| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Michael Oliver | 25 | 8 | - | 1 | 2.78 |
| Anthony Taylor | 18 | 6 | - | - | 3 |
| Cuneyt Cakir | 4 | 4 | - | - | 1 |
| Ricardo de Burgos | 7 | 4 | - | - | 1.75 |
| Alejandro Jose Hernandez Hernandez | 6 | 3 | - | - | 2 |
| Martin Atkinson | 15 | 3 | - | - | 5 |
| Craig Pawson | 17 | 3 | - | - | 5.67 |
| Kevin Friend | 18 | 3 | - | - | 6 |
| Felix Zwayer | 2 | 2 | - | - | 1 |
| Paolo Mazzoleni | 4 | 2 | - | - | 2 |
| Andrea Romeo | 4 | 2 | - | - | 2 |
| Davide Massa | 4 | 2 | - | - | 2 |
| Guillermo Cuadra Fernandez | 5 | 2 | - | 1 | 1.67 |
| Mark Clattenburg | 8 | 2 | - | - | 4 |
| Jose Maria Sanchez Martinez | 8 | 2 | - | - | 4 |
| Paul Tierney | 9 | 2 | - | - | 4.5 |
| Jaime Latre-Santiago | 1 | 1 | - | - | 1 |
| Marcelo de Lima | 1 | 1 | - | - | 1 |
| Glenn Nyberg | 1 | 1 | - | - | 1 |
| Benoit Bastien | 1 | 1 | - | - | 1 |
| Daniel Siebert | 1 | 1 | - | - | 1 |
| Radu Petrescu | 1 | 1 | - | - | 1 |
| Francois Letexier | 2 | 1 | - | - | 2 |
| Lee Probert | 2 | 1 | - | - | 2 |
| Miguel Angel Ortiz Arias | 2 | 1 | - | - | 2 |
| Andrea Gervasoni | 2 | 1 | - | - | 2 |
| Pablo Gonzalez Fuertes | 2 | 1 | - | - | 2 |
| Maurizio Mariani | 2 | 1 | - | - | 2 |
| Stuart Attwell | 3 | 1 | - | - | 3 |
| Nicola Rizzoli | 3 | 1 | - | - | 3 |
| Daniele Orsato | 4 | 1 | - | - | 4 |
| Marco Guida | 5 | 1 | - | - | 5 |
| Neil Swarbrick | 5 | 1 | - | - | 5 |
| Javier Iglesias Villanueva | 5 | 1 | - | - | 5 |
| Antonio Miguel Mateu Lahoz | 6 | 1 | - | - | 6 |
| Chris Kavanagh | 7 | 1 | - | - | 7 |
| Jesus Gil Manzano | 7 | 1 | - | - | 7 |
| Robert Madley | 8 | 1 | - | - | 8 |
| Mike Jones | 8 | 1 | - | - | 8 |
| Mike Dean | 18 | 1 | - | - | 18 |
| Jonathan Moss | 19 | 1 | - | - | 19 |
| Luca Banti | 6 | 0 | 1 | - | 6 |
P = Matches played,
C = Cards .