| Link | Location | |
|---|---|---|
 | Joanna Kornacka | Łódź, Polonia |
| Todd Kornahrens | Haddon Heights, New Jersey, Stati Uniti |
| Stefan Körner | Munich, Germania |
| Eugene Korobka | Chicago, Illinois, Stati Uniti |
| Roman Korolenko | Москва (Online), Russia |
| Vitaliy Korolev | Moscow, Russia |
| Sylwia Korpok | Warszawa, Polonia |
| Andrei Korsak | Moscow, Russia |
| Asako Kosaka | Tokyo, Giappone |
| Oleksandr Kosenkov | Munich, Germania |
| Satoshi Koshihara | Tokyo, Giappone |
 | Justyna Kosińska | Warsaw, Polonia |
 | Aleksander Kóska | Poznań, Polonia |
| Eylül Kosok | Dortmund, Germania |
| Agnieszka Kosowska | Warszawa, Polonia |
