<SEC-DOCUMENT>0001193125-21-118408-index.html : 20210416
<SEC-HEADER>0001193125-21-118408.hdr.sgml : 20210416
<ACCEPTANCE-DATETIME>20210416060854
ACCESSION NUMBER:		0001193125-21-118408
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		18
CONFORMED PERIOD OF REPORT:	20210602
FILED AS OF DATE:		20210416
DATE AS OF CHANGE:		20210416

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACI WORLDWIDE, INC.
		CENTRAL INDEX KEY:			0000935036
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				470772104
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25346
		FILM NUMBER:		21830039

	BUSINESS ADDRESS:	
		STREET 1:		3520 KRAFT ROAD, SUITE 300
		CITY:			NAPLES
		STATE:			FL
		ZIP:			34105
		BUSINESS PHONE:		239-403-4600

	MAIL ADDRESS:	
		STREET 1:		3520 KRAFT ROAD, SUITE 300
		CITY:			NAPLES
		STATE:			FL
		ZIP:			34105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TRANSACTION SYSTEMS ARCHITECTS INC
		DATE OF NAME CHANGE:	19950109
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>d43997ddef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: d43997ddef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g43997g03z11.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g43997g03z11.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g43997g21z53.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g43997g21z53.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g43997g23o40.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g43997g23o40.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g43997g37d12.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g43997g37d12.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g43997g41d41.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g43997g41d41.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g43997g49a99.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g43997g49a99.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g43997g67l02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g43997g67l02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g43997g78c66.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g43997g78c66.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g43997g81x95.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g43997g81x95.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g43997g91f32.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g43997g91f32.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g43997g92a10.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g43997g92a10.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g43997pc1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g43997pc1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g43997pc2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g43997pc2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g43997pc3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g43997pc3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g43997pc4.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g43997pc4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>g43997pc5.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g43997pc5.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>g43997pc6.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g43997pc6.jpg

</DOCUMENT>
</SEC-DOCUMENT>