James Harold "Sleepy Jim" Crowley (September 10, 1902 – January 15, 1986) was an American football player and coach. He gained fame as one-fourth of the University of Notre Dame's legendary "Four Horsemen" backfield where he played halfback from 1922 to 1924. After a brief career as a professional football player, Crowley turned to coaching. He served as the head football coach at Michigan State College from 1929 to 1932, at Fordham University from 1933 to 1941 and at the North Carolina Pre-Flight School in 1942, compiling a career college football record of 86–23–11. Crowley also coached the Chicago Rockets of the All-America Football Conference in 1947. He was inducted into the College Football Hall of Fame as a player in 1966.