| Lamancine | |
| Commune Status: | Commune |
| Arrondissement: | Chaumont |
| Canton: | Bologne |
| Insee: | 52260 |
| Postal Code: | 52310 |
| Mayor: | Michèle Gianino Médard[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Chaumont |
| Coordinates: | 48.21°N 5.1167°W |
| Elevation M: | 260 |
| Area Km2: | 4.48 |
| Demonym: | Lamancinois, Lamancinoises |
Lamancine (in French pronounced as /lamɑ̃sin/) is a commune in the Haute-Marne department in north-eastern France.