The 1903 Clemson Tigers football team represented the Clemson Tigers of Clemson Agricultural College during the 1903 college football season. The team was a member of the Southern Intercollegiate Athletic Association (SIAA) and played all its games on the road, compiling a 4–1–1 record and 2–0–1 in the SIAA. Most notably, the team competed in an early conference championship game, tying Cumberland 11–11 in the contest. This is John Heisman's last season coaching Clemson. The Tigers thrashed Georgia Tech 73–0, leading to Heisman's later job-offer at Tech.