| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Felix Brych | 14 | 4 | - | - | 3.5 |
| Herbert Fandel | 4 | 3 | - | - | 1.33 |
| Jochen Drees | 9 | 3 | - | - | 3 |
| Manuel Grafe | 12 | 3 | - | - | 4 |
| Florian Meyer | 14 | 3 | - | - | 4.67 |
| Guido Winkmann | 6 | 2 | - | - | 3 |
| Mohamed Benouza | 1 | 1 | - | - | 1 |
| Marijo Strahonja | 1 | 1 | - | - | 1 |
| Alexandru Deaconu | 1 | 1 | - | - | 1 |
| Martin Atkinson | 1 | 1 | - | - | 1 |
| Manuel De Sousa | 1 | 1 | - | - | 1 |
| Oscar Julian Ruiz | 1 | 1 | - | - | 1 |
| Alfonso Alvarez Izquierdo | 1 | 1 | - | - | 1 |
| Ricardo de Burgos | 1 | 1 | - | - | 1 |
| Janny Sikazwe | 1 | 1 | - | - | 1 |
| Ignacio Villanueva | 3 | 1 | - | - | 3 |
| Bastian Dankert | 3 | 1 | - | - | 3 |
| Carlos Del Cerro Grande | 3 | 1 | - | - | 3 |
| Javier Estrada Fernandez | 4 | 1 | - | 1 | 2 |
| Markus Merk | 4 | 1 | - | - | 4 |
| Juan Martinez Munuera | 4 | 1 | - | - | 4 |
| Michael Weiner | 6 | 1 | - | - | 6 |
| Deniz Aytekin | 7 | 1 | - | - | 7 |
| Peter Sippel | 9 | 1 | - | - | 9 |
| Felix Zwayer | 9 | 1 | - | - | 9 |
| Thorsten Kinhofer | 13 | 1 | - | - | 13 |
P = Matches played,
C = Cards .