Keir Dillon (born June 1, 1977) is a professional snowboarder specializing in Halfpipe.
Dillon has been a competitive snowboarder since 1997; his current home mountain is Ponto Beach, California but originally, he grew up riding the east coast of Pennsylvania and New York.
He has accumulated two bronze medals at the Winter X Games, took back-to-back gold at the World Superpipe championships in 04/05, and has secured second and third place at the United States Open.
Dillon is a member of the Frends Crew (spelled without the "i" to emphasize the collective nature of the group) made up of snowboarders Mason Aguirre, Kevin Pearce, Danny Davis, Scotty Lago, Jack Mitrani and Luke Mitrani.
Frends is group of riders who turned their initial friendship into a formal alliance in 2007 to move the sport away from its recent competitive and business focus and return the sport to its grass roots, collegial beginnings.