Patrick Alan "Pat" Day is a retired American jockey. He is a four-time winner of the Eclipse Award for Outstanding Jockey and was inducted into the National Museum of Racing and Hall of Fame in 1991 and the Arkansas Sports Hall of Fame in 1999. Day won 9 Triple Crown races and 12 Breeders' Cup races. He was once the leader for career Breeders' Cup wins though he was later surpassed as the events were expanded after he retired.
Pat Day retired in 2005 with 8,803 wins (ranked fourth all-time) and as the all-time leading jockey in money earned. He was a dominant rider on the Kentucky riding circuit and holds all of the career riding records at Churchill Downs and Keeneland. Day's signature wins include winning the inaugural $3 million Breeders' Cup Classic in 1984 aboard Wild Again and his partnership with Easy Goer in a rivalry with Sunday Silence.