| Saint-Martin-lès-Langres | |
| Commune Status: | Commune |
| Arrondissement: | Langres |
| Canton: | Langres |
| Insee: | 52452 |
| Postal Code: | 52200 |
| Mayor: | Mickaël Goirot[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 47.8897°N 5.2644°W |
| Elevation M: | 400 |
| Elevation Min M: | 328 |
| Elevation Max M: | 424 |
| Area Km2: | 3.64 |
Saint-Martin-lès-Langres (pronounced as /fr/, literally Saint-Martin near Langres, before 1962: Saint-Martin)[2] is a commune in the Haute-Marne department in north-eastern France.[3] The musicologist Jean Étienne Feytou (1742–1816) was born in Saint-Martin-lès-Langres.