Through the 2008 Games in Beijing, no.
Australia has won 4 medals in boxing at the Olympics (1 silver and 3 bronze).
1) Kevin Hogarth - bronze in welterweight class at the 1956 Games in Melbourne.
2) Tony Madigan - bronze in light-heavyweight class at the 1960 Games in Rome.
3) Ollie Taylor - bronze in bantamweight class at the 1960 Games in Rome.
4) Grahame Cheney - silver in light-welterweight class at the 1988 Games in Seoul.
Cuba was the country that won the gold medal in the Men's Light Heavyweight Boxing event at the Rio 2016 Olympics.
Cuba won the gold medal
Cuba won the gold medal
Aussie had won 117 gold medals in the Summer Olympics.
Women's boxing was not an Olympic event until 2012.
The gold medal in the Men's Lightweight Boxing event at the Rio 2016 Olympics went to Robson Canceicao.
The gold medal winner in the Men's Welterweight Boxing event at the Rio 2016 Olympics was Daniyar Yeleussinov.
The gold medal in the Men's Heavyweight Boxing event at the Rio 2016 Olympics went to Evgeny Tishchenko.
Robeisy Ramirez of Cuba won the gold medal
Arlen Lopez of Cuba won the gold medal
France won the Gold medal
Great Britain won the gold medal