First League
Bulgaria
| Referee | Games |  |  | Cards per game |
|---|
| Stoyan Arsov | 6 | 25 | 1 | 4.4 (4.2 / 0.2) | |
| Volen Chinkov | 11 | 56 | 4 | 5.5 (5.1 / 0.4) | |
| Georgi Davidov | 9 | 51 | 3 | 6.0 (5.7 / 0.3) | |
| Dimitar Dimitrov | 9 | 42 | 5 | 5.3 (4.7 / 0.6) | |
| Dragomir Draganov | 11 | 34 | 5 | 3.6 (3.1 / 0.5) | |
| Krasen Georgiev | 5 | 24 | 0 | 4.8 (4.8 / 0.0) | |
| Radoslav Gidzhenov | 10 | 58 | 6 | 6.4 (5.8 / 0.6) | |
| Georgi Ginchev | 9 | 47 | 3 | 5.5 (5.2 / 0.3) | |
| Mariyan Grebencharski | 10 | 35 | 1 | 3.6 (3.5 / 0.1) | |
| Hristiyana Guteva | 2 | 11 | 0 | 5.5 (5.5 / 0.0) | |
| Georgi Kabakov | 12 | 74 | 5 | 6.6 (6.2 / 0.4) | |
| Todor Kirov | 6 | 18 | 0 | 3.0 (3.0 / 0.0) | |
| Kristiyan Kolev | 8 | 37 | 0 | 4.6 (4.6 / 0.0) | |
| Lyuboslav Lyubomirov | 7 | 29 | 2 | 4.4 (4.1 / 0.3) | |
| Martin Markov | 5 | 26 | 1 | 5.4 (5.2 / 0.2) | |
| Vasil Minev | 8 | 28 | 2 | 3.8 (3.5 / 0.3) | |
| Ventislav Mitrev | 9 | 49 | 2 | 5.6 (5.4 / 0.2) | |
| Mihael Pavlov | 4 | 22 | 0 | 5.5 (5.5 / 0.0) | |
| Gero Piskov | 5 | 27 | 3 | 6.0 (5.4 / 0.6) | |
| Nikola Popov | 12 | 61 | 2 | 5.3 (5.1 / 0.2) | |
| Denislav Stalev | 3 | 18 | 3 | 7.0 (6.0 / 1.0) | |
| Georgi Stoyanov | 5 | 20 | 2 | 4.4 (4.0 / 0.4) | |
| Stanimir Trenchev | 5 | 21 | 1 | 4.4 (4.2 / 0.2) | |
| Martin Velikov | 8 | 28 | 2 | 3.8 (3.5 / 0.3) | |
| Valentin Zhelezov | 8 | 38 | 0 | 4.8 (4.8 / 0.0) | |
England