Alexander could refer to:

• Alexander of Limassol: A Cypriot contact of Altaïr Ibn-La'Ahad's during the events of Assassin's Creed: Bloodlines.
• Alexander the Great: The Greek-Macedonian king who conquered much of the known world during the 3rd century BCE.
• Alexander II of Russia: A Russian Czar, reigning from 1855 to 1881. He was succeeded by his son, Alexander III.
• Alexander III of Russia: A Russian Czar, reigning from 1881 to 1894. He was succeeded by his son, Nicholas II.
• Alexander VI: The Papal name of Rodrigo Borgia, who reigned as Pope from 1492 to 1503.