| Cosnac | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Cosnac (Corrèze).svg |
| Arrondissement: | Brive-la-Gaillarde |
| Canton: | Brive-la-Gaillarde-3 |
| Insee: | 19063 |
| Postal Code: | 19360 |
| Mayor: | Gérard Soler[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Bassin de Brive |
| Coordinates: | 45.1347°N 1.5864°W |
| Elevation M: | 214 |
| Elevation Min M: | 134 |
| Elevation Max M: | 381 |
| Area Km2: | 19.98 |
Cosnac (in French pronounced as /konak/) is a commune in the Corrèze department in central France.