Le Faou () is a commune in the Finistère department of Brittany in north-western France.
Inhabitants of Le Faou are called in French Faouistes.
The commune contains the village of Rumengol, location of a major religious Pardon on 15 August every year.
In 2008, 12% of primary-school children attended bilingual schools, where Breton language is taught alongside French.