The 2006 Illinois State Redbirds football team represented Illinois State University as a member of the Gateway Football Conference during the 2006 NCAA Division I FCS football season.
Led by seventh-year head coach Denver Johnson, the Redbirds compiled an overall record of 9–4 with a mark of 5–2 in conference play, tying for second place in the Gateway.
Illinois State received an at-large bid to the NCAA Division I Football Championship playoffs, defeating Eastern Illinois in the first round before losing to Youngstown State in the quarterfinals.
[2] Illinois State played home games at Hancock Stadium in Normal, Illinois.
This college football 2000s season article is a stub.