<SEC-DOCUMENT>0001193125-17-279026-index.html : 20170907
<SEC-HEADER>0001193125-17-279026.hdr.sgml : 20170907
<ACCEPTANCE-DATETIME>20170907142044
ACCESSION NUMBER:		0001193125-17-279026
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		13
CONFORMED PERIOD OF REPORT:	20170630
FILED AS OF DATE:		20170907
DATE AS OF CHANGE:		20170907
EFFECTIVENESS DATE:		20170907

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:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05309
		FILM NUMBER:		171073595

	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 High Income Bond 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>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000188673
<CLASS-CONTRACT-NAME>Class T
<CLASS-CONTRACT-TICKER-SYMBOL>FCPTX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000820892
<SERIES-ID>S000005545
<SERIES-NAME>Nuveen Inflation Protected Securities Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015081
<CLASS-CONTRACT-NAME>Class A
<CLASS-CONTRACT-TICKER-SYMBOL>FAIPX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015082
<CLASS-CONTRACT-NAME>Class C
<CLASS-CONTRACT-TICKER-SYMBOL>FCIPX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015083
<CLASS-CONTRACT-NAME>Class R3
<CLASS-CONTRACT-TICKER-SYMBOL>FRIPX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015084
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FYIPX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151931
<CLASS-CONTRACT-NAME>Class R6
<CLASS-CONTRACT-TICKER-SYMBOL>FISFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000188674
<CLASS-CONTRACT-NAME>Class T
<CLASS-CONTRACT-TICKER-SYMBOL>FIFTX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000820892
<SERIES-ID>S000005546
<SERIES-NAME>Nuveen Intermediate Government Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015085
<CLASS-CONTRACT-NAME>Class A
<CLASS-CONTRACT-TICKER-SYMBOL>FIGAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015086
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FYGYX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000081079
<CLASS-CONTRACT-NAME>Class C
<CLASS-CONTRACT-TICKER-SYMBOL>FYGCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000081080
<CLASS-CONTRACT-NAME>Class R3
<CLASS-CONTRACT-TICKER-SYMBOL>FYGRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000188675
<CLASS-CONTRACT-NAME>Class T
<CLASS-CONTRACT-TICKER-SYMBOL>FYGTX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000820892
<SERIES-ID>S000005548
<SERIES-NAME>Nuveen Core Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015089
<CLASS-CONTRACT-NAME>Class A
<CLASS-CONTRACT-TICKER-SYMBOL>FAIIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015090
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FINIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000096213
<CLASS-CONTRACT-NAME>Class C
<CLASS-CONTRACT-TICKER-SYMBOL>NTIBX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151932
<CLASS-CONTRACT-NAME>Class R6
<CLASS-CONTRACT-TICKER-SYMBOL>NTIFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000188676
<CLASS-CONTRACT-NAME>Class T
<CLASS-CONTRACT-TICKER-SYMBOL>FIDTX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000820892
<SERIES-ID>S000005566
<SERIES-NAME>Nuveen Short Term Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015156
<CLASS-CONTRACT-NAME>Class A
<CLASS-CONTRACT-TICKER-SYMBOL>FALTX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015157
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FLTIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000081083
<CLASS-CONTRACT-NAME>Class C
<CLASS-CONTRACT-TICKER-SYMBOL>FBSCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000104758
<CLASS-CONTRACT-NAME>Class R3
<CLASS-CONTRACT-TICKER-SYMBOL>NSSRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151933
<CLASS-CONTRACT-NAME>Class R6
<CLASS-CONTRACT-TICKER-SYMBOL>NSSFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000188682
<CLASS-CONTRACT-NAME>Class T
<CLASS-CONTRACT-TICKER-SYMBOL>NSATX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000820892
<SERIES-ID>S000005573
<SERIES-NAME>Nuveen Strategic Income Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015185
<CLASS-CONTRACT-NAME>Class A
<CLASS-CONTRACT-TICKER-SYMBOL>FCDDX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015187
<CLASS-CONTRACT-NAME>Class C
<CLASS-CONTRACT-TICKER-SYMBOL>FCBCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015188
<CLASS-CONTRACT-NAME>Class R3
<CLASS-CONTRACT-TICKER-SYMBOL>FABSX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015189
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FCBYX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151934
<CLASS-CONTRACT-NAME>Class R6
<CLASS-CONTRACT-TICKER-SYMBOL>FSFRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000188683
<CLASS-CONTRACT-NAME>Class T
<CLASS-CONTRACT-TICKER-SYMBOL>FSFTX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000820892
<SERIES-ID>S000005578
<SERIES-NAME>Nuveen Core Plus Bond Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015203
<CLASS-CONTRACT-NAME>Class A
<CLASS-CONTRACT-TICKER-SYMBOL>FAFIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015205
<CLASS-CONTRACT-NAME>Class C
<CLASS-CONTRACT-TICKER-SYMBOL>FFAIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015206
<CLASS-CONTRACT-NAME>Class R3
<CLASS-CONTRACT-TICKER-SYMBOL>FFISX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015207
<CLASS-CONTRACT-NAME>Class I
<CLASS-CONTRACT-TICKER-SYMBOL>FFIIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000151935
<CLASS-CONTRACT-NAME>Class R6
<CLASS-CONTRACT-TICKER-SYMBOL>FPCFX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000188684
<CLASS-CONTRACT-NAME>Class T
<CLASS-CONTRACT-TICKER-SYMBOL>FFITX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSR
<SEQUENCE>1
<FILENAME>d408246dncsr.htm
<DESCRIPTION>NUVEEN INVESTMENT FUNDS, INC.
<TEXT>
Document 1 - file: d408246dncsr.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.CERT <SEQUENCE>2 <FILENAME>d408246dex99cert.htm <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT <TEXT> Document 2 - file: d408246dex99cert.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.906CERT <SEQUENCE>3 <FILENAME>d408246dex99906cert.htm <DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT <TEXT> Document 3 - file: d408246dex99906cert.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g408246g06c23.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g408246g06c23.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g408246g15r42.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g408246g15r42.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g408246g16i30.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g408246g16i30.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g408246g39w87.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g408246g39w87.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g408246g43u40.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g408246g43u40.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g408246g54g85.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g408246g54g85.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g408246g59d77.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g408246g59d77.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g408246g60f60.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g408246g60f60.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g408246g73u72.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g408246g73u72.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g408246g87j47.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g408246g87j47.jpg
</DOCUMENT> </SEC-DOCUMENT>