Post-effective Amendment (investment Company, Rule 485(b)) (485bpos)

As filed with the Securities and Exchange Commission on September 19, 2013.

Registration Nos. 333-131683

811-21852

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form N-1A

REGISTRATION STATEMENT

UNDER


*THE SECURITIES ACT OF 1933*		¨
Pre-Effective Amendment No.		¨
Post-Effective Amendment No. 93 (File No. 333-131683)		x

and/or

REGISTRATION STATEMENT

UNDER

THE INVESTMENT COMPANY ACT OF 1940


Amendment No. 98 (File No. 811-21852)		x

Columbia Funds Series Trust II

50606 Ameriprise Financial Center

Minneapolis, MN 55474

Christopher O. Petersen

5228 Ameriprise Financial Center

Minneapolis, MN 55474

(612) 671-4321

Approximate Date of Proposed Public Offering:

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

x	immediately upon filing pursuant to paragraph (b)

¨	on (date) pursuant to paragraph (b)

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

¨	on (date) pursuant to paragraph (a)(1)

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

¨	on (date) 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 and the Investment Company Act, the Registrant, COLUMBIA FUNDS SERIES TRUST II, certifies that it meets all of the requirements for effectiveness of this Amendment to its Registration Statement under Rule 485(b) under the Securities Act and has duly caused this Amendment to its Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the City of Boston, and State of Massachusetts on the 19 ^th day of September, 2013.

COLUMBIA FUNDS SERIES TRUST II

/s/ J. Kevin Connaughton

J. Kevin Connaughton

President

Pursuant to the requirements of the Securities Act, this Amendment to the Registration Statement has been signed below by the following persons in the capacities indicated on the 19 ^th day of September, 2013.


Signature	Capacity	Signature	Capacity
/s/ J. Kevin Connaughton J. Kevin Connaughton	President (Principal Executive Officer)	/s/ William A. Hawkins* William A. Hawkins	Trustee

/s/ Michael G. Clarke Michael G. Clarke	Chief Financial Officer (Principal Financial Officer)	/s/ R. Glenn Hilliard* R. Glenn Hilliard	Trustee

/s/ Joseph F. DiMaria Joseph F. DiMaria	Chief Accounting Officer (Principal Accounting Officer)	/s/ Catherine James Paglia* Catherine James Paglia	Trustee

/s/ Stephen R. Lewis, Jr.* Stephen R. Lewis, Jr.	Chair of the Board	/s/ Leroy C. Richie* Leroy C. Richie	Trustee

/s/ Kathleen A. Blatz* Kathleen A. Blatz	Trustee	/s/ Anthony M. Santomero* Anthony M. Santomero	Trustee

/s/ Edward J. Boudreau, Jr.* Edward J. Boudreau, Jr.	Trustee	/s/ Minor M. Shaw* Minor M. Shaw	Trustee

/s/ Pamela G. Carlton* Pamela G. Carlton	Trustee	/s/ Alison Taunton-Rigby* Alison Taunton-Rigby	Trustee

/s/ William P. Carmichael* William P. Carmichael	Trustee	/s/ William F. Truscott* William F. Truscott	Trustee

/s/ Patricia M. Flynn* Patricia M. Flynn	Trustee

*	Signed pursuant to Trustees Power of Attorney, dated April 17, 2013, filed electronically on May 30, 2013 as Exhibit (q) to Registrant’s Post-Effective Amendment No. 87 to Registration Statement No. 333-131683, by:

/s/ Ryan C. Larrenaga

Ryan C. Larrenaga

Exhibit Index