Osówko [ɔˈsufkɔ] is a village in the administrative district of Gmina Biskupiec, within Nowe Miasto County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 8 kilometres (5 mi) west of Biskupiec, 25 km (16 mi) west of Nowe Miasto Lubawskie, and 90 km (56 mi) west of the regional capital Olsztyn.