Czarnystok [t͡ʂarˈnɨstɔk] is a village in the administrative district of Gmina Radecznica, within Zamość County, Lublin Voivodeship, in eastern Poland. It lies approximately 12 kilometres (7 mi) south of Radecznica, 31 km (19 mi) west of Zamość, and 69 km (43 mi) south of the regional capital Lublin.