The 2003 Miami RedHawks football team represented Miami University in the 2003 NCAA Division I-A football season. They competed in the East Division of the Mid-American Conference (MAC) . The team was coached by Terry Hoeppner and played their homes game in Yager Stadium. The Redhawks finished the season with a record of 13–1 (8–0 MAC). They won the MAC for the first time since 1986 and was invited to the GMAC Bowl, where they beat Louisville 49–28.