Gnojnik [ˈɡnɔi̯nik] is a village in southern Poland, the seat of the rural gmina (administrative district) of Gmina Gnojnik in Brzesko County, Lesser Poland Voivodeship. It lies approximately 10 kilometres (6 mi) south of Brzesko and 52 km (32 mi) south-east of the regional capital Kraków.

• Polish official population figures 2006