Gatineau (2001 census population 226,296) is a city in western Quebec, Canada. It is situated on the northern bank of the Ottawa River, immediately across from Ottawa, Ontario, and is located within Canada's National Capital Region. Ottawa and Gatineau comprise a single Census Metropolitan Area.

Gatineau is a federal electoral district in Quebec, Canada, represented in the Canadian House of Commons from 1949 to 1988 and since 1997. Its population in 2001 was 102,898.