Rivière-du-Loup (2011 population 19,447) is a small city on the south shore of the Saint Lawrence River in Quebec. The city is the seat for the Rivière-du-Loup Regional County Municipality and the judicial district of Kamouraska.
The city was named after the nearby river, whose name means Wolf's River in French. This name may have come from a native tribe known as "Les Loups" or from the many seals, known in French as loup-marin (sea wolves), once found at the river's mouth. Rivière-du-Loup was originally established in 1673 as the seigneurie of Sieur Charles-Aubert de la Chesnaye. The community was incorporated as the village of Fraserville, in honour of early English settler Alexandre Fraser, in 1850, and became a city in 1910. The city reverted to its original name, Rivière-du-Loup, in 1919.