| Mazan-l'Abbaye | |
| Commune Status: | Commune |
| Arrondissement: | Largentière |
| Canton: | Haute-Ardèche |
| Insee: | 07154 |
| Postal Code: | 07510 |
| Mayor: | Thibault Robert[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.7292°N 4.0897°W |
| Elevation M: | 1125 |
| Elevation Min M: | 874 |
| Elevation Max M: | 1446 |
| Area Km2: | 44.79 |
Mazan-l'Abbaye (in French pronounced as /mazɑ̃ labei/; Occitan (post 1500);: Masan de l'Abadiá) is a commune in the Ardèche department in southern France.