| Nantheuil | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Nantheuil 24.svg |
| Arrondissement: | Nontron |
| Canton: | Thiviers |
| Insee: | 24304 |
| Postal Code: | 24800 |
| Mayor: | Bernadette Lagarde[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.4147°N 0.9453°W |
| Elevation M: | 212 |
| Elevation Min M: | 138 |
| Elevation Max M: | 312 |
| Area Km2: | 16.82 |
Nantheuil (in French pronounced as /nɑ̃tœj/; Occitan (post 1500);: Nantuelh) is a commune in the Dordogne department in Nouvelle-Aquitaine in southwestern France.