Gwladys F. Hughes Simon (May 26, 1907 – March 15, 1996) was an American educator and folklorist employed by the United States Department of State for much of her career. She worked in Japan after World War II, educating the children of American military and civilian personnel in the United States Occupational Forces. She collected folktales and riddles while teaching in Sri Lanka and Micronesia in the 1950s.