Kruszyna [kruˈʂɨna] is a settlement in the administrative district of Gmina Kościerzyna, within Kościerzyna County, Pomeranian Voivodeship, in northern Poland. It lies approximately 13 kilometres (8 mi) south of Kościerzyna and 59 km (37 mi) south-west of the regional capital Gdańsk.

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