| Acronym | Definition |
|---|
| CPN | Communist Party of Nepal |
| CPN | Commercial Property News |
| CPN | Calling Party Number |
| CPN | Community Psychiatric Nurse (UK) |
| CPN | Cisco Powered Network |
| CPN | Civic Practices Network |
| CPN | Connaitre et Proteger la Nature (French: Know and Protect Nature) |
| CPN | Citizen Potawatomi Nation (Shawnee, OK) |
| CPN | Communistische Partij Nederland (Netherlands Communist Party) |
| CPN | Customer Premises Network |
| CPN | Colored Petri Net |
| CPN | Certified Pediatric Nurse |
| CPN | Conflict Prevention Network |
| CPN | Comité Sur Les Problèmes Nouveaux |
| CPN | Construction Productivity Network |
| CPN | Cerebral Palsy Network |
| CPN | Customer Proprietary Network (Information) |
| CPN | Castle Pines North |
| CPN | Credit Profile Number |
| CPN | Carnivorous Plant Newsletter |
| CPN | Children's Physician Network |
| CPN | College Planning Network |
| CPN | Critical Path Network |
| CPN | Credit Privacy Number |
| CPN | Constructivist Psychology Network |
| CPN | Corporation for Public Broadcasting |
| CPN | Corruption Prevention Network (Australia) |
| CPN | Carolinas Physicians Network |
| CPN | Carpathian Resources Ltd. |
| CPN | Church Planting Network |
| CPN | Canine Performance Nutrition |
| CPN | Command Post Node |
| CPN | Clean Power Now |
| CPN | Chesapeake Polyamory Network |
| CPN | Central Stars of Planetary Nebulae |
| CPN | Corporate Private Network |
| CPN | Cure Paralysis Now |
| CPN | China Postgraduate Network (UK) |
| CPN | Citrix Program Neighborhood |
| CPN | Community Psychology Net |
| CPN | Cuyahoga Physician Network |
| CPN | Contract Payment Notice |
| CPN | Community Perinatal Network |
| CPN | Caribbean Planners Network |
| CPN | Certification Program Notification |
| CPN | Consultants' Professional Network |
| CPN | Cooperative Purchasing Network |
| CPN | Computer Planned Nutrition |
| CPN | Cerebral Parese Norge (Norwegian Cerebral Palsy) |
| CPN | Canadian Press NEWSTEX |
| CPN | Chinese Professionals in Norway |
| CPN | California Physician Network |
| CPN | Cleinman Performance Network |
| CPN | Comboni Press Network |
| CPN | Corporate Partner Networking |
| CPN | Casual Probabilistic Network |
| CPN | Chinese Professional Networks |
| CPN | Certified Proctor Network |
| CPN | Citizens for the Preservation of Northbridge |
| CPN | Cognition, Psychophysiology and Neuropsychology |
| CPN | Christian Policy Network |
| CPN | Cyprus Property Network Co (UK( |
| Cpn | Chlamydophilia Pneumoniae |