The 2009 Preakness Stakes was the 134th running of the Preakness Stakes, the second leg of horse racing's Triple Crown. The value of the race was $1,100,000 in stakes. The race was sponsored by BlackBerry and hence officially was called BlackBerry Preakness Stakes. The race took place on May 16, 2009. Post time was 6:19 p.m. EDT and was televised in the United States on the NBC television networks. The Maryland Jockey Club reported total attendance of 77,850, this is recorded as third highest on the list of American thoroughbred racing top attended events for North America in 2009.

The Preakness Stakes is an American thoroughbred horse race held annually on Armed Forces Day, the third Saturday in May at Pimlico Race Course in Baltimore, Maryland. The Preakness Stakes is a Grade I race run over a distance of 1+3⁄16 miles on dirt. Colts and geldings carry 126 pounds (57 kg); fillies 121 pounds (55 kg). It is the second jewel of the Triple Crown, held two weeks after the Kentucky Derby and three weeks before the Belmont Stakes.