Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 11/2026 |  | Hannah Mack | ||||
| 11/2026 | | Emma Maria Petri | ||||
| 11/2026 | | Franziska Sommer | ||||
| 07/2026 | | Hayley Burmeister |  | 1. FC Köln II (U16) U17 | FC Köln U17 | |
| 07/2026 | | Ecrin Cetin | | 1. FC Köln II (U16) U17 | FC Köln U17 | |
| 07/2026 | | Hanne Havekost | | 1. FC Köln II (U16) U17 | FC Köln U17 | |
| 07/2026 | | Isabelle Kabus |  | 1. FC Köln U19 | U19 | |
| 07/2026 | | Amelia Köhne | ||||
| 07/2026 | | Laetizia Majer | | 1. FC Köln U19 | U19 | |
| 07/2026 | | Sara Mund | | 1. FC Köln U19 | U19 | |
| 07/2026 | | Carla Schönberg | | 1. FC Köln U19 | U19 | |
| 07/2026 | | Selina Großer | GK | | 1. FC Köln U19 | U19 |
| 07/2026 | | Pauline Nelles | GK |  | Arizona State Sun Devils | ASU Sun Devils |
| 07/2026 | | Carolin Sunder | GK |  | FC Iserlohn 46/49 U17 | FC Iserlohn U17 |
| 07/2026 | | Merle Hokamp | DF |  | 1. FC Köln | Köln |
| 07/2026 | | Oljeta Shala | DF |  | SGS Essen U19 | U19 |
| 07/2026 |  | Alina Kerschbaumer | MF |  | First Vienna FC | First Vienna |
| 07/2026 | | Ela Kural | MF | | 1. FC Köln U19 | U19 |
| 07/2026 | | Lina Sterzing | MF |  | Hessen Kassel | Hessen Kassel |
| 07/2026 | | Kim Wardjawand | MF | | 1. FC Köln U19 | U19 |
| 07/2026 |  | Velida Aličković | FW |  | 1. FSV Mainz 05 U19 | U19 |
| 07/2026 | | Alexandra Scheffler | FW |  | RB Leipzig II | RB Leipzig II |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2026 |  | Zoë Hasenauer | MF |  | AFC Toronto | AFC Toronto |
| 07/2026 | | Anissa Firouzi |  | Fortuna Köln | Fortuna Köln | |
| 07/2026 | | Ajla Kozic |  | Bor. Mönchengladbach U19 | U19 | |
| 07/2026 |  | Aurora Mikalsen | GK |  | Kolbotn IL | Kolbotn IL |
| 07/2026 | | Anissa Rouinba | GK |  | DJK Südwest Köln | DJK Südwest |
| 07/2026 |  | Sara Agrež | DF |  | Liverpool FC Women | Liverpool FCW |
| 07/2026 |  | Sylwia Matysik | DF |  | Hamburger SV | Hamburg |
| 07/2026 | | Nina Pelzer | DF | | Fortuna Köln | Fortuna Köln |
| 07/2026 | | Maja Weber | DF | | 1. FC Köln | Köln |
| 07/2026 | | Adriana Achcińska | MF |  | VfB Stuttgart | VfB Stuttgart |
| 07/2026 | | Charlize Carstensen | MF |  | MSV Duisburg | MSV Duisb. |
| 07/2026 | | Jil Schäfer | MF | | 1. FC Köln | Köln |
| 07/2026 | | Sophie Schrage | MF | | DJK Südwest Köln | DJK Südwest |
| 07/2026 | | Martyna Wiankowska | MF |  | Como 1907 | Como 1907 |