First League
Bulgaria
| Referee | Games |  |  | Cards per game |
|---|
| Ivo Andreev | 6 | 33 | 2 | 5.8 (5.5 / 0.3) | |
| Volen Chinkov | 8 | 45 | 3 | 6.0 (5.6 / 0.4) | |
| Ante Čulina | 1 | 7 | 0 | 7.0 (7.0 / 0.0) | |
| Georgi Davidov | 9 | 56 | 3 | 6.5 (6.2 / 0.3) | |
| Georgi Dimitrov | 3 | 21 | 2 | 7.7 (7.0 / 0.7) | |
| Dimitar Dimitrov | 5 | 22 | 1 | 4.6 (4.4 / 0.2) | |
| Dimo Dimov | 3 | 23 | 0 | 7.7 (7.7 / 0.0) | |
| Dragomir Draganov | 11 | 45 | 2 | 4.3 (4.1 / 0.2) | |
| Vladimir El-Khatib | 7 | 35 | 1 | 5.1 (5.0 / 0.1) | |
| Krasen Georgiev | 6 | 39 | 3 | 7.0 (6.5 / 0.5) | |
| Radoslav Gidzhenov | 7 | 31 | 2 | 4.7 (4.4 / 0.3) | |
| Georgi Ginchev | 8 | 43 | 5 | 6.0 (5.4 / 0.6) | |
| Georgi Ivanov | 5 | 16 | 1 | 3.4 (3.2 / 0.2) | |
| Georgi Kabakov | 9 | 48 | 2 | 5.5 (5.3 / 0.2) | |
| Nikolay Kolev | 1 | 4 | 0 | 4.0 (4.0 / 0.0) | |
| Kristiyan Kolev | 2 | 11 | 0 | 5.5 (5.5 / 0.0) | |
| Ivaylo Nenkov | 5 | 30 | 1 | 6.2 (6.0 / 0.2) | |
| Nikola Popov | 7 | 47 | 1 | 6.8 (6.7 / 0.1) | |
| Ivajilo Stoyanov | 6 | 41 | 2 | 7.1 (6.8 / 0.3) | |
| Stanislav Todorov | 12 | 62 | 3 | 5.5 (5.2 / 0.3) | |
| Stanimir Trenchev | 6 | 41 | 3 | 7.3 (6.8 / 0.5) | |
| Valdimir Valkov | 5 | 26 | 0 | 5.2 (5.2 / 0.0) | |
| Kevin Van Damme | 1 | 3 | 0 | 3.0 (3.0 / 0.0) | |
| Ivelin Zanev | 4 | 21 | 0 | 5.3 (5.3 / 0.0) | |
| Valentin Zhelezov | 7 | 30 | 2 | 4.6 (4.3 / 0.3) | |
England