Kulin is a village in the administrative district of Gmina Fabianki, within Włocławek County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 5 kilometres (3 mi) south of Fabianki, 6 km (4 mi) north-east of Włocławek, and 53 km (33 mi) south-east of Toruń.