| Acronym | Definition |
|---|
| EFCR | Epilepsy Foundation of the Chesapeake Region (Maryland) |
| EFCR | Épreuves Fonctionnelles Respiratoires (French: Pulmonary Function Test) |
| EFCR | Entrepreneurs Foundation of the Capital Region (California) |
| EFCR | École Française de Chon Buri-Rayong (French: French School of Chon Buri, Rayong; Thaïland) |
| EFCR | European Forum of Communication Rights (UK) |
| EFCR | Electronic Fiscal Cash Register (hardware) |
| EFCR | Experimental Fast Ceramic Reactor |
| EFCR | Economic Feed Conversion Ratio (aquaculture) |
| EFCR | European Federation of Community Radios |