Tonquédec (French pronunciation: [tɔ̃kedɛk]; Breton: Tonkedeg) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.

Inhabitants of Tonquédec are called tonquédois in French.

Most of the inhabitants speaking Breton, the municipality launched a Breton linguistic plan through Ya d'ar brezhoneg on 23 May 2006.

Corofin, County Clare (Ireland)

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