John Hancock Variable Insurance Trust
Supplement dated August 1, 2012
to the Prospectus dated April 30, 2012

American New World Trust

Robert W. Lovelace no longer serves as a portfolio manager to the American New World Trust. Carl M. Kawaja and Robert H. Neithart will continue to serve as portfolio managers to the fund.

In addition, Nicholas J. Grace, Senior Vice President — Capital World Investors, has been added as portfolio manager to the fund. Mr. Grace has been an investment professional with Capital Research and Management Company or one of its affiliates for over 19 years.

John Hancock Variable Insurance Trust
Supplement dated August 1, 2012
to the SAI dated April 30, 2012

Under the section, “APPENDIX I — DISCLOSURE REGARDING PORTFOLIO MANAGERS OF THE MASTER FUNDS OF THE JHVIT FEEDER FUNDS — American New World Trust” is amended and restated as follows:

American New World Trust

	Other Registered
	Investment				Other Pooled
	Companies1				Investment Vehicles2				Other Accounts3
	Number		Assets		Number				Number		Assets
	of		(in		of		Assets		of		(in
Portfolio Manager	Accounts		billions)		Accounts		(in billions)		Accounts		billions)
Carol M. Kawaja		4	$	235.0		1	$	1.09		0	$	0
Nicholas J. Grace		3	$	118.5		0		0		0	$	0
Robert H. Neithart		5	$	65.8		6	$	3.34		0	$	0