| Link | Location | |
|---|---|---|
 | Geolar Junior | Porto Alegre, Brazil |
 | Esa Juntunen | London, United Kingdom |
| Tomasz Jurczyk | Wrocław, Poland |
 | Björn Just | München, Germany |
 | Bartosz Juszczak | Poznań, Poland |
| Ajin Kabeer | München, Germany |
| Manmohan Kabra | Chennai, India |
| Maria Kacalińska | Warsaw, Poland |
| Beata Kaczmarek | Wrocław, Poland |
| Rafał Kaczmarek | Krakow, Poland |
| Dawid Kaczorowski | Gniezno, Poland |
| 門田隆史 | Tokto, Japan |
| Martin Kaertner | Munich, Germany |
| Yoichiro Kai | Tokyo, Japan |
 | Bria Kaiser | Cottage Grove, Minnesota, United States |
