| CCASS | Central Clearing and Automated Settlement System 
| Others |
| CCASS | Central Clearing And Settlement System
| Others |
| CCASS | Climate Change and Sustainability Services
| Others |
| CCASS | Competence Center for Applied Sensor Systems
| Others |
| CCASS | Construction Contractor Appraisal Support System
| Others |
| CCASS | Cumberland Chartered Accountants' Student Society
| Others |