Kadłubek [kaˈdwubɛk] is a village in the administrative district of Gmina Trzcianka, within Czarnków-Trzcianka County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 3 kilometres (2 mi) south-east of Trzcianka, 17 km (11 mi) north of Czarnków, and 77 km (48 mi) north of the regional capital Poznań.