| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Nicola Rizzoli | 13 | 4 | - | 1 | 2.6 |
| Carlos Clos Gomez | 2 | 2 | - | - | 1 |
| Markus Merk | 4 | 2 | - | 1 | 1.33 |
| Carlos Simon | 1 | 1 | - | - | 1 |
| Jose-Maria Garcia Aranda | 1 | 1 | - | - | 1 |
| Mike Riley | 1 | 1 | - | - | 1 |
| Horacio Elizondo | 1 | 1 | - | - | 1 |
| Cristian Balaj | 1 | 1 | - | - | 1 |
| Jorge Larrionda | 1 | 1 | - | - | 1 |
| Rob Styles | 1 | 1 | - | - | 1 |
| Jan Wegereef | 1 | 1 | - | - | 1 |
| Fernando Teixeira Vitienes | 2 | 1 | - | - | 2 |
| Peter Frojdfeldt | 2 | 1 | - | - | 2 |
| Terje Hauge | 2 | 1 | - | - | 2 |
| Felix Brych | 2 | 1 | - | - | 2 |
| Claus Bo Larsen | 2 | 1 | - | - | 2 |
| Antonio Rubinos Perez | 2 | 1 | - | - | 2 |
| Luis Medina Cantalejo | 3 | 1 | - | - | 3 |
| Paolo Valeri | 3 | 1 | - | - | 3 |
| Valentin Ivanov | 3 | 1 | - | - | 3 |
| Alfonso Perez Burrull | 3 | 1 | - | - | 3 |
| Alberto Undiano Mallenco | 3 | 1 | - | - | 3 |
| Luca Banti | 4 | 1 | - | - | 4 |
| Kyros Vassaras | 4 | 1 | - | - | 4 |
| Urs Meier | 4 | 1 | - | - | 4 |
| Wolfgang Stark | 4 | 1 | - | - | 4 |
| Howard Webb | 4 | 1 | - | - | 4 |
| Stefano Farina | 5 | 1 | - | - | 5 |
| Frank de Bleeckere | 5 | 1 | - | - | 5 |
| Gianluca Rocchi | 5 | 1 | - | - | 5 |
| Paolo Tagliavento | 6 | 1 | - | - | 6 |
| Roberto Rosetti | 6 | 1 | - | - | 6 |
| Graham Poll | 6 | 1 | - | - | 6 |
| Herbert Fandel | 7 | 1 | - | - | 7 |
| Arturo Dauben Ibanez | 1 | 0 | 1 | - | 1 |
P = Matches played,
C = Cards .