<?xml version="1.0" encoding="UTF-8"?><ns2:edgarSubmission xmlns:com="http://www.sec.gov/edgar/common" xmlns:ns2="http://www.sec.gov/edgar/ownership">
    <ns2:headerData>
        <ns2:submissionType>144</ns2:submissionType>
        <ns2:filerInfo>
            <ns2:filer>
                <ns2:filerCredentials>
                    <ns2:cik>0001167476</ns2:cik>
                    <ns2:ccc>XXXXXXXX</ns2:ccc>
                </ns2:filerCredentials>
            </ns2:filer>
            <ns2:liveTestFlag>LIVE</ns2:liveTestFlag>



        </ns2:filerInfo>
    </ns2:headerData>
    <ns2:formData>
        <ns2:issuerInfo>
            <ns2:issuerCik>0001060955</ns2:issuerCik>
            <ns2:issuerName>Icon Public Limited Company</ns2:issuerName>
            <ns2:secFileNumber>333-08704</ns2:secFileNumber>
            <ns2:issuerAddress>
                <com:street1>South County Business Park</com:street1>
                <com:street2>Leopardstown</com:street2>
                <com:city>Dublin</com:city>
                <com:stateOrCountry>L2</com:stateOrCountry>
                <com:zipCode>18</com:zipCode>
            </ns2:issuerAddress>
            <ns2:issuerContactPhone>353-1-291-2000</ns2:issuerContactPhone>
            <ns2:nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>John Climax</ns2:nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <ns2:relationshipsToIssuer>
                <ns2:relationshipToIssuer>Director</ns2:relationshipToIssuer>
            </ns2:relationshipsToIssuer>
        </ns2:issuerInfo>
        <ns2:securitiesInformation>
            <ns2:securitiesClassTitle>Common Stock</ns2:securitiesClassTitle>
            <ns2:brokerOrMarketmakerDetails>
                <ns2:name>Goldman Sachs &amp; Co. LLC</ns2:name>
                <ns2:address>
                    <com:street1>200 West Street</com:street1>
                    <com:city>New York</com:city>
                    <com:stateOrCountry>NY</com:stateOrCountry>
                    <com:zipCode>10282</com:zipCode>
                </ns2:address>
            </ns2:brokerOrMarketmakerDetails>
            <ns2:noOfUnitsSold>60000</ns2:noOfUnitsSold>
            <ns2:aggregateMarketValue>13516800</ns2:aggregateMarketValue>
            <ns2:noOfUnitsOutstanding>82151049</ns2:noOfUnitsOutstanding>
            <ns2:approxSaleDate>12/13/2023</ns2:approxSaleDate>
            <ns2:securitiesExchangeName>NASD</ns2:securitiesExchangeName>
        </ns2:securitiesInformation>
        <ns2:securitiesToBeSold>
            <ns2:securitiesClassTitle>Common Stock</ns2:securitiesClassTitle>
            <ns2:acquiredDate>06/14/1990</ns2:acquiredDate>
            <ns2:natureOfAcquisitionTransaction>Founder's Shares</ns2:natureOfAcquisitionTransaction>
            <ns2:nameOfPersonfromWhomAcquired>Icon Plc</ns2:nameOfPersonfromWhomAcquired>
            <ns2:isGiftTransaction>N</ns2:isGiftTransaction>
            <ns2:amountOfSecuritiesAcquired>60000</ns2:amountOfSecuritiesAcquired>
            <ns2:paymentDate>06/14/1990</ns2:paymentDate>
            <ns2:natureOfPayment>For Services Rendered</ns2:natureOfPayment>
        </ns2:securitiesToBeSold>
        <ns2:nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</ns2:nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <ns2:remarks>All shares to be sold by Poplar Limited.</ns2:remarks>
        <ns2:noticeSignature>
            <ns2:noticeDate>12/13/2023</ns2:noticeDate>
            <ns2:planAdoptionDates/>
            <ns2:signature>Goldman Sachs &amp; Co. LLC on behalf of John Climax</ns2:signature>
        </ns2:noticeSignature>
    </ns2:formData>
</ns2:edgarSubmission>
[{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3656}]
144
0001167476
XXXXXXXX
LIVE
0001060955
Icon Public Limited Company
333-08704
South County Business Park
Leopardstown
Dublin
L2
18
353-1-291-2000
John Climax
Director
Common Stock
Goldman Sachs & Co. LLC
200 West Street
New York
NY
10282
60000
13516800
82151049
12/13/2023
NASD
Common Stock
06/14/1990
Founder's Shares
Icon Plc
N
60000
06/14/1990
For Services Rendered
Y
All shares to be sold by Poplar Limited.
12/13/2023
Goldman Sachs & Co. LLC on behalf of John Climax