Saint-Louis River (New Brunswick)

Saint Louis River or Saint-Louis River may refer to:

Canada

* Saint-Louis River (Yamaska River tributary), a tributary of the Yamaska River in Quebec
* Saint-Louis River (Beauharnois), a tributary of the Saint Lawrence River in Quebec
* Saint-Louis River (Du Loup River tributary) (see List of rivers of Quebec#North shore of St Lawrence river – between Repentigny and Trois-Rivières)
* Saint-Louis River (Valin River tributary), a tributary of the Valin River in Quebec
* Rivière de Grand-Saint-Louis, a tributary of the Gentilly River South-West in Quebec

United States

* Saint Louis River (Lake Superior tributary)

Guadeloupe

* Rivière de Saint-Louis, a river on the island of Marie-Galante

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