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