| Kurt Saal | CDU | | |
| Reinhard Sablowski | FDP | | |
| Kamuran Sadak | | | |
| Wolfgang Sasse | | | |
| Paul Scharbrodt | BÜRGERLISTE | | |
| Jürgen Scharf | Die Unabhängigen | | |
| Rita Schillings | Flüchtlingsrat | | |
| Heike Schirm | | | |
| Paul-Leander Schmidt | SPD | | |
| Frank Schmitz | CDU | | |
| Günter Schmitz | BÜRGERLISTE | | |
| Marita Schmitz | BÜNDNIS 90/DIE GRÜNEN | | |
| Sonja Schmitz | BÜRGERLISTE | | |
| Heinz Eckard Schneider | | | |
| Rüdiger Scholz | CDU | | |
| Heinz Schönbeck | CDU | | |
| Frank Schönberger | CDU | | |
| Thomas Schorn | SPD | | |
| Manfred Schröder | | | |
| Peter Schröder | SPD | | |
| Walter Schröder | Die Unabhängigen | | |
| Claudia Schulte | | | |
| Sören Schultes | | | |
| Martina Schultze | | | |
| Erich Schulz | | | |
| Axel Schumacher | SPD | | |
| Gisela Schumann | CDU | | |
| Vjaceslav Schumichin | | | |
| Bernhard Schuster | Behindertenbeirat | | |
| Susanne Schwartmann-Bakkali | | | |
| Karl Schweiger | BÜRGERLISTE | | |
| Rolf Segbers | BÜRGERLISTE | 29.10.2012 | bis 29.10.2012 |
| Matthias H. E. Seyfarth | CDU | | |
| Regina Sidiropulos | SPD | | |
| Martin Steinkühler | CDU | | |
| Vera Strittmatter | VHS | | |
