2018 Winter Olympics - Athletes
| Athlete | Sport |
|---|---|
 Olivier Jenot | Skiing |
 Jessika Jenson | Skiing |
 Barbara Jezersek | Skiing |
 Mun Ji-Hee | Biathlon |
| Kim Ji-Hyon | Skiing |
| Park Ji-Woo | Skating |
 Hao Jiachen | Skating |
| Tang Jialin | Biathlon |
| Jin Jian | Bobsleigh |
| Xie Jiaxuan | Skating |
| Liu Jiayu | Skiing |
| Wang Jin | Skiing |
| Park Jin-Yong | Luge |
| Yu Jing | Skating |
| Liu Jing | Skating |
| Li Jinyu | Skating |
 Jessica Jislová | Biathlon |
| Kim Jisoo | Bobsleigh |
| Tim Jitloff | Skiing |
 Stephanie Joffroy | Skiing |
 Anna Lotta Jogeva | Skiing |
 Robert Johansson | Skiing |
| Allan Dahl Johansson | Skating |
 Knute Johnsgaard | Skiing |
| Tess Johnson | Skiing |