List of castles in Brittany

This list of castles in Brittany is a list of medieval castles or château forts in the region in western France.

Links in italics are links to articles in the French Wikipedia.

Côtes-d'Armor
Castles of which little or nothing remains include Château de Montafilan.

Finistère
Castles of which little or nothing remains include Château de Joyeuse Garde and Château de Rustéphan.