ClubLocationLeagueTierFounded
CSKA Lesicheri—Dissolved 2012—1948CSKA Sofia—Balgarska Parva Liga—1948
CSM Alexandria—Liga III—1948
Cambridge FC—NRFL Southern Conference—1948
Canchungo—Campeonato Nacional da Guiné-Bissau—1948
Canosa—Eccellenza Pugliese—1948Capistrello—Eccellenza Abruzzo—1948
Carmelita—Segunda División de Costa Rica—1948
Castelldefels—Tercera Federación - Grupo 5—1948
Cedronka—Klasa B - Kraków—1948
Chabab Mohammédia—Botola—1948
Chalkanoras Idaliou—B Katigorias Kyprou—1948
Chemie Zeitz—Dissolved 1990—1948
Chimaltenango—Segunda División de Ascenso—1948
Coastal Union—Ligi Kuu Tanzania Bara—1948
Colo Colo—Campeonato Baiano - 2ª Divisão—1948
Corby Town—Northern Premier League - Division One Midlands—1948
Cork Athletic—Dissolved 1957—1948Correggese—Serie D - Girone D—1948
Coruchense—AF Santarém - 1ª Divisão—1948