As filed with the Securities and Exchange
Commission on October 26, 2012

1933 Act File No. 333-126293
1940 Act File No. 811-21779

U.S. SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 þ
PRE-EFFECTIVE AMENDMENT NO. o
POST-EFFECTIVE AMENDMENT NO. 80

and/or

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940 þ
AMENDMENT NO. 82
(CHECK APPROPRIATE BOX OR BOXES)

JOHN HANCOCK FUNDS II

(EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)

601 CONGRESS STREET
BOSTON, MASSACHUSETTS 02210-2805
(ADDRESS OF PRINCIPAL EXECUTIVE OFFICES) (ZIP CODE)

REGISTRANT’S TELEPHONE NUMBER, INCLUDING AREA CODE
(617) 663-2999

THOMAS M. KINZLER, ESQ.
601 CONGRESS STREET
BOSTON, MASSACHUSETTS 02210-2805
(NAME AND ADDRESS OF AGENT FOR SERVICE)

COPIES OF COMMUNICATIONS TO:

MARK P. GOSHKO, ESQ.
K&L GATES LLP
ONE LINCOLN STREET
BOSTON, MASSACHUSETTS 02111-2950

APPROXIMATE DATE OF PROPOSED PUBLIC OFFERING: As soon as practicable after the
effective date of this Registration Statement.

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

þ immediately upon filing pursuant to paragraph (b) of Rule 485

o on                      pursuant to paragraph (b) of Rule 485

o 60 days after filing pursuant to paragraph (a)(1) of Rule 485

o on (date) pursuant to paragraph (a)(1) of Rule 485

o 75 days after filing pursuant to paragraph (a)(2) of Rule 485

o on (date) 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.

TABLE OF CONTENTS

EX-101 INSTANCE DOCUMENT

EX-101 SCHEMA DOCUMENT

EX-101 CALCULATION LINKBASE DOCUMENT

EX-101 LABELS LINKBASE DOCUMENT

EX-101 PRESENTATION LINKBASE DOCUMENT

EX-101 DEFINITION LINKBASE DOCUMENT

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 of the requirements for effectiveness of this 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 the Commonwealth of Massachusetts, on the 26^th day of October 2012.

John Hancock Funds II
By:	/s/ Hugh McHaffie
Name:	Hugh McHaffie
Title:	President

As required by the Securities Act of 1933, this registration statement has been signed by the following persons in the capacities and on the dates indicated:

Signature	Title	Date
/s/ Hugh McHaffie Hugh McHaffie	President (Chief Executive Officer)	October 26, 2012
/s/ Charles A. Rizzo Charles A. Rizzo	Chief Financial Officer  (Principal Financial Officer and Principal Accounting Officer)	October 26, 2012
/s/ Charles L. Bardelis * Charles L. Bardelis	Trustee	October 26, 2012
/s/ James R. Boyle * James R. Boyle	Trustee	October 26, 2012
/s/ Peter S. Burgess * Peter S. Burgess	Trustee	October 26, 2012
/s/ Grace K. Fey * Grace K. Fey	Trustee	October 26, 2012
/s/ Theron S. Hoffman * Theron S. Hoffman	Trustee	October 26, 2012
/s/ Hassell H. McClellan * Hassell H. McClellan	Trustee	October 26, 2012
/s/ James M. Oates * James M. Oates	Trustee	October 26, 2012

*By:	/s/ Andrew Wilkins Andrew Wilkins
	Attorney-In-Fact, under
	Power of Attorney previously filed with Post-Effective Amendment No. 77 to the Trust’s
	Registration Statement on August 3, 2012.

Exhibit Index

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 Document
EX-101.LAB	XBRL Taxonomy Extension Labels Linkbase Document
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document