| SNSA | Scalable Network Simulator Architecture 
| Others |
| SNSA | Scottish National Standardised Assessments
| Others |
| SNSA | Sentara Nursing Student Association
| Others |
| SNSA | Shawangunk Nordic Ski Association
| Others |
| SNSA | Singapore National Stroke Association
| Others |
| SNSA | Slovenian Nuclear Safety Administration
| Others |
| SNSA | Society of Neurosurgeons of South Africa
| Others |
| SNSA | SonicWall Network Security Administrator
| Others |
| SNSA | Southeastern Natural Sciences Academy
| Others |
| SNSA | Southern Nevada Soccer Association
| Others |
| SNSA | Spokane Nordic Ski Association
| Others |
| SNSA | Student Network Systems Administrator
| Others |
| SNSA | Supplemental Nursing Services Agency
| Others |
| SNSA | Swedish National Space Agency
| Others |