Luis Contreras (born March 14, 1986) is a Mexican thoroughbred jockey since 2006. After starting his career in Mexico, Contreras started competing in the United States and Canada during the late 2000s. For his graded stakes race career, Contreras has won forty Grade III races, twenty two Grade II races and four Grade I races. At the 2011 Canadian Triple Crown of Thoroughbred Racing, Contreras won the Queen's Plate, Prince of Wales Stakes, and Breeders' Stakes. He became the first jockey to use two horses to win the Canadian Triple Crown. In 2014, Contreras came short of another Canadian Triple Crown after finishing tenth at the Breeders' Stakes following wins at the Queen's Plate and Prince of Wales.
As part of the Triple Crown of Thoroughbred Racing, Contreras's best results were third at the 2014 Preakness Stakes and sixth at the 2018 Kentucky Derby. At the Canadian Triple Tiara of Thoroughbred Racing, Contreras won the Woodbine Oaks and Bison City Stakes in 2011 and was fourth at the Wonder Where Stakes that year. After winning the Woodbine Oaks and Wonder Where Stakes in 2017, he was fifth that year at the Bison City Stakes. For the American Triple Tiara of Thoroughbred Racing, Contreras placed sixth at the 2011 Alabama Stakes. With his Breeders' Cup races between 2011 and 2018, his highest finish was runner-up at the Filly and Mare Sprint event at the 2017 Breeders' Cup. While winning over 2,400 races in his career, Contreras received the Sovereign Award for Outstanding Jockey in 2011 and 2012.