| Year: | 2003 |
| Team: | Northern Illinois Huskies |
| Sport: | football |
| Conference: | Mid-American Conference |
| Division: | West Division |
| Short Conf: | MAC |
| Record: | 10–2 |
| Conf Record: | 6–2 |
| Head Coach: | Joe Novak |
| Hc Year: | 8th |
| Off Coach: | Matt Canada |
| Oc Year: | 1st |
| Mvp: | Michael Turner, Vinson Reynolds |
| Captain: | Randee Drew, Nick Duffy, P. J. Fleck, Akil Grant, Michael Turner |
| Stadium: | Huskie Stadium |
The 2003 Northern Illinois Huskies football team represented Northern Illinois University as a member of the West Division of the Mid-American Conference (MAC) during the 2003 NCAA Division I-A football season. Led by eighth-year head coach Joe Novak, the Huskies compiled an overall record of 10–2 with a mark of 6–2 in conference play, placing second in the MAC's West Division. Despite reaching bowl eligibility, the Northern Illinois was not invited to a bowl game. The team played home games at Huskie Stadium in DeKalb, Illinois.
See also: 2003 NCAA Division I-A football rankings.