Šimoniai is a village in Pasvalys District Municipality, in Panevėžys County, Lithuania. It has 88 inhabitants (2021). The nearest city is Panevėžys, 36 km to the south. Near the border: Latvia, 23 km. Among the landmarks around are Rundāle Palace (44 km), Church of St. John the Baptist, Pasvalys (5.2 km) and Orthodox church in Gegabrasta (10.2 km). Among the natural features are Zalsvasis spring (5.4 km).