| Referee | Games |  |  | Cards per game |
|---|
| Əliyar Ağayev | 1 | 5 | 0 | 5.0 (5.0 / 0.0) | |
| Mohammed Al-Hakim | 4 | 12 | 0 | 3.0 (3.0 / 0.0) | |
| Konstantinos Andrianos | 5 | 36 | 1 | 7.4 (7.2 / 0.2) | |
| Felix Brych | 1 | 9 | 0 | 9.0 (9.0 / 0.0) | |
| Gustavo Correia | 1 | 4 | 0 | 4.0 (4.0 / 0.0) | |
| Aristotelis Diamantopoulos | 12 | 58 | 2 | 5.0 (4.8 / 0.2) | |
| Christian Dingert | 1 | 8 | 0 | 8.0 (8.0 / 0.0) | |
| Angelos Evangelou | 6 | 31 | 3 | 5.7 (5.2 / 0.5) | |
| Vasilis Fotias | 8 | 41 | 2 | 5.4 (5.1 / 0.3) | |
| Andreas Gamaris | 7 | 44 | 0 | 6.3 (6.3 / 0.0) | |
| Efstathios Gortsilas | 8 | 54 | 4 | 7.3 (6.8 / 0.5) | |
| Sven Jablonski | 1 | 4 | 0 | 4.0 (4.0 / 0.0) | |
| Matej Jug | 1 | 8 | 0 | 8.0 (8.0 / 0.0) | |
| Konstantinos Katikos | 7 | 37 | 2 | 5.6 (5.3 / 0.3) | |
| Alexandros Katsikogiannis | 7 | 23 | 1 | 3.4 (3.3 / 0.1) | |
| Stefanos Koubarakis | 4 | 21 | 0 | 5.3 (5.3 / 0.0) | |
| Morten Krogh | 1 | 4 | 0 | 4.0 (4.0 / 0.0) | |
| Dimitrios Maloutas | 4 | 22 | 0 | 5.5 (5.5 / 0.0) | |
| Evangelos Manouhos | 13 | 73 | 7 | 6.1 (5.6 / 0.5) | |
| Fabio Maresca | 1 | 2 | 0 | 2.0 (2.0 / 0.0) | |
| Boris Marhefka | 1 | 6 | 0 | 6.0 (6.0 / 0.0) | |
| Tiago Martins | 1 | 6 | 0 | 6.0 (6.0 / 0.0) | |
| Michael Matsoukas | 4 | 25 | 1 | 6.6 (6.3 / 0.3) | |
| Rade Obrenović | 1 | 5 | 0 | 5.0 (5.0 / 0.0) | |
| Ioannis Papadopoulos | 8 | 41 | 4 | 5.6 (5.1 / 0.5) | |
| Anastasios Papapetrou | 2 | 8 | 0 | 4.0 (4.0 / 0.0) | |
| Anastasios Papapetrou | 7 | 43 | 4 | 6.7 (6.1 / 0.6) | |
| Cláudio Pereira | 1 | 7 | 0 | 7.0 (7.0 / 0.0) | |
| Konstantinos Perrakis | 7 | 42 | 2 | 6.3 (6.0 / 0.3) | |
| Fotios Polychronis | 5 | 30 | 3 | 6.6 (6.0 / 0.6) | |
| Konstantinos Poulikidis | 6 | 30 | 2 | 5.3 (5.0 / 0.3) | |
| Sandi Putros | 1 | 6 | 0 | 6.0 (6.0 / 0.0) | |
| Mikkel Redder | 1 | 7 | 1 | 8.0 (7.0 / 1.0) | |
| Rohit Saggi | 1 | 6 | 0 | 6.0 (6.0 / 0.0) | |
| Daniel Schlager | 2 | 13 | 0 | 6.5 (6.5 / 0.0) | |
| Anastasios Sidiropoulos | 12 | 72 | 3 | 6.3 (6.0 / 0.3) | |
| Artur Soares Dias | 1 | 6 | 0 | 6.0 (6.0 / 0.0) | |
| Simone Sozza | 1 | 7 | 0 | 7.0 (7.0 / 0.0) | |
| Aleksandar Stavrev | 1 | 5 | 0 | 5.0 (5.0 / 0.0) | |
| Tobias Stieler | 1 | 12 | 0 | 12.0 (12.0 / 0.0) | |
| Petros Tsagarakis | 8 | 42 | 2 | 5.6 (5.3 / 0.3) | |
| Alexandros Tsakalidis | 5 | 20 | 0 | 4.0 (4.0 / 0.0) | |
| Konstantinos Tsetsilas | 6 | 42 | 0 | 7.0 (7.0 / 0.0) | |
| Panagiotis-Rafail Tsiaras | 5 | 27 | 1 | 5.6 (5.4 / 0.2) | |
| Stavros Tsimenteridis | 5 | 23 | 0 | 4.6 (4.6 / 0.0) | |
| Athanassios Tzilos | 7 | 44 | 1 | 6.4 (6.3 / 0.1) | |
| Aristidis Vatsios | 6 | 26 | 1 | 4.5 (4.3 / 0.2) | |
| Christos Vergetis | 7 | 49 | 2 | 7.3 (7.0 / 0.3) | |
| Eric Wattellier | 1 | 4 | 0 | 4.0 (4.0 / 0.0) | |
| Spyros Zabalas | 5 | 25 | 1 | 5.2 (5.0 / 0.2) | |
Germany
