| Saint-Usage | |
| Commune Status: | Commune |
| Arrondissement: | Troyes |
| Canton: | Bar-sur-Seine |
| Insee: | 10364 |
| Postal Code: | 10360 |
| Mayor: | Nathalie Joly[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.1008°N 4.6106°W |
| Elevation M: | 310 |
| Area Km2: | 16.3 |
Saint-Usage (pronounced as /fr/) is a commune in the Aube department in north-central France.