Ramon A. Dominguez (born November 24, 1976 in Caracas, Venezuela) is a Champion jockey in American Thoroughbred horse racing.

Dominguez began riding horses at age 16 in his nativeVenezuela in show jumping then turned to riding thoroughbreds in flat racing events. He emigrated to the United States where he began riding at Florida's Hialeah Park Race Track in 1996.

In 2001 and 2003 he was the winningest jockey in the U.S. and won the 2004 Isaac Murphy Award for having the highest winning percentage. In the 2006 Kentucky Derby, Dominguez rode Bluegrass Cat to a second place finish behind Barbaro. In March 2006 and again in January 2007, he rode five winners from eight mounts at Aqueduct Racetrack.