PLNA
| Acronym | Definition |
|---|---|
| PLNA | popliteal lymph node assay |
| PLNA | Pennsylvania Landscape and Nursery Association |
| PLNA | Privilege Login Not Active |
| PLNA | Provincial Laboratory of Northern Alberta (Canada) |
| PLNA | Port Lincoln Netball Association (Port Lincoln, South Australia, Australia) |
| PLNA | Professional Learning Needs Assessment |
| PLNA | Pallido-Luysio-Nigral Atrophy (neurology) |