| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | 35 | Jonas Brammen | 1997-07-19 | 188 | 2018-06-30 | ||
| GK | 1 | Lukas Kruse | 1983-07-09 | 185 | 2017-06-30 | ||
| D | Christian Strohdiek | 1988-01-22 | 192 | 2018-06-30 | |||
| D | Daniel Brückner | 1981-02-14 | 183 | ||||
| D | 15 | Florian Ruck | 1992-02-06 | 186 | 2017-06-30 | ||
| D | Lukas Böder | 1997-04-18 | 183 | 74 | 2018-06-30 | ||
| D | 7 | Marcel Ndjeng | 1982-05-06 | 180 | 2016-06-30 | ||
| D | 17 | Niklas Hoheneder | 1986-08-17 | 190 | 2017-06-30 | ||
| D | 14 | Thomas Bertels | 1986-11-05 | 193 | 2016-06-30 | ||
| D | 4 | Tim Sebastian | 1984-01-17 | 188 | 2018-06-30 | ||
| D | Uwe Hünemeier | 1986-01-09 | 189 | 79 | 2018-06-30 | ||
| M | 16 | Christian Bickel | 1991-01-27 | 178 | 75 | 2017-06-30 | |
| M | 27 | Idir Ouali | 1988-05-21 | 176 | 2017-06-30 | ||
| M | 20 | Marc Vucinovic | 1988-09-19 | 179 | - | 2017-06-30 | |
| M | 6 | Marvin Bakalorz | 1989-09-13 | 180 | 73 | 2017-06-30 | |
| M | 12 | Oliver Kirch | 1982-08-21 | 182 | 73 | 2016-06-30 | |
| M | 34 | Robin Krausse | 1994-04-02 | 179 | 2019-06-30 | ||
| M | 13 | Sebastian Schonlau | 1994-08-05 | 185 | - | 2018-06-30 | |
| M | 30 | Süleyman Koc | 1989-06-09 | 178 | - | 2018-06-30 | |
| F | 10 | Mahir Saglik | 1983-01-18 | 178 | 2016-06-30 | ||
| F | 19 | Marc Brasnic | 1996-10-21 | 184 | 2017-06-30 | ||
| F | Nick Proschwitz | 1986-11-28 | 192 | 82 | 2015 jun | ||
| F | 9 | Srdjan Lakic | 1983-10-02 | 186 | 83 | 2016-06-30 |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 30.Jun | Lukas Böder (D) | SC Paderborn 07 | Bayer 04 Leverkusen | Confirmed | |
| 24.Jan | Lukas Böder (D) | Bayer 04 Leverkusen | SC Paderborn 07 | Confirmed | |
| 30.Jun | Nicklas Helenius (F) | SC Paderborn 07 | Aalborg BK | Confirmed | |
| 21.Jun | Christian Strohdiek (D) | Fortuna Düsseldorf | SC Paderborn 07 | Confirmed | |
| 16.Jun | Hauke Wahl (D) | SC Paderborn 07 | FC Ingolstadt 04 | Confirmed | |
| 31.May | Marvin Bakalorz (M) | SC Paderborn 07 | Hannover 96 | Confirmed | |
| 30.May | Moritz Stoppelkamp (M) | SC Paderborn 07 | Karlsruher SC | Confirmed | |
| 1.Feb | Nick Proschwitz (F) | SC Paderborn 07 | VV Sint-Truidense | Confirmed | |
| 1.Feb | Nicklas Helenius (F) | Aalborg BK | SC Paderborn 07 | Confirmed | |
| 29.Jan | Nicklas Helenius (F) | Aalborg BK | SC Paderborn 07 | Rumour |