Mniszew [ˈmniʂɛf] is a village in the administrative district of Gmina Magnuszew, within Kozienice County, Masovian Voivodeship, in east-central Poland. It lies approximately 12 kilometres (7 mi) north-west of Magnuszew, 35 km (22 mi) north-west of Kozienice, and 47 km (29 mi) south-east of Warsaw.