| Referee | Games |  |  | Cards per game |
|---|
| Shane Andrews | 16 | 43 | 6 | 3.1 (2.7 / 0.4) | |
| Evan Boyce | 15 | 52 | 3 | 3.7 (3.5 / 0.2) | |
| Tony Clarke | 11 | 51 | 3 | 4.9 (4.6 / 0.3) | |
| Niall Devlin | 4 | 14 | 0 | 3.5 (3.5 / 0.0) | |
| Mark Dillon | 11 | 46 | 2 | 4.4 (4.2 / 0.2) | |
| Ross Dunlop | 9 | 22 | 1 | 2.5 (2.4 / 0.1) | |
| Steven Gregg | 21 | 99 | 5 | 4.9 (4.7 / 0.2) | |
| Declan Hassan | 18 | 70 | 7 | 4.3 (3.9 / 0.4) | |
| Robert Hennessy | 1 | 5 | 0 | 5.0 (5.0 / 0.0) | |
| Tim Marshall | 21 | 68 | 4 | 3.4 (3.2 / 0.2) | |
| Shane McGonigle | 17 | 64 | 5 | 4.1 (3.8 / 0.3) | |
| Michael McKenna | 3 | 8 | 0 | 2.7 (2.7 / 0.0) | |
| Ben McMaster | 17 | 73 | 3 | 4.5 (4.3 / 0.2) | |
| Ian McNabb | 10 | 32 | 0 | 3.2 (3.2 / 0.0) | |
| Mark Milligan | 3 | 16 | 0 | 5.3 (5.3 / 0.0) | |
| Chris Morrison | 15 | 56 | 6 | 4.1 (3.7 / 0.4) | |
| Jamie Robinson | 14 | 69 | 7 | 5.4 (4.9 / 0.5) | |
| Louise Thompson | 16 | 61 | 4 | 4.1 (3.8 / 0.3) | |
