Opoka [ɔˈpɔka] is a settlement in the administrative district of Gmina Sulęczyno, within Kartuzy County, Pomeranian Voivodeship, in northern Poland. It lies approximately 6 kilometres (4 mi) north-east of Sulęczyno, 26 km (16 mi) west of Kartuzy, and 54 km (34 mi) west of the regional capital Gdańsk.

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