| Abbreviation | Definition |
|---|---|
| CAOO | California Association Of Omes |
| CAOS | Canadian Association of Optometry Students |
| CAOS | Computer Association of SIUE |
| CAOS | CREOL Association of Optics Students |
| CAOV | Cornish Association Of Victoria |
| CAPA | Canadian Association for Physical Anthropology |
| CAPA | Capital Area Purchasing Association |
| CAPA | Carolina Asphalt Pavement Association |
| CAPA | Certified Automotive Parts Association |
| CAPA | Chinese American Petroleum Association |
| CAPA | Colorado Asphalt Pavement Association |
| CAPA | Council of Australian Postgraduate Associations |
| CAPA | CT Authors and Publishers Association |
| CAPC | California Association of Public Cemeteries |
| CAPE | Canadian Association of Physicians for the Environment |
| CAPEC | China Association of Plant Engineering Consultants |
| CAPF | California Association of Professional Firefighters |
| CAPI | Colorado Association of Professional Interpreters |
| CAPIC | Canadian Association of Professional Immigration Consultants |
| CAPIO | California Association of Public Information Officials |