Płonka [ˈpwɔŋka] is a village in the administrative district of Gmina Rudnik, within Krasnystaw County, Lublin Voivodeship, in eastern Poland. It lies approximately 6 kilometres (4 mi) south of Rudnik, 23 km (14 mi) south-west of Krasnystaw, and 55 km (34 mi) south-east of the regional capital Lublin.