| Coastal and Arctic Research Division | Academic & Science |
| Competition Achievement Respect Discipline | Academic & Science |
| Credit Card Accountability, Responsibility, and Disclosure | Accounts and Finance |
| Certificate for Amortizing Revolving Debt | Accounts and Finance |
| Collaborating Agencies Responding to Disasters | Business |
| Consultant Aid Reference Document | Business |
| Computer Aided Research And Development | Business |
| Customer Advantages Rewards Discounts | Business |
| Campaign Against Racial Discrimination | Community |
| Citizens for Alternatives to Radioactive Dumping | Community |
| Community Association for Riding for the Disabled | Community |
| Comprehensive Antibiotic Resistance Database | Computing |
| Computer-Aided Requirements Definition | Computing |
| Candidate Access Router Discovery | Computing |
| Computer Aided Rule Definition | Computing |
| Cardstack | Cryptocurrency |
| Crash Avoidance Research Data | General |
| Club Alfa Romeo Duetto | General |
| Center for Agricultural and Rural Development | General |
| Cartography And Retrieval Of Dialect | General |
| Compressed Alternative Reality Data | General |
| Compressed Alternate Reality Data | General |
| Card Accountability Responsibility and Disclosure | General |
| Commerce Accelerated Relational Data | Governmental |
| Crash Avoidance Research Data File | Governmental |
| CHARUDU | Indian Railway Station |
| Center for Autism and Related Disorders | Medical |
| caspase recruitment domain | Medical |
| Center for Autism and Related Disabilities | Medical |
| Chronic Aspecific Respiratory Disorder | Medical |
| Charadu Halt | Transport & Travel |
