The 2012 Illinois State Redbirds football team represented Illinois State University as a member of the Missouri Valley Football Conference (MVFC) during the 2012 NCAA Division I FCS football season. Led by fourth-year head coach Brock Spack, the Redbirds compiled an overall record of 9–4 with a mark of 5–3 in conference play, placing in a three-way tie for third in the MVFC. Illinois State received an at-large bid to the NCAA Division I Football Championship playoffs. After a first-round bye, the Redbirds defeated Appalachian State in the second round before falling to Eastern Washington in the quarterfinals. The team played home games at Hancock Stadium in Normal, Illinois.