| Acronym | Definition |
|---|
| SSDG➣Ship Service Diesel Generator |
| SSDG➣Ship's Service Diesel Generator |
| SSDG➣Seeton Shinkewski Design Group (Vancouver, British Columbia, Canada) |
| SSDG➣Shelbourne Supporters Development Group |
| SSDG➣System Software Development Group (Centre for Development of Advanced Computing; India) |
| SSDG➣Space Station Door Gunner (gaming) |
| SSDG➣Smurfit-Stone Display Group |