Łubno [ˈwubnɔ] is a village in the administrative district of Gmina Kołczygłowy, within Bytów County, Pomeranian Voivodeship, in northern Poland. It lies approximately 10 kilometres (6 mi) south of Kołczygłowy, 18 km (11 mi) west of Bytów, and 95 km (59 mi) west of the regional capital Gdańsk.

For details of the history of the region, see History of Pomerania.