Michelle Dillon (born 24 May 1973 in Wembley, England) is a British triathlete.Dillon's first Olympic triathlon was at the 2000 Summer Olympics. She was one of the three British athletes, along with Sian Brice and Andrew Johns, not to finish the competition. Four years later, at the 2004 Summer Olympics, Dillon finished in sixth place with a time of 2:06:00.77.