Sarnów [ˈsarnuf] is a village in the administrative district of Gmina Rybno, within Sochaczew County, Masovian Voivodeship, in east-central Poland. It lies approximately 5 kilometres (3 mi) north-east of Rybno, 9 km (6 mi) north-west of Sochaczew, and 60 km (37 mi) west of Warsaw.