| Abbreviation | Definition |
|---|---|
| EFMI | European Federation for Medical Informatics |
| EFMS | European Federation of Marine Science |
| EFN | European Federation of Nurses |
| EFNS | European Federation of Neurological Societies |
| EFO | Environmental Federation of Oklahoma |
| EFOMP | European Federation of Organisations in Medical Physics |
| EFOMP | European Federation of Organizations for Medical Physics |
| EFOS | European Federation of Oral Surgery |
| EFP | E F P European Federation for Primatology |
| EFP | Employers' Federation of Pakistan |
| EFPA | European Federation of Psychologists' Associations |
| EFPI | European Federation of Pharmaceutical Industries |
| EFPP | European Federation for Psychoanalytic Psychotherapy |
| EFPP | European Federation for Psychosynthesis Psychotherapy |
| EFPP | European Federation of Psychoanalytic Psychotherapy |
| EFPT | European Federation of Psychiatric Trainees |
| EFSF | Earth Federation Space Forces |
| EFSI | European Federation for Services to Individuals |
| EFSMA | European Federation of Sports Medicine Associations |
| EFSP | European Federation of Sales Promotion |