Richard Eldridge Maltby, Jr. (born October 6, 1937) is an American theatre director and producer, lyricist, and screenwriter. He is also well known as a constructor of cryptic crossword puzzles. He has done this for Harper's Magazine, sometimes in collaboration with E. R. Galli (prior to 1995), since the January 1976 issue, and in New York Magazine in the early 1970s.