Kamionek [kaˈmjɔnɛk] is a village in the administrative district of Gmina Mogilno, within Mogilno County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 10 kilometres (6 mi) south of Mogilno, 62 km (39 mi) south of Bydgoszcz, and 67 km (42 mi) south-west of Toruń.