| Diénay | |
| Commune Status: | Commune |
| Arrondissement: | Dijon |
| Canton: | Is-sur-Tille |
| Insee: | 21230 |
| Postal Code: | 21120 |
| Mayor: | André Liotard[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 47.5214°N 5.0669°W |
| Elevation M: | 287 |
| Elevation Min M: | 282 |
| Elevation Max M: | 428 |
| Area Km2: | 15.39 |
Diénay is a commune in the Côte-d'Or department in eastern France.