| Abbreviation | Definition |
|---|---|
| GMTA | Guam Mass Transit Authority |
| GNDA | Greater North Dakota Association |
| GNM | Gallum, New Mexico |
| GNY | Greater New York |
| GO | Gazetted Officer |
| GoA | Government of Alberta |
| GOAL | Governance Opportunities At The Local |
| GOEA | Governors Office for Economic Analysis |
| GOEA | Governors Office of Elderly Affairs |
| GO-ITS | Government of Ontario Information and Technology Standards |
| GOK | Government Of Kerala, India |
| GOMR | Gulf of Mexico Region |
| GOV | Government |
| GP | Glacier Point |
| GP | Graama Panchayat |
| GPHCDA | Greater Port Harcourt City Development Authority |
| GPID | Grants Pass Irrigation District |
| GPO | Genoa Post Office |
| GPSC | Georgia Professional Standards Commission |
| GPSD | Greater Peoria Sanitary District |