Bagrėnas is a village in Prienai District Municipality, in Kaunas County, Lithuania. Bagrėnas lies at 95 m above sea level. It has 108 inhabitants (2021). The nearest city is Kaunas, 28 km to the north. Among the landmarks around are M. K. Čiurlionis National Art Museum (28 km), Pažaislis Monastery (25 km) and Ninth Fort (34 km). Among the natural features are Kunigo šaltinis (5.7 km).