Robert Crichton

Robert Crichton may refer to:
 * Robert Crichton (bishop) (died 1585), Scottish Catholic cleric
 * Robert Crichton (Lord Advocate) (1530–1582), Lord Advocate of Scotland
 * Robert Crichton, 6th Lord Crichton of Sanquhar (died 1561)
 * Robert Crichton, 8th Lord Crichton of Sanquhar (died 1612), son of Edward, Lord Sanquhar
 * Robert Crichton (novelist) (1925–1993), American novelist
 * Robert Crichton (comics), a supporting character in DC Comics