| Acronym | Definition |
|---|
| SSDN➣Scottish Schools Digital Network (Scotland, UK) |
| SSDN➣Stay Strong Dopey Nation |
| SSDN➣South Side Day Nursery (St. Louis, MO) |
| SSDN➣Shri Satguru Devay Namah (Indian religious group) |
| SSDN➣Stylus Studio Developer Network (Progress Software Corporation) |
| SSDN➣Simple Service Discovery for .NET |
| SSDN➣Sun Synchronous Day/Night |
| SSDN➣Same Stuff Different Name (polite form) |