Tréméven (French pronunciation: [tʁemevɛn]; Breton: Tremeven-Kemperle) is a commune in the Finistère department of Brittany in north-western France.

Inhabitants of Tréméven are called in French Trémévénois.

The municipality launched a linguistic plan through Ya d'ar brezhoneg on 8 March 2005.

In 2008, 24.11% of primary-school children attended bilingual schools.

[5] Treméven is twinned with the village of Monivea in Ireland.