Pilionys is a village in Ukmergė District Municipality, in Vilnius County, Lithuania. Pilionys lies at 151 m above sea level. It has 31 inhabitants (2021). The nearest city is Ukmergė, 17.4 km to the west. Among the landmarks around are Church of St. Joseph, Šešuoliai (4.1 km), Church of St. Peter and St. Paul (17.5 km) and Baltadvaris Castle (14.0 km).