Giacomo (horse)
 Giacomo (foaled February 16 2002 Kentucky) is a Thoroughbred stallion race horse trained by John Shirreffs who is perhaps best known for winning the 2005 Kentucky Derby in 2:02.75. At odds of 50–1 Giacomo stands as tied with Mine That Bird in 2009 for the second-biggest longshot ever to win the Derby trailing only Donerail who went off at 91–1 in 1913.Giacomo's owner received a first-place check of $1639600 for the victory the largest in Kentucky Derby history.Mike E.