Bujny Księże (Polish pronunciation: [ˈbujnɨ ˈkɕɛ̃ʐɛ]) is a village in the administrative district of Gmina Zelów, within Bełchatów County, Łódź Voivodeship, in central Poland. It lies approximately 4 kilometres (2 mi) south-east of Zelów, 12 km (7 mi) north-west of Bełchatów, and 40 km (25 mi) south of the regional capital Łódź.