| Acronym | Definition |
|---|
| EFCA | Evangelical Free Church of America |
| EFCA | Employee Free Choice Act |
| EFCA | European Federation of Engineering Consultancy Associations |
| EFCA | Escadron de Formation des Commandos de l'Air (French: Training Squadron of the Air Commandos) |
| EFCA | European Federation of Concrete Admixtures Associations (est. 1984) |
| EFCA | European Film Companies Alliance |
| EFCA | Electrical Facility Connection Assembly |
| EFCA | Evangel Family Christian Academy (Montgomery, AL) |
| EFCA | Établissement Fomba pour la Construction et l'Aménagement (French: Fomba Establishment for Construction and Planning; Ivory Coast) |
| EFCA | Études Formation Conseil Automatismes (French: Automation Training Council Studies) |