Płonno [ˈpwɔnnɔ] is a village in the administrative district of Gmina Barlinek, within Myślibórz County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 4 kilometres (2 mi) south-east of Barlinek, 27 km (17 mi) east of Myślibórz, and 66 km (41 mi) south-east of the regional capital Szczecin.

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