Olimpiadas de Invierno 2018 - Deportistas
| Deportista | Deporte |
|---|---|
 Breezy Johnson | Skiing |
 Nathan Johnstone | Skiing |
 Elsa Guðrún Jónsdóttir | Skiing |
 Hyong-Jun Joo | Patinadores |
 Selina Jörg | Skiing |
| Chase Josey | Skiing |
 Richard Jouve | Skiing |
 Kim Ju Sik | Patinadores |
| Jung Ju-Mi | Biatlón |
| Kim Jun-Ho | Patinadores |
| Cha Jun-Hwan | Patinadores |
| Andy Jung | Patinadores |
| Seo Jung-Hwa | Skiing |
| Jun Jung-Lin | Bobsleigh |
| Cho Jung-Myung | Luge |
 Klaus Jungbluth | Skiing |
| Axel Jungk | Bobsleigh |
 Gilmore Junio | Patinadores |
 Martti Jylhä | Skiing |
 Daniela Kadeva | Biatlón |
 Natalia Kaliszek | Patinadores |
 Charlotte Kalla | Skiing |
 Akmarzhan Kalmurzayeva | Skiing |
 Peteris Kalnins | Luge |
 Shione Kaminaga | Patinadores |