SEFI
| Acronym | Definition |
|---|---|
| SEFI | Sustainable Energy Finance Initiative (UN Environment Programme) |
| SEFI | Societé Européenne pour la Formation des Ingénieurs (European Society for Engineering Education) |
| SEFI | Sequential Electronic Fuel Injection |
| SEFI | single event functional interrupt |
| SEFI | Science Education Foundation of Indiana |
| SEFI | Syndicat des Entrepreneurs Français Internationaux (France: French Union of International Contractors) |
| SEFI | Socio-Economic Factor Index |
| SEFI | Southeastern Food Ingredients, Inc. (Georgia) |