2018 Winter Olympics - Athletes
| Athlete | Sport |
|---|---|
 Breezy Johnson | Skiing |
 Nathan Johnstone | Skiing |
 Elsa Guðrún Jónsdóttir | Skiing |
 Hyong-Jun Joo | Skating |
 Selina Jörg | Skiing |
| Chase Josey | Skiing |
 Richard Jouve | Skiing |
 Kim Ju Sik | Skating |
| Jung Ju-Mi | Biathlon |
| Kim Jun-Ho | Skating |
| Cha Jun-Hwan | Skating |
| Andy Jung | Skating |
| Seo Jung-Hwa | Skiing |
| Jun Jung-Lin | Bobsleigh |
| Cho Jung-Myung | Luge |
 Klaus Jungbluth | Skiing |
| Axel Jungk | Bobsleigh |
 Gilmore Junio | Skating |
 Martti Jylhä | Skiing |
 Daniela Kadeva | Biathlon |
 Natalia Kaliszek | Skating |
 Charlotte Kalla | Skiing |
 Akmarzhan Kalmurzayeva | Skiing |
 Peteris Kalnins | Luge |
 Shione Kaminaga | Skating |