| Acronym | Definition |
|---|
| ALPA➣Air Line Pilots Association |
| ALPA➣Active Low Pressure Area (meteorology) |
| ALPA➣Adult Learning Programs of Alaska |
| ALPA➣Arbitrated Loop Physical Address |
| ALPA➣Arnhem Land Progress Association (Northern Territory, Australia) |
| ALPA➣Australian Livestock & Property Agents Association (Australia) |
| ALPA➣Adelaide LAN Party Association |
| ALPA➣Alaska Long-Period Array (seismology) |
| ALPA➣Association of Little People of Alberta (Canada) |