| Le Lac-d'Issarlès | |
| Commune Status: | Commune |
| Arrondissement: | Largentière |
| Canton: | Haute-Ardèche |
| Insee: | 07119 |
| Postal Code: | 07470 |
| Mayor: | Laurence Prevost[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.8219°N 4.0611°W |
| Elevation M: | 997 |
| Elevation Min M: | 874 |
| Elevation Max M: | 1322 |
| Area Km2: | 14.35 |
Le Lac-d'Issarlès (in French pronounced as /lə lak disaʁlɛs/; Occitan (post 1500);: Lo Lac d'Issarlés) is a commune in the Ardèche department in southern France.