| Abbreviation | Definition |
|---|---|
| GMIC | Green Meeting Industry Council |
| GMIC | Green Meetings Industry Council |
| GNFC | Greater Niagara Frontier Council |
| GNHC | Ghana National Hajj Council |
| GOAC | General Officer Advisory Council |
| GOAC | Greek Orthodox Archdiocesan Council |
| GOCB | Greater Orlando Council of the Blind |
| GPAC | Graduate Program Advisory Council |
| GPAC | Graduate Public Affairs Council |
| GPAC | Greater Pittsburgh Arts Council |
| GPC | Global Plant Council |
| GPC | Govs Programming Council |
| GPEC | Global Posture Executive Council |
| GPEC | Greater Phoenix Economic Council |
| GPGC | Georgia Planned Giving Council |
| GPHC | Great Plains Honors Council |
| GPLC | Graduate and Professional Leadership Council |
| GPLC | Greater Pittsburgh Literacy Council |
| GPPAC | General Practice Partnership Advisory Council (Australia) |
| GPRC | Great Plains Restoration Council |