SDNS
| Acronym | Definition |
|---|---|
| SDNS | Secure Data Network System |
| SDNS | Secure Data Network Service |
| SDNS | Secure Data Network System (aka Secure Data Network Service; aka Secure Data Networking System) |
| SDNS | Steroid-Dependent Nephrotic Syndrome |
| SDNS | Scottish Daily Newspaper Society (UK) |
| SDNS | Software-Defined Network Services |