Chapleau is a township in Sudbury District, Ontario, Canada. It is home to one of the world's largest wildlife preserves.
The major industries within town are the logging mill, Tembec, and the Canadian Pacific Railway railyards.
Chapleau Crown Game Preserve to the north of the town is, at over 7,000 square kilometres, the largest animal preserve in the world. Protected wildlife include moose, black bears, pygmy shrews, bald eagles and loons. The preserve is a source of tourism, drawing nature-enthusiasts and fishermen to the township.