Guźlin [ˈɡuʑlin] is a village in the administrative district of Gmina Brześć Kujawski, within Włocławek County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 3 kilometres (2 mi) south-east of Brześć Kujawski, 11 km (7 mi) south-west of Włocławek, and 53 km (33 mi) south-east of Toruń.