| Year: | 1955 |
| Team: | Illinois State Normal Redbirds |
| Sport: | football |
| Conference: | Interstate Intercollegiate Athletic Conference |
| Short Conf: | IIAC |
| Record: | 3–4–2 |
| Conf Record: | 2–3–1 |
| Head Coach: | Edwin Struck |
| Hc Year: | 11th |
| Mvp: | Bill Booker |
| Captain: | Bob Riggenbach, Bill Booker |
| Stadium: | McCormick Field |
The 1955 Illinois State Normal Redbirds football team represented Illinois State Normal University—now known as Illinois State University—as a member of the Interstate Intercollegiate Athletic Conference (IIAC) during the 1955 college football season. Led by 11th-year head coach Edwin Struck, the Redbirds compiled an overall record of 3–4–2 with a mark of 2–3–1 in conference play, tying for fourth place in the IIAC.[1] Illinois State Normal played home games at McCormick Field in Normal, Illinois.
While the team lost its game against Western Illinois, it was later awarded a win by forfeit due to Western Illinois' use of an ineligible player.[2]