| Acronym | Definition |
|---|
| SSDR | Social Security Death Records |
| SSDR | Southern States Dachshund Rescue (Lewisburg, Tennessee) |
| SSDR | Solid State Data Recorder |
| SSDR | Sealed Source and Device Registry |
| SSDR | Subsystem Design Review |
| SSDR | semi-submersible drilling rig |
| SSDR | Single Seat Deregulation (air navigation order exemption relating to microlights) |
| SSDR | Single Seat Deregulated (microlight) |
| SSDR | Species-Specific Defensive Reaction |
| SSDR | SERMIS Source Data Review |
| SSDR | Supplier Service Defect Rate (SAP) |
| SSDR | Sfiziosa Serata Danzante Records |