| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | Patrick Platins | 1983-04-19 | 188 | 82 | 2016-06-30 | ||
| GK | Stefan Ortega | 1992-11-06 | 186 | 2017-06-30 | |||
| D | Dennis Riemer | 1988-02-23 | 181 | 2014 Jun | |||
| D | Felix Burmeister | 1990-03-09 | 186 | 78 | 2016-06-30 | ||
| D | Jonas Strifler | 1990-01-30 | 173 | 2017-06-30 | |||
| D | Manuel Hornig | 1982-12-18 | 190 | 2017-06-30 | |||
| D | Marcel Appiah | 1988-03-26 | 189 | 74 | 2018-06-30 | ||
| D | Stephan Salger | 1990-01-30 | 183 | 73 | 2018-06-30 | ||
| D | Thomas Hübener | 1982-06-25 | 183 | 2014 Jun | |||
| M | Christian Müller | 1984-02-28 | 182 | ||||
| M | Johannes Rahn | 1986-01-16 | 191 | 2014 Jun | |||
| M | Khalil Kleit | 1994-05-06 | 174 | 2014 Jun | |||
| M | Marc Lorenz | 1988-07-18 | 182 | 2014 Jun | |||
| M | Olcay Turhan | 1988-01-30 | 180 | 2015 Jun | |||
| M | Patrick Mainka | 1994-11-06 | 192 | 2014 Jun | |||
| M | Patrick Schönfeld | 1989-06-21 | 186 | 2018-06-30 | |||
| M | Philipp Riese | 1989-11-12 | 175 | 2017-06-30 | |||
| M | Philipp Heithölter | 1982-08-28 | 182 | 2014 Jun | |||
| M | Sebastian Hille | 1980-10-19 | 178 | 2014 Jun | |||
| M | Stefan Langemann | 1990-07-11 | 190 | 2014 Jun | |||
| M | Tim Jerat | 1982-03-05 | 180 | 2014 Jun | |||
| M | Tom Schûtz | 1988-01-20 | 181 | 2018-06-30 | |||
| F | Christopher Kullmann | 1986-09-19 | 187 | ||||
| F | Eric Agyemang | 1980-01-11 | 180 | 2014 Jun | |||
| F | Fabian Klos | 1987-12-02 | 194 | 2019-06-30 | |||
| F | Pascal Testroet | 1990-09-26 | 184 | 76 | 2019-06-30 | ||
| F | Sebastian Glasner | 1985-05-06 | 187 | 2015 Jun |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 4.Apr | Oscar Linnér (GK) | GIF Sundsvall | Arminia Bielefeld | Confirmed | |
| 6.Feb | Oscar Linnér (GK) | Arminia Bielefeld | GIF Sundsvall | Confirmed | |
| 7.Jan | Oscar Linnér (GK) | AIK | Arminia Bielefeld | Confirmed | |
| 11.Jul | Joakim Nilsson (D) | IF Elfsborg | Arminia Bielefeld | Confirmed | |
| 30.Jun | Leandro Putaro (F) | Arminia Bielefeld | VfL Wolfsburg | Confirmed | |
| 30.Jun | Michal Mak (F) | Arminia Bielefeld | Lechia Gdansk | Confirmed | |
| 31.Aug | Michal Mak (F) | Lechia Gdansk | Arminia Bielefeld | Confirmed | |
| 24.Jan | Francisco Rodríguez (D) | VfL Wolfsburg | Arminia Bielefeld | Confirmed | |
| 5.Jan | Amin Affane (M) | Arminia Bielefeld | AIK | Confirmed | |
| 25.Dec | Amin Affane (M) | Arminia Bielefeld | AIK | Rumour |