Tréguennec (French pronunciation: [tʁeɡɛnɛk]; Breton: Tregeneg) is a commune in the Finistère department of Brittany in north-western France.

Inhabitants of Tréguennec are called in French Tréguennecois.

The Chapelle de Saint-Vio is named after Saint Vouga.

This Finistère geographical article is a stub.

You can help Wikipedia by expanding it.