Prostynia [prɔsˈtɨɲa] (German: Wildforth) is a village in the administrative district of Gmina Kalisz Pomorski, within Drawsko County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 10 kilometres (6 mi) north-west of Kalisz Pomorski, 24 km (15 mi) south of Drawsko Pomorskie, and 80 km (50 mi) east of the regional capital Szczecin.
Before 1945 the area was part of Germany. For the history of the region, see History of Pomerania.
The village has a population of 90.