| Saint-Maixant | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Maixant (Gironde).svg |
| Arrondissement: | Langon |
| Canton: | L'Entre-Deux-Mers |
| Insee: | 33438 |
| Postal Code: | 33490 |
| Mayor: | Alain Bernardet[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.5797°N -0.2597°W |
| Elevation M: | 20 |
| Elevation Min M: | 0 |
| Elevation Max M: | 98 |
| Area Km2: | 7.68 |
Saint-Maixant (in French pronounced as /sɛ̃ mɛksɑ̃/; Occitan (post 1500);: Sent Maxenç) is a commune in the Gironde department in Nouvelle-Aquitaine in southwestern France.