Australia at the 2012 Summer Olympics

• – Indicates the athlete competed in preliminaries but not the final relay. ==Delegation==

The Australian Olympic Committee selected a team of 410 athletes, 224 men and 186 women, to compete in 23 sports; it was the nation's fifth largest team sent to the Olympics, but the smallest since the 1992 Summer Olympics in Barcelona. Former Olympic rowing champion Nick Green served as Australia's chef de mission. Basketball player Lauren Jackson, who led her team by winning the silver medal in her three consecutive Olympics, became Australia's first female flag bearer at the opening ceremony since 1992. Australia did not qualify teams in football, women's indoor volleyball, handball and fencing. There was only a single competitor in men's artistic gymnastics, rhythmic and trampoline gymnastics, and wrestling. Athletics was the nation's largest team by sport, with a total of 52 competitors. The following is the list of number of competitors participating in the Games. Note that reserves in fencing, field hockey, football, and handball are not counted as athletes: ==Archery==

Australia qualified two archers. == Athletics==

Australia sent its second largest team from the track and field to the Olympics outside the host nation. A total of 52 track and field athletes were selected to the team, after having achieved the required qualifying standards in their respective events (up to a maximum of three athletes in each event at the "A" standard, and one at the "B" standard). Pole vaulter, defending Olympic champion, and current Olympic record holder Steve Hooker was appointed as the team captain; however, he missed out of the medal standings and lost his Olympic record to France's Renaud Lavillenie, after failing to clear the height in the finals. Australia left London with a total of three track and field medals at the Olympics. Sprint hurdler and pre-Olympic favorite Sally Pearson became the first woman to win the nation's gold medal in the track and field since Cathy Freeman in 2000. Long jumper Mitchell Watt, competing at his first Olympics, became the fourth man to claim the silver medal in that event. Jared Tallent was initially presented with the silver medal for the men's 50 km race walk, matching the silver medal he won four years earlier in Beijing, but he was subsequently awarded the gold medal for the London event after Russia's Sergey Kirdyapkin was stripped of his first-place finish after being found guilty of doping. Tallent was presented with his gold medal for the London race at a ceremony held in Melbourne on 17 June 2016. ;Men ;Track & road events • Note: Tim Leathart was selected in the team for the men's 4 × 100 metres relay, but did not compete. ;Field events ;Women ;Track & road events ;Field events == Badminton==

• Meiliana Jauhari and Greysia Polii initially qualified in the quarterfinal round, but they were disqualified after being found guilty of "not using best efforts" and "conducting oneself in a manner that is clearly abusive or detrimental to the sport" by playing to lose matches in order to manipulate the draw for the knockout stage. ==Basketball==

Australia qualified a men's and a women's team. • Men's team event – one team of 12 players • Women's team event – one team of 12 players Men's tournament ;Roster ;Group play ---- ---- ---- ---- ;Quarter-final Women's tournament ;Roster ;Group play ---- ---- ---- ---- ;Quarter-final ;Semi-final ;Bronze medal ==Boxing==

Australia qualified boxers for all of the weight categories in the men's event and one in the women's event. ;Men ;Women ==Canoeing==

Slalom Australia qualified boats for the following events. competing in the Women's K-1 canoe slalom semi-final. Sprint Australia qualified boats for the following events. ;Men ;Women Qualification Legend: FA = Qualify to final (medal); FB = Qualify to final B (non-medal) == Cycling==

Australia qualified cyclists for the following events Road The Australian men's road cycling team consisted of Stuart O'Grady, Cadel Evans, Michael Rogers, Simon Gerrans and Matthew Goss while the women's team was Shara Gillow, Chloe Hosking and Amanda Spratt. ;Men ;Women Track ;Sprint ;Team sprint ;Pursuit • Note: Alex Edmondson was named on the men's team pursuit squad but did not compete. ;Keirin ;Omnium Mountain biking BMX == Diving==

failed to defend his 2008 gold medal in the men's 10 metre platform event. ;Men ;Women ==Equestrian==

Australia qualified a team for the show jumping event based on their performance at the 2010 World Equestrian Games. Australia also qualified a team in dressage and eventing. Dressage Eventing , in his seventh Olympic Games, and Rutherglen competing in the cross-country discipline of the eventing. Show jumping ==Field hockey==

Australia qualified a men's and a women's team. Each team had 16 athletes with two reserves. Men's tournament ;Roster ;Group play Australia was in Pool A of the men's tournament. ---- ---- ---- ---- ;Semi-final ;Bronze medal Women's tournament ;Roster ;Group play Australia was in Pool B of the women's competition. ---- ---- ---- ---- ;5th/6th place ==Gymnastics==

Artistic Australia qualified a women's team and an individual man. ;Men ;Women ;Team ;Individual finals Rhythmic Australia qualified one woman. Trampoline Australia qualified one male athlete. == Judo==

Australia qualified six judokas, five men and one woman. ;Men ;Women == Modern pentathlon==

Based on their results at the 2011 Asian/Oceania Championships Edward Fernon and Chloe Esposito have qualified for modern pentathlon events in London. == Rowing==

Australia qualified 13 boats and 46 athletes. ;Men . rowing to bronze. ;Women Qualification Legend: FA=Final A (medal); FB=Final B (non-medal); FC=Final C (non-medal); FD=Final D (non-medal); FE=Final E (non-medal); FF=Final F (non-medal); SA/B=Semifinals A/B; SC/D=Semifinals C/D; SE/F=Semifinals E/F; QF=Quarterfinals; R=Repechage == Sailing==

Australia qualified 1 boat for each of the following events ;Men ;Women ;Fleet racing ;Match racing M = Medal race; EL = Eliminated – did not advance into the medal race ==Shooting==

Australia qualified the following shooters. ;Men ;Women ==Swimming==

Australia entered swimmers in most events, after having achieved the qualifying standards (up to a maximum of two swimmers in each event at the Olympic Qualifying Time (OQT), and one at the Olympic Selection Time (OST)). 47 swimmers were selected to the team after the 2012 Australian Swimming Championships, held in Adelaide from 15 to 22 March 2012. The Australian swimmers included the pre-Olympic favorite James Magnussen, competing in four of his individual and relay events, defending champion Stephanie Rice in the individual medley events, and breaststroker and former world-record holder Leisel Jones, who was at her fourth Olympics. Australia left London with 10 swimming medals, one gold, six silver, and three bronze. The only gold medal was awarded to the women's 4 × 100 metres freestyle relay team. Swimmer Alicia Coutts became the nation's only female athlete to win five Olympic medals, including two from her individual events. Backstroker Emily Seebohm, on the other hand, broke a new Olympic record during the heats in the women's 100 m backstroke event, but managed to settle for silver in the finals. Jones and Rice qualified successfully for the final rounds of their respective individual events, but missed out of the medal standings. Magnussen, however, made a disappointing finish in all of his events, after winning only the silver medal in men's 100 m freestyle, behind U.S. swimmer Nathan Adrian, and the bronze in the men's 4 × 100 metres medley relay event. ;Men ;Women ==Synchronised swimming==

Australia qualified a duet and a team, for a total of nine athletes. ==Table tennis==