| GIFTS |
Geosynchronous Imaging Fourier Transform Spectrometer |
| GIG |
Gluten Intolerance Group |
| GII |
Gastric Intestinal Infection |
| GIIC |
Gujarat Industries and Investment Corporation |
| GILS |
Government Information Locator Service |
| GIM |
Generalized Information Management |
| GIM |
Grazing-Incidence Monochromator |
| GIP |
Gastric Inhibitory Peptide |
| GIPSA |
The Grain Inspection Packers And Stockyards Administration |
| GIR |
General Index Register |
| GIRD |
Ground Integration Requirements Document |
| GIRL |
Graph Information Retrieval Language |
| GIRL |
Goddess In Real Life |
| GIRL |
Glamorous Intelligent Respected Leaders |
| GIRL |
Grace Inspiration Respect Love |
| GIRL |
Genetically Inferior Retarded Lifeform |
| GIRL |
Guy In Real Life |
| GIS |
Global Imaging System |
| GIS |
Gene Identification Signature |
| GIS |
Geographic Information Science |
| GIS |
Geographic Information System |
| GIS |
Geography In Space |
| GIS |
Geographic Information Systems |
| GIS |
Geographical Information System |
| GIS |
Geographical Information Systems |
| GISC |
Global Information System Centres |
| GISLA |
Government Information Security Leadership Awards |
| GISS |
Goddard Institute For Space Studies |
| GIST |
Graphics and Intelligence based Script Technology |
| GIST |
Gastro-Intestinal Stromal Tumor |
| GIT |
Glass And Instrument Technology |
| GIT |
Gastrointestinal Tract |
| GITG |
Ground Interface Technical Group |
| GITS |
Gastro Intestinal Therapeutic System |
| GIU |
Graphic Interface Unit |
| GIV |
Get Initial Value |
| GIWG |
Ground Interface Working Group |
| GKI |
Graphics Kernel Interface |
| GL |
Global Long |
| GL |
Gingus Lupine |
| GL |
Glycemic Load |
| GL |
General Ledger |
| GLA |
Gamma Linolenic Acid |
| GLA |
Gamma Linolen Acid |
| GLA |
General Luminary Assembly |
| GLAADS |
Gun Low Altitude Air Defense System |
| GLAP |
Great Lakes Action Plan |
| GLAST |
Gamma-ray Large Area Space Telescope |
| GLC |
Gas liquid chromatography |
| GLC |
Generator Line Contractor |