    <SEC-DOCUMENT>0000883241-21-000005-index.html : 20210218
    <SEC-HEADER>0000883241-21-000005.hdr.sgml : 20210218
    <ACCEPTANCE-DATETIME>20210218165145
    ACCESSION NUMBER:		0000883241-21-000005
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		83
    CONFORMED PERIOD OF REPORT:	20210408
    FILED AS OF DATE:		20210218
    DATE AS OF CHANGE:		20210218

    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:		21650302

    	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>a2021proxystatementdef14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: a2021proxystatementdef14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>frontcover-021a.jpg
    <TEXT>
    Document 2 - file: frontcover-021a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>icon_poweragreement1a.jpg
    <TEXT>
    Document 3 - file: icon_poweragreement1a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>icon_trgt1a.jpg
    <TEXT>
    Document 4 - file: icon_trgt1a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>image_1001.jpg
    <TEXT>
    Document 5 - file: image_1001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>image_101.jpg
    <TEXT>
    Document 6 - file: image_101.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>image_1011.jpg
    <TEXT>
    Document 7 - file: image_1011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>image_1041.jpg
    <TEXT>
    Document 8 - file: image_1041.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>image_1061.jpg
    <TEXT>
    Document 9 - file: image_1061.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>image_1081.jpg
    <TEXT>
    Document 10 - file: image_1081.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>image_1101.jpg
    <TEXT>
    Document 11 - file: image_1101.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>image_111.jpg
    <TEXT>
    Document 12 - file: image_111.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>image_1111.jpg
    <TEXT>
    Document 13 - file: image_1111.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>image_1121.jpg
    <TEXT>
    Document 14 - file: image_1121.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>image_1131.jpg
    <TEXT>
    Document 15 - file: image_1131.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>image_1141.jpg
    <TEXT>
    Document 16 - file: image_1141.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>image_1231.jpg
    <TEXT>
    Document 17 - file: image_1231.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>image_1261.jpg
    <TEXT>
    Document 18 - file: image_1261.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>image_1291.jpg
    <TEXT>
    Document 19 - file: image_1291.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>image_1301.jpg
    <TEXT>
    Document 20 - file: image_1301.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>image_131.jpg
    <TEXT>
    Document 21 - file: image_131.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>image_141.jpg
    <TEXT>
    Document 22 - file: image_141.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>image_151.jpg
    <TEXT>
    Document 23 - file: image_151.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>image_211.jpg
    <TEXT>
    Document 24 - file: image_211.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>image_261.jpg
    <TEXT>
    Document 25 - file: image_261.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>image_31.jpg
    <TEXT>
    Document 26 - file: image_31.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>image_311a.jpg
    <TEXT>
    Document 27 - file: image_311a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>image_41.jpg
    <TEXT>
    Document 28 - file: image_41.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>image_491.jpg
    <TEXT>
    Document 29 - file: image_491.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>image_51.jpg
    <TEXT>
    Document 30 - file: image_51.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>image_511.jpg
    <TEXT>
    Document 31 - file: image_511.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>image_531.jpg
    <TEXT>
    Document 32 - file: image_531.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>image_551.jpg
    <TEXT>
    Document 33 - file: image_551.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>image_571.jpg
    <TEXT>
    Document 34 - file: image_571.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>image_591.jpg
    <TEXT>
    Document 35 - file: image_591.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>image_61.jpg
    <TEXT>
    Document 36 - file: image_61.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>image_611.jpg
    <TEXT>
    Document 37 - file: image_611.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>38
    <FILENAME>image_631.jpg
    <TEXT>
    Document 38 - file: image_631.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>39
    <FILENAME>image_651.jpg
    <TEXT>
    Document 39 - file: image_651.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>40
    <FILENAME>image_71.jpg
    <TEXT>
    Document 40 - file: image_71.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>41
    <FILENAME>image_761a.jpg
    <TEXT>
    Document 41 - file: image_761a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>42
    <FILENAME>image_811.jpg
    <TEXT>
    Document 42 - file: image_811.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>43
    <FILENAME>image_851.jpg
    <TEXT>
    Document 43 - file: image_851.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>44
    <FILENAME>image_91.jpg
    <TEXT>
    Document 44 - file: image_91.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>45
    <FILENAME>logo_carbonneutral1.jpg
    <TEXT>
    Document 45 - file: logo_carbonneutral1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>46
    <FILENAME>p2_logosynopsystop3a.jpg
    <TEXT>
    Document 46 - file: p2_logosynopsystop3a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>47
    <FILENAME>p2_sigxrunkelj1.jpg
    <TEXT>
    Document 47 - file: p2_sigxrunkelj1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>48
    <FILENAME>p42_iconxnewproducts1.jpg
    <TEXT>
    Document 48 - file: p42_iconxnewproducts1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>49
    <FILENAME>p44_piechartotherneobasesa.jpg
    <TEXT>
    Document 49 - file: p44_piechartotherneobasesa.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>50
    <FILENAME>p44_piechartotherneocashin.jpg
    <TEXT>
    Document 50 - file: p44_piechartotherneocashin.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>51
    <FILENAME>p44_piechartotherneostocko.jpg
    <TEXT>
    Document 51 - file: p44_piechartotherneostocko.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>52
    <FILENAME>p44_piechartxco-ceosx1ai2.jpg
    <TEXT>
    Document 52 - file: p44_piechartxco-ceosx1ai2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>53
    <FILENAME>p44_piechartxotherneosx1ai2.jpg
    <TEXT>
    Document 53 - file: p44_piechartxotherneosx1ai2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>54
    <FILENAME>p51_barhartxprsunon-gaapx0a.jpg
    <TEXT>
    Document 54 - file: p51_barhartxprsunon-gaapx0a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>55
    <FILENAME>p54_barhartxspecialprsugra.jpg
    <TEXT>
    Document 55 - file: p54_barhartxspecialprsugra.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>56
    <FILENAME>p9_barchartxexecutiveleade.jpg
    <TEXT>
    Document 56 - file: p9_barchartxexecutiveleade.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>57
    <FILENAME>p9_barchartxfinancialexper.jpg
    <TEXT>
    Document 57 - file: p9_barchartxfinancialexper.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>58
    <FILENAME>p9_barchartxglobalexpertis.jpg
    <TEXT>
    Document 58 - file: p9_barchartxglobalexpertis.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>59
    <FILENAME>p9_barchartxpubliccompanyb.jpg
    <TEXT>
    Document 59 - file: p9_barchartxpubliccompanyb.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>60
    <FILENAME>p9_barchartxriskmanagement1.jpg
    <TEXT>
    Document 60 - file: p9_barchartxriskmanagement1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>61
    <FILENAME>p9_barchartxsalesandmarket.jpg
    <TEXT>
    Document 61 - file: p9_barchartxsalesandmarket.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>62
    <FILENAME>p9_barchartxsemiconductori.jpg
    <TEXT>
    Document 62 - file: p9_barchartxsemiconductori.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>63
    <FILENAME>p9_barchartxsoftwareindust.jpg
    <TEXT>
    Document 63 - file: p9_barchartxsoftwareindust.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>64
    <FILENAME>p9_barchartxstrategy1.jpg
    <TEXT>
    Document 64 - file: p9_barchartxstrategy1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>65
    <FILENAME>p9_piechartxdiversity1.jpg
    <TEXT>
    Document 65 - file: p9_piechartxdiversity1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>66
    <FILENAME>p9_piechartxgender1.jpg
    <TEXT>
    Document 66 - file: p9_piechartxgender1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>67
    <FILENAME>p9_piechartxindependence1.jpg
    <TEXT>
    Document 67 - file: p9_piechartxindependence1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>68
    <FILENAME>p9_piechartxtenure1.jpg
    <TEXT>
    Document 68 - file: p9_piechartxtenure1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>69
    <FILENAME>pg6_graphicxproposal11a.jpg
    <TEXT>
    Document 69 - file: pg6_graphicxproposal11a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>70
    <FILENAME>pg7_graphicxproposal2-011a.jpg
    <TEXT>
    Document 70 - file: pg7_graphicxproposal2-011a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>71
    <FILENAME>pg7_graphicxproposal3-011a.jpg
    <TEXT>
    Document 71 - file: pg7_graphicxproposal3-011a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>72
    <FILENAME>pg9_graphicxproposal4-011a.jpg
    <TEXT>
    Document 72 - file: pg9_graphicxproposal4-011a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>73
    <FILENAME>pg9_graphicxproposal5-011a.jpg
    <TEXT>
    Document 73 - file: pg9_graphicxproposal5-011a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>74
    <FILENAME>pg_18xgraphicxaudit1.jpg
    <TEXT>
    Document 74 - file: pg_18xgraphicxaudit1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>75
    <FILENAME>pg_18xgraphicxcompensation1.jpg
    <TEXT>
    Document 75 - file: pg_18xgraphicxcompensation1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>76
    <FILENAME>pg_18xgraphicxgovernance1.jpg
    <TEXT>
    Document 76 - file: pg_18xgraphicxgovernance1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>77
    <FILENAME>pg_30xgraphicxproposal21.jpg
    <TEXT>
    Document 77 - file: pg_30xgraphicxproposal21.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>78
    <FILENAME>pg_41xgraphicxproposal31.jpg
    <TEXT>
    Document 78 - file: pg_41xgraphicxproposal31.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>79
    <FILENAME>pg_74xgraphicxproposal41.jpg
    <TEXT>
    Document 79 - file: pg_74xgraphicxproposal41.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>80
    <FILENAME>pg_77xgraphicxproposal51.jpg
    <TEXT>
    Document 80 - file: pg_77xgraphicxproposal51.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>81
    <FILENAME>pg_8xgraphicxproposal11.jpg
    <TEXT>
    Document 81 - file: pg_8xgraphicxproposal11.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>82
    <FILENAME>synopsys381566-def14ax1x11a.jpg
    <TEXT>
    Document 82 - file: synopsys381566-def14ax1x11a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>83
    <FILENAME>synopsys381566-def14ax2x11a.jpg
    <TEXT>
    Document 83 - file: synopsys381566-def14ax2x11a.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>