Żelazna Nowa [ʐɛˈlazna ˈnɔva] is a village in the administrative district of Gmina Magnuszew, within Kozienice County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) north-west of Magnuszew, 29 km (18 mi) north-west of Kozienice, and 52 km (32 mi) south-east of Warsaw.