Jočionys is a village in Trakai District Municipality, in Vilnius County, Lithuania. Jočionys lies at 153 m above sea level. It has 21 inhabitants (2021). The nearest city is Alytus, 38 km to the west. Among the landmarks around are Trakai Island Castle (27 km), Basilica of the Visitation of the Blessed Virgin Mary (26 km) and Trakai Kenesa (26 km). Among the natural features are A. Mickevičius oak (6.4 km).