| Denno | |
| Official Name: | Comune di Denno |
| Coordinates: | 46.2833°N 14°W |
| Province: | Trentino (TN) |
| Area Total Km2: | 10 |
| Population Total: | 1103 |
| Saint: | Saints Gervasius and Protasius |
| Day: | 19 June |
| Postal Code: | 38010 |
| Area Code: | 0461 |
Denno (Dén in local dialect) is a comune in Trentino, northern Italy.