Osetno Warmian-Masurian Voivodeship
 Osetno [ɔˈsɛtnɔ] 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) south of Biskupiec 18 km (11 mi) west of Nowe Miasto Lubawskie and 88 km (55 mi) south-west of the regional capital Olsztyn.