Gouesnac'h (Breton: Gouenac'h) is a commune in the Finistère department and administrative region of Brittany in north-western France.

The small village of Gouesnac'h is located between the Quimper (mediaeval town)/Bénodet (seaside resort) road and the wonderful Odet River.

With breath-taking views of the entire area, the Boutiguéry Park is dedicated to rhododendrons (30,000 plants) and azaleas.

Inhabitants of Gouesnac'h are known in French as Gouesnachais.

This Finistère geographical article is a stub.