Lenna is a municipality in the Province of Bergamo in the Italian region Lombardy with 640 inhabitants (as at 31 December 2012).
Lenna is located 30 km north of the provincial capital city of Bergamo and 70 km northeast of the city of Milan.
- The Oratory of San Rocco (16th century) has been recently restored frescoes.
- The parish church of San Martino Oltre la Goggia from the 17th century.
- The Santuario della Madonna della Coltura from the 17th century.