content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <headerData>
  <submissionType>144</submissionType>
  <filerInfo>
  <filer>
  <filerCredentials>
  <cik>0001979675</cik>
  <ccc>XXXXXXXX</ccc>
  </filerCredentials>
  </filer>
  <liveTestFlag>LIVE</liveTestFlag>
  </filerInfo>
  </headerData>
  <formData>
  <issuerInfo>
  <issuerCik>0001743102</issuerCik>
  <issuerName>Jiayin Group Inc.</issuerName>
  <secFileNumber>001-38806</secFileNumber>
  <issuerAddress>
  <street1 xmlns="http://www.sec.gov/edgar/common">18th Fl, Bldg No 1, Youyou Century Plaza</street1>
  <street2 xmlns="http://www.sec.gov/edgar/common">428 South Yanggao Road</street2>
  <city xmlns="http://www.sec.gov/edgar/common">Shanghai</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">F4</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">200122</zipCode>
  </issuerAddress>
  <issuerContactPhone>86-21-6190-6826</issuerContactPhone>
  <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Fan Chunlin</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
  <relationshipsToIssuer>
  <relationshipToIssuer>Officer</relationshipToIssuer>
  </relationshipsToIssuer>
  </issuerInfo>
  <securitiesInformation>
  <securitiesClassTitle>ADS</securitiesClassTitle>
  <brokerOrMarketmakerDetails>
  <name>Futu  Securities International (Hong Kong) Ltd. Ltd.</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">18 Bonham Strand West, Sheung Wan</street1>
  <city xmlns="http://www.sec.gov/edgar/common">Hong Kong</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">F4</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">999077</zipCode>
  </address>
  </brokerOrMarketmakerDetails>
  <noOfUnitsSold>24494</noOfUnitsSold>
  <aggregateMarketValue>138636.04</aggregateMarketValue>
  <noOfUnitsOutstanding>108100000</noOfUnitsOutstanding>
  <approxSaleDate>09/04/2023</approxSaleDate>
  <securitiesExchangeName>NASDAQ</securitiesExchangeName>
  </securitiesInformation>
  <securitiesToBeSold>
  <securitiesClassTitle>Ordinary Shares represented by ADS</securitiesClassTitle>
  <acquiredDate>09/01/2019</acquiredDate>
  <natureOfAcquisitionTransaction>Stock Option exercised and stock grants vested under Share Incentive Plan of 2019</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Jiayin Group Inc.</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>87467</amountOfSecuritiesAcquired>
  <paymentDate>09/01/2019</paymentDate>
  <natureOfPayment>Stock Option exercise cost</natureOfPayment>
  </securitiesToBeSold>
  <securitiesToBeSold>
  <securitiesClassTitle>Ordinary Shares represented by ADS</securitiesClassTitle>
  <acquiredDate>06/01/2023</acquiredDate>
  <natureOfAcquisitionTransaction>RSU exercised and stock grants vested under Share Incentive Plan of 2019</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Jiayin Group Inc.</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>75000</amountOfSecuritiesAcquired>
  <paymentDate>06/01/2023</paymentDate>
  <natureOfPayment>RSU exercise cost</natureOfPayment>
  </securitiesToBeSold>
  <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
  <securitiesSoldInPast3Months>
  <sellerDetails>
  <name>Fan Chunlin</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">Shanghai, Xuhui</street1>
  <city xmlns="http://www.sec.gov/edgar/common">Shanghai</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">F4</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">200030</zipCode>
  </address>
  </sellerDetails>
  <securitiesClassTitle>ADS</securitiesClassTitle>
  <saleDate>06/15/2023</saleDate>
  <amountOfSecuritiesSold>16337</amountOfSecuritiesSold>
  <grossProceeds>95705.7</grossProceeds>
  </securitiesSoldInPast3Months>
  <noticeSignature>
  <noticeDate>08/31/2023</noticeDate>
  <signature>/s/ Chunlin Fan</signature>
  </noticeSignature>
  </formData>
  </edgarSubmission>
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text: 144
  0001979675
  XXXXXXXX
  LIVE
  0001743102
  Jiayin Group Inc.
  001-38806
  18th Fl, Bldg No 1, Youyou Century Plaza
  428 South Yanggao Road
  Shanghai
  F4
  200122
  86-21-6190-6826
  Fan Chunlin
  Officer
  ADS
  Futu  Securities International (Hong Kong) Ltd. Ltd.
  18 Bonham Strand West, Sheung Wan
  Hong Kong
  F4
  999077
  24494
  138636.04
  108100000
  09/04/2023
  NASDAQ
  Ordinary Shares represented by ADS
  09/01/2019
  Stock Option exercised and stock grants vested under Share Incentive Plan of 2019
  Jiayin Group Inc.
  N
  87467
  09/01/2019
  Stock Option exercise cost
  Ordinary Shares represented by ADS
  06/01/2023
  RSU exercised and stock grants vested under Share Incentive Plan of 2019
  Jiayin Group Inc.
  N
  75000
  06/01/2023
  RSU exercise cost
  N
  Fan Chunlin
  Shanghai, Xuhui
  Shanghai
  F4
  200030
  ADS
  06/15/2023
  16337
  95705.7
  08/31/2023
  /s/ Chunlin Fan