Radonia [raˈdɔɲa] is a village in the administrative district of Gmina Wielowieś, within Gliwice County, Silesian Voivodeship, in southern Poland. It lies approximately 4 kilometres (2 mi) west of Wielowieś, 27 km (17 mi) north of Gliwice, and 43 km (27 mi) north-west of the regional capital Katowice.