Frederick of Austria

Frederick of Austria (Friedrich I. von Österreich) may refer to:

Frederick I of Austria (Babenberg) (c. 1175 – 1198), of the Babenberg family, duke from 1195 to 1198 Frederick I of Austria (Habsburg) (c. 1289 – 1330) of the Habsburg family, duke from 1308 to 1330 Frederick II of Austria (1211–1246), Babenberg duke Frederick III of Austria (1347–1362), Habsburg duke Frederick IV of Austria (1382–1439), Habsburg duke of the Tirol, son of Leopold III of Austria Frederick V of Austria (1415–1493), later Frederick III, Holy Roman Emperor Archduke Frederick, Duke of Teschen (1856–1936)