Villongo (Bergamasque: Ilónch) is a comune (municipality) in the Province of Bergamo in the Italian region of Lombardy, located about 60 km northeast of Milan and about 20 km east of Bergamo. As of January 2017, it had a population of 8,052 and an area of 5.93 km2. The municipality of Villongo contains two frazioni (subdivisions, mainly villages and hamlets): Sant'Alessandro and San Filastro. Villongo borders the following municipalities: Adrara San Martino, Credaro, Foresto Sparso, Paratico, Sarnico, Zandobbio.

Demographic evolution

Infrastructure and accessibility

Between 1901 and 1921 the town hosted one stop of the Bergamo-Trescore-Sarnico tramway.

Twin towns – sister cities

Villongo is twinned with: