| Link | Location |
|---|
 | Erika Klein | The Woodlands, Texas, Stati Uniti |
| Melanie Klein | Munich, Germania |
 | Harald Kleinöder | Nürnberg, Germania |
| Thorsten Kleppich | Mainz, Germania |
| Colin Klok | Madison', Wisconsin, Stati Uniti |
| Marc Kluft | Den Haag, Paesi Bassi |
| Christian Kluwe | Nürnberg (Online), Germania |
| Stefan Knaus | Munich, Germania |
| Matthias Knittel | Düsseldorf, Germania |
 | Michelle Knuth | Trout Creek, Montana, Stati Uniti |
| Beate Koch | Berlin, Germania |
| Paul Koehler | Darmstadt, Germania |
| Klaas Koester | online, Germania |
| Nina Kolesnichenko | Москва, Russia |
| Bartek Kołodziejski | Brussels, Belgio |
