Malachin [maˈlaxin] is a village in the administrative district of Gmina Czersk, within Chojnice County, Pomeranian Voivodeship, in northern Poland. It lies approximately 3 kilometres (2 mi) north-west of Czersk, 30 km (19 mi) north-east of Chojnice, and 107 km (66 mi) south-west of the regional capital Gdańsk.

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