Horace Henry Alfred "Ossie" Pickworth (17 January 1918 – 23 September 1969) was a leading Australian professional golfer of the 1940s and 1950s, winner of three successive Australian Open titles from 1946 to 1948, the last of which came in a playoff against Jim Ferrier. Pickworth was born in Sydney. Pickworth would collect a fourth Australian Open title in 1954, and was also a three-time winner of the Australian PGA Championship, in 1947, 1953 and 1955, among numerous professional victories on the Australian circuit.