Łubka [ˈwupka] is a village in the administrative district of Gmina Siemień, within Parczew County, Lublin Voivodeship, in eastern Poland. It lies approximately 4 kilometres (2 mi) west of Siemień, 11 km (7 mi) west of Parczew, and 44 km (27 mi) north of the regional capital Lublin.