| Year: | 1940 |
| Team: | Sewanee Tigers |
| Sport: | football |
| Conference: | Southeastern Conference |
| Short Conf: | SEC |
| Record: | 3–5 |
| Conf Record: | 0–1 |
| Head Coach: | Jenks Gillem |
| Hc Year: | 1st |
| Stadium: | Hardee Field |
The 1940 Sewanee Tigers football team was an American football team that represented as a member of the Southeastern Conference during the 1940 college football season. In their first season under head coach Jenks Gillem, Sewanee compiled a 3–5 record.[1]
Sewanee was ranked at No. 157 (out of 697 college football teams) in the final rankings under the Litkenhous Difference by Score system for 1940.[2]