Chapleau is a provincial electoral district in the Outaouais region of Quebec, Canada that elects members to the National Assembly of Quebec. It is located within the city of Gatineau. It was created for the 1981 election from a part of Papineau electoral district. In the change from the 2001 to the 2011 electoral map, its territory shifted slightly to the west. It gained territory west of Autoroute 50 from Gatineau electoral district, but lost some of its easternmost territory to Papineau electoral district.