Registration No. 33-02769

File No. 811-4563

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933	x
Pre-Effective Amendment No. _____	o
Post-Effective Amendment No. 50	x
and/or
REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940	x
Amendment No. 49	x

OPPENHEIMER LIMITED-TERM GOVERNMENT 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.

Two World Financial Center, 225 Liberty Street, 11^th Floor,

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)

o On _______________ pursuant to paragraph (b)

o 60 days after filing pursuant to paragraph (a)(1)

o On _______________ pursuant to paragraph (a)(1)

o 75 days after filing pursuant to paragraph (a)(2)

o On _______________ pursuant to paragraph (a)(2) of Rule 485

If appropriate, check the following box:

o 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 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 10^th day of January,  2013.

Oppenheimer Limited-Term Government Fund
By:	William F. Glavin, Jr.*
	William F. Glavin, Jr., President , Principal Executive Officer and Trustee

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
Sam Freedman*	Chairman of the	January 10, 2013
Sam Freedman	Board of Trustees
William F. Glavin, Jr. *	President, Principal Executive	January 10, 2013
William F. Glavin, Jr.	Officer and Trustee
Brian W. Wixted*	Treasurer, Principal	January 10, 2013
Brian W. Wixted	Financial & Accounting Officer
Edward L. Cameron*	Trustee	January 10, 2013
Edward L. Cameron
Jon S. Fossel*	Trustee	January 10, 2013
Jon S. Fossel
Richard F. Grabish*	Trustee	January 10, 2013
Richard F. Grabish
Beverly L. Hamilton*	Trustee	January 10, 2013
Beverly L. Hamilton
Victoria J. Herget*	Trustee	January 10, 2013
Victoria J. Herget
Robert J. Malone*	Trustee	January 10, 2013
Robert J. Malone
F. William Marshall, Jr.*	Trustee	January 10, 2013
F. William Marshall, Jr.
Karen L. Stuckey*	Trustee	January 10, 2013
Karen L. Stuckey
James D. Vaughn*	Trustee	January 10, 2013
James D. Vaughn

*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