The 2008–09 season was the fifth season of competitive association football in the Football League played by Milton Keynes Dons Football Club, a professional football club based in Milton Keynes, Buckinghamshire, England. Following their successful promotion from League Two in the previous 2007–08 season, the club returned to League One. On 2 July 2008, following the resignation of manager Paul Ince, the club appointed former Chelsea midfielder Roberto Di Matteo, his first managerial role in football. The season covers the period from 1 July 2008 to 30 June 2009.