Olimpiadas de Verano 2020 - Deportistas
| Deportista | Deporte |
|---|---|
 Song Jiayuan | Atletismo |
| Chen Jie | Aquatics |
| Dong Jie | Aquatics |
 Sutiya Jiewchaloemmit | Tiro |
| Huang Jieyi | Canoe/Kayak |
 Jihyun | |
 Joana Jimenez | Aquatics |
 Jordy Jiménez | Atletismo |
| Zhang Jin | Gimnasia |
| Ko Jin Young | Golf |
| Jung Jin-Hwa | Pentatlón Moderno |
| Oh Jin-Hyek | Tiro con arco |
| Jin-Uk | |
| Kim Jin-Ya | |
| Liu Jinchao | Remo |
| Liu Jing | |
| Li Jingjing | Remo |
| Yu Jingyao | Aquatics |
| Zou Jingyuan | Gimnasia |
| Jinhui | |
| Jinkyu | |
 Phee Jinq En | Aquatics |
| Jinqiu | |
| Hong Jinquan | Aquatics |
 Jan Jirka | Atletismo |