Registration No. 2-75276

File No. 811-3346

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC  20549

FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933	x
Pre-Effective Amendment No.	¨
Post-Effective Amendment No. 62	x
and/or
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940	x
Amendment No. 63	x

OPPENHEIMER SERIES FUND

 (Exact Name of Registrant as Specified in Charter)

6803 South Tucson Way, Centennial, Colorado 80112-3924

 (Address of Principal Executive Offices)                 (Zip Code)

(303) 768-3200

(Registrant’s Telephone Number, including Area Code)

Arthur S. Gabinet, Esq.

OFI Global Asset Management, Inc.

225 Liberty Street, New York, New York 10281-1008

(Name and Address of Agent for Service)

It is proposed that this filing will become effective (check appropriate box):

x Immediately upon filing pursuant to paragraph (b)

¨ On ____________, pursuant to paragraph (b)

¨ 60 days after filing, pursuant to paragraph (a)(1)

¨ On _____________, pursuant to paragraph (a)(1)

¨ 75 days after filing, pursuant to paragraph (a)(2)

¨ On ______________, pursuant to paragraph (a)(2) of Rule 485.

If appropriate, check the following box:

¨ This post-effective amendment designates a new effective date for a previously filed post-effective amendment.

 

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and the Investment Company Act of 1940, the Registrant certifies that it meets all the requirements for effectiveness of this Registration Statement pursuant to Rule 485(b) under the Securities Act of 1933 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of New York and State of New York on the 12^th day of March, 2015.

OPPENHEIMER SERIES FUND
By:	Arthur P. Steinmetz *
	Arthur P. Steinmetz President and
	Principal Executive Officer

Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed below by the following persons in the capacities on the dates indicated:

Signatures	Title	Date
Brian F. Wruble*	Chairman of the	March 12, 2015
Brian F. Wruble	Board of Trustees
Arthur P. Steinmetz*	President and Principal	March 12, 2015
Arthur P. Steinmetz	Executive Officer
Brian W. Wixted*	Treasurer, Principal	March 12, 2015
Brian W. Wixted	Financial & Accounting Officer
David K. Downes*	Trustee	March 12, 2015
David K. Downes
Matthew P. Fink*	Trustee	March 12, 2015
Matthew P. Fink
Edmund P. Giambastiani, Jr.*	Trustee	March 12, 2015
Edmund P. Giambastiani, Jr.
William F. Glavin, Jr.*	Trustee	March 12, 2015
William F. Glavin, Jr.
Elizabeth Krentzman*	Trustee	March 12, 2015
Elizabeth Krentzman
Mary F. Miller*	Trustee	March 12, 2015
Mary F. Miller
Joel W. Motley*	Trustee	March 12, 2015
Joel W. Motley
Joanne Pace*	Trustee	March 12, 2015
Joanne Pace
Daniel Vandivort*	Trustee	March 12, 2015
Daniel Vandivort
Peter I. Wold*	Trustee	March 12, 2015
Peter I. Wold

*By:	/s/ Mitchell J. Lindauer
	Mitchell J. Lindauer, Attorney-in-Fact

 

EXHIBIT INDEX

Exhibit No.	Description
Ex-101.INS	XBRL Instance Document
Ex-101.SCH	XBRL Taxonomy Extension Schema Document
Ex-101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
Ex-101.DEF	XBRL Taxonomy Extension Definition Linkbase
Ex-101.LAB	XBRL Taxonomy Extension Labels Linkbase
Ex-101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document