Rzadkwin [ˈʐatkfin] is a village in the administrative district of Gmina Strzelno, within Mogilno County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 6 kilometres (4 mi) north-west of Strzelno, 12 km (7 mi) east of Mogilno, 51 km (32 mi) south of Bydgoszcz, and 53 km (33 mi) south-west of Toruń.