Mažuliai is a village in Molėtai District Municipality, in Utena County, Lithuania. Mažuliai lies at 146 m above sea level. It has 26 inhabitants (2021). The nearest city is Utena, 44 km to the north. Near the border: Belarus, 22 km. Among the landmarks around are Molėtai Astronomical Observatory (25 km), Church of St. James the Apostle, Joniškis (6.1 km) and Dubingiai Castle (19.2 km).