| Referee | Country |  |
W | D | L |  |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|
| Nick Pratt |
|
19 | 8 | 3 | 8 | 5 | 3 | 1 | 0 |
| Iwan Griffith |
|
13 | 8 | 2 | 3 | 4 | 1 | 0 | 0 |
| Mark Petch |
|
13 | 8 | 0 | 5 | 1 | 1 | 0 | 0 |
| Bryn Markham-Jones |
|
12 | 6 | 2 | 4 | 0 | 1 | 0 | 1 |
| Huw Jones |
|
11 | 4 | 0 | 7 | 1 | 1 | 0 | 0 |
| Rob Jenkins |
|
10 | 5 | 1 | 4 | 3 | 1 | 0 | 0 |
| Simon Evans |
|
9 | 4 | 2 | 3 | 2 | 0 | 0 | 0 |
| John Jones |
|
9 | 3 | 0 | 6 | 1 | 0 | 0 | 0 |
| Dean John |
|
8 | 1 | 2 | 5 | 3 | 1 | 0 | 0 |
| David Morgan |
|
7 | 6 | 0 | 1 | 4 | 1 | 0 | 0 |
| Alex Livesey |
|
7 | 2 | 2 | 3 | 1 | 0 | 0 | 0 |
| Alexander McInch |
|
7 | 2 | 1 | 4 | 0 | 0 | 0 | 0 |
| Tom Owen |
|
6 | 1 | 0 | 5 | 2 | 0 | 0 | 0 |
| Kevin Parry |
|
6 | 5 | 0 | 1 | 2 | 0 | 0 | 0 |
| Aaron Jones |
|
5 | 1 | 1 | 3 | 1 | 1 | 0 | 0 |
| Tom Williams |
|
4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 |
| Cheryl Foster |
|
3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
| Richard Harrington |
|
3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
| Leigh Jones |
|
3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
| Thomas Owen |
|
3 | 1 | 0 | 2 | 0 | 1 | 1 | 0 |
| Referee | Country | |
W | D | L | |
|
|
|
| Ben Williams |
|
3 | 0 | 0 | 3 | 0 | 1 | 0 | 0 |
| Kris Hames |
|
2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| Levan Kvaratskhelia |
|
1 | 0 | 0 | 1 | 2 | 0 | 0 | 0 |
| Conor Charlton-Fleming |
|
1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| Clayton Pisani |
|
1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 |
| Darryl Agius |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Þorvaldur Árnason |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Cristian Balaj |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Luca Barbeno |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Alain Bieri |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Darko Čeferin |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Lars Christoffersen |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Siôn Davies |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Sebastien Delférière |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Jöuni Hietala |
|
1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| Helgi Mikael Jónasson |
|
1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Hannes Kaasik |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Jakob Kehlet |
|
1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| Ryan Kenny |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Etienne Mangion |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Referee | Country | |
W | D | L | |
|
|
|
| Bas Nijhuis |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Bardhyl Pashaj |
|
1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| Pavle Radovanović |
|
1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| Brage Sandmoen |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Gavin Townsend |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| István Vad II. |
|
1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Lawrence Visser |
|
1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
| Luc Wouters |
|
1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Fyodor Zammit |
|
1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
