HLAA
| 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 |