| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | Urko Pardo | 1983-01-28 | 189 | 85 | |||
| D | Avraam Papadopoulos | 1984-12-03 | 186 | 79 | 2015 jun | ||
| D | Kyriakos Papadopoulos | 1992-02-23 | 183 | 78 | 2020-06-30 | ||
| D | Michal Zewlakow | 1976-04-22 | 182 | 75 | |||
| D | Olof Mellberg | 1977-09-03 | 186 | 83 | Retired | ||
| D | Raúl Bravo | 1981-04-14 | 176 | 62 | |||
| D | Vassilios Torosidis | 1985-06-10 | 185 | 80 | 2018-06-30 | ||
| M | Enzo Maresca | 1980-02-10 | 177 | 70 | |||
| M | Ioannis Fetfatzidis | 1990-12-21 | 165 | 60 | Loan | ||
| M | Jesús Dátolo | 1984-05-19 | 177 | 67 | |||
| M | Óscar González | 1982-11-12 | 181 | 70 | 2016-06-30 | ||
| F | Konstantinos Mitroglou | 1988-03-12 | 188 | 78 | |||
| F | Matt Derbyshire | 1986-04-14 | 178 | 71 | 2014 |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 28.Dec | Bobby Allain (GK) | Olympiakos SP Piraeus | Örebro SK | Confirmed | |
| 31.Jan | Tarik Elyounoussi (F) | Olympiakos SP Piraeus | AIK | Confirmed | |
| 30.Jun | Juan Carlos Paredes (D) | Olympiakos SP Piraeus | Watford FC | Confirmed | |
| 30.Jun | Omar Elabdellaoui (D) | Hull City AFC | Olympiakos SP Piraeus | Confirmed | |
| 30.Jun | Pajtim Kasami (M) | Nottingham Forest | Olympiakos SP Piraeus | Confirmed | |
| 30.Jun | Aly Cissokho (D) | Olympiakos SP Piraeus | Aston Villa FC | Confirmed | |
| 31.Jan | Luka Milivojevic (M) | Olympiakos SP Piraeus | Crystal Palace | Confirmed | |
| 31.Jan | Juan Carlos Paredes (D) | Watford FC | Olympiakos SP Piraeus | Confirmed | |
| 20.Jan | Omar Elabdellaoui (D) | Olympiakos SP Piraeus | Hull City AFC | Confirmed | |
| 16.Jan | Aly Cissokho (D) | Aston Villa FC | Olympiakos SP Piraeus | Confirmed |