Lubcza [ˈlupt͡ʂa] is a village in the administrative district of Gmina Więcbork, within Sępólno County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 10 kilometres (6 mi) west of Więcbork, 17 km (11 mi) south-west of Sępólno Krajeńskie, and 51 km (32 mi) north-west of Bydgoszcz.

The village has an approximate population of 200.