<SEC-DOCUMENT>0000899681-14-000149-index.html : 20141016
<SEC-HEADER>0000899681-14-000149.hdr.sgml : 20141016

<ACCEPTANCE-DATETIME>20140221163107

<PRIVATE-TO-PUBLIC>

ACCESSION NUMBER:		0000899681-14-000149

CONFORMED SUBMISSION TYPE:	485BPOS

PUBLIC DOCUMENT COUNT:		7

FILED AS OF DATE:		20140221

DATE AS OF CHANGE:		20140221

EFFECTIVENESS DATE:		20140221


FILER:


	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:		485BPOS

		SEC ACT:		1933 Act

		SEC FILE NUMBER:	033-08214

		FILM NUMBER:		14634027



	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




FILER:


	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:		485BPOS

		SEC ACT:		1940 Act

		SEC FILE NUMBER:	811-04813

		FILM NUMBER:		14634028



	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



<SERIES-AND-CLASSES-CONTRACTS-DATA>

<EXISTING-SERIES-AND-CLASSES-CONTRACTS>

<SERIES>

<OWNER-CIK>0000799295

<SERIES-ID>S000011502

<SERIES-NAME>Dreyfus/Standish Global Fixed Income Fund

<CLASS-CONTRACT>

<CLASS-CONTRACT-ID>C000031763

<CLASS-CONTRACT-NAME>Dreyfus/Standish Global Fixed Income Fund - Class I

<CLASS-CONTRACT-TICKER-SYMBOL>SDGIX

</CLASS-CONTRACT>

<CLASS-CONTRACT>

<CLASS-CONTRACT-ID>C000081694

<CLASS-CONTRACT-NAME>Class A

<CLASS-CONTRACT-TICKER-SYMBOL>DHGAX

</CLASS-CONTRACT>

<CLASS-CONTRACT>

<CLASS-CONTRACT-ID>C000081695

<CLASS-CONTRACT-NAME>Class C

<CLASS-CONTRACT-TICKER-SYMBOL>DHGCX

</CLASS-CONTRACT>

<CLASS-CONTRACT>

<CLASS-CONTRACT-ID>C000130461

<CLASS-CONTRACT-NAME>Class Y

<CLASS-CONTRACT-TICKER-SYMBOL>DSDYX

</CLASS-CONTRACT>

</SERIES>

<SERIES>

<OWNER-CIK>0000799295

<SERIES-ID>S000011667

<SERIES-NAME>Dreyfus Tax Sensitive Total Return Bond Fund

<CLASS-CONTRACT>

<CLASS-CONTRACT-ID>C000032018

<CLASS-CONTRACT-NAME>Class I

<CLASS-CONTRACT-TICKER-SYMBOL>SDITX

</CLASS-CONTRACT>

<CLASS-CONTRACT>

<CLASS-CONTRACT-ID>C000075531

<CLASS-CONTRACT-NAME>Class A

<CLASS-CONTRACT-TICKER-SYMBOL>DSDAX

</CLASS-CONTRACT>

<CLASS-CONTRACT>

<CLASS-CONTRACT-ID>C000075532

<CLASS-CONTRACT-NAME>Class C

<CLASS-CONTRACT-TICKER-SYMBOL>DSDCX

</CLASS-CONTRACT>

<CLASS-CONTRACT>

<CLASS-CONTRACT-ID>C000130464

<CLASS-CONTRACT-NAME>Class Y

<CLASS-CONTRACT-TICKER-SYMBOL>SDYTX

</CLASS-CONTRACT>

</SERIES>

</EXISTING-SERIES-AND-CLASSES-CONTRACTS>

</SERIES-AND-CLASSES-CONTRACTS-DATA>

</SEC-HEADER>

<DOCUMENT>
<TYPE>485BPOS
<SEQUENCE>1
<FILENAME>dreyfusinv-485bpos_021814.htm
<DESCRIPTION>REGISTRATION STATEMENT
<TEXT>
Document 1 - file: dreyfusinv-485bpos_021814.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(A)(6)
<SEQUENCE>2
<FILENAME>dreyfusinv-ex99a6_021814.htm
<DESCRIPTION>CERTIFICATE OF AMENDMENT
<TEXT>
Document 2 - file: dreyfusinv-ex99a6_021814.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(D)(16)
<SEQUENCE>3
<FILENAME>dreyfusinv-ex99d16_021814.htm
<DESCRIPTION>SUB-INVESTMENT ADVISORY AGREEMENT
<TEXT>
Document 3 - file: dreyfusinv-ex99d16_021814.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(I)(8)
<SEQUENCE>4
<FILENAME>dreyfusinv-ex99i8_021814.htm
<DESCRIPTION>OPINION AND CONSENT OF REGISTRANT'S COUNSEL
<TEXT>
Document 4 - file: dreyfusinv-ex99i8_021814.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(J)
<SEQUENCE>5
<FILENAME>dreyfusinv-ex99j_021814.htm
<DESCRIPTION>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
<TEXT>
Document 5 - file: dreyfusinv-ex99j_021814.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>kl-gates.jpg
<TEXT>
Document 6 - file: kl-gates.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>COVER
<SEQUENCE>7
<FILENAME>filename7.htm
<TEXT>
Document 7 - file: filename7.htm

</DOCUMENT>
</SEC-DOCUMENT>