| Vailhan | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Vailhan (Hérault).svg |
| Arrondissement: | Béziers |
| Canton: | Cazouls-lès-Béziers |
| Insee: | 34319 |
| Postal Code: | 34320 |
| Mayor: | Jean-Michel Ulmer[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Les Avant-Monts |
| Coordinates: | 43.5533°N 3.3033°W |
| Elevation M: | 180 |
| Elevation Min M: | 93 |
| Elevation Max M: | 460 |
| Area Km2: | 11.23 |
Vailhan (in French pronounced as /vajɑ̃/; Occitan (post 1500);: Valhan) is a commune in the Hérault department in the Occitanie region in southern France.