Spanėnai is a village in Jonava District Municipality, in Kaunas County, Lithuania. Spanėnai lies at 38 m above sea level. It has 132 inhabitants (2021). The nearest city is Jonava, 2.0 km to the northeast. Among the landmarks around are Ninth Fort (28 km), M. K. Čiurlionis National Art Museum (29 km) and Pažaislis Monastery (26 km). Among the natural features are Vainiai poplar (8.0 km).