The 2009 Formula D season (officially titled Formula Drift Professional Championship) was the sixth season for the Formula D series. The series began April 11 and concluded on October 11. Chris Forsberg took his first series title in a Nissan 350Z; the third season in succession in which a Nissan car had won the championship.
^The Sonoma round was originally scheduled for September 12 but the event was brought forward to August 22, sharing the billing with the IndyCar Grand Prix of Sonoma.
^The Irwindale round was originally scheduled for October 11.