Canton of Loudéac
The canton of Loudéac is an administrative division of the Côtes-d'Armor department, northwestern France. Its borders were modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Loudéac.

It consists of the following communes:
 
Le Cambout
La Chèze
Coëtlogon
Loudéac
Plémet
Plumieux
La Prénessaye
Saint-Barnabé
Saint-Étienne-du-Gué-de-l'Isle
Saint-Maudan