| Abbreviation | Definition |
|---|---|
| CA | Cranking Amperes |
| CA | Certification Authority |
| CA | Community Associate |
| CA | Cognitive Apprenticeship |
| CA | Cartoon Artist |
| CA | Computer Assistant |
| CA | Corrective Action |
| CA | California |
| CA | Contingency Abort |
| CA | Courage Award |
| CA | Certified Alcoholism and Substance Abuse Counselor |
| CA | Cellulose Acetate |
| CA | Contract Accounting |
| CA(SA) | Chartered Accountant (South Africa) |
| CAA | Civil Aviation Authority |
| CAA | Collusion Attack Algorithm |
| CAA | Civil Aeronautics Administration |
| CAAA | Clean Air Act Amendments of 1990 |
| CAAA | Washington State Commission on African American Affairs |
| CAAA | China Animal Agriculture Association |
| CAAA | Clean Air Act Ammendments |
| CAAH | Chronic Active Autoimmune Hepatitis |
| CAAM | Complimentary and Alternative Medicine |
| CAARS | Connors' Adult ADHD Rating Self Report |
| CAAS | Commission on Accreditation of Ambulance Services |
| CAAT | Computer Assisted Auditing Technique |
| CAB | Central Advisory Board |
| CAB | Cost Audit Board |
| CAB | Civil Aeronautics Board |
| CAB | Criminal Assets Bureau |
| CAB | Cotton Advisory Board |
| CAB | Cellulose Acetate Butyrate |
| CABBS | Computer-assisted Blood Background Subtraction |
| CABE | Central Advisory Board of Education |
| CABF | Coronary Artery Blood Flow |
| CABG | Coronary Artery Bypass Graft |
| CABI | Center for Advanced Brain Imaging |
| CABI | Calcium Bone Index |
| CABS | Candidate Aspiration Based Search |
| CABS | Continuous Ambulatory Blood Sampler |
| CAC | Certified Addiction Counselor |
| CAC | County Administration Center |
| CAC | Capital Area Conference |
| CAC | Climate Analysis Center |
| CAC | Center for Advanced Computation |
| CAC | Committee on Atmospheric Chemistry |
| CAC | Commonwealth Authorities & Companies Act 1997 |
| CACB | Center Aisle Connector Bracket |
| CACC | Communications and Configuration Console |
| CACD | Central Areolar Choroidal Dystrophy |