| Sonnac | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Jean-d'Angély |
| Canton: | Matha |
| Insee: | 17428 |
| Postal Code: | 17160 |
| Mayor: | Laurent Bouillé[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.8403°N -0.2708°W |
| Elevation M: | 38 |
| Elevation Min M: | 18 |
| Elevation Max M: | 63 |
| Area Km2: | 17.12 |
Sonnac (in French pronounced as /sɔnak/) is a commune in the Charente-Maritime department in southwestern France.