| Abbreviation | Definition |
|---|---|
| CFHS | Carolina Forest High School |
| CFIR | Centre for Forest Interdisciplinary Research |
| CFMMEU | Construction Forestry Maritime Mining and Energy Union |
| CFMMEU | Construction Forestry Mining Maritime Employees Union |
| CFNR | College of Forestry and Natural Resources |
| CFPA | Connecticut Forest and Park Association |
| CFPA | Coos Forest Protective Association |
| CFPC | California Forest Products Commission |
| CFR | College of Forest Resources |
| CFR | Commercial Forest Reserve |
| CFRP | Canal Forest Restoration Project |
| CFRP | Collaborative Forest Restoration Program |
| CFRT | Crown Forestry Rental Trust |
| CFSL | Central Forest Search Laboratory |
| CFSP | Corvallis Forest Stewardship Plan |
| CFWC | Center for Forest and Wood Certification |
| CFWP | Classified Forest and Wildlands Program |
| CI | Criteria & Indicators (sustainable forest management) |
| CICC | Center for Inclusive Child Care |
| CIFC | Cortes Island Forestry Committee |