Rudniczyn
 Rudniczyn [rudˈnit͡ʂɨn] is a village in the administrative district of Gmina Wągrowiec within Wągrowiec County Greater Poland Voivodeship in west-central Poland. It lies approximately 7 kilometres (4 mi) west of Wągrowiec and 47 km (29 mi) north of the regional capital Poznań.