Olimpiadas de Invierno 2018 - Deportistas
| Deportista | Deporte |
|---|---|
 Olivier Jenot | Skiing |
 Jessika Jenson | Skiing |
 Barbara Jezersek | Skiing |
 Mun Ji-Hee | Biatlón |
| Kim Ji-Hyon | Skiing |
| Park Ji-Woo | Patinadores |
 Hao Jiachen | Patinadores |
| Tang Jialin | Biatlón |
| Jin Jian | Bobsleigh |
| Xie Jiaxuan | Patinadores |
| Liu Jiayu | Skiing |
| Wang Jin | Skiing |
| Park Jin-Yong | Luge |
| Yu Jing | Patinadores |
| Liu Jing | Patinadores |
| Li Jinyu | Patinadores |
 Jessica Jislová | Biatlón |
| Kim Jisoo | Bobsleigh |
| Tim Jitloff | Skiing |
 Stephanie Joffroy | Skiing |
 Anna Lotta Jogeva | Skiing |
 Allan Dahl Johansson | Patinadores |
| Robert Johansson | Skiing |
 Knute Johnsgaard | Skiing |
| Tess Johnson | Skiing |