Rzeniszów [ʐɛˈniʂuf] is a village in the administrative district of Gmina Koziegłowy, within Myszków County, Silesian Voivodeship, in southern Poland. It lies approximately 4 kilometres (2 mi) south of Koziegłowy, 12 km (7 mi) west of Myszków, and 38 km (24 mi) north of the regional capital Katowice.