| Abbreviation | Definition |
|---|---|
| CAPSC | Calgary Association of Parents and School Councils |
| CAQH | Council for Affordable Quality Health |
| CAQH | Council for Affordable Quality Healthcare |
| CAQH | Council on Affordable Quality Healthcare |
| CARE | Consejo de Asociaciones Regionales y Extranjeras (Council of Regional and Foreign Associations) |
| CARY | Council on At Risk Youth |
| CAS | Council for the Advancement of Standards |
| CASAC | Capital Area Substance Abuse Council |
| CASAC | Chautauqua Alcoholism And Substance Abuse Council |
| CASC | CA Association of Student Councils |
| CASC | California Association of Student Councils |
| CASE | Council for Advancement and Support of |
| CASE | Council of American Structural Engineers |
| CASO | Council of Arroyo Seco Organizations |
| CASSA | Council of Agencies Serving South Asians |
| CATG | Council of Athabascan Tribal Governments |
| CAUL | Council of Australian University Librarians |
| CBAC | Chequamegon Bay Arts Council |
| CBASC | Commerce and Business Administration Student Council |
| CBC | Children's Book Council |