| Saint-Léger-sous-la-Bussière | |
| Commune Status: | Commune |
| Insee: | 71441 |
| Postal Code: | 71520 |
| Arrondissement: | Mâcon |
| Canton: | La Chapelle-de-Guinchay |
| Coordinates: | 46.3114°N 4.555°W |
| Elevation M: | 312 |
| Elevation Min M: | 290 |
| Elevation Max M: | 555 |
| Area Km2: | 8.64 |
Saint-Léger-sous-la-Bussière is a commune in the Saône-et-Loire department in the region of Bourgogne-Franche-Comté in eastern France.
The Grosne flows northwest through the middle of the commune.