| Abbreviation | Definition |
|---|---|
| EFCC | European Federation for Construction Chemicals |
| EFCC | European Federation of Clinical Chemistry |
| EFCE | European Federation of Chemical Engineering |
| EFCE | European Foundation for Cluster Excellence |
| EFCI | European Federation of Cleaning Industries |
| EFCO | European Football Children Organization |
| EFCR | European Forum on Communication Rights |
| EFCS | European Federation For Company Sport |
| EFCS | European Federation of Cytology Societies |
| EFCT | European Federation of Conference Towns |
| EFD | Europe of Freedom and Democracy |
| EFD | European Foundation for Democracy |
| EFDA | European Floral Design Academy |
| EFDA | European Fusion Development Agreement |
| EFDD | Europe of Freedom and Direct Democracy |
| EFDD | European Freedom and Direct Democracy |
| EFDF | European Flying Disc Federation |
| EFDF | The European Flying Disk Federation |
| EFDS | European Financial Data Services |
| EFDS | European Fund for Displaced Scientists |