First League
Bulgaria
| Referee | Games |  |  | Cards per game |
|---|
| Ivo Andreev | 8 | 31 | 2 | 4.2 (3.9 / 0.3) | |
| Stoyan Arsov | 7 | 32 | 1 | 4.7 (4.6 / 0.1) | |
| Volen Chinkov | 15 | 76 | 4 | 5.4 (5.1 / 0.3) | |
| Georgi Davidov | 13 | 59 | 5 | 4.9 (4.5 / 0.4) | |
| Dimitar Dimitrov | 15 | 58 | 0 | 3.9 (3.9 / 0.0) | |
| Dragomir Draganov | 17 | 74 | 5 | 4.7 (4.4 / 0.3) | |
| Vladimir El-Khatib | 5 | 28 | 0 | 5.6 (5.6 / 0.0) | |
| Krasen Georgiev | 9 | 57 | 0 | 6.3 (6.3 / 0.0) | |
| Radoslav Gidzhenov | 16 | 86 | 4 | 5.7 (5.4 / 0.3) | |
| Georgi Ginchev | 14 | 71 | 6 | 5.5 (5.1 / 0.4) | |
| Mariyan Grebencharski | 11 | 58 | 4 | 5.7 (5.3 / 0.4) | |
| Hristiyana Guteva | 4 | 17 | 2 | 4.8 (4.3 / 0.5) | |
| Georgi Kabakov | 16 | 88 | 6 | 5.9 (5.5 / 0.4) | |
| Kristiyan Kolev | 9 | 43 | 6 | 5.5 (4.8 / 0.7) | |
| Petar Kuzev | 2 | 14 | 0 | 7.0 (7.0 / 0.0) | |
| Lyuboslav Lyubomirov | 6 | 27 | 4 | 5.2 (4.5 / 0.7) | |
| Martin Markov | 3 | 8 | 1 | 3.0 (2.7 / 0.3) | |
| Vasil Minev | 7 | 28 | 1 | 4.1 (4.0 / 0.1) | |
| Vihren Minev | 4 | 11 | 1 | 3.1 (2.8 / 0.3) | |
| Ventislav Mitrev | 10 | 47 | 4 | 5.1 (4.7 / 0.4) | |
| Mihael Pavlov | 6 | 27 | 2 | 4.8 (4.5 / 0.3) | |
| Nikola Popov | 13 | 55 | 3 | 4.4 (4.2 / 0.2) | |
| Denislav Stalev | 5 | 27 | 2 | 5.8 (5.4 / 0.4) | |
| Stanimir Trenchev | 7 | 25 | 1 | 3.7 (3.6 / 0.1) | |
| Vladimir Valkov | 10 | 41 | 3 | 4.4 (4.1 / 0.3) | |
| Martin Velikov | 12 | 48 | 2 | 4.2 (4.0 / 0.2) | |
| Valentin Zhelezov | 14 | 68 | 2 | 5.0 (4.9 / 0.1) | |
Germany
