Płoskinia [pwɔsˈkiɲa] (German: Plaßwich) is a village in Braniewo County, Warmian-Masurian Voivodeship, in northern Poland. It is the seat of the gmina (administrative district) called Gmina Płoskinia. It lies approximately 15 kilometres (9 mi) south-east of Braniewo and 66 km (41 mi) north-west of the regional capital Olsztyn. It is located in Warmia. The village has a population of 460.