| Abbreviation | Definition |
|---|---|
| FD | Front Door |
| FDA | Field Demonstration Area |
| FDEA | Functional Data Exchange Architecture |
| FDN | Foundation |
| FEA | Federal Enterprise Architecture |
| FEAC | Federal Enterprise Architecture Certification |
| FEAF | Federal Enterprise Architecture Framework |
| FEDORA | Flexible and Extensible Digital Object and Repository Architecture |
| FEL | From East Line |
| FENAS | Flexible and Expressible Neural Architecture Search |
| FESA | Front End Software Architecture |
| FF | Finished Floor |
| FFC | Fourth Floor Collapse |
| FFE | Finished Floor Elevation |
| FFL | Finished Floor Level |
| FFLA | Fitzgerald Frisby Landscape Architecture |
| FGDA | Ferdynand Górski Design Architecture |
| FHV | Fire Hose Valve |
| FHWA | Federal Highway Administration |
| FHY | Follacci Hervieu Yoon |