| Acronym | Definition |
|---|
| PNU➣Physics News Update |
| PNU➣Party of National Unity (Kenya) |
| PNU➣Philippine Normal University (Manila, Philippines) |
| PNU➣Princess Noura Bint Abdulrahman University (Saudi Arabia) |
| PNU➣Pusan National University (Korea) |
| PNU➣Payame Noor University |
| PNU➣Pharmacia and Upjohn |
| PNU➣Protein Nitrogen Units |
| PNU➣Polish National Union |
| PNU➣Parc Naturel Urbain (French) |
| PNU➣Position Navigation Unit |
| PNU➣Partai Nahdlatul Ummat (Indonesia) |
| PNU➣Precision Navigation Upgrade |
| PNU➣Particular Nutritional Uses |
| PNU➣Prenatal Ultrasound |
| PNU➣Precision Navigation Unit (HARM upgrade) |
| PNU➣Principality of New Utopia |
| PNU➣Photo Net Union |
| PNU➣Palestine News Update |
| PNU➣Prenatal Ultrasonography |
| PNU➣Planck's Natural Units |
| PNU➣Pique-Niques Urbains (French) |
| PNU➣Praktischer Natur- und Umweltschutz (German) |
| PNU➣Patientnamnden Uddevalla (Swedish) |