Plouaret (; ) is a commune in the Côtes-d'Armor department of Brittany in northwestern France. Plouaret-Trégor station has rail connections to Brest, Rennes, Lannion, Guingamp and Paris.
Inhabitants of Plouaret are called plouarétais in French.
The municipality launched a linguistic plan through Ya d'ar brezhoneg on 12 April 2007.