| Year: | 1991 |
| Team: | Northern Illinois Huskies |
| Sport: | football |
| Conference: | Independent |
| Record: | 2–9 |
| Head Coach: | Charlie Sadler |
| Hc Year: | 1st |
| Captain: | Adam Dach, Nick Jones, Mike Westrick |
| Stadium: | Huskie Stadium |
The 1991 Northern Illinois Huskies football team represented Northern Illinois University as an independent during the 1991 NCAA Division I-A football season. Led by first-year head coach Charlie Sadler, the Huskies compiled a record of 2–9. Northern Illinois played home games at Huskie Stadium in DeKalb, Illinois.