2024 Zomer Olympische Spelen - Atleten
| Atleet | Sport |
|---|---|
 Nicola Olyslagers | Athletiek |
 Eugene Omalla | Athletiek |
 Stefano Oppo | Roeien |
 Nurbek Oralbay | Boksen |
 Delicious Orie | |
 Keturah Orji | |
| Luca Orlando | |
| Marcus Orlob | |
 Luis Alberto Orta Sanchez | Worstelen |
 Svetlana Osipova | Taekwondo |
 Adil Osmanov | Judo |
 Camila Osorio | Tennis |
| Honey Osrin | |
 Alana Ostaev | |
 Morgane Osyssek-Reimer | |
 Dolgorjav Otgonjargal | Worstelen |
| Payton Otterdahl | |
| Sofiane Oumiha | Boksen |
 Nonoka Ozaki | Worstelen |
 Kayra Ozdemir | Judo |
| Bryony Page | Gymnastiek |
 Angie Paola Palacios Dajomes | Gewichtheffen |
| Lani Pallister | Aquatics |
| Krysta Palmer | |
| Keegan Palmer | Skateboarden |