1939 Northern Illinois State Evansmen football team

The 1939 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 1939 college football season. Led by 11th-year head coach Chick Evans, the Evansmen compiled an overall record of 5–2–1 with a mark of 3–1 in conference play, placing third in the IIAC.

Northern Illinois was ranked at No. 293 (out of 609 teams) in the final Litkenhous Ratings for 1939.

The team played home games at the 5,500-seat Glidden Field, located on the east end of campus, in DeKalb, Illinois.