PNK
| Acronym | Definition |
|---|---|
| PNK | Polynucleotide Kinase |
| PNK | Phosphorus, Nitrogen, Potassium (fertilizer) |
| PNK | Prozessnahe Komponente (German) |
| PNK | Pontianak, Indonesia - Supadio (Airport Code) |
| PNK | Putri Naga Komodo (Indonesian: Komodo National Park; Indonesia) |
| PNK | Persatuan Nelayan Kawasan (fishermen's association; Malaysia) |
| PNK | Parc National Kootenay (French: Kootenay National Park; Canada) |
| PNK | Peritoneal Natural Killer (clinical nutrition) |