First League
Bulgaria
| Referee | Games |  |  | Cards per game |
|---|
| Ivo Andreev | 8 | 49 | 2 | 6.4 (6.1 / 0.3) | |
| Volen Chinkov | 17 | 96 | 5 | 5.9 (5.6 / 0.3) | |
| Georgi Davidov | 11 | 66 | 3 | 6.3 (6.0 / 0.3) | |
| Georgi Dimitrov | 13 | 60 | 3 | 4.8 (4.6 / 0.2) | |
| Dimitar Dimitrov | 6 | 30 | 2 | 5.3 (5.0 / 0.3) | |
| Dimo Dimov | 4 | 21 | 0 | 5.3 (5.3 / 0.0) | |
| Dragomir Draganov | 11 | 57 | 6 | 5.7 (5.2 / 0.5) | |
| Vladimir El-Khatib | 7 | 40 | 1 | 5.8 (5.7 / 0.1) | |
| Krasen Georgiev | 3 | 23 | 2 | 8.4 (7.7 / 0.7) | |
| Radoslav Gidzhenov | 11 | 62 | 3 | 5.9 (5.6 / 0.3) | |
| Georgi Ginchev | 15 | 96 | 3 | 6.6 (6.4 / 0.2) | |
| Georgi Ivanov | 7 | 22 | 2 | 3.4 (3.1 / 0.3) | |
| Georgi Kabakov | 18 | 100 | 2 | 5.7 (5.6 / 0.1) | |
| Ivaylo Nenkov | 5 | 21 | 2 | 4.6 (4.2 / 0.4) | |
| Nikola Popov | 18 | 76 | 5 | 4.5 (4.2 / 0.3) | |
| Mustafa Shefket | 1 | 3 | 0 | 3.0 (3.0 / 0.0) | |
| Ivajilo Stoyanov | 11 | 76 | 9 | 7.7 (6.9 / 0.8) | |
| Stanislav Todorov | 12 | 66 | 2 | 5.7 (5.5 / 0.2) | |
| Stanimir Trenchev | 13 | 59 | 2 | 4.7 (4.5 / 0.2) | |
| Valdimir Valkov | 9 | 54 | 4 | 6.4 (6.0 / 0.4) | |
| Ivelin Zanev | 6 | 32 | 1 | 5.5 (5.3 / 0.2) | |
| Valentin Zhelezov | 15 | 85 | 10 | 6.4 (5.7 / 0.7) | |
England