| Tonnay-Boutonne | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Jean-d'Angély |
| Canton: | Saint-Jean-d'Angély |
| Insee: | 17448 |
| Postal Code: | 17380 |
| Mayor: | Julien Gourraud[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.9686°N -0.7056°W |
| Elevation M: | 14 |
| Elevation Min M: | 2 |
| Elevation Max M: | 46 |
| Area Km2: | 22.73 |
Tonnay-Boutonne (in French pronounced as /tɔnɛ butɔn/) is a commune in the Charente-Maritime department in the Nouvelle-Aquitaine region in southwestern France.
The village lies on the right bank of the Boutonne, which flows southwest through the southern part of the commune.