| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Michael Oliver | 6 | 3 | - | - | 2 |
| Robert Schroder | 9 | 3 | 1 | - | 2.25 |
| Tobias Stieler | 13 | 3 | - | - | 4.33 |
| Hakim Ben El Hadj | 3 | 2 | - | - | 1.5 |
| Clement Turpin | 8 | 2 | - | - | 4 |
| Frank Willenborg | 8 | 2 | - | - | 4 |
| Deniz Aytekin | 9 | 2 | - | - | 4.5 |
| Christian Dingert | 10 | 2 | - | - | 5 |
| Marco Fritz | 10 | 2 | - | - | 5 |
| Harm Osmers | 12 | 2 | - | - | 6 |
| Felix Zwayer | 16 | 2 | - | - | 8 |
| Alireza Faghani | 1 | 1 | - | - | 1 |
| Fabio Maresca | 1 | 1 | - | - | 1 |
| Alberto Undiano Mallenco | 1 | 1 | - | - | 1 |
| Artur Soares Dias | 1 | 1 | - | - | 1 |
| Fernando Rapallini | 1 | 1 | - | - | 1 |
| Gianluca Rocchi | 2 | 1 | - | - | 2 |
| Wilfried Bien | 2 | 1 | - | - | 2 |
| Fredy Fautrel | 2 | 1 | - | - | 2 |
| Jesus Gil Manzano | 2 | 1 | - | - | 2 |
| Orel Grinfeld | 2 | 1 | - | - | 2 |
| Daniel Schlager | 3 | 1 | - | - | 3 |
| Danny Desmond Makkelie | 4 | 1 | - | - | 4 |
| Anthony Taylor | 5 | 1 | - | - | 5 |
| Guido Winkmann | 5 | 1 | - | - | 5 |
| Bastian Dankert | 9 | 1 | - | - | 9 |
| Sascha Stegemann | 9 | 1 | - | - | 9 |
P = Matches played,
C = Cards .