| Acronym | Definition |
|---|
| FEL➣Felony |
| FEL➣Free Electron Laser |
| FEL➣Foundation for Early Learning (various organizations) |
| FEL➣Florida Electronic Library |
| FEL➣Felini (gaming) |
| FEL➣Flandra Esperanto-Ligo (Esperanto: Flemish Esperanto League; Belgium) |
| FEL➣Flywheel End Left |
| FEL➣Fédération des Étudiants Libéraux (French: Liberal Students Federation; Belgium) |
| FEL➣Fédération des Étudiants Lyonnais (French: Lyonnais Federation of Students; Lyon, France) |
| FEL➣Flash Exposure Lock (cameras) |
| FEL➣Family Emission Limit |
| FEL➣Future Event List (computer programming) |
| FEL➣Foundation for Endangered Languages |
| FEL➣Familial Erythrophagocytic Lymphohistiocytosis |
| FEL➣Front End Load(ing) |
| FEL➣Fair Employment Law (Wisconsin) |
| FEL➣First Edition Library (book) |
| FEL➣Fedora Electronic Lab (simulation platform hardware) |
| FEL➣Fujitsu Europe, Ltd. |
| FEL➣Future Economic Loss (Workplace Safety and Insurance Act 1998, Canada) |
| FEL➣Front Elevation |
| FEL➣Fluids Engineering Laboratory (Japan) |
| FEL➣Family Education Loan (various programs) |
| FEL➣Frank Effect Level |
| FEL➣First Element Launch |
| FEL➣Fixed Equity Loan (mortgages) |
| FEL➣Fallen Empire: Legions (gaming) |
| FEL➣Fujikura Europe Limited (UK) |
| FEL➣Full Employment League |
| FEL➣Free Elastic Limit |
| FEL➣Faltec Europe Limited (Japan) |
| FEL➣Federal Explosives License/permit |
| FEL➣Fysisch Electronisch Laboratorium (Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek) |
| FEL➣Feature Exchange Language |
| FEL➣Federal Emission Limit |
| FEL➣Fire Extinguisher License |
| FEL➣Feldberg Radio Relay (Germany) |