The Illinois State Redbirds are the athletic teams that represent Illinois State University in Normal, Illinois. Teams play at the NCAA Division I level. The football team competes in the Missouri Valley Football Conference while most other teams compete in the Missouri Valley Conference. The fight song is Go, You Redbirds.

Illinois State University (ISU) is a public research university in Normal, Illinois. It was founded in 1857 as Illinois State Normal University and is the oldest public university in Illinois. The university emphasizes teaching and is recognized as one of the top ten largest producers of teachers in the US according to the American Association of Colleges of Teacher Education. It is classified among "R2: Doctoral Universities – High research activity".