Manicouagan () is a regional county municipality in the Côte-Nord region of Quebec, Canada. It is located on the north shore of the St. Lawrence River with its seat in Baie-Comeau. It was created in 1981, and named after the Manicouagan River.
There are 9 subdivisions and one native reserve within the RCM:
Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border: