| 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) |