John "Jock" Fahey (22 October 1911 – 27 June 1936) was an Australian rules footballer who played with South Melbourne in the Victorian Football League (VFL).Fahey came to South Melbourne from Murray Football League club Numurkah. He made 12 games appearances in 1932, his debut season, which included a semi-final. In 1933, a premiership year for South Melbourne, Fahey played six games. He played 13 games in 1934 but missed the finals series after he scalded his foot at work.