George Vincent McWilliam (3 February 1878 – 21 May 1968) was an Australian rules footballer who played with Fitzroy in the Victorian Football League (VFL).
Educated at Geelong College, McWilliam was a member of the 1st Football Teams of 1893 and 1894 and the 1st Cricket Team of 1893. He married Eva Marie Moroni in 1900 and became a chemist, initially living in Williamstown. They moved to Eaglehawk around 1903 and George quickly became a leading footballer in the Bendigo district and captain of the Eaglehawk team. In 1907 he was recruited by Fitzroy and played a total of 18 games for them. He later returned to Eaglehawk, playing with them until he left the district in 1915.
McWilliam enlisted to serve in World War I on 23 July 1915, aged 37. He embarked from Melbourne on HMAT A42 Boorara for Egypt on 10 May 1917 and served as a Staff Sergeant with the Australian Camel Brigade Field Ambulance.
After his return to Australia he worked and lived in Ascot Vale for many years until his death in 1968.