The Strong is an epithet for the following:
Ale the Strong, a mythological king of Sweden Augustus II the Strong (1670–1733), Elector of Saxony (as Frederick Augustus I) and King of Poland and Grand Duke of Lithuania (as Augustus II) Leopold of Styria (died 1129), Margrave of Styria Magnus the Strong (1106–1134), Danish duke, possibly also king of Sweden Raud the Strong, Norse Seid priest and warrior in the late tenth century Robert the Strong (820–866), Margrave in Neustria Sancho II of Castile and León (1036/1038–1072), King of Castile, Galicia and León Sancho VII of Navarre (1154–1234), King of Navarre Stefan Dušan (1308–1355), King and Emperor of Serbia Styrbjörn the Strong, a Viking rebel in Norse sagas who may have been slain in the 980s
See also Stefan Uroš V (1336–1371), ruler of the Serbian Empire known as Uroš Nejaki ("the Weak") Henry IV of Castile (1425–1474), King of Castile nicknamed "the Impotent"