| Acronym | Definition |
|---|
| GEF➣Global Environment Facility |
| GEF➣Global Economic Forum |
| GEF➣Guanine-Nucleotide Exchange Factor (biology) |
| GEF➣Global Environmental Forum (est. 1990; Japan) |
| GEF➣Gigabit Ethernet over Fiber |
| GEF➣Global Environment Fund |
| GEF➣General Endowment Fund (various organizations) |
| GEF➣Guidance for Employment of the Force (US DoD national military strategy) |
| GEF➣German Elite Force (gaming) |
| GEF➣Graduate Education Foundation |
| GEF➣Generic Extensibility Framework |
| GEF➣General Exhaust Fan (various companies) |
| GEF➣Global Ejection Fraction |
| GEF➣Grazing Enhancement Fund (Canada) |
| GEF➣Green Earth Foundation (New York, NY) |
| GEF➣Generalized Earliest-First |
| GEF➣General Electric Foundation |
| GEF➣Ground Equipment Failure |
| GEF➣Gain Equalization Filters |
| GEF➣Galaxy Evolution Probe (NASA) |
| GEF➣Gas Expansion Factor (physics) |