Saint-Germain-Laval (French pronunciation: [sɛ̃ ʒɛʁmɛ̃ laval] ⓘ; Arpitan: Sant-Gèrman-la-Vâr) is a commune in the Loire department in central France.

[3] The North American explorer Daniel Greysolon, Sieur du Lhut was born in Saint-Germain-Laval.

The commune is located in the plain of Forez, in the center of departement of Loire, in the center of France, 35 kilometers south of Roanne, 52 kilometers north-west of Saint-Etienne and 37 kilometers east of Thiers.

It is crossed by the Aix river, a tributary of the Loire which flows less than ten kilometers to the east.

The commune is 6 kilometers south of exit 5 of A89 autoroute linking Clermont-Ferrand (Auvergne, 85 km distant) to Saint-Étienne (62 km distant).