NPK
| Acronym | Definition |
|---|---|
| NPK | Nippon Kogaku (Japanese cameras) |
| NPK | Nitrogen, Phosphorous, Potassium |
| NPK | Nacionalnih Poklicnih Kvalifikacij (Slovenian: National Vocational Qualifications) |
| NPK | Nederlands Palestina Komitee (Dutch: Dutch Palestinian Committee; Netherlands) |
| NPK | National Party of Kenya |
| NPK | Nadmorski Park Krajobrazowy (Polish: Coastal Landscape Park) |
| NPK | Nippon Pneumatic Kogyo (Japan) |
| NPK | Non-Player Killer |