| Abbreviation | Definition |
|---|---|
| COMPAS | Correctional Offender Management Profiling for Alternative Sanctions |
| COMPES | Contingency Operations / Mobility Planning and Execution System |
| CON | Certificate Of Need |
| CONSORT | CONsolidated Standards Of Reporting Trials |
| CONUS | Continental/Contiguous United States (the 48 states plus the District of Columbia) |
| COO | Chief Of Overt Operations |
| COP | Conditions Of Participation |
| COPPA | The Children's Online Privacy Protection Act |
| COPS | Common Open Policy Standard |
| COPS | Office of Community Oriented Policing Services |
| COR | Chemical Other Regulated |
| CORA | Cost Of Risk Analysis |
| CORE | EASE central repository module |
| CORES | COmmission REgistration System |
| COS | Chamber Of Secrets |
| COS | Chief Of Station |
| COSA | Committee On Staff Affairs |
| COSI | Childhood Obesity Surveillance Initiative |
| COSO | Committee Of Sponsoring Organizations |
| COST | Committee On Science And Technology |