Atletas
| Athletes | Country | Sport | Modality |
| Aarik Wilson |  United States |
Athletics |
Triple jump - Men |
| Aaron Peirsol | United States |
Swimming |
200m backstroke - Men 100m backstroke - Men |
| Abdi Abdirahman | United States |
Athletics |
10,000m - Men |
| Abdi Abdirahman | United States |
Athletics |
N/A |
| Adam Craig | United States |
Cycling - Mountain Biking |
Mountain biking - Men |
| Adam Keul | United States |
Athletics |
N/A |
| Adam Nelson | United States |
Athletics |
Shot put - Men |
| Adam Wheeler | United States |
Wrestling - Greco-Roman |
84-96kg - Men |
| Adam Wright | United States |
Water Polo |
N/A |
| Adler Volmar | United States |
Judo |
Half-heavyweight (-100kg) - Men |
| Ag Kruger Iii | United States |
Athletics |
Hammer - Men |
| Alan Webb | United States |
Athletics |
N/A |
| Alex Krieger | United States |
Soccer |
N/A |
| Alexander Artemev | United States |
Artistic Gymnastics |
Rings - Men Floor - Men Parallel bars - Men All around team - Men Pommel horse - Men All-around individual - Men Horizontal bar - Men |
| Ali Bernard | United States |
Wrestling - Freestyle |
63-72kg - Women |
| Alice Schmidt | United States |
Athletics |
800m - Women |
| Alicia Sacramone | United States |
Artistic Gymnastics |
All-around individual - Women Horse vault - Women Balance beam - Women Floor - Women All around team - Women |
| Alison Gregorka | United States |
Water Polo |
N/A |
| Allison Schmitt | United States |
Swimming |
200m freestyle - Women |
| Allyson Felix | United States |
Athletics |
200m - Women |
| Aly Wagner | United States |
Soccer |
N/A |
| Amanda Beard | United States |
Swimming |
200m breaststroke - Women |
| Amanda Clark | United States |
Yachting |
class 470 - Women |
| Amber Campbell | United States |
Athletics |
Hammer - Women |
| Amber Neben | United States |
Cycling - Road |
In line race - Women |
| Amy Acuff | United States |
Athletics |
High jump - Women |
| Amy Rodriguez | United States |
Soccer |
N/A |
| Amy Tran | United States |
Field Hockey |
N/A |
| Amy Tryon | United States |
Equestrian - 3 Day Event |
Dressage - individual - Mixed Individual - Mixed Cross country - Individual - Mixed |
| Amy Yoder Begley | United States |
Athletics |
10,000m - Women |
| Andra Manson | United States |
Athletics |
High jump - Men |
| Andrea Duran | United States |
Softball |
N/A |
| Andrea Nott | United States |
Synchronised Swimming |
N/A |
| Andrew Campbell | United States |
Yachting |
Laser - Men |
| Andy Hrovat | United States |
Wrestling - Freestyle |
74-84kg - Men |
| Andy Wheating | United States |
Athletics |
N/A |
| Andy Wheating | United States |
Athletics |
800m - Men |
| Angela Hucles | United States |
Soccer |
N/A |
| Angela Williams | United States |
Athletics |
N/A |
| Angelo Taylor | United States |
Athletics |
400m hurdles - Men |
| Angie Loy | United States |
Field Hockey |
N/A |
| Anna Goodale | United States |
Rowing |
N/A |
| Anna Tunnicliffe | United States |
Yachting |
Laser Radial - Women |
| Anna Willard | United States |
Athletics |
3000m steeplechase - Women |
| Annabelle Orme | United States |
Synchronised Swimming |
N/A |
| Anne Cummins | United States |
Rowing |
N/A |
| Anne Cummins | United States |
Rowing |
N/A |
| Anne Kursinski | United States |
Equestrian - Showjumping |
N/A |
| Anthony Famiglietti | United States |
Athletics |
3000m steeplechase - Men |
| April Steiner-Bennett | United States |
Athletics |
Pole vault - Women |
| Aretha Thurmond | United States |
Athletics |
Discus - Women |
| Ariel Rittenhouse | United States |
Diving |
N/A |
| Aries Merritt | United States |
Athletics |
N/A |
| Austin Sperry | United States |
Yachting |
Class Star - Men |