José Antonio Vélez Jr. (born March 23, 1963, in Santurce, Puerto Rico) is a jockey who competes in American Thoroughbred horse races.
Velez was inducted into the Calder Race Course Hall of Fame in 1997.
He rode Sei Me to a runner-up performance in the $6 million Dubai World Cup in 2002.
That year he won 10 stakes races at Monmouth Park, including the Philip H. Iselin Breeders' Cup Handicap, a race he won again in 2005.
In 2003, Velez won the Grade 1 United Nations Handicap aboard Balto Star and the Grade 3 Salvator Mile Handicap atop Vinemeister.