Sierzchów [ˈɕɛʂxuf] is a village in the administrative district of Gmina Góra Kalwaria, within Piaseczno County, Masovian Voivodeship, in east-central Poland. It lies approximately 7 kilometres (4 mi) west of Góra Kalwaria, 12 km (7 mi) south-east of Piaseczno, and 28 km (17 mi) south of Warsaw.