| Saint-Martin | |
| Commune Status: | Commune |
| Arrondissement: | Mirande |
| Canton: | Mirande-Astarac |
| Insee: | 32389 |
| Postal Code: | 32300 |
| Mayor: | Daniel Pomies[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.5069°N 0.3761°W |
| Elevation Min M: | 159 |
| Elevation Max M: | 263 |
| Area Km2: | 9.07 |
Saint-Martin (in French pronounced as /sɛ̃ maʁtɛ̃/; Occitan (post 1500);: Sent Martin) is a commune in the Gers department in southwestern France.