| Abbreviation | Definition |
|---|---|
| CASSA | College of Arts and Sciences Staff Association |
| CASSA | Colorado Association of Superintendents and School Administrators |
| CAST | China Association for Science and Technology |
| CASTO | California Association of School Transportation Officials |
| CAT | Community Assistance Team |
| CATA | Canadian Athletic Therapists Association |
| CATA | Chicago Automobile Trade Association |
| CATA | Child Adolescent Therapist Association |
| CATIS | China Association of Trade in Services |
| CATO | California Association of Tactical Officers |
| CATO | Columbia Association Team Orientation |
| CATTA | Computer And Technical Trainers Association |
| CAUBO | Canadian Association of University Business Officers |
| CAUS | Color Association of the United States |
| CAUS | Connecticut Association of Urban Superintendents |
| CAV | Classical Association of Virginia |
| CAVA | Canadian Association of Virtual Assistants |
| CAVA | Cincinnati Association for Volunteer Administrators |
| CAVCM | Canadian Association of Veterinary Cannabinoid Medicine |
| CAVE | Colorado Association for Viticulture Enology |