SSNA
| Acronym | Definition |
|---|---|
| SSNA | Skin Sympathetic Nerve Activity |
| SSNA | Social Support Networking Alliance (online sexually transmitted disease support forum) |
| SSNA | Salafi Society of North America |
| SSNA | Sutherland Shire Netball Association (Miranda NSW Australia) |
| SSNA | South Sudan News Agency |
| SSNA | Sensuous Swingers North America |
| SSNA | S-Shaped Sinus Node Artery |