Jack Ellis Young (31 January 1925 in Adelaide, South Australia – 28 August 1987 in Adelaide) was a Motorcycle speedway rider who won the Speedway World Championship in 1951 and 1952.
He also won the London Riders' Championship 1953 and 1954 and was a nine time South Australian Champion between 1948 and 1964.By winning the 1951 and 1952 World Championships, Young became the first Australian to win two World Championships in any form of motorsport.