| Acronym | Definition |
|---|
| SEF➣Science and Education Foundation |
| SEF➣Symantec Enterprise Firewall |
| SEF➣Search Engine Friendly |
| SEF➣Sindh Education Foundation (Sindh, Pakistan) |
| SEF➣Solar Energy Facility (various locations) |
| SEF➣Sustainable Energy Fund (Pennsylvania) |
| SEF➣Session Evaluation Form |
| SEF➣Serviço de Estrangeiros e Fronteiras (Portugal; Portuguese Immigration and Border Control Office) |
| SEF➣Swiss Economic Forum |
| SEF➣Straits Exchange Foundation (China) |
| SEF➣Southern Education Foundation |
| SEF➣Special Elite Forces (gaming clan) |
| SEF➣Smoke Exhaust Fan |
| SEF➣Severely Errored Frame |
| SEF➣Senior Executive Fellow (Harvard University) |
| SEF➣Strategic Enterprise Fund (United Parcel Service) |
| SEF➣Skills Enhancement Fund (Indiana) |
| SEF➣Switched Emitter Follower |
| SEF➣Sex Education Forum |
| SEF➣Swap Execution Facility |
| SEF➣Student Evaluation of Faculty (various universities) |
| SEF➣Spectral Edge Frequency |
| SEF➣Sankara Eye Foundation |
| SEF➣Standard Endorsement Form (insurance) |
| SEF➣Software Engineering Facility |
| SEF➣Société d'Ethnologie Française (French: French Society of Ethnology) |
| SEF➣Somatosensory Evoked Field (aka Somatic Evoked Field) |
| SEF➣Sharp Electronics France SA |
| SEF➣Seafarers Emergency Fund |
| SEF➣Social Enterprise Fund (Canada) |
| SEF➣Source Explicit Forwarding |
| SEF➣Sealift Enhancement Feature (US DoD) |
| SEF➣Société Entomologique de France (French: French Entomological Society) |
| SEF➣Sociedad Española de Fitopatología (Spanish: Spanish Society of Phtyopathology) |
| SEF➣Sensitive Earth Fault |
| SEF➣Standard Entry Form (various organizations) |
| SEF➣Special Events Fund (various organizations) |
| SEF➣Self Extinguishing Fabric (Modacrylic) |
| SEF➣Systeme d'Encheres (French: Bridge card game bidding system) |
| SEF➣School Evaluation Framework (UK) |
| SEF➣Sinfonia Educational Foundation |
| SEF➣Short Edge First (printer paper handling) |
| SEF➣Sharp Electronics France |
| SEF➣Système d'Enseignement Français (French: French Education System; book) |
| SEF➣Services Emplois Familiaux (French: Family Services Jobs) |
| SEF➣Sustaining Engineering Facility |
| SEF➣Software Enhancement Form |
| SEF➣SPECAT Exclusive For |
| SEF➣Société d'Equipements de Fonderie (French engineering company) |
| SEF➣Société Européenne de Formation (French: European Society of Training) |
| SEF➣Secure Enclave Firewall |
| SEF➣Section Économique et Financière (French: Economic and Financial Department) |
| SEF➣Shape Error Forecasting |
| SEF➣Sign Each Frame |
| SEF➣Shadow Event Facility (DataDirect) |
| SEF➣Social Engine Forum (website) |
| SEF➣Scottish Environmental Forum (UK) |