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        <submissionType>144</submissionType>
        <filerInfo>
            <filer>
                <filerCredentials>
                    <cik>0001787488</cik>
                    <ccc>XXXXXXXX</ccc>
                </filerCredentials>
            </filer>
            <liveTestFlag>LIVE</liveTestFlag>



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        <issuerInfo>
            <issuerCik>0001387467</issuerCik>
            <issuerName>ALPHA AND OMEGA SEMICONDUCTOR LIMITED</issuerName>
            <secFileNumber>001-34717</secFileNumber>
            <issuerAddress>
                <ns2:street1>Clarendon House, 2 Church Street</ns2:street1>
                <ns2:city>Hamilton</ns2:city>
                <ns2:stateOrCountry>D0</ns2:stateOrCountry>
                <ns2:zipCode>HM 11</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>(408) 830-9742</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>BING XUE</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>E*TRADE FINANCIAL CORPORATION</name>
                <address>
                    <ns2:street1>3 EDISON DRIVE</ns2:street1>
                    <ns2:city>ALPHARETTA</ns2:city>
                    <ns2:stateOrCountry>GA</ns2:stateOrCountry>
                    <ns2:zipCode>30005</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
            <noOfUnitsSold>3983</noOfUnitsSold>
            <aggregateMarketValue>118187.56</aggregateMarketValue>
            <noOfUnitsOutstanding>27488761</noOfUnitsOutstanding>
            <approxSaleDate>06/13/2023</approxSaleDate>
            <securitiesExchangeName>NASD</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <acquiredDate>03/15/2023</acquiredDate>
            <natureOfAcquisitionTransaction>Restricted Stock</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>3983</amountOfSecuritiesAcquired>
            <paymentDate>03/15/2023</paymentDate>
            <natureOfPayment>Not Applicable</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>BING XUE</name>
                <address>
                    <ns2:street1>Clarendon House, 2 Church Street</ns2:street1>
                    <ns2:city>Hamilton</ns2:city>
                    <ns2:stateOrCountry>D0</ns2:stateOrCountry>
                    <ns2:zipCode>HM 11</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>05/12/2023</saleDate>
            <amountOfSecuritiesSold>3226</amountOfSecuritiesSold>
            <grossProceeds>77279.48</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>BING XUE</name>
                <address>
                    <ns2:street1>Clarendon House, 2 Church Street</ns2:street1>
                    <ns2:city>Hamilton</ns2:city>
                    <ns2:stateOrCountry>D0</ns2:stateOrCountry>
                    <ns2:zipCode>HM 11</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>04/13/2023</saleDate>
            <amountOfSecuritiesSold>3983</amountOfSecuritiesSold>
            <grossProceeds>100755.96</grossProceeds>
        </securitiesSoldInPast3Months>
        <securitiesSoldInPast3Months>
            <sellerDetails>
                <name>BING XUE</name>
                <address>
                    <ns2:street1>Clarendon House, 2 Church Street</ns2:street1>
                    <ns2:city>Hamilton</ns2:city>
                    <ns2:stateOrCountry>D0</ns2:stateOrCountry>
                    <ns2:zipCode>HM 11</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>COMMON</securitiesClassTitle>
            <saleDate>03/16/2023</saleDate>
            <amountOfSecuritiesSold>645</amountOfSecuritiesSold>
            <grossProceeds>16131.00</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>06/13/2023</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>02/14/2023</planAdoptionDate>
            </planAdoptionDates>
            <signature>/a/ Bing Xue</signature>
        </noticeSignature>
    </formData>
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144
0001787488
XXXXXXXX
LIVE
0001387467
ALPHA AND OMEGA SEMICONDUCTOR LIMITED
001-34717
Clarendon House, 2 Church Street
Hamilton
D0
HM 11
(408) 830-9742
BING XUE
Officer
Common
E*TRADE FINANCIAL CORPORATION
3 EDISON DRIVE
ALPHARETTA
GA
30005
3983
118187.56
27488761
06/13/2023
NASD
COMMON
03/15/2023
Restricted Stock
ISSUER
N
3983
03/15/2023
Not Applicable
N
BING XUE
Clarendon House, 2 Church Street
Hamilton
D0
HM 11
Common
05/12/2023
3226
77279.48
BING XUE
Clarendon House, 2 Church Street
Hamilton
D0
HM 11
Common
04/13/2023
3983
100755.96
BING XUE
Clarendon House, 2 Church Street
Hamilton
D0
HM 11
COMMON
03/16/2023
645
16131.00
06/13/2023
02/14/2023
/a/ Bing Xue