| Louppy-le-Château | |
| Commune Status: | Commune |
| Image Coat Of Arms: | File:Blason ville fr Louppy-le-Château (Meuse).svg |
| Arrondissement: | Bar-le-Duc |
| Canton: | Revigny-sur-Ornain |
| Insee: | 55304 |
| Postal Code: | 55800 |
| Mayor: | Pierre-Louis Molitor[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC de l'Aire à l'Argonne |
| Coordinates: | 48.8678°N 5.0769°W |
| Elevation M: | 196 |
| Elevation Min M: | 163 |
| Elevation Max M: | 232 |
| Area Km2: | 18.76 |
Louppy-le-Château (in French pronounced as /lupi lə ʃato/) is a commune in the Meuse department in Grand Est in north-eastern France.The coat of arms includes the dinosaur Erectopus, which was discovered nearby during the 1870s.
The village lies in the middle of the commune, on the left bank of The Chée, which flows northwestward through the middle of the commune.