| CNPA | California Newspaper Publishers Association 
| Others |
| CNPA | Cambodian National Petroleum Authority
| Others |
| CNPA | Carolina Nature Photographers Association
| Others |
| CNPA | Carolinas Nature Photographers Association
| Others |
| CNPA | Carpathian Network of Protected Areas
| Others |
| CNPA | Certified Natural Products Advisor
| Others |
| CNPA | Chiral Nanostructures for Photonic Applications
| Others |
| CNPA | Chronic Necrotizing Pulmonary Aspergillosis
| Others |
| CNPA | Communications, Navigation, Penetration Aids
| Others |
| CNPA | Conditional Neyman Pearson Algorithm
| Others |
| CNPA | Connecticut Naturopathic Physicians Association
| Others |
| CNPA | Conseil National des Professions de l'Automobile
| Others |
| CNPA | Coordinadora Nacional Plan de Ayala
| Others |
| CNPA | Counter Narcotics Police of Afghanistan
| Others |
| CNPA | Czech Nature Protection Association
| Others |