Działyń [ˈd͡ʑawɨɲ] is a village in the administrative district of Gmina Siemień, within Parczew County, Lublin Voivodeship, in eastern Poland. It lies approximately 6 kilometres (4 mi) south-west of Siemień, 12 km (7 mi) west of Parczew, and 41 km (25 mi) north of the regional capital Lublin.