Sylvain Guintoli (born 24 June 1982 in Montélimar) is a French professional motorcycle racer.
He is contracted to the Suzuki MotoGP team as a test rider with occasional race entries, as a wild card or replacement rider.In 2017, he competed in the British Superbike Championship aboard a Suzuki GSX-R1000.
He spent the early years of his career in 250cc Grand-Prix World Championship on private bikes.
He was a 500cc 2 stroke test rider for Yamaha and made a single MotoGP start in 2002.
Best MotoGP rookie in 2007 for Yamaha, he raced for Ducati MotoGP in 2008.
After a serious leg injury in 2009, he recovered and became World Superbike Champion in 2014 for Aprilia.