| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Bryn Markham-Jones |
|
11 | 5 | 5 | 1 | 0 | 1 | 0 | 0 |
| Alexander McInch |
|
7 | 1 | 3 | 3 | 0 | 1 | 0 | 0 |
| Iwan Griffith |
|
6 | 2 | 1 | 3 | 0 | 0 | 0 | 0 |
| Nick Pratt |
|
5 | 2 | 0 | 3 | 0 | 0 | 0 | 0 |
| Rob Jenkins |
|
4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 |
| Ryan Kenny |
|
4 | 1 | 1 | 2 | 0 | 0 | 0 | 0 |
| Ben Williams |
|
4 | 3 | 0 | 1 | 0 | 0 | 0 | 0 |
| Huw Jones |
|
3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 |
| Aaron Jones |
|
3 | 1 | 0 | 2 | 0 | 0 | 0 | 0 |
| David Morgan |
|
3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
| Tom Owen |
|
3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
| Alex Livesey |
|
2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| Christian-Petru Ciochirca |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Cheryl Foster |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mark James |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| John Jones |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Ívar Orri Kristjánsson |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| James Walker |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Richard Wright |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
