<?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>0001232881</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001078075</issuerCik>
      <issuerName>NETSCOUT SYSTEMS INC</issuerName>
      <secFileNumber>000-26251</secFileNumber>
      <issuerAddress>
        <com:street1>310 LITTLETON ROAD</com:street1>
        <com:city>WESTFORD</com:city>
        <com:stateOrCountry>MA</com:stateOrCountry>
        <com:zipCode>01886</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>978-614-4000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>HADZIMA JOSEPH G JR</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Fidelity Brokerage Services LLC</name>
        <address>
          <com:street1>900 Salem Street</com:street1>
          <com:city>Smithfield</com:city>
          <com:stateOrCountry>RI</com:stateOrCountry>
          <com:zipCode>02917</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>1000</noOfUnitsSold>
      <aggregateMarketValue>30000.00</aggregateMarketValue>
      <noOfUnitsOutstanding>71252108</noOfUnitsOutstanding>
      <approxSaleDate>05/17/2023</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>09/09/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1000</amountOfSecuritiesAcquired>
      <paymentDate>09/09/2022</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>The trade took place in the Joseph G Hadzima Jr Revocable Trust account in which Joseph Hadzima Jr is the trustee.</remarks>
    <noticeSignature>
      <noticeDate>05/17/2023</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>11/25/2022</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Lisa Gerard, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Joseph Hadzima Jr</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
[{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3084}]
144
0001232881
XXXXXXXX
LIVE
0001078075
NETSCOUT SYSTEMS INC
000-26251
310 LITTLETON ROAD
WESTFORD
MA
01886
978-614-4000
HADZIMA JOSEPH G JR
Director
Common
Fidelity Brokerage Services LLC
900 Salem Street
Smithfield
RI
02917
1000
30000.00
71252108
05/17/2023
NASDAQ
Common
09/09/2022
Restricted Stock Vesting
Issuer
N
1000
09/09/2022
Compensation
Y
The trade took place in the Joseph G Hadzima Jr Revocable Trust account in which Joseph Hadzima Jr is the trustee.
05/17/2023
11/25/2022
/s/ Lisa Gerard, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Joseph Hadzima Jr