George Treweek (31 March 1905 – 28 October 1991) was an Australian rugby league footballer who played in the 1920s and 1930s.

He was a towering second-row in his time, who formed an integral part of the champion South Sydney teams of the 1920s and early 1930s.

Starting out as a fullback in the lower grades at the Mascot Juniors RLFC, Treweek was moved into the second-row upon reaching first grade and won five premierships with South Sydney, captaining the side in the 1931 and 1932 premiership victories.

He was selected to go on the 1929–30 Kangaroo tour of Great Britain, playing in four tests and 22 games in all and scoring six tries.

[5][6] In 2010, Treweek was named as captain in the Mascot Juniors RLFC Team of the Century.