| Acronym | Definition |
|---|
| HLAA➣Hearing Loss Association of America (formerly Self Help for Hard of Hearing People; Bethesda, MD) |
| HLAA➣Housing Land Availability Assessment (UK) |
| HLAA➣Human Leukocyte Antigen-A (cancer) |
| HLAA➣Health Legislation Amendment Act (Australia) |
| HLAA➣Hippuryl-L-Argininic Acid |
| HLAA➣Heated Linoleic Acid Anilide |