| Saint-Lumier-en-Champagne | |
| Commune Status: | Commune |
| Arrondissement: | Vitry-le-François |
| Canton: | Sermaize-les-Bains |
| Insee: | 51496 |
| Postal Code: | 51300 |
| Mayor: | Benoît Prieur[1] |
| Term: | 2021 - 2026 |
| Coordinates: | 48.7958°N 4.6281°W |
| Elevation M: | 117 |
| Area Km2: | 8.56 |
Saint-Lumier-en-Champagne (pronounced as /fr/, literally Saint-Lumier in Champagne) is a commune in the Marne department in north-eastern France.[2]