Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2011 |  | Lukas Kolb | GK | |||
| 07/2011 | | Andreas Bogdanow | DF | |||
| 07/2011 | | Mario Bröhl | DF |  | 1. FC Köln U19 | Köln U19 |
| 07/2011 | | Florian Buchholz | DF | |||
| 07/2011 | | Marius Ehrenstein | DF | |||
| 07/2011 | | Michael Henseler | DF |  | VfL Alfter | VfL Alfter |
| 07/2011 | | Tobias Kapp | DF | |||
| 07/2011 |  | Alain N'Goua | DF | |||
| 07/2011 | | Farhat Qarizada | DF | |||
| 07/2011 | | Jack Aygül | MF | |||
| 07/2011 | | Mohamed El Tahiri | MF |  | VfL Leverkusen | VfL Leverkusen |
| 07/2011 | | Kerem Kargin | MF | |||
| 07/2011 | | Rene Kienow | MF | |||
| 07/2011 | | Christopher Land | MF | |||
| 07/2011 | | Jesse Muambay | MF | |||
| 07/2011 | | Marcel Radschuweit | MF |  | FC Junkersdorf | FC Junkersd. |
| 07/2011 | | Placido Randazzo | MF | |||
| 07/2011 | | Nikolas Schmitz | MF | |||
| 07/2011 | | Marcus Voike | MF | |||
| 07/2011 |  | Christos Xanthopoulos | MF | |||
| 07/2011 |  | Hasan-Selcuk Alagöz | FW |  | FC Hennef 05 | FC Hennef 05 |
| 07/2011 | | Lehojui Kamara | FW | |||
| 07/2011 | | Tatsuhiro Shirai | FW | |||
| 07/2011 |  | Dominic Spitali | FW |  | SV Bergisch Gladbach 09 U19 | U19 |
| 07/2011 | | Tomas Tomanek | FW |  | SV Bergisch Gladbach 09 | Berg. Gladb. |
| 07/2011 | | Markus Wagner | FW | |||
| 07/2011 | | Hermann-Josef Werres | MA |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2011 | | Maurice Gillen | GK |  | Viktoria Köln | Vikt. Köln |
| 07/2011 | | Andreas Moog | DF | | Viktoria Köln | Vikt. Köln |
| 07/2011 | | Marius Schultens | DF | | Viktoria Köln | Vikt. Köln |
| 07/2011 | | Eugen Tschumakow | DF | | Viktoria Köln | Vikt. Köln |
| 07/2011 | | Fatih Tüysüz | DF |  | Fortuna Köln | Fortuna Köln |
| 07/2011 | | Daniel Grebe | MF |  | Sportfreunde Siegen | Siegen |
| 07/2011 | | Michael Kessel | MF | | Fortuna Köln | Fortuna Köln |
| 07/2011 |  | Mariusz Kukiełka | MF | | Viktoria Köln | Vikt. Köln |
| 07/2011 | | David Müller | MF | | Viktoria Köln | Vikt. Köln |
| 07/2011 | | Alexander Hettich | FW | | Sportfreunde Siegen | Siegen |
| 07/2011 | | Markus Kurth | FW | | Viktoria Köln | Vikt. Köln |
| 07/2011 | | Lucas Musculus | FW |  | 1. FC Köln II | Köln II |
| 07/2011 |  | Ivan Pusic | FW | | Viktoria Köln | Vikt. Köln |
| 07/2011 | | Sebastian Schoof | FW |  | SF Troisdorf 05 | SF Troisdorf 05 |
| 07/2011 | | Christopher Thomassen | FW |  | TuS Kaan | TuS Kaan |
| 07/2011 | | Heiko Scholz | MA | | Viktoria Köln | Vikt. Köln |