| Abbreviation | Definition |
|---|---|
| FEGLI | Federal Employees Group Life Insurance |
| FEJF | Fire Emissions Joint Forum |
| FELTP | Field Epidemiology and Laboratory Training Program |
| FEM | Female |
| FEMA | Federal Emergency Management Administration Service |
| FEORP | Federal Equal Opportunity Recruitment Program |
| FEP | Federal Employee (insurance) Plan |
| FEPC | Fair Employment Practices Commission |
| FER | Final Expenditure Report |
| FERA | Federal Emergency Relief Administration |
| FERA | Federal Emergency Relief Association |
| FERA | Foreign Exchange Regulation Act |
| FERC | Federal Energy Regulatory Commission |
| FERMILAB | Fermi National Accelerator Laboratory |
| FERS | Federal Employees Retirement System |
| FERT | Federal Emergency Response Team |
| FESM | Fire and Emergency Services Management |
| FEST | Foreign Emergency Support Team |
| FET | Federal Excise Tax |
| FETC | Federal Energy Technology Center |