Šilelis is a village in Molėtai District Municipality, in Utena County, Lithuania. Šilelis lies at 143 m above sea level. The nearest city is Utena, 23 km to the northeast. Among the landmarks around are Molėtai Astronomical Observatory (8.9 km), Lithuanian Museum of Ethnocosmology (8.3 km) and Synagogue of Alanta (8.9 km).