| Chantillac | |
| Commune Status: | Commune |
| Arrondissement: | Cognac |
| Canton: | Charente-Sud |
| Insee: | 16079 |
| Postal Code: | 16360 |
| Mayor: | Jean-Marie Veyssière[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | 4B Sud-Charente |
| Coordinates: | 45.3233°N -0.2544°W |
| Elevation M: | 145 |
| Elevation Min M: | 65 |
| Elevation Max M: | 151 |
| Area Km2: | 18.05 |
Chantillac (in French pronounced as /ʃɑ̃tijak/) is a commune in the Charente department of southwestern France.