| Saint-Coutant-le-Grand | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Coutant-le-Grand (Charente-Maritime).svg |
| Arrondissement: | Rochefort |
| Canton: | Tonnay-Charente |
| Insee: | 17320 |
| Postal Code: | 17430 |
| Mayor: | Patricia Tabuteau[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Rochefort Océan |
| Coordinates: | 45.9542°N -0.7675°W |
| Elevation M: | 18 |
| Elevation Min M: | 1 |
| Elevation Max M: | 45 |
| Area Km2: | 12.8 |
Saint-Coutant-le-Grand (in French pronounced as /sɛ̃ kutɑ̃ lə ɡʁɑ̃/) is a commune in the Charente-Maritime department in southwestern France.
The river Boutonne forms part of the commune's southern border.