| Abbreviation | Definition |
|---|---|
| FPTI | Foundation for Physical Therapy, Inc. |
| FPTP | Friends Peace Teams Project |
| FQHR | Foundation Quarter Horse Registry |
| FR | Fund Raising |
| FRAC | Food Research and Action Center |
| FRAXA | FRAgile X Association |
| FRC | Family Research Council |
| FREE | Fund For Renewable Energy Everywhere |
| FRF | FRAXA Research Foundation |
| FRFA | Feline Rescue Foundation of Alberta |
| FRHA | Franklin Regional Hospital Association |
| FRI | Farm Radio International |
| FRMC | Forked River Mountain Coalition |
| FROGS | Forbid Roads Over Green Spaces |
| FRPA | Fullerton Railway Plaza Association |
| FRPF | Front Range Powder Factory |
| FRS | Family Resource Specialist |
| FRS | Foundation for Rural Service |
| FS | Fabian Society |
| FS4JK | Farm Safety For Just Kids |