| Abbreviation | Definition |
|---|---|
| CNMF | Commonwealth Nurses and Midwives Federation |
| CNMF | Commonwealth Nurses Midwives Federation |
| COSTAM | Confederation of Scientific and Technological Associations in Malaysia |
| CPF | Canadian Powerlifting Federation |
| CPFI | Cycle Polo Federation of India |
| CPRF | Communist Party of the Russian Federation |
| CRSF | Canadian Rope Skipping Federation (Guelph, Ontario, Canada) |
| CSCF | Canadian Ski Coaches Federation |
| CSF | Commercial Spaceflight Federation |
| CTF | Canadian Taxpayers Federation |
| CTFI | Canadian Taekwon Do Federation International |
| CTHF | Canadian Team Handball Federation |
| CTUF | Chinese Taipei Underwater Federation |
| CWBF | Cambodia Women Business Federation |
| CWBF | Chinese Wild Bird Federation |
| CWF | Caw Wrestling Federation |
| CYSF | Columbia Youth Soccer Federation |
| DAFF | Danish American Football Federation |
| DALF | Denver Area Labor Federation |
| DCFCA | District of Columbia Federation of Civic Associations (Washington, DC) |