| Rank | Abbreviation | Meaning |
|---|
| ***** | CRFC | Canterbury Rugby Football Club
| |
| ***** | CRFC | Cost Recovery Funds Commitment
| |
| ***** | CRFC | Centre de Recherche et de Formation Cooperative
| |
| ***** | CRFC | Cirencester Rugby Football Club
| |
| ***** | CRFC | Cooperative Research Facility Center
| |
| ***** | CRFC | Costa Rica Forest Cover
| |
| ***** | CRFC | Capital Resource Funding Corp
| |
| ***** | CRFC | Canadian Realty Finance Corporation
| |
| ***** | CRFC | Crowborough Rugby Football Club
| |
| **** | CRFC | Cedar Rapids Family Church
| |
| **** | CRFC | Chelmsford Rugby Football Club
| |
| **** | CRFC | Constitutional Rights Foundation Constitutional
| |
| **** | CRFC | Community Radio Fund of Canada
| |
| **** | CRFC | Cowichan Rugby Football Club
| |
| **** | CRFC | Coastal Resources and Fisheries Conservation
| |
| **** | CRFC | Chengdu Rugby Football Club
| |
| **** | CRFC | Cobh Ramblers Football Club
| |
| **** | CRFC | Choroideremia Research Foundation Canada
| |
| **** | CRFC | Canadian Recreation Facilities Council
| |
| **** | CRFC | California Retail Food Code
| |
| **** | CRFC | Cleft of the Rock Family Church
| |
| **** | CRFC | Colorado Republican Federal Campaign
| |
| *** | CRFC | Cardiff Rugby Football Club
| |
| *** | CRFC | Customer Return For Credit
| |
| *** | CRFC | cold or late rosette-forming cells
| |