Miastkówek [mjastˈkuvɛk] is a village in the administrative district of Gmina Michów, within Lubartów County, Lublin Voivodeship, in eastern Poland. It lies approximately 5 kilometres (3 mi) north-west of Michów, 25 km (16 mi) west of Lubartów, and 40 km (25 mi) north-west of the regional capital Lublin.