| Abbreviation | Definition |
|---|---|
| EFH | Earth For Humanity |
| EFI | Earth Force, Inc. |
| EFM | Epilepsy Foundation of Michigan |
| EFMA | Evangelical Fellowship of Mission Agencies |
| EFMD | European Foundation for Management Development |
| EFRA | Eagan Firefighters Relief Association |
| EFRC | Exotic Feline Rescue Center |
| EFRF | Educators For Reproductive Freedom |
| EFSGV | Educational Fund to Stop Gun Violence |
| EFSL | Energy Forum of Sri Lanka |
| EFTA | Education For Tomorrow Alliance |
| EFWA | East Fife Women's Aid (UK) |
| EGA | Embroiderer's Guild of America |
| EHEN | Exceptional Human Experience Network |
| EHRR | European Human Rights Reports |
| EHRS | European Hair Research Society |
| EI | Essex Institute |
| EIDD | European Institute for Design and Disablity |
| EII | Earth Island Institute |
| EIL | Experiment in International Living |