Radwanów-Kolonia (Polish pronunciation: [raˈdvanuf kɔˈlɔɲa]) is a village located in the administrative district of Gmina Słupia Konecka, within Końskie County, Świętokrzyskie Voivodeship, in south-central Poland. It lies approximately 4 kilometres (2 mi) north of Słupia, 26 km (16 mi) south-west of Końskie, and 38 km (24 mi) north-west of the regional capital Kielce.