| Acronym | Definition |
|---|
| CNAS | Center for a New American Security (Washington, DC) |
| CNAS | Comité National d'Action Sociale (French: National Committee for Social Action) |
| CNAS | College of Natural and Agricultural Sciences (University of California, Riverside) |
| CNAS | College of Nursing Art and Science (University of Hyogo; Japan) |
| CNAS | Center for North American Studies |
| CNAS | Casa Nationala de Sanatate (Romanian: National Health House) |
| CNAS | College of Natural and Applied Sciences (University of Guam) |
| CNAS | Commission Nationale d'Action Sociale |
| CNAS | convergent nozzle actuator system |