| Abbreviation | Definition |
|---|---|
| CILF | Cleaning Industry Liaison Forum |
| CIRF | Cambridge Interdisciplinary Reproduction Forum |
| CLF | Cal Look Forum |
| CLF | Carbon Leadership Forum |
| CLF | Corporate Lodging Forum |
| CLOF | Chief Legal Officers Forum |
| CMMF | China Mobile Manufacture Forum |
| CODF | Canadian Open Dialogue Forum |
| COF | Compliance Officers Forum |
| COOFs | Clinical Oncology Online Forums |
| COPF | Contemporary Organization and Policy Forum |
| CPCF | Cerner Physician Community Forum |
| CPF | Cary Playwrights Forum |
| CPF | Conservative Policy Forum |
| CPFI | Corporate Presentation Forum for Investors |
| CPPF | Conflict Prevention and Peace Forum |
| CPSF | Chicago Patient Safety Forum |
| CRBF | Columbia River Basin Forum |
| CRF | Corporate Registers Forum |
| CRUF | Corporate Reporting Users Forum |