| Abbreviation | Definition |
|---|---|
| GIBA | Greater Iowa Bowling Association |
| GIBA | Guernsey International Business Association |
| GICA | Georgia Independent College Association |
| GIEAA | Guangdong Illuminating Electric Appliance Association |
| GIFA | Geneva Infant Feeding Association |
| GILA | Georgia Industrial Loan Association |
| GIPA | Georgia Indoor Percussion Association |
| GIRA | Georgetown International Relations Association |
| GIRA | German Industrial Relations Association |
| GIRA | Gyakusou International Running Association |
| GJA | Garfield Jubilee Association |
| GJA | Georgia Jail Association |
| GJA | Georgia Jewelers Association |
| GJA | Ghana Jail Association |
| GJA | Ghana Jewelers Association |
| GJA | Ghana Journalist Association |
| GJA | Ghana Journalists Association |
| GKA | Georgia Kendo Association |
| GKA | Global Kitesports Association |
| GLAA | Great Lakes Alpaca Association |