Radostowo [radɔsˈtɔvɔ] (German: Radostowen, 1938-45: Rehbruch) is a village in the administrative district of Gmina Rozogi, within Szczytno County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 10 kilometres (6 mi) west of Rozogi, 19 km (12 mi) south-east of Szczytno, and 59 km (37 mi) south-east of the regional capital Olsztyn.