| Jack Winn | |
| Birth Date: | 7 February 1898 |
| Death Place: | Mount Sterling, Kentucky, U.S. |
| Player Years1: | 1917 |
| Player Team1: | Princeton |
| Coach Years1: | 1920 |
| Coach Team1: | Princeton (ends) |
| Coach Years2: | 1922 |
| Coach Team2: | Kentucky (line) |
| Coach Years3: | 1923 |
| Coach Team3: | Kentucky |
| Coach Years4: | 1932 |
| Coach Team4: | Transylvania |
| Coach Years5: | 1943 |
| Coach Team5: | Wright Field (assistant) |
| Overall Record: | 7–8–3 |
John Jacob Winn (February 7, 1898 – February 16, 1974) was an American college football player and coach and circuit judge. He served as the head football coach at the University of Kentucky for one season in 1923, compiling a record of 4–3–2. Winn graduated from Princeton University in 1918.[1] He played football there and was captain of the 1917 Princeton Tigers football team. He was the ends coach at his alma mater in 1920.[2] Winn joined the Kentucky Wildcats football team in 1922 as a line coach under William Juneau.[3] Winn served as a lieutenant in the United States Army Air Forces during World War II and was an assistant coach for the 1943 Wright Field Kittyhawks football team.[4]