    <SEC-DOCUMENT>0001104659-21-054497-index.html : 20210423
    <SEC-HEADER>0001104659-21-054497.hdr.sgml : 20210423
    <ACCEPTANCE-DATETIME>20210423163917
    ACCESSION NUMBER:		0001104659-21-054497
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		7
    CONFORMED PERIOD OF REPORT:	20210603
    FILED AS OF DATE:		20210423
    DATE AS OF CHANGE:		20210423

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			APPLIED OPTOELECTRONICS, INC.
    		CENTRAL INDEX KEY:			0001158114
    		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
    		IRS NUMBER:				760533927
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-36083
    		FILM NUMBER:		21850391

    	BUSINESS ADDRESS:
    		STREET 1:		13139 JESS PIRTLE BLVD
    		CITY:			SUGAR LAND
    		STATE:			TX
    		ZIP:			77478
    		BUSINESS PHONE:		281-295-1800

    	MAIL ADDRESS:
    		STREET 1:		13139 JESS PIRTLE BLVD
    		CITY:			SUGAR LAND
    		STATE:			TX
    		ZIP:			77478

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	APPLIED OPTOELECTRONICS INC
    		DATE OF NAME CHANGE:	20010824
    </SEC-HEADER>
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    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>tm212346-1_def14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: tm212346-1_def14a.htm

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    <DESCRIPTION>GRAPHIC
    <TEXT>
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    <DOCUMENT>
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    <SEQUENCE>3
    <FILENAME>sg_chihhsiangthompson-bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: sg_chihhsiangthompson-bw.jpg

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    <SEQUENCE>4
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: sg_davidkuo-bw.jpg

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    <SEQUENCE>5
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    <DESCRIPTION>GRAPHIC
    <TEXT>
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    <SEQUENCE>6
    <FILENAME>tm212346d1-pc_aoiapppg01bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: tm212346d1-pc_aoiapppg01bw.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>tm212346d1-pc_aoiapppg024c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
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