Stoniškė is a village in Trakai District Municipality, in Vilnius County, Lithuania. Stoniškė lies at 130 m above sea level. The nearest city is Alytus, 32 km to the west. Among the landmarks around are Trakai Island Castle (33 km), Raižiai Mosque (22 km) and Church of St. Simon and St. Jude Thaddeus the Apostles, Dusmenys (4.0 km).