David Andrew Hayes (born 22 October 1962) is an Australian Thoroughbred racehorse trainer who has total of 95 Group One wins in his name, (77 in Australia, 17 in Hong Kong and one in Japan) including winner of the Melbourne Cup, Cox Plate, Caulfield Cup and Golden Slipper. Hayes became the youngest member to be admitted into the Australian Racing Hall of Fame in 2008. He has trained in excess of 4,000 winners. David Hayes is currently training in Hong Kong.