Bartkūnai is a village in Ukmergė District Municipality, in Vilnius County, Lithuania. Bartkūnai lies at 120 m above sea level. The nearest city is Ukmergė, 14.0 km to the northwest. Among the landmarks around are Church of St. Peter and St. Paul (14.3 km), Church of Crucified Jesus, Krikštėnai (1.7 km) and Orthodox church of the Resurrection of Jesus Christ in Ukmergė (13.9 km).