Ian R. Wilkes (born May 25, 1965 in Muswellbrook, New South Wales, Australia) is a trainer in American Thoroughbred horse racing. He worked for leading Australian trainer Colin Hayes before taking a job in 1990 with trainer Carl Nafzger in the United States. Now a resident of Louisville, Kentucky and training on his own, Wilkes earned his first Grade 1 win with in the 2009 King's Bishop Stakes at Saratoga Race Course. Brothers with Australian NSW Horse Trainer Wayne Wilkes and uncle of Corinne Wilkes.