LTSD
| Acronym | Definition |
|---|---|
| LTSD | Long Term Supplier's Declaration (trade) |
| LTSD | Long Term Services Division |
| LTSD | Lackawanna Trail Super Domain (Lackawanna, PA) |
| LTSD | Loyalsock Township School District (Pennsylvania) |
| LTSD | Lack of Traumatic Stress Disorder |
| LTSD | Low-Tone Sensorineural Deafness |
| LTSD | Low Tone Sudden Deafness |