| Acronym | Definition |
|---|
| GEI➣Gases de Efecto Invernadero |
| GEI➣Group Emotional Intelligence |
| GEI➣Gender Equity Index |
| GEI➣Gene-Environment Interaction |
| GEI➣General Education Intervention |
| GEI➣Gigabit Ethernet Interface (router) |
| GEI➣Global Environmental Institute (China) |
| GEI➣Grup Especial d'Intervenció (Spanish: Special Forces of the Catalan Police) |
| GEI➣Gesellschaft für Elektronische Informationsverarbeitung |
| GEI➣Global Effects Integration (US DoD) |
| GEI➣Genetically Engineered Ingredients |
| GEI➣Geographic Enforcement Initiative |
| GEI➣Geocentric Equatorial Inertial Coordinate System |
| GEI➣Gross Emitter Identification |
| GEI➣Ground Environmental Instrumentation |
| GEI➣Government Electrical Inspectorate (Jamaica) |
| GEI➣Gene, Environment and Health Initiative |
| GEI➣Geothermal Energy Institute |