Saint-Jean River or Rivière-Saint-Jean may refer to:
Canada Rivière-Saint-Jean, Quebec, a municipality in the Côte-Nord region of Quebec Saint John River (Bay of Fundy) (French: Fleuve Saint-Jean), a river in Northern Maine, United States, and New Brunswick, Canada Saint-Jean River (Gaspé), a tributary of Gaspé Bay in the unorganized territory of Rivière-Saint-Jean, Gaspésie–Îles-de-la-Madeleine, Quebec Saint-Jean River (La Pocatière), a tributary of St Lawrence river in Quebec Saint-Jean River (Lavaltrie), a tributary of St Lawrence river in Quebec; see List of rivers of Quebec#North shore of St Lawrence river – between Repentigny and Trois-Rivières Saint-Jean River (Minganie), a tributary of the north shore of the Gulf of St. Lawrence in Quebec Saint-Jean River (Saguenay River tributary), a river in Saguenay-Lac-Saint-Jean, in Quebec
Elsewhere Grande Rivière Saint-Jean, a river of Réunion island in the Indian Ocean
See also Saint John River (disambiguation)