Oshawa (disambiguation) Oshawa is a city in Ontario, Canada. Oshawa may also refer to: Oshawa, Cass County, Minnesota Oshawa, Nicollet County, Minnesota Oshawa Township, Nicollet County, Minnesota Oshawa (federal electoral district) Oshawa (provincial electoral district) Topics referred to by the same termThis disambiguation page lists articles about distinct geographical locations with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article.