    <SEC-DOCUMENT>0001193125-17-048088-index.html : 20170217
    <SEC-HEADER>0001193125-17-048088.hdr.sgml : 20170217
    <ACCEPTANCE-DATETIME>20170217170304
    ACCESSION NUMBER:		0001193125-17-048088
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		15
    CONFORMED PERIOD OF REPORT:	20170406
    FILED AS OF DATE:		20170217
    DATE AS OF CHANGE:		20170217
    EFFECTIVENESS DATE:		20170217

    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:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-19807
    		FILM NUMBER:		17622206

    	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>DEF 14A
    <SEQUENCE>1
    <FILENAME>d308693ddef14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: d308693ddef14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g308693g15z10.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g308693g15z10.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g308693g22i18.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g308693g22i18.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g308693g26y93.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g308693g26y93.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g308693g31n40.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g308693g31n40.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g308693g34g56.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g308693g34g56.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g308693g34k50.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g308693g34k50.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g308693g40e43.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g308693g40e43.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g308693g44k50.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g308693g44k50.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g308693g49m85.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g308693g49m85.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g308693g88j28.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g308693g88j28.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g308693g92t13.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g308693g92t13.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g308693g96e53.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g308693g96e53.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g308693pc_pg001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g308693pc_pg001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g308693pc_pg002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g308693pc_pg002.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>