| Acronym | Definition |
|---|
| CEFC | Conference on Electromagnetic Field Computation |
| CEFC | Centre d'Etudes Français sur la Chine Contemporaine (French: French Center for Research on Contemporary China; est. 1991; Hong Kong) |
| CEFC | Crouch End Festival Chorus (North London, UK) |
| CEFC | Cornerstone Evangelical Free Church (various locations) |
| CEFC | Crystal Evangelical Free Church |
| CEFC | Chinese Evangelical Free Church |
| CEFC | Centre Européen de Formation et Conseil (French: European Center for Training and Consulting) |
| CEFC | Centennial Evangelical Free Church (various locations) |
| CEFC | Cercle des Entrepreneurs Francophones en Corée (French: Circle of Francophone Entrepreneurs in Korea; South Korea) |
| CEFC | Corps of Engineers Finance Center |
| CEFC | Clean Energy Fuels Corporation |