Pruski [ˈpruski] is a village in the administrative district of Gmina Iłowo-Osada, within Działdowo County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 5 kilometres (3 mi) north-east of Iłowo-Osada, 11 km (7 mi) east of Działdowo, and 66 km (41 mi) south of the regional capital Olsztyn.