Kossów [ˈkɔssuf] is a village in the administrative district of Gmina Radków, within Włoszczowa County, Świętokrzyskie Voivodeship, in south-central Poland. It lies approximately 4 kilometres (2 mi) south-east of Radków, 18 km (11 mi) south of Włoszczowa, and 47 km (29 mi) south-west of the regional capital Kielce.