| Acronym | Definition |
|---|
| GCCC | Garden City Community College (Garden City, Kansas) |
| GCCC | Gulf Coast Community College |
| GCCC | Gold Coast City Council (Queensland, Australia) |
| GCCC | Gloucester County Community Church (New Jersey) |
| GCCC | Gay Classic Car Club (Netherlands) |
| GCCC | Greater Cincinnati Chamber of Commerce |
| GCCC | Gloucestershire County Cricket Club |
| GCCC | Golf Club at Circle C (Austin, TX) |
| GCCC | Global Congress on Combating Counterfeiting and Piracy (various organizations) |
| GCCC | Glamorgan County Cricket Club |
| GCCC | Garden City Community Clinic (Boise, ID) |
| GCCC | Greater Chicago Combine and Center, Inc. (homing pigeon keepers) |
| GCCC | Ground Control Computer Center (NASA) |
| GCCC | Greg Chappell Cricket Centre (Australia) |
| GCCC | Global Chapter Chairs Congress (IEEE Communications Society) |
| GCCC | Global Contingency Construction Contract |
| GCCC | Grand Challenge Cosmology Consortium (also called GC3) |
| GCCC | Government Charter Coach Certificate |
| GCCC | Global C4S Coordination Center |
| GCCC | Ground Combat Command and Control (program manager under PEO C3T) |
| GCCC | Gulf Coast Christian Center (Mobile, AL) |