<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:ns2="http://www.sec.gov/edgar/common">
    <headerData>
        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001134727</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



        </filerInfo>
    </headerData>
    <formData>
        <issuerInfo>
            <issuerCik>0001736297</issuerCik>
            <issuerName>Astera Labs, Inc.</issuerName>
            <secFileNumber>001-41979</secFileNumber>
            <issuerAddress>
                <ns2:street1>2901 Tasman Drive</ns2:street1>
                <ns2:city>Santa Clara</ns2:city>
                <ns2:stateOrCountry>CA</ns2:stateOrCountry>
                <ns2:zipCode>95054</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>408-337-9056</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>ALBA 2003 LIVING TRUST U/ADTD 07/29/2003</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Director</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>80000</noOfUnitsSold>
            <aggregateMarketValue>3770400.00</aggregateMarketValue>
            <noOfUnitsOutstanding>156656716</noOfUnitsOutstanding>
            <approxSaleDate>09/20/2024</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>03/21/2018</acquiredDate>
            <natureOfAcquisitionTransaction>Private Acquisition from Issuer or an Affiliate</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>80000</amountOfSecuritiesAcquired>
            <paymentDate>03/21/2018</paymentDate>
            <natureOfPayment>N/A</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>09/20/2024</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>05/31/2024</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Manuel Alba</signature>
        </noticeSignature>
    </formData>
</edgarSubmission>
[{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3350}]
144
0001134727
XXXXXXXX
LIVE
0001736297
Astera Labs, Inc.
001-41979
2901 Tasman Drive
Santa Clara
CA
95054
408-337-9056
ALBA 2003 LIVING TRUST U/ADTD 07/29/2003
Director
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
80000
3770400.00
156656716
09/20/2024
NASDAQ
Common
03/21/2018
Private Acquisition from Issuer or an Affiliate
Issuer
N
80000
03/21/2018
N/A
Y
09/20/2024
05/31/2024
/s/ Manuel Alba