| Abbreviation | Definition |
|---|---|
| CENA | Claremont Elmwood Neighborhood Association |
| CEOA | Columbia Executives and Owners Association |
| CEPA | Canadian Energy Pipeline Association |
| CEPA | Christian Educators Professional Association |
| CEPA | Clinical Exercise Physiology Association |
| CEPSA | Central European Political Science Association |
| CERA | Canadair Employees Recreation Association |
| CERA | Central Electric Railfans' Association |
| CERA | Corporate Employee Recreation Association |
| CERCA | Cowichan Estuary Restoration and Conservation Association |
| CESA | California Emergency Services Association |
| CESA | California Energy Storage Association |
| CESA | Catering Equipment Suppliers Association |
| CESA | Chinese Engineering Students' Association |
| CESA | Civil Engineering Student Association |
| CESA | Civil Engineering Students Association |
| CESA | Columbus East Soccer Association |
| CESA | Computer Entertainment Supplier's Association |
| CESA | Critical Ethnic Studies Association |
| CESAR | Continuing Education Students Association of Ryerson |