Raylyn Moore (1928 – 27 February 2005) was an American author of fiction and nonfiction who wrote on L. Frank Baum and Oz. Her book Wonderful Wizard, Marvelous Land, published by Bowling Green State University Popular Press in 1974, was one of the earlier reconsiderations of Baum and Oz that appeared in the second half of the twentieth century. The book's Introduction was written by Ray Bradbury. Richard Tuerk called Moore's book a "pioneering study of Oz...."