Chwarzno [ˈxfaʐnɔ] is a village in the administrative district of Gmina Stara Kiszewa, within Kościerzyna County, Pomeranian Voivodeship, in northern Poland. It lies approximately 3 kilometres (2 mi) south-east of Stara Kiszewa, 21 km (13 mi) south-east of Kościerzyna, and 53 km (33 mi) south-west of the regional capital Gdańsk.

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