Omraam Mikhaël Aïvanhov (Mihail Ivanov) (January 31, 1900 - December 25, 1986) was a Bulgarian philosopher, pedagogue, mystic, and esotericist.
A leading 20th-century teacher of Western Esotericism in Europe, he was a disciple of Peter Deunov (Beinsa Douno), the founder of the Universal White Brotherhood.