| Abbreviation | Definition |
|---|---|
| FBB | Foundation Beyond Belief |
| FBE | Foundation for Belmont Education |
| FBH | Foundations Behavioral Health |
| FBL | Foundations for Business Leadership |
| FBLC | Foundation for the Better Life of Children |
| FBOL | Foundation for Blended and Online Learning |
| FBR | Foundation for |
| FBR | Foundation For Blood Research |
| FBRC | Foundation Budget Review Commission |
| FBSC | Foundation For Building Sustainable Communities |
| FC | Foundation Course |
| FCAB | Foundation for Charitable Activities in Bangladesh |
| FCAI | Foundation Curriculum Assessment Instrument |
| FCB | Foundation Course Blog |
| FCBM | Foundation Certificate in Business Management |
| FCCC | Foundation for California Community Colleges |
| FCCF | Fairfield County Community Foundation |
| FCCF | Florida Coalition for Children Foundation |
| FCCF | Franklin County Community Foundation |
| FCD | Foundation for Child Development |