| Acronym | Meaning |
| LIA | Land Inventory Analysis |
| LIA | Landscape Impact Assessment |
| LIA | Leave with Income Averaging (Canada) |
| LIA | Leeward Islands Air Transport, Antigua and Barbuda (ICAO code) |
| LIA | Legislative Instruments Act (Australia) |
| LIA | Libyan Investment Authority (sovereign wealth fund) |
| LIA | Link Interface Assembly (TCDL) |
| LIA | Live Impact Area |
| LIA | Local Implementation Agreement |
| LIA | Local Issuing Authority |
| LIA | Logistics Impact Analysis |
| LIA | Logistics Innovation Agency (replaces the Logistics Integration Agency) |
| LIA | Logistics Integration Agency |
| LIA | Lost in Action |