| Heiko Sachtleber | | | |
| Anne Sandner | | | |
| Janina Schade | B90/Die Grünen | | |
| Nicole Schaffland | | 14.11.2025 | bis 14.11.2025 |
| Stephanie Scheffler | | | |
| Britta Scheufens | | | |
| Oliver Schiffers | | | |
| Siegmund Schillumeit | | | |
| Ron Schindler | FDP | | |
| Manuela Schleifenbaum | | | |
| Roman Schlieper | | | |
| Susanne Schloms | | | |
| Tim Schlösser | B90/Die Grünen | | |
| Ulrich Schlösser | B90/Die Grünen | | |
| Dirk Schmedding | | | |
| Josef Schmedding | CDU | | |
| Saskia Schmidt | | 14.11.2025 | bis 14.11.2025 |
| Thorsten Schmitz | | | |
| Martin Schneider | | | |
| Thomas Schneider | FDP | | |
| Petra Schreier | | | |
| David Schubert | CDU | | |
| Hans-Peter Schulte | | | |
| Sibylle Schulte | DIE LINKE | | |
| Stephan Schulte | DIE FRAKTION | | |
| Fritz Schulte-Bisping | | | |
| Wolfgang Schulze | | | |
| Thorsten Schulze Tertilt | | | |
| Ekkehard Schulze Waltrup | | | |
| Stephan Schulze Westhoff | CDU | | |
| Hermann-Josef Schulze-Zumloh | | | |
| Jörg Schwab | | | |
| Leander Schwarz | SPD | | |
| Christiane Maria Schäfer | | | |
| Dr. Hans-Günter Schöler | FDP | | |
| Dr. Ansgar Seidel | | | |
| Sebastian Seidel | | | |
| Christoffer Siebert | CDU | | |
| Martin Sievers | | | |
| Heinrich Sinder | | | |
| Alfred Smieszchala | | | |
| Dr. Julia Sommer | | | |
| Dr. Reinhard Sommer | | | |
| Wolfgang Stange | | | |
| Dennis Starke | SPD | | |
| Sina Steffenfauseweh | | | |
| Julia Stegt | | | |
| Uwe Steinkolk | AfD | | |
| Karl Stelthove | B90/Die Grünen | | |
| Franz Stockmann | | | |
| Peter Stratmann | | | |
| Rita Strecker | B90/Die Grünen | | |
| Guido Stricker | | | |
| Josef Strohbücker | FDP | | |
| Robert Strübbe | CDU | | |
| Lothar Stumpenhorst | Beiratsmitglied | | |
| Claudia Sydow | Beiratsmitglied | | |
