Cornell Luther Dupree (December 19, 1942 – May 8, 2011) was an American jazz and R&B guitarist. He worked at various times with Bill Withers, Donny Hathaway, King Curtis and Steve Gadd, appeared on David Letterman, and wrote a book on soul and blues guitar: Rhythm and Blues Guitar ISBN 0-634-00149-3. He reputedly recorded on 2,500 sessions.