| Abbreviation | Definition |
|---|---|
| CARE | Certification and Recertification Examinations |
| CARN | Certified Addiction Registered Nurse |
| CAS | Coating Application Specialist |
| CASC | Certificate Authority Security Council |
| CASCC | Certified Ambulatory Surgical Center Coder |
| CASI | Certification Assessments and Standards Interface |
| CASI | Certified Access Specialist Institute |
| CASM | Certified Agile Service Manager |
| CASP | Certified Aging Services Professionals |
| CASP | Certified Auxiliary Services Professional |
| CASPER | Certification And Survey Provider Enhanced Reports |
| CAT | Certified Agile Tester |
| CATC | Certified Addictions Treatment Counselor |
| CATG | Certification and Timber Grading |
| CATIS | Certified Assistive Technology Instructional Specialist |
| CATR | Certified Angel Tarot Reader |
| CATS | Certified Arborist Training School |
| CAV | Certificate of Authentication and Verification |
| CAV | Certified Adult Volunteer |
| CAVS | Certified Administrator of Volunteer Services |