| Referee | P | FH(AM) | SH (AM) |  |
 |
 |
/Match |
Cards/Match |
|---|---|---|---|---|---|---|---|---|
| Wayne Barnes (Eng) | 24 | 12(11) | 9(7) | 21 | - | 2 | 0.88 | 0.96 |
| Jonathan Kaplan | 14 | 6(7) | 8(0) | 14 | - | 1 | 1 | 1.07 |
| Steve Walsh | 12 | 3(13) | 8(15) | 11 | - | - | 0.92 | 0.92 |
| Jerome Garces | 11 | 6(14) | 4(13) | 10 | - | - | 0.91 | 0.91 |
| Nigel Owens | 19 | 1(0) | 9(15) | 10 | - | 2 | 0.53 | 0.63 |
| Craig Joubert | 12 | 3(12) | 7(54) | 10 | - | - | 0.83 | 0.83 |
| Mathieu Raynal | 6 | 5(6) | 4(46) | 9 | - | 2 | 1.5 | 1.83 |
| Romain Poite | 11 | 4(14) | 4(11) | 8 | - | - | 0.73 | 0.73 |
| Pascal Gauzere | 8 | 4(17) | 4(32) | 8 | - | 1 | 1 | 1.13 |
| Jaco Peyper | 12 | 6(11) | 2(51) | 8 | 1 | 2 | 0.67 | 0.92 |
| Nic Berry | 7 | 4(16) | 3(29) | 7 | - | 2 | 1 | 1.29 |
| Stuart Dickinson (Aust) | 7 | 2(20) | 5(0) | 7 | - | - | 1 | 1 |
| Paul Williams | 7 | 3(23) | 3(65) | 6 | - | - | 0.86 | 0.86 |
| Angus Gardner | 6 | 2(27) | 3(36) | 5 | - | - | 0.83 | 0.83 |
| 3 | 1(32) | 4(65) | 5 | - | - | 1.67 | 1.67 | |
| Paul Honiss (NZ) | 9 | 3(27) | 2(31) | 5 | 2 | - | 0.56 | 0.78 |
| George Clancy | 7 | 3(38) | 2(26) | 5 | - | - | 0.71 | 0.71 |
| Alain Rolland (Ire) | 14 | -(-) | 4(0) | 4 | - | 2 | 0.29 | 0.43 |
| Chris White (Eng) | 10 | 1(0) | 3(47) | 4 | - | - | 0.4 | 0.4 |
| John Lacey | 4 | 3(22) | 1(70) | 4 | - | - | 1 | 1 |
| JP Doyle | 3 | 1(3) | 3(61) | 4 | - | 1 | 1.33 | 1.67 |
| Karl Dickson | 4 | 2(30) | 2(60) | 4 | - | 2 | 1 | 1.5 |
| Nika Amashukeli | 3 | 2(24) | 2(60) | 4 | - | - | 1.33 | 1.33 |
| Allan Lewis (Ire) | 5 | 1(29) | 2(63) | 3 | - | - | 0.6 | 0.6 |
| Matt Carley | 3 | -(-) | 3(71) | 3 | - | 1 | 1 | 1.33 |
| Tony Spreadbury (Eng) | 7 | 1(25) | 2(26) | 3 | - | - | 0.43 | 0.43 |
| Ben O'Keefe | 7 | 2(25) | 1(0) | 3 | 1 | - | 0.43 | 0.57 |
| Derek Bevan | 11 | 1(2) | 2(60) | 3 | - | - | 0.27 | 0.27 |
| Luke Pearce | 5 | 2(20) | 1(0) | 3 | - | 1 | 0.6 | 0.8 |
| Chris Pollock | 3 | 2(35) | 1(73) | 3 | - | - | 1 | 1 |
| Andrew Cole | 5 | 3(7) | -(-) | 3 | - | - | 0.6 | 0.6 |
| Glen Jackson | 3 | 1(18) | 2(52) | 3 | - | - | 1 | 1 |
| David Pearson (Eng) | 4 | 1(31) | 2(70) | 3 | - | - | 0.75 | 0.75 |
| David McHugh (I) | 5 | -(-) | 3(25) | 3 | 4 | 3 | 0.6 | 2 |
| N Williams (Wal) | 3 | -(-) | 2(79) | 2 | - | - | 0.67 | 0.67 |
| Paddy O'Brien | 5 | 1(23) | 1(53) | 2 | 5 | - | 0.4 | 1.4 |
| Pali De Luca (Arg) | 3 | -(-) | 2(61) | 2 | - | - | 0.67 | 0.67 |
| 2 | 2(40) | -(-) | 2 | - | - | 1 | 1 | |
| Andrew Brace | 3 | 1(11) | 1(66) | 2 | - | - | 0.67 | 0.67 |
| Marius Jonker | 3 | 2(24) | -(-) | 2 | - | - | 0.67 | 0.67 |
| Ed Morrison (Eng) | 8 | -(-) | 1(79) | 1 | - | 1 | 0.13 | 0.25 |
| Clayton Thomas | 4 | 1(31) | -(-) | 1 | - | - | 0.25 | 0.25 |
| Bryce Lawrence | 5 | 1(34) | -(-) | 1 | - | - | 0.2 | 0.2 |
P = Matches played ,
FH = First half ,
SH = Second half ,
AM = Average Minute.
10 years of data.