| Acronym | Definition |
|---|
| DNK | Denmark (Amtrak station code; Denmark, SC) |
| DNK | Denmark (ISO Country code) |
| DNK | Does Not Know |
| DNK | Dezoksiribonukleinska Kiselina (Serbian: DNA) |
| DNK | Deoxyribonukleová Kyselina (Czech: DNA) |
| DNK | Dominant Non-Stop Knockouts (Global Wrestling Association) |
| DNK | Destructively Nefarious Kids (Codename: Kids Next Door TV series) |
| DNK | Dansk Naturvidenskabeligt Kursussamvirke |
| DNK | Deutsches National-Komitee des Welt-Erdöl-Rates |
| DNK | Deutsche Netto-Katalog (German catalog) |
| DNK | Dniepropetrovsk Airport (airport code) |