| Abbreviation | Definition |
|---|---|
| EEF | Educational Excellence Foundation |
| EEF | Encinitas Education Foundation |
| EEF | Environmental Education Foundation |
| EEF | Eugene Education Foundation |
| EEIF | Energy Environment Innovation Foundation |
| EERF | Equine Eye Registration Foundation |
| EERF | Equine Eye Registry Foundation |
| EFA | Elizabeth Foundation for the Arts |
| EFB | Education Foundation of Bloomington |
| EFB | Elastic Foundation Base |
| EFB | European Foundation of Biotechnology |
| EFBD | Education Foundation of Brown Deer |
| EFBR | Education Foundation of Bridgewater Raritan |
| EFCB | European Foundation Certificate in Banking |
| EFCE | European Foundation for Cluster Excellence |
| EFD | European Foundation for Democracy |
| EFF | Electronic Freedom Foundation |
| EFF | English First Foundation |
| EFFC | European Federation of Foundation Contractors |
| EFFO | European Foundation for Osteoporosis |