| Saint-Martin-de-Lenne | |
| Commune Status: | Commune |
| Arrondissement: | Rodez |
| Canton: | Tarn et Causses |
| Insee: | 12239 |
| Postal Code: | 12130 |
| Mayor: | Sébastien Cros[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.4322°N 2.9656°W |
| Elevation M: | 630 |
| Elevation Min M: | 480 |
| Elevation Max M: | 840 |
| Area Km2: | 9.48 |
Saint-Martin-de-Lenne (in French pronounced as /sɛ̃ maʁtɛ̃ də lɛn/; Languedocien: Sent Martin) is a commune in the Aveyron department in southern France.