USA under Sommer-OL 2012

USA deltok under Sommer-OL 2012 i London som ble arrangert i perioden 27. juli til 12. august 2012.
Femhundretrettini utøvere deltok i tjuefem sporter, det vil si alle unntatt håndball. Det var tjuesjette gangen USA deltok i et sommer-OL, de har deltatt i alle unntatt OL 1980 i Moskva. USA ble beste nasjon med førtiseks gull-, tjueni sølv- og tjueni bronsemedaljer. Fekteren Mariel Zagunis var landets flaggbærer under åpningsseremonien.

Medaljer

Medaljevinnerne

Badminton

The United States will be represented in two out of the five badminton events: men's doubles and women's singles. No American has ever medaled in badminton since it became an Olympic sport in 1992.

Basketball

The United States has qualified both a men's and a women's team.

 Men's team event – 1 team of 12 players
 Women's team event – 1 team of 12 players

Menn

The United States men's team's group stage game against Nigeria set new Olympic records for most points scored in a half (78, set in the first half and equaled in the second) and for a full game (156).

Kvinner

Boksing

The United States has qualified boxers for the following events:

Menn

* – Spence initially lost the bout 11–13 but successfully appealed on the grounds that the referee called too few cautions for holding fouls and Spence should have been awarded at least four more points

Kvinner

Bordtennis

The United States has qualified three individual athletes, one man and two women, and a women's team.

Bryting

The United States has qualified wrestlers in all events except the 96 kg Greco-Roman classification.

Key:
  - Victory by Fall.
  - Decision by Points - the loser with technical points.
  - Decision by Points - the loser without technical points.

Fristil menn

Gresk-romersk stil menn

Fristil kvinner

Bueskyting

The United States has qualified three archers for the men's individual event, three archers for the women's individual event and teams for both the men's team event and women's team event.

Menn

Kvinner

Fekting

The United States has qualified 20 fencers to compete in all fencing events.

Menn

Kvinner

Fotball

The United States has qualified a women's soccer team after finishing in first place at the 2012 CONCACAF Women's Olympic Qualifying Tournament.

Kvinner

Friidrett

American athletes have the qualifying standards in the following track and field events (up to a maximum of 3 athletes in each event at the 'A' Standard, and 1 at the 'B' Standard): The team was selected based on the results of the 2012 United States Olympic Trials.

Key
 Note–Ranks given for track events are within the athlete's heat only
 Q = Qualified for the next round
 q = Qualified for the next round as a fastest loser or, in field events, by position without achieving the qualifying target
 NR = National record
 N/A = Round not applicable for the event
 Bye = Athlete not required to compete in round

Menn
Løpsøvelser

Tekniske øvelser

Tikamp 

Kvinner
Løpsøvelser

Tekniske øvelser

Sjukamp

Hestesport

The United States has qualified teams in the dressage and eventing team competitions. and also qualified a team in the jumping team competition.

They have also qualified 4 athletes in the individual dressage competition, 5 athletes in the individual eventing competition, and 4 athletes in the individual jumping competition.

Dressur

Feltritt

Sprangridning

Judo

The United States has qualified three men and two women.

Landhockey

The United States has qualified a women's team for the London Games by winning the 2011 Pan American Games. The men's team failed to qualify.

Kvinner

Moderne femkamp

The United States has qualified three athletes to compete in the modern pentathlon event. Dennis Bowsher and Margaux Isaksen have qualified through the 2011 Pan American Games.

Padling

Slalåm

United States has qualified boats for the following events

Flatvann
The United States has qualified boats in three out of twelve sprint events, one men's and one women's. The United States has not medaled in Olympic sprint canoeing since 1992.

Qualification Legend: Q = Qualify to semi-final on position in heat; q = Qualify to semi-final on time; FA = Qualify to final (medal); FB = Qualify to non-final (medal)

Roing

The United States has qualified the following boats.

Menn

Kvinner

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

Seiling

The United States has qualified one boat for each of the following events.

Menn

Kvinner
Fleet racing

Match racing

* – Classification races for 5th through 8th place were cancelled due to lack of wind and round robin standings were used to determine ranks.

Åpen klasse

BFD = Black flag disqualification; EL = Eliminated – Gikk ikke videre to medal race; M = Medal race; OCS = On course side of start line at starting signal;

Skyting

The United States has qualified twenty athletes to compete in thirteen shooting events.

Menn

Kvinner

Stuping

The United States has qualified for eight individual diving spots at the 2012 Olympic Games. 

3 US synchronized diving teams qualified through the 2012 FINA Diving World Cup and the rest of the divers qualified for the Olympics through the 2012 U.S. Olympic Trials for diving.

Menn

Kvinner

Svømming

U.S. swimmers have qualifying standards in the following events (up to a maximum of 2 swimmers in each event at the Olympic Qualifying Time (OQT), and 1 at the Olympic Selection Time (OST)): Swimmers qualified at the 2012 U.S. Olympic Trials (for pool events).

The U.S. swimming team consists of 49 swimmers (24 men and 25 women).  The oldest swimmer on the team is Jason Lezak at 36-years-old, and the youngest is Katie Ledecky at 15-years-old.  The only siblings on the swim team are Haley Anderson and Alyssa Anderson.  USA Swimming named Brendan Hansen, Natalie Coughlin, Peter Vanderkaay, Rebecca Soni, and Lezak as the team's captains.

Menn

Qualifiers for the latter rounds (Q) of all events were decided on a time only basis, therefore positions shown are overall results versus competitors in all heats.

Kvinner

Qualifiers for the latter rounds (Q) of all events were decided on a time only basis, therefore positions shown are overall results versus competitors in all heats.

* – Indicates athlete swam in the preliminaries but not in the final race.

Sykling

United States has so far qualified cyclists for the following events

Landevei

Menn

Kvinner

Banesykling

Sprint

Forfølgelse

Omnium

Terrengsykling

BMX

Synkronsvømming

United States has qualified 1 duet in synchronized swimming.

Taekwondo

The United States has qualified 2 men and 2 women.

Tennis

The United States Tennis Association nominated six male and six female tennis players to compete in the tennis tournament.

Menn

Kvinner

Mixed

Triatlon

The United States qualified two men and three women to compete in the triathlon event.

Turn

Apparatturn
Menn
Lag

Individuelt

Kvinner
Lag

Individuelt

*Aliya Mustafina and Aly Raisman finished with the same total score of 59.566. In the case of a tie, the sum of the three highest apparatus scores is used. These sums were 45.933 for Mustafina and 45.366 for Raisman (both dropping their Beam score), earning Mustafina the bronze medal.

Rytmisk

The United States has qualified one athlete for the individual all-around competition.

Trampoline
The United States has qualified one man and one woman gymnast for the trampoline competition.

Vannpolo

The United States has qualified both men's and women's teams by winning the water polo event at the 2011 Pan American Games.

Menn

Kvinner

Vektløfting

The United States has qualified three athletes.

Volleyball

Sandvolleyball

Innendørs

United States has qualified both a men's and women's team for the indoor tournaments.

Menn

Kvinner

Referanser 

Nasjoner under Sommer-OL 2012
USA under de olympiske leker
Sommer-OL