Radańska [raˈdaɲska] is a village in the administrative district of Gmina Osie, within Świecie County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 3 kilometres (2 mi) north of Osie, 24 km (15 mi) north of Świecie, and 60 km (37 mi) north of Bydgoszcz.