Jack McCormack (rugby league)

John Charles 'Jack' McCormack (1904 – 16 July 1996) was an Australian rugby league player of the 1920s & 30s. A state representative fullback, he played with three different Sydney clubs in the New South Wales premiership competition.

A product of Penshurst, New South Wales, Jack McCormack played with St George Dragons for five years between 1927-1932. He played fullback in two losing grand finals with St. George in 1927 and 1930. Good form saw him selected to play three matches for New South Wales in 1931.

McCormack made seventeen appearances for South Sydney in the 1935 season and finished his career at Canterbury-Bankstown where he played between 1937 and 1939.

Jack McCormack died on 16 July 1996, aged 92.