<SEC-DOCUMENT>0001111565-17-000123-index.html : 20171017
<SEC-HEADER>0001111565-17-000123.hdr.sgml : 20171017
<ACCEPTANCE-DATETIME>20171016173146
ACCESSION NUMBER:		0001111565-17-000123
CONFORMED SUBMISSION TYPE:	40-17F2
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20171017
DATE AS OF CHANGE:		20171016
EFFECTIVENESS DATE:		20171017

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DREYFUS INVESTMENT FUNDS
		CENTRAL INDEX KEY:			0000799295
		IRS NUMBER:				043106135
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		40-17F2
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-04813
		FILM NUMBER:		171139490

	BUSINESS ADDRESS:	
		STREET 1:		200 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		212-922-6000

	MAIL ADDRESS:	
		STREET 1:		200 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MELLON INSTITUTIONAL FUNDS INVESTMENT TRUST
		DATE OF NAME CHANGE:	20030707

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STANDISH AYER & WOOD INVESTMENT TRUST
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DREYFUS INVESTMENT FUNDS
		CENTRAL INDEX KEY:			0000799295
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				043106135
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		40-17F2

	BUSINESS ADDRESS:	
		STREET 1:		200 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166
		BUSINESS PHONE:		212-922-6000

	MAIL ADDRESS:	
		STREET 1:		200 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10166

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MELLON INSTITUTIONAL FUNDS INVESTMENT TRUST
		DATE OF NAME CHANGE:	20030707

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STANDISH AYER & WOOD INVESTMENT TRUST
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>40-17F2
<SEQUENCE>1
<FILENAME>r-40172123120163.txt
<TEXT>
Document 1 - file: r-40172123120163.txt

</DOCUMENT>
</SEC-DOCUMENT>