1931 Northern Illinois State Evansmen football team

The 1931 Northern Illinois State Evansmen football team represented Northern Illinois State Teachers College—now known as Northern Illinois University—as a member of the Illinois Intercollegiate Athletic Conference (IIAC) during the 1930 college football season. Led by third-year head coach Chick Evans, the Evansmen compiled an overall record of 5–3 with a mark of 4–2 in conference play, tying for sixth place in the IIAC. The team played home games at the 5,500-seat Glidden Field, located on the east end of campus, in DeKalb, Illinois.