Wolnica [vɔlˈnit͡sa] is a village in the administrative district of Gmina Lubomino, within Lidzbark County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 8 kilometres (5 mi) north-east of Lubomino, 17 km (11 mi) west of Lidzbark Warmiński, and 37 km (23 mi) north of the regional capital Olsztyn.

Before 1772 the area was part of Kingdom of Poland, and in 1772–1945 it belonged to Prussia and Germany (East Prussia).