Roduka is a village in Varėna District Municipality, in Alytus County, Lithuania. Roduka lies at 89 m above sea level. It has 13 inhabitants. The nearest city is Alytus, 34 km to the northwest. Among the landmarks around are Grūtas Park (15.2 km), Church of the Assumption, Merkinė (6.3 km) and Joy of All Who Sorrow Church (21 km).