Kuźnica Żytniowska (Polish pronunciation: [kuʑˈɲit͡sa ʐɨtˈɲɔfska]) is a village in the administrative district of Gmina Rudniki, within Olesno County, Opole Voivodeship, in south-western Poland. It lies approximately 6 kilometres (4 mi) south-west of Rudniki, 17 km (11 mi) north-east of Olesno, and 57 km (35 mi) north-east of the regional capital Opole.