| Abbreviation | Definition |
|---|---|
| GI | German Computer Society |
| GI | Gesellschaft für Informatik e.V. |
| GIAS | Georgetown International Arbitration Society |
| GID | Geografsko Istrazivacko Drustvo |
| GID | Geographical Exploring Association |
| GIRLS | Gender Indifferent Ravishing Ladies Society |
| GIS | Geoscience Information Society |
| GISSA | Geo Information Society of South Africa |
| GISW | Global Information Society Watch |
| GITA | Geospatial Information & Technology Association |
| GITA | Geospatial Information and Technology Association |
| GJSPS | Greater Jacksonville Society of Plastic Surgeons (Florida) |
| GKJS | Gold Key Jazz Society |
| GKNM | Gabungan Komputer Nasional Malaysia |
| GKNM | Malaysian National Computer Confederation |
| GKS | Gujarat Knowledge Society |
| GLAS | Gay and Lesbian Arabic Society |
| GLAS | Greg Lake Appreciation Society |
| GLDV | Gesellschaft fr linguistische Datenverarbeitung |
| GLDV | Gesellschaft für linguistische Datenverarbeitung |