| Allenc | |
| Commune Status: | Commune |
| Arrondissement: | Mende |
| Canton: | Grandrieu |
| Insee: | 48003 |
| Postal Code: | 48190 |
| Mayor: | Jean André[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Mont Lozère |
| Coordinates: | 44.5417°N 3.6619°W |
| Elevation M: | 1025 |
| Elevation Min M: | 926 |
| Elevation Max M: | 1326 |
| Area Km2: | 38.58 |
Allenc is a commune in the Lozère department in southern France. The triple divide between the Gironde, Loire, and Rhône basins lies within the commune.