| Nailhac | |
| Commune Status: | Commune |
| Arrondissement: | Sarlat-la-Canéda |
| Canton: | Haut-Périgord Noir |
| Insee: | 24302 |
| Postal Code: | 24390 |
| Mayor: | Francis Aumettre[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Terrassonnais en Périgord Noir Thenon Hautefort |
| Coordinates: | 45.2278°N 1.1533°W |
| Elevation M: | 225 |
| Elevation Min M: | 161 |
| Elevation Max M: | 357 |
| Area Km2: | 19.35 |
Nailhac (pronounced as /fr/; oc|Nalhac) is a commune in the Dordogne department in Nouvelle-Aquitaine in southwestern France.