Dzierżążnik [d͡ʑɛrˈʐɔ̃ʐnik] is a settlement in the administrative district of Gmina Studzienice, within Bytów County, Pomeranian Voivodeship, in northern Poland. It lies approximately 7 kilometres (4 mi) south-west of Studzienice, 9 km (6 mi) south of Bytów, and 82 km (51 mi) south-west of the regional capital Gdańsk.

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