<SEC-DOCUMENT>0001193125-17-244236-index.html : 20170801
<SEC-HEADER>0001193125-17-244236.hdr.sgml : 20170801
<ACCEPTANCE-DATETIME>20170801160834
ACCESSION NUMBER:		0001193125-17-244236
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20170801
DATE AS OF CHANGE:		20170801
EFFECTIVENESS DATE:		20170801

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:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-219608
		FILM NUMBER:		17996808

	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>S-8
<SEQUENCE>1
<FILENAME>d409626ds8.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: d409626ds8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d409626dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d409626dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>d409626dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: d409626dex231.htm

</DOCUMENT>
</SEC-DOCUMENT>