Koszary [kɔˈʂarɨ] is a village in the administrative district of Gmina Czersk, within Chojnice County, Pomeranian Voivodeship, in northern Poland. It lies approximately 5 kilometres (3 mi) north of Czersk, 33 km (21 mi) north-east of Chojnice, and 74 km (46 mi) south-west of the regional capital Gdańsk.

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