Radzyń [ˈrad͡zɨɲ] is a village in the administrative district of Gmina Grabów, within Łęczyca County, Łódź Voivodeship, in central Poland. It lies approximately 8 kilometres (5 mi) north of Grabów, 23 km (14 mi) north-west of Łęczyca, and 57 km (35 mi) north-west of the regional capital Łódź.