| 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) |