Lėnas is a village in Ukmergė District Municipality, in Vilnius County, Lithuania. Lėnas lies at 82 m above sea level. It has 129 inhabitants (2021). The nearest city is Ukmergė, 23 km to the southeast. Among the landmarks around are Siesikai Castle (16.5 km), Church of the Assumption, Raguva (15.2 km) and Church of the Exaltation of the Holy Cross, Taujėnai (11.5 km).