| Martiel | |
| Commune Status: | Commune |
| Arrondissement: | Villefranche-de-Rouergue |
| Canton: | Villeneuvois et Villefranchois |
| Insee: | 12140 |
| Postal Code: | 12200 |
| Mayor: | Guy Marty[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.37°N 1.92°W |
| Elevation M: | 400 |
| Elevation Min M: | 254 |
| Elevation Max M: | 430 |
| Area Km2: | 46.9 |
Martiel (in French pronounced as /maʁsjɛl/; Occitan (post 1500);: Marcièl) is a commune in the Aveyron department in southern France.