| CERCA | Campeonato de Eventos de Regularidad Para Coches Antiguos 
| Others |
| CERCA | Canadian Emergency Response Contractors Alliance
| Others |
| CERCA | Canadian Emergency Response Contractors' Alliance
| Others |
| CERCA | Celebration of Excellence in Research and Creative Activity
| Others |
| CERCA | Center for Education and Research in Cosmology and Astrophysics
| Others |
| CERCA | Centre of Excellence for Research on Clean Air
| Others |
| CERCA | Claim Evidence Reasoning Collaboration and Audience
| Others |
| CERCA | Claim Evidence Reasoning Counter Argument
| Others |
| CERCA | Claim Evidence Reasoning Counterarguments and Audience
| Others |
| CERCA | Council for Electronic Revenue Communication Advancement
| Others |
| CERCA | Cowichan Estuary Restoration and Conservation Association
| Others |