Janów [ˈjanuf] is a village in the administrative district of Gmina Tczów, within Zwoleń County, Masovian Voivodeship, in east-central Poland. It lies approximately 5 kilometres (3 mi) north-east of Tczów, 6 km (4 mi) west of Zwoleń, and 101 km (63 mi) south of Warsaw.