| Acronym | Definition |
|---|
| GGO➣Gun Gale Online |
| GGO➣Global Growth and Operations (various locations) |
| GGO➣Genetisch Gemodificeerde Organismen (Dutch: Genetically Modified Organisms) |
| GGO➣Gimnazjum Gminy Olesnica (Poland) |
| GGO➣Greater Greensboro Open |
| GGO➣Generalized Goel-Okumoto (reliability growth model) |
| GGO➣Greentree Gas & Oil Ltd. (Canada) |
| GGO➣Ground-Glass Opacification (respiratory system) |
| GGO➣Groot Genker Orkest (Dutch; Belgian orchestra) |