| Grayssas | |
| Commune Status: | Commune |
| Arrondissement: | Agen |
| Canton: | Le Sud-Est agenais |
| Insee: | 47113 |
| Postal Code: | 47270 |
| Mayor: | Marie-Christine Cluchier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Deux Rives |
| Coordinates: | 44.1658°N 0.8753°W |
| Elevation M: | 160 |
| Elevation Min M: | 64 |
| Elevation Max M: | 195 |
| Area Km2: | 9.37 |
Grayssas is a commune in the Lot-et-Garonne department in south-western France.