Czarniż [ˈt͡ʂarniʂ] is a village in the administrative district of Gmina Brusy, within Chojnice County, Pomeranian Voivodeship, in northern Poland. It lies approximately 6 kilometres (4 mi) south-east of Brusy, 21 km (13 mi) north-east of Chojnice, and 82 km (51 mi) south-west of the regional capital Gdańsk.

For details of the history of the region, see History of Pomerania.