| Year: | 1903 |
| Team: | Northwestern Purple |
| Sport: | football |
| Conference: | Western Conference |
| Short Conf: | Western |
| Record: | 10–1–3 |
| Conf Record: | 1–0–2 |
| Head Coach: | Walter McCornack |
| Hc Year: | 1st |
| Captain: | Dixie Fleager |
| Stadium: | Sheppard Field |
| Champion: | Western Conference co-champion |
The 1903 Northwestern Purple team was an American football team that represented Northwestern University as a member of the Western Conference (now commonly known as the Big Ten Conference) during the 1903 college football season. In their first season under head coach Walter McCornack, the Wildcats compiled a 10–1–3 record (1–0–2 in conference games), shut out eight opponents, outscored all opponents by a total of 229 to 67, and tied for the conference championship. They were undefeated in the firt eleven games, finally losing in the final game of the season to the team from the Carlisle Indian Industrial School.[1] [2]