| Acronym | Definition |
|---|
| GI➣Government Issue (as in GI Joe) |
| GI➣Get(s) It |
| GI➣General Information |
| GI➣Gibraltar |
| GI➣Gastrointestinal |
| GI➣Geophysical Institute |
| GI➣Geographical Indications |
| GI➣Gießen (Germany; auto license number plate) |
| GI➣Glycemic Index |
| GI➣Grand Island (Nebraska) |
| GI➣Game Informer (video game magazine) |
| GI➣Google It |
| GI➣Global Illumination (graphic art) |
| GI➣Gilligan's Island (TV show) |
| GI➣Government Issued (gaming clan) |
| GI➣Gateway Integration |
| GI➣Gauge-Invariant |
| GI➣Goethe-Institut |
| GI➣Geospatial Information |
| GI➣Gas Industry |
| GI➣Global Initiative |
| GI➣Gender Imbalance |
| GI➣Glycemic Impact (diet) |
| GI➣Geospatial Intelligence (National System for Geospatial Intelligence) |
| GI➣General Investigation |
| GI➣General Issue |
| GI➣Gasherbrum I (26,470 ft. mountain near Pakistan-China) |
| GI➣Gender Incongruence |
| GI➣General Instruction |
| GI➣Global Investigations (various companies) |
| GI➣General Intelligence |
| GI➣Galvanized Iron |
| GI➣Granuloma Inguinale (aka: Donovanosis) |
| GI➣Global Infrastructure |
| GI➣Granulomatous Inflammation (chronic inflammation) |
| GI➣Global Industries |
| GI➣Garuda Indonesia (airline) |
| GI➣General Inspection |
| GI➣General Increase |
| GI➣Graded-Index |
| GI➣Greenpeace International |
| GI➣Grey Iron |
| GI➣G Protein, Alpha-Inhibiting |
| GI➣General Illumination (pinball machine lights) |
| GI➣Guard Impact (video game) |
| GI➣Green Index |
| GI➣Guest Investigator |
| GI➣Guitar Institute |
| GI➣General Infantry (less common) |
| GI➣General Infantry |
| GI➣Gunnery Instructor (various armed forces) |
| GI➣Glossopharyngeal Insufflation (physiology) |
| GI➣Guaranteed Insurability (insurance) |
| GI➣Geninfo Identifier |
| GI➣Global Internet Symposium |
| GI➣Gesellschaft für Informatik eV |
| GI➣Gas Injector |
| GI➣Guest Informant |
| GI➣Global Imager |
| GI➣General Instruments Corporation |
| GI➣Geographically Impossible |
| GI➣Genuine Ilocano (Filipino from Ilocos Province) |
| GI➣Global Indexing System |
| GI➣General Inductee |
| GI➣Global Instruments, Inc. |
| GI➣Gegenschein Imager |
| GI➣Gelbray International |