Success Express (foaled February 25, 1985 in Kentucky – 24 April 2015) was an American Thoroughbred racehorse.
Success Express was a bay horse bred by Tri Star Stable.
The colt capped off his year with his only Graded Stakes win under jockey José A. Santos in the 1987 Breeders' Cup Juvenile at Hollywood Park Racetrack.
Success Express was winless in nine starts at age three with his best result a second in the Grade II Bay Shore Stakes at Aqueduct Racetrack.
In 1989, Success Express was retired to stud in Australia and spent two seasons in New Zealand between 1991 and 1993.