| Acronym | Definition |
|---|
| EFC | Expected Family Contribution |
| EFC | Expect(ed) Further Clearance |
| EFC | Evangelical Free Church |
| EFC | Education for the Children (various organizations) |
| EFC | Earth Final Conflict (science fiction) |
| EFC | Everton Football Club |
| EFC | European Federation of Corrosion |
| EFC | Essendon Football Club (Melbourne, Australia) |
| EFC | Epping Forest College (UK) |
| EFC | Expenditure Finance Committee (India) |
| EFC | European Foundation Centre (Belgium) |
| EFC | Essex Field Club (UK) |
| EFC | École Française de Comptabilité (French: French School of Accounting) |
| EFC | Evangelical Fellowship of Canada |
| EFC | Establecimiento Financiero de Credito (Spanish: Credit Association) |
| EFC | Education Finance Council (Washington, DC) |
| EFC | Eastfield College |
| EFC | Encrypted Fair Copy |
| EFC | Electronic Filing Cabinet |
| EFC | Extended Flow Control |
| EFC | Enterprise Fabric Connectivity |
| EFC | Economic and Financial Committee (EU) |
| EFC | Electronic Fee Collection |
| EFC | Estimated Final Cost (production) |
| EFC | Évreux Football Club (French football club) |
| EFC | Energy Future Coalition |
| EFC | Emerging from Conflict (Stanley Foundation; Muscatine, IA) |
| EFC | Equivalent Full Charge |
| EFC | École Française de Descente de Canyon (French: French School of Descent Canyon) |
| EFC | English for Commerce |
| EFC | Entreprise Familiale Centenaire (French: Centennial Family Business) |
| EFC | Évacuation de Fumées et de Chaleur (French: Evacuation of Smoke and Heat; ventilation) |
| EFC | Électricité Froid Climatisation (French: Cold Air Power) |
| EFC | Education Facilities Clearinghouse (US Department of Education) |
| EFC | Effective Family Contribution (scholarship/grant formula) |
| EFC | Electronic Flow Control |
| EFC | Error, Fraud and Corruption |
| EFC | Énergie, Finance, Carbone (French: Energy, Finance, Carbon) |
| EFC | Elmwood Fitness Center (Louisiana) |
| EFC | Enterprise Fabric Connectivity (software) |
| EFC | Electronic Filing Center (tax returns) |
| EFC | Expertise Finance Conseil (French: Expertise Finance Council) |
| EFC | Enchanted Forest Chronicles (book series) |
| EFC | Expeditionary Force Canteen (UK) |
| EFC | Economic Forecasting Center |
| EFC | Eleven Fingered Charlie (band) |
| EFC | École Française des Casinos (French: French School of Casinos) |
| EFC | Enemy Flag Carrier (gaming) |
| EFC | Electronic Fundraising Company PLC (Electrofunco) |
| EFC | Engineering Flight Computer |
| EFC | Engineered Fabrics Corporation |
| EFC | Expected Further Clearance (time) |
| EFC | Expertise Formation Conseil (French: Expertise Training Council) |
| EFC | Externally Focused Church (Malaysia) |
| EFC | Eco-Friendly Cleaning |
| EFC | Enabled, then Firing Continuously (STRPN transition) |
| EFC | Entrepreneur Friendly Community (various locations) |
| EFC | Effective Full Charge |
| EFC | Earth Fault Current |
| EFC | Extended Fast Connect |
| EFC | Elementary Function Computation |
| EFC | Entrance Facility Charge |
| EFC | Electro Federation of Canada, Inc |
| EFC | Electric Feeder Center |
| EFC | Extraneous Function Call (software fault) |
| EFC | Electric Frequency Control |
| EFC | Engineering Field Change |