Kieszek [ˈkʲɛʂɛk] is a village in the administrative district of Gmina Pionki, within Radom County, Masovian Voivodeship, in east-central Poland. It lies approximately 8 kilometres (5 mi) west of Pionki, 15 km (9 mi) north-east of Radom, and 87 km (54 mi) south of Warsaw.