| Abbreviation | Definition |
|---|---|
| CMPG | Central Motorway Police Group |
| CMR | Commonwealth of Massachusetts Regulations |
| CNEN | County Non-Emergency Number |
| CO19 | Central Operations Specialist Firearms Command |
| COA | Crackheads Of America |
| COAV | Children and Organized Armed Violence |
| COBB | Count On Being Busted |
| COESPU | Center of Excellence for Stability Police Units |
| COESPU | Centre of Excellence for Stability Police Units |
| COG | Chief Officer Group |
| COLP | City Of London Police |
| COM | Commander of the Order of Merit of the police forces |
| COMAH | Control Of Major Accident Hazards |
| CON | Confidence trick; deception |
| COP | Chief Of Police |
| COP | Community Oriented Police |
| COPA | Civilian Office of Police Accountability |
| COPPS | Coordinating Office for Palestinian Police Support |
| COPS | Central Organization Of Police Specialists |
| COPS | Cleanup Organize Police And Safety |