| Saint-Léger-de-Montbrillais | |
| Commune Status: | Commune |
| Arrondissement: | Châtellerault |
| Canton: | Loudun |
| Insee: | 86229 |
| Postal Code: | 86120 |
| Mayor: | Philippe Batty[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays Loudunais |
| Coordinates: | 47.0722°N -0.0428°W |
| Elevation M: | 97 |
| Elevation Min M: | 39 |
| Elevation Max M: | 115 |
| Area Km2: | 10.4 |
Saint-Léger-de-Montbrillais (in French pronounced as /sɛ̃ leʒe də mɔ̃bʁijɛ/) is a commune in the Vienne department in the Nouvelle-Aquitaine region in western France.