Theon may refer to: People with the name. Given name or stage name. Theon (1st century BC), literary critic and lexicographer. Theon (rhetorician) (c. 500), teacher of Damascius. Theon, vocalist for Lovex. Theon of Alexandria (c. 335 – c. 405), a Greek astronomer and mathematician. Theon of Samos, painter. Theon of Smyrna (c. 70 – c. 135), philosopher and mathematician. Surname. Aelius Theon (mid to late first century A.D.), teacher of rhetorics. Alma Théon (1843–1908), clairvoyant and occultist. Max Théon (1848–1927), kabbalist and occultist. Fictional.
https://en.wikipedia.org/wiki/Theon