| Olmet-et-Villecun | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Olmet-et-Villecun (Hérault).svg |
| Arrondissement: | Lodève |
| Canton: | Lodève |
| Insee: | 34188 |
| Postal Code: | 34700 |
| Mayor: | Christophe Romo[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Lodévois - Larzac |
| Coordinates: | 43.7081°N 3.2894°W |
| Elevation M: | 300 |
| Elevation Min M: | 120 |
| Elevation Max M: | 600 |
| Area Km2: | 9.55 |
Olmet-et-Villecun (in French pronounced as /ɔlmɛ e vilkœ̃/; Occitan (post 1500);: Alaumet e Vilacun) is a commune in the Hérault department in the Occitanie region in southern France.