| Castanet-le-Haut | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Castanet-le-Haut (Hérault).svg |
| Arrondissement: | Béziers |
| Canton: | Saint-Pons-de-Thomières |
| Insee: | 34055 |
| Postal Code: | 34610 |
| Mayor: | Max Allies[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.6686°N 2.9725°W |
| Elevation M: | 450 |
| Elevation Min M: | 389 |
| Elevation Max M: | 1124 |
| Area Km2: | 27.55 |
Castanet-le-Haut (in French pronounced as /kastanɛ lə o/; Occitan (post 1500);: Castanet lo Naut) is a commune in the Hérault department in southern France.
The commune is traversed by the rivers Dourdou de Camarès and Mare.
The residents are called Castanetais in French.