Knieja [ˈkɲɛja] is a settlement in the administrative district of Gmina Rzeczenica, within Człuchów County, Pomeranian Voivodeship, in northern Poland. It lies approximately 11 kilometres (7 mi) north-west of Rzeczenica, 32 km (20 mi) north-west of Człuchów, and 123 km (76 mi) south-west of the regional capital Gdańsk.

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