| Acronym | Definition |
|---|
| FEP | Front End Processor |
| FEP | Federal Employee Program |
| FEP | Fluorinated Ethylene Propylene |
| FEP | Fluent English Proficient |
| FEP | Federation of European Professional Photographers |
| FEP | Federação Equestre Portuguesa (Portugese) |
| FEP | Front End Paper |
| FEP | Fair Employment Practices |
| FEP | Firewall Enhancement Protocol |
| FEP | Fuel Enrichment Plant |
| FEP | Free Erythrocyte Protoporphyrin (test for iron deficiency) |
| FEP | First Episode Psychosis |
| FEP | Features, Events and Processes |
| FEP | Faculdade de Economia do Porto (Portuguese) |
| FEP | Final Evaluation Problem |
| FEP | Fédération Européenne de Psychanalyse (European Psycho-Analytical Federation) |
| FEP | Firepower Enhancement Program |
| FEP | Final Evaluation Period |
| FEP | Fitness Enhancement Program |
| FEP | Federacion Española de Petanca |
| FEP | Fire Evacuation Plan |
| FEP | Facility Emergency Plan |
| FEP | Fractional Excretion of Phosphate (endocrinology) |
| FEP | Field Evaluation Program |
| FEP | Fuerzas Especiales Policiales (Guatemala special police task force) |
| FEP | Foundation for Effective Policy (Russian consulting organisation) |
| FEP | Force Employment Planning |
| FEP | Fault Exposing Potential |
| FEP | Flare Energetic Particle |
| FEP | Finished Enclosed Porch (building code) |
| FEP | Franchisable Embedded Platform |
| FEP | Forecast Expenditure Plan |
| FEP | Future Executive Program (Hudson's Bay Company of Canada) |
| FEP | Fluorinated Copolymer of Ethylene Propylene |
| FEP | Fair Elimination Phase |
| FEP | Fluoroethylkene Polymer |
| FEP | Fast Evening Person's (Report) |
| FEP | First Expected Packet |
| FEP | Functional Extension Program |
| FEP | Fountain Effects Pump |
| FEP | Freeport, IL, USA - Albertus Municipal Airport (Airport Code) |
| FEP | FLEETSATCOM EHF Package (US DoD) |
| FEP | Fundamentals of Environmental Planning (college course) |