| Year: | 2003 |
| Team: | Northwestern Wildcats |
| Sport: | football |
| Conference: | Big Ten Conference |
| Short Conf: | Big Ten |
| Record: | 6–7 |
| Conf Record: | 4–4 |
| Hc Year: | 5th |
| Oc Year: | 2nd |
| Dc Year: | 2nd |
| Captain: | Louis Ayeni[1] |
| Captain2: | Pat Durr |
| Captain2 Year: | 2nd |
| Captain3: | Torri Stuckey |
| Bowl Result: | L 24–28 vs. Bowling Green |
The 2003 Northwestern Wildcats football team represented Northwestern University during the 2003 NCAA Division I-A football season. They played their home games at Ryan Field and participated as members of the Big Ten Conference. They were coached by Randy Walker.