Czarnów [ˈt͡ʂarnuf] is a village in the administrative district of Gmina Leszno, within Warsaw West County, Masovian Voivodeship, in east-central Poland. It lies approximately 6 kilometres (4 mi) west of Leszno, 20 km (12 mi) west of Ożarów Mazowiecki (the county seat), and 34 km (21 mi) west of Warsaw.