Rick Duff (born June 21, 1964 in Camrose, Alberta) is a retired boxer from Canada, who competed for his country as a middleweight (– 75 kg) at the 1984 Summer Olympics in Los Angeles, California. He defeated the Australian Brendon Cannon in the first round, but was defeated in the second round of the men's division by South Korea's eventual gold medalist Shin Joon-Sup.