1927 Illinois Fighting Illini football team

The 1927 Illinois Fighting Illini football team represented the University of Illinois in the 1927 Big Ten Conference football season. The Fighting Illini compiled a 7–0–1 record (5–0 against Western Conference opponents) and outscored their opponents by a combined total of 152 to 24. The team was selected as the 1927 national champion by the Billingsley Report, Dickinson System, Helms Athletic Foundation, National Championship Foundation, and Parke H. Davis.

Though the team had no consensus All-Americans and was known for its lack of prominent names, center Robert Reitsch and guard Russ Crane made a handful of first-team selections. Reitsch was also the team captain.