| Bignicourt-sur-Saulx | |
| Commune Status: | Commune |
| Arrondissement: | Vitry-le-François |
| Canton: | Sermaize-les-Bains |
| Insee: | 51060 |
| Postal Code: | 51340 |
| Mayor: | André Desanlis[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.7664°N 4.7753°W |
| Elevation M: | 108 |
| Area Km2: | 11.01 |
Bignicourt-sur-Saulx (in French pronounced as /biɲikuʁ syʁ so/, literally Bignicourt on Saulx) is a commune of the Marne department in northeastern France.