Olimpiadas de Verano 2020 - Deportistas
| Deportista | Deporte |
|---|---|
 Gurpreet Singh | Atletismo |
| Arvind Singh | Remo |
 Katerina Siniaková | Tenis |
 Martin Sinkovic | Remo |
| Valent Sinkovic | Remo |
 Sir Donnerhall Ii Old | |
 Irene Siragusa | Atletismo |
 Evaldas Siskevicius | Ciclismo |
 Fodé Sissoko | Atletismo |
 Emily Sisson | Atletismo |
 Oleksandr Sitkovskyy | Atletismo |
 Zheng Siwei | Bádminton |
| Miao Siwen | |
| Christopher Six | Ecuestre |
| Xie Siyi | Aquatics |
| Siyu | |
 Sarah Sjöström | Aquatics |
 Monika Skachova | Canoe/Kayak |
| Jitka Skarnitzlová | Ciclismo |
 Marianne Skarpnord | |
 Jakub Skierka | Aquatics |
| Mykayla Skinner | Gimnasia |
| Agnieszka Skrzypulec | Vela |
| Pia Skrzyszowska | Atletismo |
 Toms Skujinš | Ciclismo |