Robert Coulson was an American science fiction writer, well-known fan, filk songwriter, fanzine editor and bookseller from Indiana. He served as Secretary of the Science Fiction and Fantasy Writers of America from 1972 to 1974. Coulson and his wife, Juanita Coulson, edited the mimeographed fanzine Yandro, which was nominated for the Hugo Award 10 years in a row, from 1959 through 1968, and won in 1965.
