| Tenno | |
| Official Name: | Comune di Tenno |
| Coordinates: | 45.9167°N 60°W |
| Region: | Trentino-Alto Adige/Südtirol |
| Province: | Trentino (TN) |
| Frazioni: | Gavazzo, Cologna, Ville del Monte, Pranzo |
| Mayor: | Gianluca Frizzi |
| Area Total Km2: | 28.3 |
| Population Footnotes: | [1] |
| Population Total: | 2045 |
| Population As Of: | 30 September 2016 |
| Population Demonym: | Tennesi |
| Elevation M: | 428 |
| Postal Code: | 38060 |
| Area Code: | 0464 |
Tenno (Tén in local dialect) is a comune (municipality) in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol, located about 30km (20miles) southwest of Trento.
Tenno borders the following municipalities: Comano Terme, Fiavè, Arco, Ledro and Riva del Garda. Its neighborhood of Canale is one of I Borghi più belli d'Italia ("The most beautiful villages of Italy").[2]
Tenno contains the waterfalls of Cascate del Varone. Tenno hosts an yearly summer festival called Quarta d'Agosto (Fourth of August) which is celebrated the fourth Sunday of August, in Cologna.