Lubiń [ˈlubiɲ] is a village in the administrative district of Gmina Trzemeszno, within Gniezno County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 4 kilometres (2 mi) north-east of Trzemeszno, 19 km (12 mi) east of Gniezno, and 68 km (42 mi) east of the regional capital Poznań.

The village has an approximate population of 280.