Harry G. Gamage (February 3, 1900 – August 22, 1994) was an American football player and coach. He served as the head football coach the University of Kentucky from 1927 to 1933 and at the University of South Dakota from 1934 to 1941 and again from 1946 to 1955, compiling a career college football record of 114–92–12. A native of Macomb, Illinois, Gamage attended and played football at Western Illinois State Normal School—now Western Illinois University—and the University of Illinois at Urbana–Champaign.