Ronald D. Ardoin (born June 13, 1957 in Carencro, Louisiana) is a retired jockey in American Thoroughbred horse racing.
He is one of a number of successful Cajun jockeys who began their careers riding in bush track races in Louisiana.
Ardoin also won a riding title at Lone Star Park in Grand Prairie, Texas.
That win led to riding Zarb's Magic to a thirteenth place result in the 1996 Kentucky Derby.
On August 20, 2000, Ron Ardoin became the 16th jockey in North America to win 5,000 races when he rode Heart of an Angel to victory at Louisiana Downs.