First League
Bulgaria
| Referee | Games |  |  | Cards per game |
|---|
| Stefan Apostolov | 10 | 71 | 2 | 7.3 (7.1 / 0.2) | |
| Volen Chinkov | 11 | 67 | 2 | 6.3 (6.1 / 0.2) | |
| Georgi Davidov | 9 | 46 | 2 | 5.3 (5.1 / 0.2) | |
| Georgi Dimitrov | 2 | 16 | 0 | 8.0 (8.0 / 0.0) | |
| Dragomir Draganov | 15 | 53 | 3 | 3.7 (3.5 / 0.2) | |
| Nedelcho Gadzhalov | 6 | 20 | 0 | 3.3 (3.3 / 0.0) | |
| Radoslav Gidzhenov | 6 | 26 | 3 | 4.8 (4.3 / 0.5) | |
| Georgi Ivanov | 6 | 19 | 2 | 3.5 (3.2 / 0.3) | |
| Georgi Kabakov | 14 | 87 | 4 | 6.5 (6.2 / 0.3) | |
| Rosen Kirilov | 2 | 10 | 0 | 5.0 (5.0 / 0.0) | |
| Petar Kirilov Kostadinov | 12 | 58 | 4 | 5.1 (4.8 / 0.3) | |
| Nikola Popov | 16 | 73 | 3 | 4.8 (4.6 / 0.2) | |
| Stanislav Stavrov | 7 | 32 | 1 | 4.7 (4.6 / 0.1) | |
| Ivajilo Stoyanov | 11 | 53 | 4 | 5.2 (4.8 / 0.4) | |
| Stanislav Todorov | 16 | 71 | 3 | 4.6 (4.4 / 0.2) | |
| Stanimir Trenchev | 3 | 7 | 0 | 2.3 (2.3 / 0.0) | |
| Valdimir Valkov | 11 | 42 | 1 | 3.9 (3.8 / 0.1) | |
| Nikolay Yordanov | 14 | 68 | 1 | 5.0 (4.9 / 0.1) | |
| Valentin Zhelezov | 9 | 49 | 1 | 5.5 (5.4 / 0.1) | |
England