Nachname | Vorname | Postleitzahl | Stadt |
| Kiefner | Sabine | 50733 | Köln |
| Kilic | Derya | 53840 | Troisdorf |
| Kindscher | B. | 47803 | Krefeld |
| Kinkeldei | Elke | 44575 | Castrop-Rauxel |
| Kizilirmak | Yasemin | 41460 | Neuss |
| Klaus | Irene | 40627 | Düsseldorf |
| Klein | Richard | 50735 | Köln |
| Klein | Peter | 40211 | Düsseldorf |
| Klein-Ridder | Ludger | 33330 | Gütersloh |
| Klemm | Sabine | 40595 | Düsseldorf |
| Klemt | Annette | 50674 | Köln |
| Klinger | Ulrich | 50827 | Köln |
| Klopstein | Lasse | 52066 | Aachen |
| Knipping | Birthe | 44309 | Dortmund |
| Knollmann | Gerhard | 32130 | Enger |
| Knopp | Petra | 50733 | Köln |
| Koberg | Barbara | 50878 | Koeln |
| Kocalar | Erkan | 47055 | Duisburg |
| Koch | Thomas | 41363 | Jüchen |
| Koch | Alina | 46286 | Dorsten |
| Koch | Catrin | 45149 | Essen |
| Kochanek | Bernd | 44269 | Dortmund |
| Köhler | Theresa | 40235 | Düsseldorf |
| Kohlschmidt | Barbara | 44309 | Dortmund |
| Köppen | Achim | 32278 | Kirchlengern |
| Korff | Andreas | 32549 | Bad Oeynhausen |
| Korn | Rüdiger | 48151 | Münster |
| Körner | Benjamin | 48161 | Münster |
| Körner | Markus | 58089 | Hagen |
| Köster | Jürgen | 42369 | Wuppertal |
| Köster | Lothar | 87435 | Kempten |
| Kotthaus | Michael | 42655 | Solingen |
| Kraus | Dr. Christopher | 32429 | Minden |
| Krause | Michael | 53757 | Sankt Augustin |
| Krause | Ann Kathrin | 32602 | Vlotho |
| Krause-Wegmann | Katharina | 53757 | Sankt Augustin |
| Krebs | Erika | 52156 | Monschau |
| Kreienbaum | Ulla | 47506 | Neukirchen-Vluyn |
| Krug | Stefan | 58453 | Witten |
| Krupke | Wolfgang | 58285 | Gevelsberg |
| Krupke | Wolfgang | 58285 | Gevelsberg |
| Kruse | Gisbert | 37671 | Höxter - Ottbergen |
| Kuhlmann | Kristina | 46286 | Dorsten |
| Kuhlmann | Norbert O. | 46483 | Wesel |
| Kuhlmann | Peter | 50996 | Koeln |
| Kühn | Sven | 47199 | Duisburg |
| Kuklinski | Ulrich | 46485 | Wesel |
| Kumar | Uta | 33611 | Bielefeld |
| Kutschera | Manfred | 59555 | Lippstadt |
| Kutzner | Annekatrin | 09337 | Callenberg |