 Jannik Sinner | |
 Haughey Siobhan Bernadette | |
| Irene Siragusa | |
 Emily Sisson | |
| Luca Sito | |
 Xie Siyi | Aquatics |
 Sarah Sjoestroem | |
| Sarah Sjöström | Aquatics |
| Magda Skarbonkiewicz | |
 Nanna Skodborg Merrald | Ecuestre |
 Neal Skupski | Tenis |
 Nicholas Sloman | |
| Aaron Small | |
 Yeldos Smetov | Judo |
 Traves Smikle | |
| Leah Smith | |
| Anabelle Smith | |
| Penny Smith | Tiro |
| Regan Smith | Aquatics |
 Rebecca Smith | |
| Brendon Smith | |
| Kieran Smith | Aquatics |
 Tatjana Smith | Aquatics |
| Nicholas Smith | |
| Austen Jewell Smith | Tiro |