| Stephan Kaplan | | | |
| Winfried Kaup | CDU | | |
| Dr. Ulrike Christine Keitlinghaus | CDU | | |
| Susanne Kellermann | | | |
| Gisela Kellner | | | |
| Thorsten Keuschen | | | |
| Monika Kindel | Beiratsmitglied | | |
| Ralf Kinder | | | |
| Norbert Kirchhoff | FDP | | |
| Ralf Kirchhoff | | | |
| Andrea Kleene-Erke | SPD | | |
| Bernhard Kleibolde | CDU | | |
| Dr. Ansgar Klemann | | | |
| Christina Kliewe | | | |
| Dr. Judith Kluck | | | |
| Ertugrul Koca | Bündnis 90/Die Grünen | | |
| Karsten Koch | SPD | | |
| Dennis Kocker | SPD | | |
| Hans-Otto Koebbert | | | |
| Silke Krabbe | SPD | | |
| Manfred Kraft | | | |
| Peter Kranke | | | |
| Peter Kreft | SPD | | |
| Ludwig Kriener | | | |
| Ralf Kruse | Jugendgericht | | |
| Siegrid Kurp | | | |
| Joachim Kuttig | AfD | | |
| Andreas Kühnel | CDU | | |
| Christian König | | | |
| Florian König | FDP | | |
| Dr. Michael Körner | | | |
| Dr. Jörn Köster | | | |
| Thorsten Köster | CDU | | |
