Czałczyn [ˈt͡ʂau̯t͡ʂɨn] is a village in the administrative district of Gmina Łopuszno, within Kielce County, Świętokrzyskie Voivodeship, in south-central Poland. It lies approximately 3 kilometres (2 mi) north of Łopuszno and 28 km (17 mi) west of the regional capital Kielce.