| Year: | 1991 |
| Team: | Northwestern Wildcats |
| Sport: | football |
| Conference: | Big Ten Conference |
| Short Conf: | Big Ten |
| Record: | 3–8 |
| Conf Record: | 2–6 |
| Head Coach: | Francis Peay |
| Hc Year: | 6th |
| Def Coach: | Mike Knoll |
| Dc Year: | 2nd |
| Captain: | Darryl Ashmore[1] |
| Captain2: | Dan Freveletti |
| Captain3: | Dwight James |
| Captain4: | Ed Sutter |
| Stadium: | Dyche Stadium |
The 1991 Northwestern Wildcats team represented Northwestern University during the 1991 NCAA Division I-A football season. In their sixth year under head coach Francis Peay, the Wildcats compiled a 3–8 record (2–6 against Big Ten Conference opponents) and finished in ninth place in the Big Ten Conference.[2]
The team's offensive leaders were quarterback Len Williams with 1,630 passing yards, Dennis Lundy with 568 rushing yards, and Mark Benson with 831 receiving yards.[3]
For the game against Ohio State, Northwestern played a home game against Ohio State in Cleveland.[4] [5]