The Mississauga Power were a Canadian professional basketball team based in Mississauga, Ontario, that competed in the National Basketball League of Canada (NBL). Established in 2011 as the Oshawa Power, they played in the Central Division. The Oshawa team began play in the inaugural NBL Canada season, along with the London Lightning, Moncton Miracles, and Summerside Storm and three Premier Basketball League (PBL) teams.

Mississauga, historically known as Toronto Township, is a Canadian city in the province of Ontario, situated on the western shore of Lake Ontario in the Regional Municipality of Peel, adjoining the western border of Toronto. With a population of 717,961 as of 2021, Mississauga is the seventh-most populous municipality in Canada, third-most in Ontario, and second-most in the Greater Toronto Area (GTA) after Toronto itself. However, for the first time in its history, the city's population declined according to the 2021 census, from a 2016 population of 721,599 to 717,961, a 0.5 per cent decrease.