2020 Zomer Olympische Spelen - Atleten
| Atleet | Sport |
|---|---|
 Barbora Seemanova | Aquatics |
| Jan Sefl | Aquatics |
 Kazumasa Segawa | Zeilen |
 Janja Segel | Aquatics |
 Ma Segeon | Schermen |
 Clemente Seguel | Zeilen |
| An Sehyeon | Aquatics |
| Kim Sei-Young | Golf |
 Molly Seidel | Athletiek |
 Phillip Seidler | Aquatics |
 Bernhard Seifert | Athletiek |
 Seigneur Medicott | |
| Nathaniel Seiler | Athletiek |
| Elisabeth Seitz | Gymnastiek |
 Fabian Sejanes | Ruiter |
| Kaiya Seki | Aquatics |
 Malak Selim | Gymnastiek |
| Andrew Seliskar | Aquatics |
| Manuel Selman | Surfen |
| Kenneth Selmon | Athletiek |
 Mugurel Vasile Semciuc | Roeien |
 Natalya Semenova | Athletiek |
 Darya Semyonova | Aquatics |
 Sahin Senoduncu | Athletiek |
| Yeo Seojeong | Gymnastiek |