| Brabant-le-Roi | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Brabant-le-Roi 55.svg |
| Arrondissement: | Bar-le-Duc |
| Canton: | Revigny-sur-Ornain |
| Insee: | 55069 |
| Postal Code: | 55800 |
| Mayor: | Gerard Raffner[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays de Revigny sur Ornain |
| Coordinates: | 48.8464°N 4.9839°W |
| Elevation M: | 145 |
| Elevation Min M: | 137 |
| Elevation Max M: | 187 |
| Area Km2: | 11.08 |
Brabant-le-Roi (pronounced as /fr/) is a commune in the Meuse department in Grand Est in northeastern France. The priest and Encyclopédiste Charles Millot died in Brabant-le-Roi 9 June 1769.
The village lies in the southern part of the commune on the right bank of the Nausonce, a tributary of the Chée, which forms part of the commune's western border.