2020 Zomer Olympische Spelen - Atleten
| Atleet | Sport |
|---|---|
 Song Jiayuan | Athletiek |
| Dong Jie | Aquatics |
| Chen Jie | Aquatics |
 Sutiya Jiewchaloemmit | Schieten |
| Huang Jieyi | Canoe/Kayak |
 Jihyun | |
 Joana Jimenez | Aquatics |
 Jordy Jiménez | Athletiek |
| Zhang Jin | Gymnastiek |
| Ko Jin Young | Golf |
| Jung Jin-Hwa | Moderne Vijfkamp |
| Oh Jin-Hyek | Boogschieten |
| Jin-Uk | |
| Kim Jin-Ya | |
| Liu Jinchao | Roeien |
| Liu Jing | |
| Li Jingjing | Roeien |
| Yu Jingyao | Aquatics |
| Zou Jingyuan | Gymnastiek |
| Jinhui | |
| Jinkyu | |
 Phee Jinq En | Aquatics |
| Jinqiu | |
| Hong Jinquan | Aquatics |
 Jan Jirka | Athletiek |