2024 Zomer Olympische Spelen - Atleten
| Atleet | Sport |
|---|---|
 Yang Jiin | Schieten |
 Jo Jin Mi | Aquatics |
 Zou Jingyuan | Gymnastiek |
| Mi Jiujiang | |
 Carolina João | |
 Yemi Mary John | |
 Moesha Johnson | Aquatics |
 Alaysha Johnson | |
| Katarina Johnson-Thompson | Athletiek |
| David Johnston | |
| Katarina Johnston-Thompson | |
| Keaton Jones | |
| Jasmine Jones | |
| Omari Jones | Boksen |
 William Jones | |
| Jade Jones | |
| Ri Jong Sik | Tafeltennis |
| Lim Jonghoon | Tafeltennis |
| Lee Joonhwan | Judo |
 Emma Aastrand Jorgensen | Canoe/Kayak |
| Matteo Jorgenson | |
| Margo Joseph-Kuo | |
| Chris Joslin | |
| Grace Joyce | |
| Paul Juda | Gymnastiek |