Arthur D'Arcy "Bobby" Locke (20 November 1917 – 9 March 1987) was a South African professional golfer. He is generally regarded as one of the greatest golfers of all time. He won The Open Championship four times and 15 PGA Tour events in total. In addition, he was a prolific tournament winner in South Africa, ultimately recording over 50 significant victories in his home country, including the South African Open nine times.
