| Referee | P |  |
 |
 |
P / C |
|---|---|---|---|---|---|
| Nigel Owens | 20 | 2 | - | - | 10 |
| Sebastien Cloute | 1 | 1 | - | - | 1 |
| Jaco van Heerden | 1 | 1 | - | - | 1 |
| 1 | 1 | - | - | 1 | |
| Cyril Lafon | 3 | 1 | - | - | 3 |
| Christophe Berdos | 3 | 1 | - | - | 3 |
| Cedric Marchat | 4 | 1 | - | - | 4 |
| Greg Garner | 5 | 1 | - | 1 | 2.5 |
| Alexandre Ruiz | 5 | 1 | - | - | 5 |
| Luke Pearce | 6 | 1 | - | - | 6 |
| Wayne Barnes (Eng) | 15 | 1 | - | - | 15 |
P = Matches played,
C = Cards .