The 2008–09 Premier Reserve League (officially known as the 2008–09 Barclays Premier Reserve League for sponsorship reasons) is the tenth season since the establishment of the Premier Reserve League. The season began on 1 September 2008, and ended with the play-off final on 21 May 2009. The events in the senior leagues during the 2007–08 season saw Birmingham City, Derby County and Reading all relegated and replaced by the promoted teams Hull City, Stoke City, and West Bromwich Albion.