| Acronym | Definition |
|---|
| ALGA | Australian Local Government Association |
| ALGA | Association of Local Government Auditors (formerly National Association of Local Government Auditors) |
| ALGA | Australian Lesbian and Gay Archives (est. 1978; Melbourne, Australia) |
| ALGA | Applicazione Lavorazione Giunti Appoggi (Italian scaffolding manufacturer; Milan, Italy) |
| ALGA | Autoshift Low Gear Actuator |
| ALGA | American Lite Golf Association |