| Poiseul | |
| Commune Status: | Commune |
| Arrondissement: | Langres |
| Canton: | Nogent |
| Insee: | 52397 |
| Postal Code: | 52360 |
| Mayor: | André Chevallier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Grand Langres |
| Coordinates: | 47.9219°N 5.4906°W |
| Elevation M: | 350 |
| Elevation Min M: | 358 |
| Elevation Max M: | 448 |
| Area Km2: | 4.58 |
Poiseul (in French pronounced as /pwazœl/) is a commune in the Haute-Marne department in north-eastern France.