| Name | Mitgliedschaft | bis | |
|---|---|---|---|
| Nadine Barsch | |||
| Rolf-Martin Barth | |||
| Jörn Bauer | AfD | ||
| Prof. Dr. Siegfried Bauer | |||
| Frank-Tilo Becher | SPD | ||
| Stefan Bechthold | SPD | ||
| Ellen Beck | Bündnis 90/Die Grünen | 07.07.2024 | |
| Susanne Beck | 02.12.2024 | ||
| Bernhard Becker | |||
| Desiree Becker | Gießener LINKE | ||
| Hans-Jürgen Becker | SPD | 31.12.2021 | |
| Lara Becker | CDU | ||
| Maximilian Becker | |||
| Gudrun Beekmann-Mathar | 20.09.2021 | ||
| Elisabeth Bender | 20.09.2021 | ||
| Heiko Bennewitz | 08.05.2023 | ||
| Rüfat Beran | Liste 1 | 18.06.2024 | |
| Annette Bergen-Krause | SPD | 30.04.2024 | |
| Kristina Berledt | |||
| Andrea Bette | |||
| Felicitas Madeleine Beuschel | CDU | 09.11.2023 | |
| Thomas Biemer | AfD | ||
| Walter Bien | |||
| Inge Bietz | |||
| Johannes Blei | CDU | ||
| Birgitte Block | |||
| Heide Blum | 20.09.2021 | ||
| Andreas Bode | |||
| Christoph Bonarius | 02.12.2024 | ||
| Dirk Bönsel | |||
| Behzad Borhani | Bündnis 90/Die Grünen | ||
| Frederik Bouffier | CDU | ||
| Julia Brakonier | |||
| Tobias Breidenbach | CDU | ||
| Susanne Bresenitz | Ve | ||
| Prof. Dr. Heinrich Brinkmann | |||
| Thomas Brunner | SPD | ||
| Juliane Buss | |||
| Dr. Michael Buss | Bündnis 90/Die Grünen | ||