David Macpherson (born 3 July 1967) is a former professional male tennis player on the ATP Tour. He is the current coach of John Isner and the former coach of Bob and Mike Bryan. A product of player and coach, Tony Roche's junior tennis academy, he played lefthanded and turned professional in 1985. As a junior player Macpherson was one of Australia's top prospects in his peer group, reaching the U.S. Open Junior Doubles Tournament finals in 1983 and winning the Australia Open Junior Doubles title in 1985 (with Brett Custer).