Schönhagen may refer to: Germany Schönhagen, Thuringia, in the Eichsfeld district, Thuringia , in the Teltow-Fläming district, Brandenburg A locality in Uslar, Lower Saxony A locality in Brodersby, Rendsburg-Eckernförde, Schleswig-Holstein Schönhagen Airport, Brandenburg Poland the former German name of Osina, Goleniów County, Poland