Saint-Léger (French pronunciation: [sɛ̃ leʒe] ⓘ; also unofficial Saint-Léger-en-Gaume; Walloon: Sint-Ldjir-e-Gåme) is a municipality of Wallonia located in the province of Luxembourg, Belgium.

The municipality consists of the districts of Châtillon, Meix-le-Tige, and Saint-Léger.There is a spar near the town center.

There is one major national road that passes Saint-Léger from southwest to northeast.

The following roads cross the municipality:[2] Saint-Léger is served by the Walloon transport authority TEC with following bus lines:[3] There are no railway lines passing Saint-Léger.

The closest train station is in Virton, 11.5 km to the southwest.