| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Emidio Morganti | 4 | 3 | - | - | 1.33 |
| Nicola Rizzoli | 7 | 3 | - | - | 2.33 |
| Howard Webb | 3 | 2 | - | - | 1.5 |
| Benito Archundia | 4 | 2 | - | - | 2 |
| Paolo Tagliavento | 6 | 2 | - | - | 3 |
| Jaroslav Jara | 1 | 1 | - | - | 1 |
| Carlos Simon | 1 | 1 | - | - | 1 |
| Alain Hamer | 1 | 1 | - | - | 1 |
| Eduardo Iturralde Gonzalez | 1 | 1 | - | - | 1 |
| Claus Bo Larsen | 1 | 1 | - | - | 1 |
| Peter Frojdfeldt | 2 | 1 | - | 1 | 1 |
| Pieter Vink | 2 | 1 | - | - | 2 |
| Konrad Plautz | 2 | 1 | - | - | 2 |
| Antonio Damato | 2 | 1 | - | - | 2 |
| Gabriele Gava | 4 | 1 | - | - | 4 |
| Matteo Trefoloni | 4 | 1 | - | - | 4 |
| Graham Poll | 4 | 1 | - | - | 4 |
| Stefano Farina | 4 | 1 | - | - | 4 |
| Lubos Michel | 6 | 1 | - | - | 6 |
| Gianluca Rocchi | 7 | 1 | 1 | - | 3.5 |
| Florian Meyer | 2 | 0 | 1 | - | 2 |
P = Matches played,
C = Cards .