| Saint-Vallier-sur-Marne | |
| Commune Status: | Commune |
| Arrondissement: | Langres |
| Canton: | Chalindrey |
| Insee: | 52457 |
| Postal Code: | 52200 |
| Mayor: | Bruno Miquée[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 47.8369°N 5.3947°W |
| Elevation M: | 395 |
| Elevation Min M: | 343 |
| Elevation Max M: | 428 |
| Area Km2: | 6.64 |
Saint-Vallier-sur-Marne (in French pronounced as /sɛ̃ valje syʁ maʁn/, literally Saint-Vallier on Marne) is a commune in the Haute-Marne department in north-eastern France.[2]