| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Phil Dowd | 15 | 6 | - | - | 2.5 |
| Paolo Tagliavento | 8 | 4 | - | - | 2 |
| Chris Foy | 17 | 4 | - | - | 4.25 |
| Davide Massa | 12 | 3 | - | - | 4 |
| Daniele Orsato | 13 | 3 | - | - | 4.33 |
| Gianluca Rocchi | 13 | 3 | - | - | 4.33 |
| Howard Webb | 15 | 3 | - | - | 5 |
| Andre Marriner | 22 | 3 | - | 1 | 5.5 |
| Mike Dean | 27 | 3 | - | - | 9 |
| Aleksey Kulbakov | 2 | 2 | - | 1 | 0.67 |
| Massimiliano Saccini | 5 | 2 | - | - | 2.5 |
| Mauro Bergonzi | 5 | 2 | - | - | 2.5 |
| Jonas Eriksson | 5 | 2 | - | - | 2.5 |
| Nicola Pierpaoli | 6 | 2 | - | - | 3 |
| Bjorn Kuipers | 7 | 2 | - | - | 3.5 |
| Craig Pawson | 7 | 2 | - | - | 3.5 |
| Cuneyt Cakir | 9 | 2 | - | - | 4.5 |
| Gianpaulo Calvarese | 9 | 2 | - | - | 4.5 |
| Neil Swarbrick | 9 | 2 | - | - | 4.5 |
| Paolo Mazzoleni | 10 | 2 | - | 1 | 3.33 |
| Robert Madley | 11 | 2 | - | - | 5.5 |
| Lee Mason | 11 | 2 | - | - | 5.5 |
| Ivan Bebek | 1 | 1 | - | - | 1 |
| Cyril Zimmermann | 1 | 1 | - | - | 1 |
| Orel Grinfeld | 1 | 1 | - | - | 1 |
| Vladislav Bezborodov | 1 | 1 | - | - | 1 |
| Svein Oddvar Moen | 2 | 1 | - | - | 2 |
| David Fernandez Borbalan | 2 | 1 | - | 1 | 1 |
| Tom Harald Hagen | 2 | 1 | - | - | 2 |
| Massimiliano Velotto | 2 | 1 | - | 1 | 1 |
| Bobby Madden | 2 | 1 | - | - | 2 |
| Stephane Lannoy | 2 | 1 | - | - | 2 |
| Paul Tierney | 2 | 1 | - | - | 2 |
| Carmine Russo | 3 | 1 | - | - | 3 |
| Emidio Morganti | 3 | 1 | - | - | 3 |
| Roberto Rosetti | 3 | 1 | 1 | - | 1.5 |
| Georgi Kabakov | 3 | 1 | - | - | 3 |
| Viktor Kassai | 3 | 1 | - | - | 3 |
| Ovidiu Hategan | 3 | 1 | - | - | 3 |
| Carlos Velasco Carballo | 3 | 1 | - | - | 3 |
| Antonio Damato | 4 | 1 | - | - | 4 |
| Danny Desmond Makkelie | 4 | 1 | - | - | 4 |
| Pavel Kralovec | 4 | 1 | - | - | 4 |
| Luca Banti | 4 | 1 | - | - | 4 |
| Roger East | 5 | 1 | - | - | 5 |
| Alberto Undiano Mallenco | 5 | 1 | - | - | 5 |
| Domenico Celi De Campobasso | 6 | 1 | - | - | 6 |
| Christian Brighi | 6 | 1 | - | - | 6 |
| Damir Skomina | 6 | 1 | - | - | 6 |
| Gianluca Manganiello | 7 | 1 | - | - | 7 |
| Nicola Rizzoli | 7 | 1 | - | - | 7 |
| Lee Probert | 10 | 1 | - | - | 10 |
| Michael Fabbri | 11 | 1 | - | - | 11 |
| Marco Guida | 12 | 1 | - | - | 12 |
| Marco di Bello | 13 | 1 | - | - | 13 |
| Anthony Taylor | 14 | 1 | - | - | 14 |
| Kevin Friend | 15 | 1 | - | - | 15 |
| Martin Atkinson | 22 | 1 | - | - | 22 |
| Mark Clattenburg | 24 | 1 | - | - | 24 |
| Oscar Giraldi | 1 | 0 | 1 | - | 1 |
P = Matches played,
C = Cards .