| 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 |