| Referee | Games |  |  | Cards per game | |
|---|---|---|---|---|---|
| Tamás Bognár | 1 | 5 | 0 | 5.0 (5.0 / 0.0) | |
| Aytekin Deniz | 1 | 8 | 0 | 8.0 (8.0 / 0.0) | |
| Angelos Evangelou | 12 | 55 | 2 | 4.8 (4.6 / 0.2) | |
| Vasilis Fotias | 12 | 55 | 1 | 4.7 (4.6 / 0.1) | |
| Jesús Gil Manzano | 1 | 4 | 0 | 4.0 (4.0 / 0.0) | |
| Meletios Gioumatzidis | 7 | 31 | 2 | 4.7 (4.4 / 0.3) | |
| Sven Jablonski | 1 | 8 | 2 | 10.0 (8.0 / 2.0) | |
| Srđan Jovanović | 1 | 2 | 0 | 2.0 (2.0 / 0.0) | |
| Konstantinos Katikos | 7 | 40 | 3 | 6.1 (5.7 / 0.4) | |
| Alexandros Katsikogiannis | 7 | 41 | 4 | 6.5 (5.9 / 0.6) | |
| Georgis Kokkinos | 4 | 28 | 4 | 8.0 (7.0 / 1.0) | |
| Konstantinos Kotsanis | 1 | 8 | 2 | 10.0 (8.0 / 2.0) | |
| Panagiotis Koukoulas | 4 | 27 | 2 | 7.3 (6.8 / 0.5) | |
| Erik Lambrechts | 1 | 4 | 0 | 4.0 (4.0 / 0.0) | |
| Danny Makkelie | 1 | 8 | 0 | 8.0 (8.0 / 0.0) | |
| Michael Matsoukas | 11 | 65 | 1 | 6.0 (5.9 / 0.1) | |
| Halil Meier | 1 | 8 | 0 | 8.0 (8.0 / 0.0) | |
| Dimitrios Moschou | 5 | 25 | 0 | 5.0 (5.0 / 0.0) | |
| Dimitrios Moschou | 1 | 6 | 1 | 7.0 (6.0 / 1.0) | |
| Rade Obrenović | 1 | 2 | 0 | 2.0 (2.0 / 0.0) | |
| Harm Osmers | 3 | 20 | 0 | 6.7 (6.7 / 0.0) | |
| Ioannis Papadopoulos | 9 | 56 | 4 | 6.6 (6.2 / 0.4) | |
| Anastasios Papapetrou | 14 | 55 | 2 | 4.0 (3.9 / 0.1) | |
| Anastasios Papapetrou | 1 | 2 | 0 | 2.0 (2.0 / 0.0) | |
| Irfan Peljto | 1 | 4 | 0 | 4.0 (4.0 / 0.0) | |
| Fotios Polychronis | 13 | 62 | 3 | 5.0 (4.8 / 0.2) | |
| Rohit Saggi | 1 | 5 | 0 | 5.0 (5.0 / 0.0) | |
| José Sánchez | 1 | 2 | 0 | 2.0 (2.0 / 0.0) | |
| Daniel Schlager | 1 | 8 | 0 | 8.0 (8.0 / 0.0) | |
| Robert Schröder | 1 | 9 | 2 | 11.0 (9.0 / 2.0) | |
| Anastasios Sidiropoulos | 9 | 29 | 4 | 3.6 (3.2 / 0.4) | |
| Daniel Siebert | 1 | 3 | 1 | 4.0 (3.0 / 1.0) | |
| Sascha Stegemann | 2 | 10 | 1 | 5.5 (5.0 / 0.5) | |
| Tobias Stieler | 2 | 8 | 0 | 4.0 (4.0 / 0.0) | |
| Damian Sylwestrzak | 1 | 3 | 0 | 3.0 (3.0 / 0.0) | |
| Alexandros Tsakalidis | 16 | 77 | 0 | 4.8 (4.8 / 0.0) | |
| Stavros Tsimenteridis | 10 | 55 | 3 | 5.8 (5.5 / 0.3) | |
| Athanassios Tzilos | 10 | 56 | 4 | 6.0 (5.6 / 0.4) | |
| Christos Vergetis | 13 | 69 | 5 | 5.7 (5.3 / 0.4) | |
| Spyros Zabalas | 12 | 58 | 3 | 5.1 (4.8 / 0.3) | |
| Felix Zwayer | 1 | 3 | 0 | 3.0 (3.0 / 0.0) | |