<SEC-DOCUMENT>0001047469-19-005835-index.html : 20191022
<SEC-HEADER>0001047469-19-005835.hdr.sgml : 20191022
<ACCEPTANCE-DATETIME>20191022170341
ACCESSION NUMBER:		0001047469-19-005835
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		6
CONFORMED PERIOD OF REPORT:	20191212
FILED AS OF DATE:		20191022
DATE AS OF CHANGE:		20191022
EFFECTIVENESS DATE:		20191022

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:		191162203

	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>a2239723zdef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: a2239723zdef14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g77536.jpg <DESCRIPTION>G77536.JPG <TEXT> Document 2 - file: g77536.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g396435.jpg <DESCRIPTION>G396435.JPG <TEXT> Document 3 - file: g396435.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g164935.jpg <DESCRIPTION>G164935.JPG <TEXT> Document 4 - file: g164935.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g187842bgi001.gif <DESCRIPTION>G187842BGI001.GIF <TEXT> Document 5 - file: g187842bgi001.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g187842bgi002.gif <DESCRIPTION>G187842BGI002.GIF <TEXT> Document 6 - file: g187842bgi002.gif
</DOCUMENT> </SEC-DOCUMENT>