| Link | Location |
|---|
 | Puneet Jaiswal | London, United Kingdom |
| Matthias Jakob | Munich, Germany |
| Preben Jakobsen | Vejle, Denmark |
 | Michał Jakubas | Gdynia, Poland |
 | PARVATHI JAMMU | Eden Prairie, Minnesota, United States |
| Seungyong Jang | Tokyo, Japan |
| Marzena Janiszewska | Warszawa, Poland |
| Marta Jankowska | Wrocław, Poland |
| Łukasz Jankowski | Lodz, Poland |
| Mike Jannusch | Chicago, Illinois, United States |
| Valdis Janovs | Kopenhagen, Denmark |
| Ewa Janowiak | Warsaw, Poland |
| Jana Jansone | Kopenhagen, Denmark |
| Shelly Janssen | Waverly, Iowa, United States |
| Kamila Jarecka-Moczarska | Wrocław, Poland |
