| Acronym | Definition |
|---|
| LDSD➣Low-Density Supersonic Decelerator (US NASA) |
| LDSD➣Lower Dauphin School District (Hummelstown, Pennsylvania) |
| LDSD➣Low Dimensional Structures and Devices (University of Sheffield, Sheffield, South Yorkshire, England, UK) |
| LDSD➣Load Default Single Display (computing) |
| LDSD➣Look-Down, Shoot-Down |
| LDSD➣Landsforeningen Dansk Senior Dans (Danish: Danish Society of Senior Dance; Denmark) |
| LDSD➣Low Dose Streptozotocin-Induced Diabetic |