HDSD
| Acronym | Definition |
|---|---|
| HDSD | Headquarters and Desktop Services Division |
| HDSD | Hillsboro-Deering School District (New Hampshire) |
| HDSD | Hazel Dell Sewer District (Vancouver, WA) |
| HDSD | Hypobaric Decompression Sickness Databank (US NASA) |
| HDSD | High Density Storage Device |