| Harry Gamage | |
| Birth Date: | 3 February 1900 |
| Birth Place: | Macomb, Illinois, U.S. |
| Death Place: | Mesa, Arizona, U.S. |
| Player Sport1: | Football |
| Player Years2: | 1919 |
| Player Team2: | Western Illinois |
| Player Years3: | 1921 |
| Player Team3: | Illinois |
| Player Positions: | Center |
| Coach Sport1: | Football |
| Coach Years2: | 1922 |
| Coach Team2: | Fairmont HS (WV) |
| Coach Years3: | 1923 |
| Coach Team3: | Parkersburg HS (WV) |
| Coach Years4: | 1924–1926 |
| Coach Team4: | Illinois (freshmen) |
| Coach Years5: | 1927–1933 |
| Coach Team5: | Kentucky |
| Coach Years6: | 1934–1941 |
| Coach Team6: | South Dakota |
| Coach Years7: | 1946–1955 |
| Coach Team7: | South Dakota |
| Coach Sport8: | Basketball |
| Coach Years9: | 1922–1923 |
| Coach Team9: | Fairmont HS (WV) |
| Overall Record: | 114–92–12 (college football) |
| Championships: | 4 NCC (1938–1939, 1947, 1951) |
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.[1]
He coached at University of Kentucky from 1927 to 1933 and, during his tenure, compiled a 32–25–5 record, including his best season of 6–1–1 in 1929. He subsequently became the head football coach at the University of South Dakota, where he served from 1934 to 1941 and, following World War II service, from 1946 to 1955.