Szadkówek [ʂatˈkuvɛk] is a village in the administrative district of Gmina Leszno, within Warsaw West County, Masovian Voivodeship, in east-central Poland. It lies approximately 5 kilometres (3 mi) south-west of Leszno, 19 km (12 mi) west of Ożarów Mazowiecki (the county seat), and 32 km (20 mi) west of Warsaw.