| Biographical details | |
|---|---|
| Born | May 12, 1874 Berwick, Pennsylvania, U.S. |
| Died | September 6, 1920 (aged 46) Berwick, Pennsylvania, U.S. |
| Playing career | |
| Baseball | |
| 1893–1897 | Princeton |
| Position(s) | Pitcher, outfielder |
| Coaching career (HC unless noted) | |
| Football | |
| 1897–1898 | Sewanee |
| 1899–1900 | North Carolina (assistant) |
| Head coaching record | |
| Overall | 5–3–1 |
| Accomplishments and honors | |
| Championships | |
| 1 SIAA (1898) | |
John Gere Jayne (May 12, 1874 – September 6, 1920) was an attorney and American football and baseball coach for the Sewanee Tigers of Sewanee: The University of the South.