| Graissessac | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Graissessac (Hérault).svg |
| Arrondissement: | Béziers |
| Canton: | Clermont-l'Hérault |
| Insee: | 34117 |
| Postal Code: | 34260 |
| Mayor: | Mariette Combes[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.6817°N 3.0933°W |
| Elevation M: | 1000 |
| Elevation Min M: | 270 |
| Elevation Max M: | 1001 |
| Area Km2: | 10.03 |
Graissessac (pronounced as /fr/; oc|Graisseçac) is a commune in the southern French department of Hérault.