Ryan Dungey (Born December 4, 1989) is a former American professional motorcycle racer who raced in the AMA Supercross and Outdoor Motocross championships. A four-time supercross and three-time motocross champion, he retired after the 2017 supercross season.
He trained with trainer Aldon Baker and was mentored by Red Bull KTM team manager Roger DeCoster. Dungey was one of the few professional motocross athletes to turn pro directly from the "B" class in amateur racing.
Dungey has won every major title in American Motocross and Supercross. He won the world's largest international motocross race, the Motocross des Nations three times. He has seven major AMA championships. Dungey is tied for 6th place in all-time 450 Supercross race wins (33) and 6th place in all-time Supercross combined wins (44). He holds the record for consecutive podium finishes in Supercross at 31. In all-time 450 motocross overall wins, Dungey is 2nd with 39 to Ricky Carmichael and ahead of Bob Hannah. He is 3rd place in all-time combined (250/450) motocross overall wins (46). Finally, he is in 4th place in all-time combined Supercross and Motocross wins with 80 total race wins.