Juodeišiai is a village in Biržai District Municipality, in Panevėžys County, Lithuania. Juodeišiai lies at 38 m above sea level. It has 40 inhabitants (2021). The nearest city is Panevėžys, 49 km to the southwest. Near the border: Latvia, 13 km. Among the landmarks around are Rundāle Palace (43 km), Church of the Assumption of Mary in Skaistkalne (25 km) and Biržai Castle (13.1 km). Among the natural features are Cow cave (10.3 km).