| Link | Location |
|---|
 | Keisuke Konishi | Tokyo, Japan |
| Shinji Konishi | Tokyo, Japan |
 | Marcin Konkel | Warszawa, Poland |
| Teresa Konkol | Wrocław, Poland |
| Levkin Konstantin | Moscow, Russia |
| Dmytro Kontorovych | Dnipro, Ukraine |
| Vian Kooiker | Amsterdam, Netherlands |
 | Robert Kopacz | Summit, New Jersey, United States |
| Padmaja Kopuru | Eden prarie, Minnesota, United States |
| Marcin Kopyś | Rzeszów, Poland |
| Tomasz Korbecki | Warsaw, Poland |
| Tomasz Korczyński | Wrocław, Poland |
| Paweł Kordal | Krakow, Poland |
| Fardad Kordmahaleh | Portland, Oregon, United States |
| Jeroen Koreman | Utrecht, Netherlands |
