| Abbreviation | Definition |
|---|---|
| CDOIF | Chemicals and Downstream Oil Industries Forum |
| CDPF | Copenhagen Data Protection Forum |
| CEF | China Environment Forum |
| CEF | Corporate Eco Forum |
| CEFE | Catholic Ecology Forum Europe |
| CENF | Crouch End Neighbourhood Forum |
| CESF | Chinese Environmental Scholars Forum |
| CFAF | Cadet Fine Arts Forum |
| CFM | Consumer Forum Malaysia |
| CFPF | Canadian Fertilizer Products Forum |
| CFPF | Card Fraud Prevention Forum |
| CFPF | Cards Fraud Prevention Forum |
| CFTF | Concrete Frame Training Forum |
| CGF | Caribbean Growth Forum |
| CGF | Consumer Goods Forum |
| CGF | Consummer Goods Forum |
| CHIEF | Caribbean Hotel Industry Exchange Forum |
| CIEF | Capabilities Integration Enterprise Forum |
| CIF | Cloud Industry Forum |
| CIF | Critical Issues Forum |