Ploulec'h (Breton: Ploulec'h) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.

Inhabitants of Ploulec'h are called ploulec'hois or ploulec'hiens in French.

The municipality launched a linguistic plan through Ya d'ar brezhoneg on 19 October 2006.

Ploulec'h is twinned with:

This Côtes-d'Armor geographical article is a stub.