John Chandler Harper (March 10, 1914 - November 8, 2004) was an American professional golfer, best known for winning the PGA Championship in 1950. He won seven times on the PGA Tour and played in the Ryder Cup in 1955.
Harper was born, raised and lived his entire life in Portsmouth, Virginia. He was prominent in Virginia golf, winning the Virginia State Amateur three times (1930, 1932, 1934) and the Virginia State Open nine times (1932, 1938, 1940, 1941, 1952, 1960, 1967, 1968, 1970), a record which stands today. His golfing career was interrupted by service in the U.S. Navy during World War II.