Karolin [kaˈrɔlin] is a settlement in the administrative district of Gmina Główczyce, within Słupsk County, Pomeranian Voivodeship, in northern Poland. It lies approximately 10 kilometres (6 mi) south-west of Główczyce, 19 km (12 mi) north-east of Słupsk, and 92 km (57 mi) west of the regional capital Gdańsk.

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