Leagues and Clubs of Bulgaria1990/91
A PFG (1. League)
- 1. Etar Veliko Tarnovo
- 2. CSKA Sofia
- 3. Slavia Sofia
- 4. Lokomotiv Sofia
- 5. Botev Plovdiv
- 6. Levski Sofia
- 7. Chernomorets Burgas
- 8. Lokomotiv Gorna Oryahovitsa
- 9. Beroe Stara Zagora
- 10. Minyor Pernik
- 11. Lokomotiv Plovdiv
- 12. Pirin Blagoevgrad
- 13. FK Sliven
- 14. Yantra Gabrovo
- 15. Dunav Ruse
- 16. FK Haskovo
B RFG (2. League)
- Akademik Sofia
- Akademik Svishtov
- Bdin Vidin
- Botev Vratsa
- Cherno More Varna
- Cherveno Zname Pavlikeni
- Chumerna Elena
- Dobrudzha Dobrich
- Dorostol Silistra
- Hebar Pazardzhik
- Osam Lovech
- Pirin Razlog
- Rozova Dolina Kazanlak
- Slanchev Bryag Nesebar
- Spartak Pleven
- Spartak Varna
- Svetkavitsa Targovishte
- Velbazhd Kyustendil
V Grupa (3. League)
- Arda Kardzhali
- Asenovets Asenovgrad
- Belasitsa Petrich
- Chepinets Velingrad
- Chernolomets Popovo
- Chernomorets Balchik
- Energetik Galabovo
- FK Bankya
- FK Dimitrovgrad
- FK Shumen
- Hebros Harmanli
- Kaliakra Kavarna
- Kom Berkovitsa
- Levski Lom
- Lokomotiv Dryanovo
- Lokomotiv Mezdra
- Lokomotiv Ruse
- Lokomotiv Stara Zagora
- Ludogorets Razgrad
- Marek Dupnitsa
- Maritsa Iztok Radnevo
- Maritsa Plovdiv
- Metalurg Pernik
- Minyor Bobov Dol
- Neftohimik Burgas
- Ovech Provadia
- Pirin Gotse Delchev
- Pirin Gotse Delchev
- Rakovski Sevlievo
- Rilski Sportist Samokov
- Septemvri Simitli
- Spartak Plovdiv
- Strumska Slava Radomir
- Tundzha Yambol
- Vihren Sandanski
