| CNSA | California Nevada Snowmobile Association 
| Others |
| CNSA | California Nursing Student Association
| Others |
| CNSA | California Nursing Students Association
| Others |
| CNSA | California Nursing Students' Association
| Others |
| CNSA | Canadian Nursing Student Association
| Others |
| CNSA | Canadian Nursing Students Association
| Others |
| CNSA | Canadian Nursing Students' Association
| Others |
| CNSA | Cancer Nurses Society of Australia
| Others |
| CNSA | Central Negros Shooters Association
| Others |
| CNSA | Certified Network Security Administrator
| Others |
| CNSA | China National Space Administration
| Others |
| CNSA | China National Space Agency
| Others |
| CNSA | Chinese National Space Agency
| Others |
| CNSA | Chinese Neurotrauma Scholar Association
| Others |
| CNSA | CNGB Nucleotide Sequence Archive
| Others |
| CNSA | Commercial National Security Algorithm
| Others |
| CNSA | Commercial National Security Algorithms
| Others |
| CNSA | Computer Network and System Administration
| Others |
| CNSA | Computer Networking and System Administration
| Others |
| CNSA | Coronado Navy Swim Assn
| Others |
| CNSA | Coronado Navy Swim Association
| Others |