| Massac | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Jean-d'Angély |
| Canton: | Matha |
| Insee: | 17223 |
| Postal Code: | 17490 |
| Mayor: | Michel Filleul[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.8672°N -0.2206°W |
| Elevation M: | 70 |
| Elevation Min M: | 56 |
| Elevation Max M: | 109 |
| Area Km2: | 9.15 |
Massac (in French pronounced as /masak/) is a commune in the Charente-Maritime department in southwestern France.