Alexander III may refer to:
Alexander III of Macedon (356 BC – 323 BC), also known as Alexander the Great
Alexander (Byzantine emperor) (870–913), Byzantine emperor
Pope Alexander III (1100s–1181)
, grand duke of Vladimir (1328–1331), prince of Suzdal
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
, an arch bridge that spans the Seine in Paris
Russian battleship , Russian warship
Alexander III of Antioch (1869–1958), Greek Orthodox patriarch of Antioch
See also
King Alexander (disambiguation)