Olimpiadas de Verano 2020 - Deportistas
| Deportista | Deporte |
|---|---|
 Florin Arteni-Fintinariu | Remo |
 Eleni Artymata | Atletismo |
 Zorana Arunovic | Tiro |
 Man Asaad | Levantamiento de Pesas |
 Laura Asadauskaite | Pentatlón Moderno |
 Elçin Asadov | Ciclismo |
 Kasper Asgreen | Ciclismo |
 Dina Asher-Smith | Atletismo |
 Urara Ashikawa | Gimnasia |
 Maggy Ashmawy | Tiro |
 Aditi Ashok | Golf |
 Linoy Ashram | Gimnasia |
 Wu Ashun | Golf |
 Adem Asil | Gimnasia |
| Yigit Aslan | Aquatics |
 Yndiara Asp | Patineta |
 Dina Aspandiyarova | Tiro |
 Merdan Atayev | Aquatics |
 Sara Atcho | |
| Sam Atkin | Atletismo |
 Alia Atkinson | Aquatics |
 Jonathan Atsu | Aquatics |
| Atterupgaards Orthilia | |
 Stephanie Au | Aquatics |
 Felix Auböck | Aquatics |