Radomin [raˈdɔmin] is a village in Golub-Dobrzyń County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It is the seat of the gmina (administrative district) called Gmina Radomin. It lies approximately 10 kilometres (6 mi) east of Golub-Dobrzyń and 40 km (25 mi) east of Toruń.