Alex Grey (born November 29, 1953) is an American artist specializing in spiritual and psychedelic art (or visionary art) that is sometimes associated with the New Agemovement. Grey is a Vajrayana practitioner. His body of work spans a variety of forms including performance art, process art, installation art, sculpture, visionary art, andpainting. Grey is a member of the Integral Institute. He is also on the board of advisors for the Center for Cognitive Liberty and Ethics, and is the Chair of Wisdom University's Sacred Art Department. He and his wife Allyson Grey are the co-founders of CoSM, Chapel of Sacred Mirrors, a non-profit church supporting Visionary Culture in Wappingers Falls, New York.

The large format art book, Sacred Mirrors: The Visionary Art of Alex Grey has been translated into five languages and has sold over 100 thousand copies. His book, The Mission of Art, traces the evolution of human consciousness through art history, explores the role of an artist's intention and conscience, and reflects on the creative process as a spiritual path.