Karlin [ˈkarlin] (German: Keller) is a village in the administrative district of Gmina Nowogródek Pomorski, within Myślibórz County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 3 kilometres (2 mi) north-east of Nowogródek Pomorski, 14 km (9 mi) east of Myślibórz, and 64 km (40 mi) south-east of the regional capital Szczecin.

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

The village has a population of 60.