| Acronym | Definition |
|---|
| FEF➣Front End Friday (car photography) |
| FEF➣Foundation for Economic Freedom (Philippines) |
| FEF➣Federación Ecuatoriana de Fútbol (Spanish, Ecuador) |
| FEF➣Forced Expiratory Flow (lung function) |
| FEF➣Frontal Eye Field |
| FEF➣Fernow Experimental Forest (research forest; West Virginia) |
| FEF➣File Exchange Format |
| FEF➣Foundry Educational Foundation |
| FEF➣Fédération des Etudiants Francophones (French: Federation of Francophone Students) |
| FEF➣Free Enterprise Fund |
| FEF➣Free Enterprise Foundation |
| FEF➣Florida Education Foundation |
| FEF➣Familia Educadora en la Fe (Spanish: Faith Family Educator; Mexico) |
| FEF➣Flexible Elastomeric Foam |
| FEF➣Flèches Électroniques France (French dart club) |
| FEF➣Fix Effectiveness Factor (methodology) |
| FEF➣Free Earth Foundation (Doylestown, PA) |
| FEF➣Front End Fee |
| FEF➣Fundación Europea de Formación (Spanish) |
| FEF➣Future Engineer Force |
| FEF➣France Europe Formation (French: Europe France Training) |
| FEF➣French Erotic Film |
| FEF➣Fastest Edge First (algorithm) |
| FEF➣Familial Erythrophagocytic Lymphohistiocytosis |
| FEF➣Functional Evaluation Flight |
| FEF➣Fuel Examination Facility |
| FEF➣Front Endpaper (book) |
| FEF➣Family of Equipment Failure (Nortel) |
| FEF➣Failure of Equipment Family (Alcatel) |
| FEF➣Fabrique d'Ebauche de Fleurier (French: Factory Outline Fleurier; watch movement) |