Zosin [ˈzɔɕin] is a village in the administrative district of Gmina Lubanie, within Włocławek County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 8 kilometres (5 mi) north-west of Lubanie, 21 km (13 mi) north-west of Włocławek, and 32 km (20 mi) south-east of Toruń.