Julian Clare May (July 10, 1931 – October 17, 2017) was an American science fiction, fantasy, horror, science and children's writer. She had used several literary pseudonyms. She was best known for her Saga of Pliocene Exile (Saga of the Exiles in the United Kingdom), beginning with The Many-Colored Land and Galactic Milieu Series books. She was born in Chicago, Illinois.
May was married to author T. E. Dikty from 1953 until his death in 1991.