| Dienne | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Dienne (Cantal).svg |
| Arrondissement: | Saint-Flour |
| Canton: | Murat |
| Insee: | 15061 |
| Postal Code: | 15300 |
| Mayor: | Thierry Mathieu[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Hautes Terres |
| Coordinates: | 45.1594°N 2.7878°W |
| Elevation M: | 1050 |
| Elevation Min M: | 1015 |
| Elevation Max M: | 1561 |
| Area Km2: | 46.33 |
Dienne (in French pronounced as /djɛn/; Occitan (post 1500);: Dièna or Corsican: Diana) is a commune in the Cantal department, southcentral France.