Płonino [pwɔˈninɔ] (German: Karlshagen) is a village in the administrative district of Gmina Rymań, within Kołobrzeg County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 3 kilometres (2 mi) west of Rymań, 26 km (16 mi) south of Kołobrzeg, and 84 km (52 mi) north-east of the regional capital Szczecin.

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