GEFS
| Acronym | Definition |
|---|---|
| GEFS | Generalized Epilepsy with Febrile Seizures |
| GEFS | Global Ensemble Forecast System (US NOAA) |
| GEFS | Global Electrophonic Fireball Survey (astronomy; University of Kentucky) |
| GEFS | Genetic and Evolving Fuzzy Systems (International Conference) |