| Acronym | Definition |
|---|
| GMCC➣Grant MacEwan Community College |
| GMCC➣German Mid Cap Conference |
| GMCC➣Green Mountain Curling Club (Morrisville, VT) |
| GMCC➣Global Monitoring for Climate Change |
| GMCC➣Ground Mobile Command Center |
| GMCC➣Greater McLean Chamber of Commerce (Mclean, VA) |
| GMCC➣GNAS Maintenance Control Center (FAA) |