Les Etchemins is a regional county municipality in the Chaudière-Appalaches region of eastern Quebec, Canada. It is named for the Etchemin River which finds its source in the region, as well as Etchemin Lake. Lac-Etchemin is the seat of the RCM. Les Etchemins can be found on the Maine border, southeast of Quebec City.

There are 13 subdivisions within the RCM:

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

• List of regional county municipalities and equivalent territories in Quebec

• Les Etchemins Regional County Municipality