| Longeville-en-Barrois | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Longeville-en-Barrois (Meuse).svg |
| Arrondissement: | Bar-le-Duc |
| Canton: | Bar-le-Duc-1 |
| Insee: | 55302 |
| Postal Code: | 55000 |
| Mayor: | Lionel Beaufort[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Bar-le-Duc - Sud Meuse |
| Coordinates: | 48.7433°N 5.2111°W |
| Elevation M: | 204 |
| Elevation Min M: | 187 |
| Elevation Max M: | 337 |
| Area Km2: | 15.44 |
Longeville-en-Barrois (in French pronounced as /lɔ̃ʒvil ɑ̃ baʁwa/, literally Longeville in Barrois) is a commune in the Meuse department in Grand Est in north-eastern France.