| Diancey | |
| Commune Status: | Commune |
| Arrondissement: | Beaune |
| Canton: | Arnay-le-Duc |
| Insee: | 21229 |
| Postal Code: | 21430 |
| Mayor: | Jean-Marie Guyot[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 47.1825°N 4.3633°W |
| Elevation M: | 402 |
| Elevation Min M: | 340 |
| Elevation Max M: | 428 |
| Area Km2: | 9.96 |
Diancey (pronounced as /fr/) is a commune in the Côte-d'Or department in eastern France.