<SEC-DOCUMENT>0001083839-20-000020-index.html : 20200623
<SEC-HEADER>0001083839-20-000020.hdr.sgml : 20200623
<ACCEPTANCE-DATETIME>20200623114523
ACCESSION NUMBER:		0001083839-20-000020
CONFORMED SUBMISSION TYPE:	24F-2NT
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200331
FILED AS OF DATE:		20200623
DATE AS OF CHANGE:		20200623
EFFECTIVENESS DATE:		20200623

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:		24F-2NT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	033-16905
		FILM NUMBER:		20981006

	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>S000005564
<SERIES-NAME>Nuveen Short Term Municipal Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015152
<CLASS-CONTRACT-NAME>Class A
<CLASS-CONTRACT-TICKER-SYMBOL>FSHAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015153
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FSHYX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000106247
<CLASS-CONTRACT-NAME>Nuveen Short Term Municipal Bond Fund Class C2
<CLASS-CONTRACT-TICKER-SYMBOL>NSVCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000137682
<CLASS-CONTRACT-NAME>Nuveen Short Term Municipal Bond Fund Class C
<CLASS-CONTRACT-TICKER-SYMBOL>NAAEX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>24F-2NT
<SEQUENCE>1
<FILENAME>nuvinvfunds24f2mar2020.txt
<DESCRIPTION>NUVEEN INVESTMENT FUNDS 03-31-2020 FORM 24F-2
<TEXT>
Document 1 - file: nuvinvfunds24f2mar2020.txt

</DOCUMENT>
</SEC-DOCUMENT>