C
----------------------------------------------------------------------

CFK: Sdruzhenie futbolen klub
CFK: (Football Club Association, Fußballverein)
CSKA: Centralen Sporten Klub na Armiyata
CSKA: (Central Sports Club of the Army; Zentraler Sportklub der Armee)

D
----------------------------------------------------------------------

DFS: Druzhestvo za Fizicheska Kultura i Sport
DFS: (Association for Physical Culture and Sports; Verein für Körperkultur und Sport)

F
----------------------------------------------------------------------

FK: Futbolen klub
FK: Football Club, Fußballclub)

O
----------------------------------------------------------------------

OFK: Obchtinski Futbolen Klub
OFK: (Community Football Club)

P
----------------------------------------------------------------------

PFK: Profesionalen futbolen klub
PFK: (Professional Football Club; Professioneller Fußballclub)

S
----------------------------------------------------------------------

SFK: Sporten futbolen klub
SFK: (Sports Football Club; Sport- und Fußballverein)