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.

Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:[4]