Tri Nations Series champion is the title given to the rugby union nation that finishes at the top of competition table of the annual Tri Nations Series. The Bledisloe Cup, an Australian-New Zealand trophy is also awarded within the series.

The Australia national rugby union team, nicknamed the Wallabies, is the representative national team in the sport of rugby union for the nation of Australia. The team first played at Sydney in 1899, winning their first test match against the touring British Isles team.