<SEC-DOCUMENT>0001193125-20-155859-index.html : 20200529
<SEC-HEADER>0001193125-20-155859.hdr.sgml : 20200529
<ACCEPTANCE-DATETIME>20200529163108
ACCESSION NUMBER:		0001193125-20-155859
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		2
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20191231
</ITEM>
<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20191231
</ITEM>
</RULE>
FILED AS OF DATE:		20200529
DATE AS OF CHANGE:		20200529

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SYNOPSYS INC
		CENTRAL INDEX KEY:			0000883241
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				561546236
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19807
		FILM NUMBER:		20928422

	BUSINESS ADDRESS:	
		STREET 1:		690 E MIDDLEFIELD RD
		CITY:			MOUNTAIN VIEW
		STATE:			CA
		ZIP:			94043
		BUSINESS PHONE:		6505845000

	MAIL ADDRESS:	
		STREET 1:		690 E MIDDLEFIELD RD
		CITY:			MOUNTAIN VIEW
		STATE:			CA
		ZIP:			94043
</SEC-HEADER>
<DOCUMENT>
<TYPE>SD
<SEQUENCE>1
<FILENAME>d818434dsd.htm
<DESCRIPTION>SD
<TEXT>
Document 1 - file: d818434dsd.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.01
<SEQUENCE>2
<FILENAME>d818434dex101.htm
<DESCRIPTION>EX-1.01
<TEXT>
Document 2 - file: d818434dex101.htm

</DOCUMENT>
</SEC-DOCUMENT>