| Year: | 1942 |
| Team: | SMU Mustangs |
| Sport: | football |
| Conference: | Southwest Conference |
| Short Conf: | SWC |
| Record: | 3–6–2 |
| Conf Record: | 1–4–1 |
| Head Coach: | Jimmy Stewart |
| Hc Year: | 1st |
| Captain: | Clarence Booth, Orville Johnson, Kelly Simpson |
| Stadium: | Ownby Stadium |
The 1942 SMU Mustangs football team was an American football team that represented Southern Methodist University (SMU) as a member of the Southwest Conference (SWC) during the 1942 college football season. In their first season under head coach Jimmy Stewart, the Mustangs compiled a 3–6–2 record (1–4–1 against conference opponents) and were outscored by a total of 133 to 126.[1]
SMU was ranked at No. 75 (out of 590 college and military teams) in the final rankings under the Litkenhous Difference by Score System for 1942.[2]
The team played its home games at Ownby Stadium in the University Park suburb of Dallas.