| Longeville-sur-la-Laines | |
| Arrondissement: | Saint-Dizier |
| Canton: | Wassy |
| Insee: | 52293 |
| Postal Code: | 52220 |
| Commune: | Rives Dervoises |
| Coordinates: | 48.4556°N 4.6864°W |
| Elevation Min M: | 118 |
| Elevation Max M: | 162 |
| Area Km2: | 15.6 |
| Population: | 409 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Longeville-sur-la-Laines is a former commune in the Haute-Marne department in north-eastern France. On 1 January 2016, it was merged into the new commune Rives Dervoises.[2] Its population was 409 in 2019.[1]