| Puy-du-Lac | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Jean-d'Angély |
| Canton: | Saint-Jean-d'Angély |
| Insee: | 17292 |
| Postal Code: | 17380 |
| Mayor: | Valérie Floch-Ruju[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.9519°N -0.7525°W |
| Elevation M: | 11 |
| Elevation Min M: | 1 |
| Elevation Max M: | 28 |
| Area Km2: | 14.6 |
Puy-du-Lac (in French pronounced as /pɥi dy lak/) is a commune in the Charente-Maritime department in the Nouvelle-Aquitaine region in southwestern France.
The river Boutonne forms the commune's southeastern and southern borders.