| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Iwan Griffith |
|
16 | 5 | 4 | 7 | 2 | 1 | 0 | 0 |
| Nick Pratt |
|
15 | 7 | 1 | 7 | 3 | 0 | 0 | 0 |
| Tom Owen |
|
12 | 8 | 0 | 4 | 4 | 0 | 0 | 0 |
| Bryn Markham-Jones |
|
11 | 3 | 2 | 6 | 4 | 1 | 0 | 0 |
| Huw Jones |
|
10 | 5 | 1 | 4 | 2 | 0 | 0 | 0 |
| Kevin Parry |
|
9 | 3 | 4 | 2 | 5 | 0 | 0 | 0 |
| John Jones |
|
9 | 3 | 1 | 5 | 1 | 0 | 0 | 0 |
| Simon Evans |
|
7 | 3 | 0 | 4 | 4 | 0 | 0 | 0 |
| Rob Jenkins |
|
7 | 1 | 1 | 5 | 1 | 0 | 0 | 0 |
| Dean John |
|
7 | 1 | 2 | 4 | 0 | 1 | 0 | 0 |
| Mark Petch |
|
7 | 2 | 2 | 3 | 0 | 0 | 0 | 0 |
| Tom Williams |
|
6 | 3 | 2 | 1 | 2 | 0 | 0 | 0 |
| Alex Livesey |
|
5 | 2 | 1 | 2 | 1 | 0 | 0 | 0 |
| Richard Harrington |
|
4 | 2 | 1 | 1 | 3 | 0 | 0 | 0 |
| Cheryl Foster |
|
4 | 1 | 2 | 1 | 1 | 0 | 0 | 0 |
| David Morgan |
|
4 | 1 | 1 | 2 | 1 | 0 | 0 | 0 |
| Thomas Owen |
|
3 | 2 | 0 | 1 | 2 | 0 | 0 | 0 |
| Ryan Kenny |
|
3 | 0 | 1 | 2 | 0 | 1 | 0 | 0 |
| Alexander McInch |
|
3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
| Kris Hames |
|
2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Referee | Country | |
W | D | L | |
|
|
|
| Ben Williams |
|
2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
| Christopher Jäger |
|
1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
| Egill Arnar Sigurþórsson |
|
1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| Luca Barbeno |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Jason Barcelo |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Andrei Chivulete |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Dejan Jakimovski |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Aaron Jones |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Jochem Kamphuis |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Gavin Townsend |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
