    <SEC-DOCUMENT>0001387467-25-000056-index.html : 20250918
    <SEC-HEADER>0001387467-25-000056.hdr.sgml : 20250918
    <ACCEPTANCE-DATETIME>20250918134621
    ACCESSION NUMBER:		0001387467-25-000056
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20250630
    FILED AS OF DATE:		20250918
    DATE AS OF CHANGE:		20250918
    EFFECTIVENESS DATE:		20250918

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ALPHA & OMEGA SEMICONDUCTOR Ltd
    		CENTRAL INDEX KEY:			0001387467
    		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
    		ORGANIZATION NAME:           	04 Manufacturing
    		EIN:				000000000
    		FISCAL YEAR END:			0630

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-34717
    		FILM NUMBER:		251322697

    	BUSINESS ADDRESS:
    		STREET 1:		475 OAKMEAD PARKWAY
    		CITY:			SUNNYVALE
    		STATE:			CA
    		ZIP:			94085
    		BUSINESS PHONE:		408-830-9742

    	MAIL ADDRESS:
    		STREET 1:		475 OAKMEAD PARKWAY
    		CITY:			SUNNYVALE
    		STATE:			CA
    		ZIP:			94085

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ALPHA & OMEGA SEMICONDUCTOR LTD
    		DATE OF NAME CHANGE:	20070123
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>aosl6302025finalfiledwiths.pdf
    <DESCRIPTION>ARS FY2025 10K
    <TEXT>
    Document 1 - file: aosl6302025finalfiledwiths.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>