| Year: | 1931 |
| Team: | Northwestern Wildcats |
| Sport: | football |
| Conference: | Big Ten Conference |
| Short Conf: | Big Ten |
| Record: | 7–1–1 |
| Conf Record: | 5–1 |
| Head Coach: | Dick Hanley |
| Hc Year: | 5th |
| Captain: | Dal Marvil[1] |
| Stadium: | Dyche Stadium |
| Champion: | Big Ten co-champion |
The 1931 Northwestern Wildcats team represented Northwestern University during the 1931 college football season. In their fifth year under head coach Dick Hanley, the Wildcats compiled a 7–1–1 record (5–1 against Big Ten Conference opponents), finished in a three-way with Purdue and Michigan for the Big Ten championship, and outscored their opponents by a combined total of 138 to 40.[2]