• Alexander III of Macedon, also known as Alexander the Great

• Alexander (emperor), Byzantine Emperor (912–913)

• Pope Alexander III, pope from 1159 to 1181

• Alexander III of Scotland (1241–1286), king of Scotland

• Alexander III of Imereti (1609–1660), king of Imereti

• Alexander III of Russia (1845–1894), emperor of Russia

• *Pont Alexandre III, an arch bridge that spans the Seine, connecting the Champs-Élysées quarter and the Invalides and Eiffel Tower quarter

See also

• King Alexander (disambiguation)