| Acronym | Definition |
|---|
| GHG➣Greenhouse Gas |
| GHG➣Grey Healthcare Group (Mumbai, India) |
| GHG➣Go Habs Go (Montreal Canadiens cheer) |
| GHG➣Gorman Health Group (managed care consulting) |
| GHG➣Genesis Housing Group (London, England, UK) |
| GHG➣Garrett Hotel Group (Burlington, VT) |
| GHG➣Governor's Horse Guard (various locations) |