| Abbreviation | Definition |
|---|---|
| FRED | Foundation For Rural Education And Development |
| FREE | Foundation for Research on Economics and the Environment |
| FREF | Forster Ranch Education Foundation |
| FRF | Financial Reporting Foundation |
| FRL | Foundations for Reading and Learning |
| FRMC | Foundation Research Master Class |
| FRMF | Frank Ridge Memorial Foundation |
| FRN | Foundations Recovery Network |
| FRPF | Front Royal Police Foundation |
| FRR | Foundation for Responsible Robotics |
| FRR | Foundation for Retinal Research |
| FRSD | Foundation for Research and Sustainable Development |
| FRSL | Foundation for Rebuilding Sri Lanka |
| FRST | Foundation for Research, Science and Technology |
| FS | Foundation Skills |
| FS | Foundation Stage |
| FS | Foundation Support |
| FSA | Foundational Skills Assessment |
| FSAT | Foundation Skills Assessment Tool |
| FSCI | Foundation for Social Change and Inclusion |