Beduonė is a village in Šakiai District Municipality, in Marijampolė County, Lithuania. Beduonė lies at 62 m above sea level. It has 6 inhabitants. The nearest city is Kaunas, 42 km to the east. Among the landmarks around are Ninth Fort (40 km), Panemunė Castle (22 km) and Church of the Discovery of the Holy Cross, Ilguva (10.2 km).