1931 Northwestern Wildcats football team

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. Their sole loss was on the final day of the season against Purdue.