| Year: | 1940 |
| Team: | BYU Cougars |
| Sport: | football |
| Conference: | Mountain States Conference |
| Short Conf: | MSC |
| Record: | 2–4–2 |
| Conf Record: | 2–3–1 |
| Head Coach: | Eddie Kimball |
| Hc Year: | 4th |
| Stadium: | BYU Stadium |
The 1940 BYU Cougars football team was an American football team that represented Brigham Young University (BYU) as a member of the Mountain States Conference (MSC) during the 1940 college football season. In their fourth season under head coach Eddie Kimball, the Cougars compiled an overall record of 2–4–2 with a mark of 2–3–1 against conference opponents, finished fourth in the MSC, and were outscored by a total of 93 to 79.[1] [2]
BYU was ranked at No. 120 (out of 697 college football teams) in the final rankings under the Litkenhous Difference by Score system for 1940.[3]