Szostaki [ʂɔsˈtakʲi] is a village in the administrative district of Gmina Łukowa, within Biłgoraj County, Lublin Voivodeship, in eastern Poland. It lies approximately 4 kilometres (2 mi) north of Łukowa, 20 km (12 mi) south-east of Biłgoraj, and 96 km (60 mi) south of the regional capital Lublin.