| Year: | 1918 |
| Team: | Sewanee Tigers |
| Sport: | football |
| Conference: | Southern Intercollegiate Athletic Association |
| Short Conf: | SIAA |
| Record: | 3–2 |
| Conf Record: | 0–1 |
| Head Coach: | Charles Best |
| Hc Year: | 2nd |
| Captain: | James G. Minter, Palmer Woodson |
| Stadium: | Hardee Field |
The 1918 Sewanee Tigers football team represented during the 1918 college football season as a member of the Southern Intercollegiate Athletic Association (SIAA). The Tigers were led by head coach Charles Best in his second season and finished with a record of three wins and two losses (3–2 overall, 0–1 in the SIAA). Zach Curlin played for Fort Oglethorpe.