Vestreno (Valvarronese: Vestren) is a comune (municipality) in the Province of Lecco in the Italian region Lombardy, located about 70 kilometres (43 mi) north of Milan and about 25 kilometres (16 mi) north of Lecco. As of 31 December 2004, it had a population of 296 and an area of 2.7 square kilometres (1.0 sq mi).

Vestreno borders the following municipalities: Dervio, Dorio, Sueglio.