Jeziernik [jɛˈʑɛrnik] is a settlement in the administrative district of Gmina Rzeczenica, within Człuchów County, Pomeranian Voivodeship, in northern Poland. It lies approximately 18 kilometres (11 mi) north-west of Rzeczenica, 39 km (24 mi) north-west of Człuchów, and 130 km (81 mi) south-west of the regional capital Gdańsk.

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