Dusmenys is a village in Trakai District Municipality, in Vilnius County, Lithuania. Dusmenys lies at 137 m above sea level. It has 145 inhabitants (2021). The nearest city is Alytus, 30 km to the west. Among the landmarks around are Trakai Island Castle (37 km), Raižiai Mosque (21 km) and Church of St. Simon and St. Jude Thaddeus the Apostles, Dusmenys (0.6 km).