<SEC-DOCUMENT>0000728889-16-004172-index.html : 20161116
<SEC-HEADER>0000728889-16-004172.hdr.sgml : 20161116
<ACCEPTANCE-DATETIME>20161116161043
ACCESSION NUMBER:		0000728889-16-004172
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20161116
DATE AS OF CHANGE:		20161116
EFFECTIVENESS DATE:		20161116

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OPPENHEIMER DEVELOPING MARKETS FUND
		CENTRAL INDEX KEY:			0001015986
		IRS NUMBER:				936305075
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0831

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-05579
		FILM NUMBER:		162002541

	BUSINESS ADDRESS:	
		STREET 1:		6803 SOUTH TUCSON WAY
		STREET 2:		N/A
		CITY:			CENTENNIAL
		STATE:			CO
		ZIP:			80112-3924
		BUSINESS PHONE:		303-768-3200

	MAIL ADDRESS:	
		STREET 1:		6803 SOUTH TUCSON WAY
		STREET 2:		N/A
		CITY:			CENTENNIAL
		STATE:			CO
		ZIP:			80112-3924
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<OWNER-CIK>0001015986
<SERIES-ID>S000006967
<SERIES-NAME>OPPENHEIMER DEVELOPING MARKETS FUND
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000019011
<CLASS-CONTRACT-NAME>A
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000019012
<CLASS-CONTRACT-NAME>B
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000019013
<CLASS-CONTRACT-NAME>C
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000019014
<CLASS-CONTRACT-NAME>R
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000019015
<CLASS-CONTRACT-NAME>Y
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000109466
<CLASS-CONTRACT-NAME>I
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>develpmkts497.htm
<TEXT>
Document 1 - file: develpmkts497.htm

</DOCUMENT>
</SEC-DOCUMENT>