Rivière-du-Loup (French pronunciation: [ʁivjɛʁ dy lu]) is a regional county municipality in the Bas-Saint-Laurent region of Quebec, Canada.

Its most important city is Rivière-du-Loup, which contains more than half of the population.

There are 13 subdivisions and one native reserve within the RCM:[2]

Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:[5]

This Bas-Saint-Laurent location article is a stub.