 Kim Sei-Young | Golf |
 Laraiba Seibou | Aquatics |
 Robin Seidl | Volleybal |
 Sebastian Seidl | Judo |
 Mart Seim | Gewichtheffen |
| Elisabeth Seitz | Gymnastiek |
 Barbara Seixas Figueiredo | Volleybal |
 Hanami Sekine | Athletiek |
 Dudi Sela | Tennis |
 Tsholofelo Selemela Thipe | Athletiek |
 Albert Selimov | Boksen |
 Tsepang Sello | Athletiek |
| Maria Selmaier | Worstelen |
 Erika Seltenreich-Hodgson | Aquatics |
 Stefano Selva | Schieten |
 Sergey Semenov | Worstelen |
| Konstantin Semenov | Volleybal |
 Oleksiy Semenov | Athletiek |
| Natalya Semenova | Athletiek |
| Caster Semenya | Athletiek |
| Maksym Semiankiv | Gymnastiek |
 Darya Semyonova | Aquatics |
 Qiao Sen | Taekwondo |
 Zinaida Sendriute | Athletiek |
 Amy Séné | Athletiek |