Alexander (disambiguation)

* Alexander III, 13th Century King of Scotland
* Alexander VI, 15th-16th Century Pope
* Alexander ab Alexandro, another name for Alessandro Alessandri, 16th Century Neapolitan Lawyer
* Alexander Ales, 16th Century Scottish Theologian
* Alexander of Paphlagonia, 2nd Century Con Artist
* Alexander of Tralles, 6th Century Physician
* Alexander the Great, 4th Century BCE Emperor of the Macedonian Empire