| COPP | California Office of Privacy Protection 
| Others |
| COPP | Canadian Oil Polution Prevention
| Others |
| COPP | Center for Organizational and Personnel Psychology
| Others |
| COPP | Certificate Of Pharmaceutical Products
| Others |
| COPP | Certified Output Protection Protocol
| Others |
| COPP | Citizens On Patrol Program
| Others |
| COPP | Citizens on Preventive Patrol
| Others |
| COPP | Citizens On Proactive Patrol
| Others |
| COPP | City Of Port Phillip, Australia
| Others |
| COPP | CITYzens Oversight Participation Project
| Others |
| COPP | College of Professional Psychology
| Others |
| COPP | Combined Operations Pilotage Parties
| Others |
| COPP | Commissioner of Political Practices
| Others |
| COPP | Communities On Phone Patrol
| Others |
| COPP | Connection Oriented Presentation Protocol
| Others |
| COPP | Control Plane Policing
| Others |
| COPP | cyclophosphamide, vincristine, procarbazine, & prednisone
| Others |