| Seigny | |
| Commune Status: | Commune |
| Arrondissement: | Montbard |
| Canton: | Montbard |
| Insee: | 21598 |
| Postal Code: | 21150 |
| Mayor: | Alain Bois[1] |
| Term: | 2024 - 2026 |
| Coordinates: | 47.5742°N 4.4347°W |
| Elevation M: | 235 |
| Elevation Min M: | 221 |
| Elevation Max M: | 395 |
| Area Km2: | 7.99 |
Seigny (in French pronounced as /sɛɲi/) is a commune in the Côte-d'Or department in eastern France.