Breeders' Cup wins: Breeders' Cup Juvenile Turf (2007) Breeders' Cup Filly & Mare Turf (2008) Breeders' Cup Juvenile Fillies (2009)

Julien R. Leparoux (born July 15, 1983 in Senlis, Oise, France) is a Champion jockey currently racing in the United States.

Leparoux, grew up in a racing family, the son of a jockey turned assistant trainer. He worked at the Chantilly Racecourse as a stable hand and in January 2003 emigrated to California to work as an exercise rider for fellow Frenchman, trainer Patrick Biancone. He embarked on his professional riding career in the summer of 2005 at Saratoga Race Course where he earned his first win on August 18th. He finished the 2006 Saratoga meet with 28 wins, the most in track history by an apprentice. In 2006 he was also the leading winning jockey during the Turfway Park winter/spring meet, Churchill Downs spring/summer meet, and Keeneland Race Course spring meet (where he tied with Rafael Bejarano).