| Abbreviation | Definition |
|---|---|
| FDDI | Footwear Design and Development Institute |
| FDRI | Fluid Dynamics Research Institute |
| FEGI | Far East Geological Institute |
| FEHI | Fortis Escorts Heart Institute |
| FEI | Federal Equestrian Institute |
| FEI | Florida Education Institute |
| FEI | Future Executives Institute |
| FEIS | Fellow of the Educational Institute of Scotland |
| FELI | Faculty Experiential Learning Institute |
| FELI | Florida Engineering Leadership Institute |
| FERI | The Franklin And Eleanor Roosevelt Institute |
| FETI | Further Education and Training Institute |
| FFAI | Friendswood Fine Arts Institute |
| FFGI | Food and Feed Grain Institute |
| FFGI | Food and Feed Grains Institute |
| FFHI | Foods for Health Institute |
| FFHI | from the Foods For Health Institute |
| FFI | Family Firm Institute |
| FFI | Flanders Fashion Institute |
| FFI | Florida Forensic Institute |