<SEC-DOCUMENT>0001104659-21-128524-index.html : 20211021
<SEC-HEADER>0001104659-21-128524.hdr.sgml : 20211021
<ACCEPTANCE-DATETIME>20211021170139
ACCESSION NUMBER:		0001104659-21-128524
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		24
CONFORMED PERIOD OF REPORT:	20211209
FILED AS OF DATE:		20211021
DATE AS OF CHANGE:		20211021

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OSI SYSTEMS INC
		CENTRAL INDEX KEY:			0001039065
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				330238801
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23125
		FILM NUMBER:		211337645

	BUSINESS ADDRESS:	
		STREET 1:		12525 CHADRON AVE
		CITY:			HAWTHORNE
		STATE:			CA
		ZIP:			90250
		BUSINESS PHONE:		3109780516

	MAIL ADDRESS:	
		STREET 1:		12525 CHADRON AVENUE
		CITY:			HAWTHORNE
		STATE:			CA
		ZIP:			90250
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>tm216596-1_def14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: tm216596-1_def14a.htm

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<TYPE>GRAPHIC
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<FILENAME>lg_fsc-bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: lg_fsc-bw.jpg

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<FILENAME>lg_osisysteminc485-pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: lg_osisysteminc485-pn.jpg

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<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>lg_soyink-bw1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: lg_soyink-bw1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>sg_victors-bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: sg_victors-bw.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
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<FILENAME>tm207232d2-icon_qrbwlr.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: tm207232d2-icon_qrbwlr.jpg

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<DOCUMENT>
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<FILENAME>tm216596d1-pc_ceopn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: tm216596d1-pc_ceopn.jpg

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<DOCUMENT>
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<FILENAME>tm216596d1-pc_composit1pn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: tm216596d1-pc_composit1pn.jpg

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<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>tm216596d1-pc_diversitypn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: tm216596d1-pc_diversitypn.jpg

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<SEQUENCE>10
<FILENAME>tm216596d1-pc_indepenpn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: tm216596d1-pc_indepenpn.jpg

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<DOCUMENT>
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<FILENAME>tm216596d1-pc_neopn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: tm216596d1-pc_neopn.jpg

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<FILENAME>tm216596d1-tbl_dirbusinpn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: tm216596d1-tbl_dirbusinpn.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>tm216596d1_px-01proxybw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: tm216596d1_px-01proxybw.jpg

</DOCUMENT>
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<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>tm216596d1_px-02proxy4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: tm216596d1_px-02proxy4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>tm216596d3-icon_accountbw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: tm216596d3-icon_accountbw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>tm216596d3-icon_computpn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: tm216596d3-icon_computpn.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>tm216596d3-icon_innovatbw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: tm216596d3-icon_innovatbw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>tm216596d3-icon_integritybw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: tm216596d3-icon_integritybw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>tm216596d3-icon_mailpn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: tm216596d3-icon_mailpn.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>tm216596d3-icon_phonepn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: tm216596d3-icon_phonepn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>tm216596d3-icon_qrbwlr.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: tm216596d3-icon_qrbwlr.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>tm216596d3-icon_teamworkbw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: tm216596d3-icon_teamworkbw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>tm216596d3-icon_wwwpn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: tm216596d3-icon_wwwpn.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>tm216596d3-pc_malefemalepn.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: tm216596d3-pc_malefemalepn.jpg

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