John Garven Blackwood (26 August 1899 – c. 1979) was a rugby union player who represented Australia. Blackwood, a hooker, was born in Mona Vale, New South Wales and claimed a total of 21 international rugby caps for Australia. He was inducted into the Australian Rugby Union's Hall of Fame in 2015. References Australian rugby union players Australia international rugby union players 1899 births 1970s deaths Rugby union players from Sydney Rugby union hookers