| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Wolfgang Stark | 25 | 7 | - | 1 | 3.13 |
| Felix Zwayer | 13 | 5 | - | 1 | 2.17 |
| Deniz Aytekin | 11 | 3 | - | - | 3.67 |
| Manuel Grafe | 21 | 3 | - | - | 7 |
| Robert Kampka | 2 | 2 | - | - | 1 |
| Bastian Dankert | 7 | 2 | 1 | - | 2.33 |
| Michael Weiner | 11 | 2 | - | - | 5.5 |
| Marco Fritz | 11 | 2 | - | - | 5.5 |
| Florian Meyer | 15 | 2 | - | - | 7.5 |
| Felix Brych | 17 | 2 | 1 | - | 5.67 |
| Michael Oliver | 1 | 1 | - | - | 1 |
| Anastassios Kakos | 1 | 1 | - | - | 1 |
| Ravshan Irmatov | 1 | 1 | - | - | 1 |
| Maurizio Mariani | 1 | 1 | - | - | 1 |
| Slavko Vincic | 1 | 1 | - | - | 1 |
| Anthony Taylor | 1 | 1 | - | - | 1 |
| David Fernandez Borbalan | 2 | 1 | - | - | 2 |
| Anasthasios Sidiropoulos | 2 | 1 | - | - | 2 |
| Frank de Bleeckere | 2 | 1 | - | - | 2 |
| Michael Koukoulakis | 2 | 1 | - | - | 2 |
| Guido Winkmann | 3 | 1 | - | - | 3 |
| Howard Webb | 3 | 1 | - | - | 3 |
| Daniel Siebert | 3 | 1 | - | - | 3 |
| Daniele Orsato | 3 | 1 | - | - | 3 |
| Lutz Wagner | 4 | 1 | - | - | 4 |
| William Collum | 4 | 1 | - | - | 4 |
| Michael Kempter | 4 | 1 | - | - | 4 |
| Tobias Stieler | 5 | 1 | - | - | 5 |
| Christian Dingert | 5 | 1 | - | - | 5 |
| Paolo Tagliavento | 5 | 1 | - | - | 5 |
| Nicola Rizzoli | 5 | 1 | - | - | 5 |
| Jochen Drees | 14 | 1 | - | - | 14 |
| Knut Kircher | 15 | 1 | - | - | 15 |
| Gunther Perl | 16 | 1 | - | - | 16 |
| Ivan Bebek | 2 | 0 | 1 | - | 2 |
P = Matches played,
C = Cards .