| Saint-Vrain | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Vrain (Marne).svg |
| Arrondissement: | Vitry-le-François |
| Canton: | Sermaize-les-Bains |
| Insee: | 51521 |
| Postal Code: | 51340 |
| Mayor: | Franck Turcato[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Grand Saint-Dizier, Der et Vallées |
| Coordinates: | 48.6956°N 4.8044°W |
| Elevation M: | 140 |
| Area Km2: | 11.57 |
Saint-Vrain (pronounced as /fr/) is a commune in the Marne department in north-eastern France.[2]