| Year: | 1931 |
| Team: | Carnegie Tech Tartans |
| Sport: | football |
| Conference: | Independent |
| Record: | 3–5–1 |
| Head Coach: | Walter Steffen |
| Hc Year: | 17th |
| Stadium: | Pitt Stadium |
The 1931 Carnegie Tech Tartans football team represented the Carnegie Institute of Technology—now known as Carnegie Mellon University—as an independent during the 1931 college football season. Led by 17th-year head coach Walter Steffen, the Tartans compiled a record of 3–5–1.[1]