 Kentaro Sato | Athletiek |
| Eiken Sato | Ruiter |
| Ayano Sato | Canoe/Kayak |
| Shoma Sato | Aquatics |
 Francisco Saubidet Birkner | Zeilen |
 Martin Sauer | Roeien |
 Callum Saunders | Wielrennen |
 Jacob Saunders | Zeilen |
 Raven Saunders | Athletiek |
 Chaudhary Saurabh | Schieten |
 Chloe Marie Helene Sauvourel | Aquatics |
| Katerine Savard | Aquatics |
 Anastasiya Savchuk | Aquatics |
 Luke Saville | Tennis |
 Nina Savina | Athletiek |
 Alexander Savkin | Moderne Vijfkamp |
 Nazli Savranbasi | Gymnastiek |
 Benjamin Savsek | Canoe/Kayak |
| Tejaswini Sawant | Schieten |
 Mathew Sawe | Athletiek |
 Jazmin Sawyers | Athletiek |
| Mohamed Sbihi | Roeien |
| Laetisha Scanlan | Schieten |
 Tilali Scanlan | Aquatics |
| Garrett Scantling | Athletiek |