, INC.
  N
  1869
  10/15/2020
  Compensatory Payment
  Common
  11/15/2020
  Vesting of a Stock Award
  WW International, INC.
  N
  1569
  11/15/2020
  Compensatory Payment
  Common
  04/15/2021
  Vesting of a Stock Award
  WW International, INC.
  N
  4127
  04/15/2021
  Compensatory Payment
  Common
  05/15/2021
  Vesting of a Stock Award
  WW International, INC.
  N
  559
  05/15/2021
  Compensatory Payment
  Common
  10/15/2021
  Vesting of a Stock Award
  WW International, INC.
  N
  3113
  10/15/2021
  Compensatory Payment
  Common
  11/15/2021
  Vesting of a Stock Award
  WW International, INC.
  N
  544
  11/15/2021
  Compensatory Payment
  Common
  04/15/2022
  Vesting of a Stock Award
  WW International, INC.
  N
  4396
  04/15/2022
  Compensatory Payment
  Common
  10/15/2022
  Vesting of a Stock Award
  WW International, INC.
  N
  6362
  10/15/2022
  Compensatory Payment
  Common
  04/15/2023
  Vesting of a Stock Award
  WW International, INC.
  N
  3583
  04/15/2023
  Compensatory Payment
  Common
  05/16/2023
  Vesting of a Stock Award
  WW International, INC.
  N
  3593
  05/16/2023
  Compensatory Payment
  Common
  10/15/2023
  Vesting of a Stock Award
  WW International, INC.
  N
  3563
  10/15/2023
  Compensatory Payment
  Common
  11/15/2023
  Vesting of a Stock Award
  WW International, INC.
  N
  2811
  11/15/2023
  Compensatory Payment
  Y
  11/30/2023
  MICHAEL F COLOSI