Račkūnai is a village in Trakai District Municipality, in Vilnius County, Lithuania. Račkūnai lies at 164 m above sea level. It has 326 inhabitants (2021). The nearest city is Vilnius, 17.5 km to the east. Among the landmarks around are Vilnius Cathedral (17.8 km), Trakai Island Castle (6.6 km) and National Museum of Lithuania (17.9 km). Among the natural features are Tauras Hill (16.8 km) and Viktoras Bergas oak (7.8 km).