First League
Bulgaria
| Referee | Games |  |  | Cards per game |
|---|
| Ivo Andreev | 13 | 63 | 2 | 5.0 (4.8 / 0.2) | |
| Stoyan Arsov | 7 | 37 | 0 | 5.3 (5.3 / 0.0) | |
| Volen Chinkov | 17 | 94 | 5 | 5.8 (5.5 / 0.3) | |
| Georgi Davidov | 15 | 88 | 7 | 6.4 (5.9 / 0.5) | |
| Dragomir Draganov | 16 | 69 | 4 | 4.6 (4.3 / 0.3) | |
| Vladimir El-Khatib | 12 | 74 | 6 | 6.7 (6.2 / 0.5) | |
| Krasen Georgiev | 6 | 44 | 2 | 7.6 (7.3 / 0.3) | |
| Kostadin Gerganchev | 1 | 2 | 0 | 2.0 (2.0 / 0.0) | |
| Radoslav Gidzhenov | 18 | 94 | 4 | 5.4 (5.2 / 0.2) | |
| Georgi Ginchev | 14 | 80 | 2 | 5.8 (5.7 / 0.1) | |
| Mariyan Grebencharski | 1 | 3 | 0 | 3.0 (3.0 / 0.0) | |
| Hristiyana Guteva | 1 | 1 | 0 | 1.0 (1.0 / 0.0) | |
| Georgi Ignatov | 1 | 3 | 1 | 4.0 (3.0 / 1.0) | |
| Georgi Ivanov | 5 | 23 | 1 | 4.8 (4.6 / 0.2) | |
| Georgi Kabakov | 18 | 92 | 7 | 5.5 (5.1 / 0.4) | |
| Kristiyan Kolev | 9 | 42 | 7 | 5.5 (4.7 / 0.8) | |
| Petar Kuzev | 9 | 56 | 3 | 6.5 (6.2 / 0.3) | |
| Lyuboslav Lyubomirov | 1 | 3 | 0 | 3.0 (3.0 / 0.0) | |
| Vasil Minev | 1 | 1 | 0 | 1.0 (1.0 / 0.0) | |
| Vihren Minev | 5 | 21 | 0 | 4.2 (4.2 / 0.0) | |
| Ventislav Mitrev | 5 | 24 | 0 | 4.8 (4.8 / 0.0) | |
| Ivaylo Nenkov | 8 | 44 | 3 | 5.9 (5.5 / 0.4) | |
| Michael Pavlov | 5 | 29 | 1 | 6.0 (5.8 / 0.2) | |
| Stefan Pavlov | 1 | 5 | 0 | 5.0 (5.0 / 0.0) | |
| Nikola Popov | 16 | 74 | 7 | 5.0 (4.6 / 0.4) | |
| Denislav Stalev | 1 | 3 | 0 | 3.0 (3.0 / 0.0) | |
| Ivajilo Stoyanov | 11 | 57 | 4 | 5.6 (5.2 / 0.4) | |
| Stanislav Todorov | 4 | 19 | 1 | 5.1 (4.8 / 0.3) | |
| Stanimir Trenchev | 15 | 65 | 1 | 4.4 (4.3 / 0.1) | |
| Valdimir Valkov | 15 | 66 | 2 | 4.5 (4.4 / 0.1) | |
| Martin Velikov | 5 | 29 | 0 | 5.8 (5.8 / 0.0) | |
| Ivelin Zanev | 7 | 48 | 5 | 7.6 (6.9 / 0.7) | |
| Valentin Zhelezov | 17 | 86 | 4 | 5.3 (5.1 / 0.2) | |
England