GMCC
| 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) |