| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Manuel Grafe | 14 | 4 | - | - | 3.5 |
| Florian Meyer | 16 | 3 | - | - | 5.33 |
| Howard Webb | 4 | 2 | - | - | 2 |
| Danny Desmond Makkelie | 6 | 2 | - | - | 3 |
| Pol van Boekel | 6 | 2 | - | - | 3 |
| Tobias Stieler | 8 | 2 | - | 1 | 2.67 |
| Felix Zwayer | 11 | 2 | - | - | 5.5 |
| Wolfgang Stark | 16 | 2 | - | - | 8 |
| Ravshan Irmatov | 1 | 1 | - | - | 1 |
| Soren Storks | 1 | 1 | - | - | 1 |
| Tobias Reichel | 1 | 1 | - | - | 1 |
| Laurent Duhamel | 1 | 1 | - | - | 1 |
| Andrea Romeo | 1 | 1 | - | - | 1 |
| Anasthasios Sidiropoulos | 1 | 1 | - | - | 1 |
| Viktor Kassai | 1 | 1 | - | - | 1 |
| Joao Francisco Lopes Ferreira | 1 | 1 | - | - | 1 |
| Cuneyt Cakir | 2 | 1 | - | - | 2 |
| Paolo Tagliavento | 2 | 1 | - | - | 2 |
| Frank de Bleeckere | 2 | 1 | - | - | 2 |
| Jochem Kamphuis | 2 | 1 | - | - | 2 |
| Ivan Bebek | 2 | 1 | - | - | 2 |
| Cesar Muniz Fernandez | 2 | 1 | - | - | 2 |
| Matteo Trefoloni | 3 | 1 | - | - | 3 |
| Luca Banti | 3 | 1 | - | - | 3 |
| Manuel Mejuto Gonzalez | 3 | 1 | - | - | 3 |
| Damir Skomina | 5 | 1 | - | - | 5 |
| Fernando Teixeira Vitienes | 5 | 1 | - | 1 | 2.5 |
| Bastian Dankert | 5 | 1 | - | - | 5 |
| Michael Weiner | 5 | 1 | - | - | 5 |
| Sergey Karasev | 5 | 1 | - | - | 5 |
| Pedro Proenca | 5 | 1 | - | - | 5 |
| Clement Turpin | 5 | 1 | - | - | 5 |
| Dennis Higler | 6 | 1 | - | - | 6 |
| Peter Sippel | 6 | 1 | - | - | 6 |
| Tobias Welz | 7 | 1 | - | - | 7 |
| Robert Hartmann | 7 | 1 | - | - | 7 |
| Deniz Aytekin | 9 | 1 | - | - | 9 |
| Peter Gagelman | 9 | 1 | - | - | 9 |
| Sascha Stegemann | 2 | 0 | 1 | - | 2 |
P = Matches played,
C = Cards .