Attachment

As filed with the Securities and Exchange Commission on January 17, 2012

File No. 33-12988

811-05088

SECURITIES AND EXCHANGE COMMISSION

Washington,D.C. 20549

FORM N-1A

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933	¨
Pre-EffectiveAmendment No.	¨
Post-EffectiveAmendment No. 81	x

and/or

REGISTRATION STATEMENT

UNDER

THE INVESTMENT COMPANY ACT OF 1940

AmendmentNo. 83 x

THE ALLIANCEBERNSTEIN PORTFOLIOS

(Exact Name of Registrant as Specified in Charter)

1345 Avenue

of the Americas,

New York, New York 10105

(Address of Principal Executive Office) (Zip Code)

(800) 221-5672

Registrant’s Telephone Number, including Area Code:

Copies of communications to:

EMILIE D. WRAPP	Kathleen K. Clarke
AllianceBernstein L.P.	Seward & Kissel LLP
1345 Avenue of the Americas	1200 G Street, NW
New York, New York 10105	Suite 350
(Name and address of agent for service)	Washington, DC 20005

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

¨ immediately upon filing pursuant to paragraph (b)

x on January 17, 2012 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.

This Post-Effective Amendment No. 81 relates solely to the Class A, Class B, Class C, Class R, Class K, Class I and Advisor Class shares, as applicable, of the AllianceBernstein Wealth Appreciation Strategy, AllianceBernstein Balanced Wealth Strategy, AllianceBernstein Conservative Wealth Strategy, AllianceBernstein Tax-Managed Wealth Appreciation Strategy, AllianceBernstein Tax-Managed Balanced Wealth Strategy, and AllianceBernstein Tax-Managed Conservative Wealth Strategy. No information in the Registrant’s Registration Statement relating to the Class A, Class B, Class C, Class R, Class K, Class I and Advisor Class shares, as applicable, of the AllianceBernstein Growth Fund is amended or superseded.

SIGNATURE

Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirements for effectiveness of this Amendment to its Registration Statement pursuant to Rule 485(b) under the Securities Act of 1933 and has duly caused this Amendment to its Registration Statement to be signed on its behalf by the undersigned, duly authorized, in the City and State of New York, on the 17^th day of January, 2012.

THE ALLIANCEBERNSTEIN PORTFOLIOS
By:	Robert M. Keith *
	Robert M. Keith President

Pursuant to the requirements of the Securities Act of l933, as amended, this Registration Statement has been signed below by the following persons in the capacities and on the dates indicated:

	Signature	Title	Date
(1)	Principal Executive Officer:
	Robert M. Keith *	President and Chief Executive Officer	January 17, 2012
	Robert M. Keith
(2)	Principal Financial and Accounting Officer:
	/s/    Joseph J. Mantineo	Treasurer and Chief Financial Officer	January 17, 2012
	Joseph J. Mantineo
(3)	All of the Directors:
	John H. Dobkin* Michael J. Downey* William H. Foulk, Jr.* D. James Guzy* Nancy P. Jacklin* Garry L. Moody* Robert M. Keith* Marshall C. Turner, Jr.* Earl D. Weiner*

*By:	/s/    Stephen J. Laffey	January 17, 2012
	Stephen J. Laffey
	(Attorney-in-fact)

Index to Exhibits

Exhibit No.	Description of Exhibits
EX-101.INS	XBRL Instance Document
EX-101.SCH	XBRL Taxonomy Extension Schema Document
EX-101.CALC	XBRL Taxonomy Extension Calculation Linkbase
EX-101.DEF	XBRL Taxonomy Extension Definition Linkbase
EX-101.LAB	XBRL Taxonomy Extension Labels Linkbase
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase