Macdonald-Cartier may refer to: Macdonald-Cartier Freeway, in southern Ontario, also known as Highway 401 Macdonald-Cartier Bridge, a bridge between Ottawa, Ontario, and Gatineau, Quebec Ottawa Macdonald–Cartier International Airport, a major Canadian airport in Ottawa Macdonald-Cartier High School, a former Quebec high school in Saint-Hubert, Quebec, that merged with Richelieu Valley Regional High School École secondaire Macdonald-Cartier, a French public language high school in Sudbury