| Mézilhac | |
| Commune Status: | Commune |
| Arrondissement: | Largentière |
| Canton: | Aubenas-1 |
| Insee: | 07158 |
| Postal Code: | 07530 |
| Mayor: | Baptiste Teyssier[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.8086°N 4.3525°W |
| Elevation M: | 1140 |
| Elevation Min M: | 717 |
| Elevation Max M: | 1445 |
| Area Km2: | 26.66 |
Mézilhac (pronounced as /fr/; oc|Mesilhac) is a commune in the Ardèche department in the Auvergne-Rhône-Alpes region in southern France.