| Acronym | Definition |
|---|
| LTSA➣Land Title and Survey Authority (British Columbia, Canada) |
| LTSA➣Long-Term Sickness Absence |
| LTSA➣Land Transport Safety Authority (New Zealand) |
| LTSA➣Long Term Service Agreement |
| LTSA➣Learning Technology Systems Architecture |
| LTSA➣Long-Term Space Astrophysics |
| LTSA➣Labeled Transition System Analyzer |
| LTSA➣Linearly Tapered Slot Antenna |
| LTSA➣Low Temperature Starting Aid (Advanced Engine Technology Ltd.) |
| LTSA➣Likely to Shop Again (rating) |
| LTSA➣Limited Terms Service Account (Apple, Inc.) |
| LTSA➣Long-Term Spectral Average |