| Abbreviation | Definition |
|---|---|
| CCDAA | Cambridge City Dementia Action Alliance |
| CCHA | Coastal Carolinas Health Alliance |
| CCHA | Colorado Community Health Alliance |
| CCPA | Charlotte Cooperative Purchasing Alliance |
| CCPA | Childhood Cancer Parents Alliance |
| CCRPA | California Cultural Resource Preservation Alliance |
| CCUA | Colorado Communications and Utility Alliance |
| CDIA | Cleveland Defense Industry Alliance |
| CEA | Career Educators Alliance |
| CEAA | Circular Economy Alliance Australia |
| CEDA | Cleveland Educational Design Alliance |
| CEGA | China Environmental Global Alliance |
| CEGA | China Environmental Grantmakers Alliance |
| CEHA | Conservation and Ecosystem Health Alliance |
| CELA | Central Eurasia Leadership Alliance |
| CENTA | Central England NERC Training Alliance |
| CERA | CAFM Educational Research Alliance |
| CERA | Citizens Equal Rights Alliance |
| CFA | Championship Fighting Alliance |
| CFA | Conservation Finance Alliance |