| Chalagnac | |
| Commune Status: | Commune |
| Arrondissement: | Périgueux |
| Canton: | Périgord Central |
| Insee: | 24094 |
| Postal Code: | 24380 |
| Mayor: | Dominique Chansard[1] |
| Term: | 2021 - 2026 |
| Intercommunality: | Le Grand Périgueux |
| Coordinates: | 45.0933°N 0.6781°W |
| Elevation M: | 218 |
| Elevation Min M: | 124 |
| Elevation Max M: | 238 |
| Area Km2: | 14.15 |
Chalagnac (in French pronounced as /ʃalaɲak/; Occitan (post 1500);: Chalanhac) is a commune in the Dordogne department in Nouvelle-Aquitaine in southwestern France.