Kosmów [ˈkɔsmuf] is a village in the administrative district of Gmina Hrubieszów, within Hrubieszów County, Lublin Voivodeship, in eastern Poland, close to the border with Ukraine. It lies approximately 15 kilometres (9 mi) south-east of Hrubieszów and 118 km (73 mi) south-east of the regional capital Lublin.