| Abbreviation | Definition |
|---|---|
| GAS | Ghana Academy of Sciences |
| GASIP | Ghana Agricultural Sector Investment Programme |
| GASIP | Ghana Agriculture Sector Investment Programme |
| GAST | Ghana Association of Science Teachers |
| GATTA | Ghana Association of Travel and Tourist Agents |
| GAW | Ghana Association of Writers |
| GAWU | Ghana Agricultural Workers' Union |
| GAWW | Ghanaian Association for Women's Welfare |
| GBA | Ghana Bar Association |
| GBC | Ghana Bauxite Company |
| GBDC | Ghana Book Development Council |
| GCAA | Ghana Civil Aviation Authority |
| GCARPS | Gold Coast Aborigines Rights Protection Society |
| GCC | Ghana Co-operative College |
| GCC | Ghana Co-operative Council |
| GCC | Gold Coast Constabulary |
| GCD | Ghana Consolidated Diamonds Ltd. |
| GCEU | Gold Coast Ex-Servicemen's Union |
| GCFA | Gold Coast Farmers' Association |
| GCHC | Ghana Cargo Handling Company |