Rataje [raˈtajɛ] (German: Kossäthenfeld) is a village in the administrative district of Gmina Nowogródek Pomorski, within Myślibórz County, West Pomeranian Voivodeship, in northwestern Poland. It lies approximately 5 kilometres (3 mi) south of Nowogródek Pomorski, 14 km (9 mi) south-east of Myślibórz, and 68 km (42 mi) southeast of the regional capital Szczecin. It has a population of 70.

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