|Born||March 7, 1983|
|Career wins||168+: 101+ North America 67+ UK (ongoing) as of November 29, 2015|
|Major racing wins|
|USA Graded Stakes Wins:|
Sunland Derby (2015)
Henry II Stakes (2008)
|Firing Line, Dubawi Heights, Abel Tasman, Byrama, Belle Royale, Slim Shadey, Fashion Plate, Finalmente|
Simon Anthony Callaghan (born March 7, 1983 in Cambridge, England) is a trainer of Thoroughbred racehorse who moved to the United States in 2009, where he established a racing stable at Santa Anita Park. 
Callaghan's father Neville, was a racehorse trainer at Newmarket, where Callaghan got his start assisting his father in various aspects of training. Neville Callaghan trained for thirty-seven years before retiring in 2007, with his best horse probably being Danehill Dancer.
- "Horse Racing - Horse Racing Entries - Horse Racing Results - Past Performances - Mobile - Statistics". equibase.com.
- "Trainer Simon Callaghan | Record By Race Type | Racing Post". Racing Post. Retrieved 2015-05-17. CS1 maint: discouraged parameter (link)
- "Simon Callaghan - America's Best Racing. The Jockey Club". americasbestracing.net. Retrieved 2015-05-16. CS1 maint: discouraged parameter (link)
- "Breeders' Cup Turf Division" (PDF). Breeders' Cup Limited, page 81. 2011-11-05. Retrieved 2019-05-06. CS1 maint: discouraged parameter (link)
- Peter Thomas (20 November 2007). "The big interview Neville Callaghan". Racing Post.