| Acronym | Definition |
|---|
| PLAA➣Poor Law Amendment Act |
| PLAA➣Privileged Level Access Agreement (US DoD) |
| PLAA➣Professional Licensure Augmentation Account (Pennsylvania) |
| PLAA➣Professional Locksmiths Association of Alberta |
| PLAA➣Poly-L-Aspartic Acid |
| PLAA➣Primary Language Arts Assessment |
| PLAA➣Public Lands Access Association (Montana) |
| PLAA➣Present Level of Academic Achievement (student performance) |