Michael Ray Matz (born January 23, 1951 in Collegeville, Pennsylvania) is an American former Olympic equestrian team member, who was inducted into the show jumping Hall of Fame and is now a race horse trainer. He lives in Coatesville, Pennsylvania. As a trainer, he has scored two wins in the Classics, the 2012 Belmont Stakes (Union Rags) and the 2006 Kentucky Derby (Barbaro).