| Acronym | Definition |
|---|
| LSTA➣Library Services and Technology Act (US) |
| LSTA➣Loan Syndications and Trading Association |
| LSTA➣Louisiana Science Teachers Association |
| LSTA➣Leishmania Skin Test Antigen (parasites) |
| LSTA➣Line Signalling Terminal Allocation |
| LSTA➣Layered Space-Time Architecture |