Bieganów [bjɛˈɡanuf] is a village in the administrative district of Gmina Jaktorów, within Grodzisk Mazowiecki County, Masovian Voivodeship, in east-central Poland. It lies approximately 5 kilometres (3 mi) south-west of Jaktorów, 13 km (8 mi) south-west of Grodzisk Mazowiecki, and 41 km (25 mi) south-west of Warsaw.