<SEC-DOCUMENT>0001193125-21-066565-index.html : 20210303
<SEC-HEADER>0001193125-21-066565.hdr.sgml : 20210303
<ACCEPTANCE-DATETIME>20210303070128
ACCESSION NUMBER:		0001193125-21-066565
CONFORMED SUBMISSION TYPE:	497K
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210303
DATE AS OF CHANGE:		20210303
EFFECTIVENESS DATE:		20210303

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NUVEEN INVESTMENT FUNDS INC
		CENTRAL INDEX KEY:			0000820892
		IRS NUMBER:				411418224
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		497K
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-16905
		FILM NUMBER:		21707197

	BUSINESS ADDRESS:	
		STREET 1:		333 WEST WACKER DR.
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		312-917-8146

	MAIL ADDRESS:	
		STREET 1:		333 WEST WACKER DR.
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIRST AMERICAN INVESTMENT FUNDS INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SECURAL MUTUAL FUNDS INC
		DATE OF NAME CHANGE:	19910627
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000820892
<SERIES-ID>S000005544
<SERIES-NAME>Nuveen Credit Income Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015076
<CLASS-CONTRACT-NAME>Class A
<CLASS-CONTRACT-TICKER-SYMBOL>FJSIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015078
<CLASS-CONTRACT-NAME>Class C
<CLASS-CONTRACT-TICKER-SYMBOL>FCSIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015079
<CLASS-CONTRACT-NAME>Class R3
<CLASS-CONTRACT-TICKER-SYMBOL>FANSX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015080
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FJSYX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497K
<SEQUENCE>1
<FILENAME>d98576d497k.htm
<DESCRIPTION>NUVEEN INVESTMENT FUNDS, INC.
<TEXT>
Document 1 - file: d98576d497k.htm

</DOCUMENT>
</SEC-DOCUMENT>