Longue-Rive (French pronunciation: [lɔ̃ɡ ʁiv]) is a municipality located on the north shore of the maritime estuary of the St. Lawrence River, in Côte-Nord region, Quebec, Canada.

The municipality includes the communities of Sault-au-Mouton, Baie-des-Bacon, Pointe-à-Boisvert, Rivière-Éperlan and Saint-Paul-du-Nord.

[4] On January 1, 1947, the Village Municipality of Sault-au Mouton was created when it separated from Saint-Paul-du-Nord.

[8] The municipal council had 12 months to request for a name change, in consultation with its population.

The new name Longue-Rive was chosen out of a list of 10 options through a referendum on May 26, 1998, and approved by the government on September 22, 1998.