Saint-Goazec (; ) in commune in the Finistère department of Brittany in northwestern France.
Inhabitants of Saint-Goazec are called in French Saint-Goaziens. The commune's population peaks in 1906.
Saint-Goazec lies on the northern slope of the Montagnes Noires (french, Black Mountains). The canal de Nantes ÃÂ Brest, which is the canalized river Aulne, forms the commune's northern border.