| Acronym | Definition |
|---|
| PNB | Policía Nacional Bolivariana (Spanish: Bolivarian National Police; Venezuela) |
| PNB | Punjab National Bank (India) |
| PNB | Pacific Northwest Ballet (Seattle, WA) |
| PNB | Peanut Butter |
| PNB | Produit National Brut (French) |
| PNB | Philippine National Bank |
| PNB | Producto Nacional Bruto (Spanish: Gross National Product) |
| PNB | Permodalan Nasional Berhad (Malaysia) |
| PNB | Phone Number Bank |
| PNB | Produit Net Bancaire (French) |
| PNB | Produto Nacional Bruto (Portuguese: Gross National Product) |
| PNB | Pacific News Bulletin (publication) |
| PNB | Peripheral Nerve Block |
| PNB | Province of New Brunswick |
| PNB | Partit Nacionalista Basc (Basque Nationalist Party) |
| PNB | Post No Bills |
| PNB | Potential New Boyfriend |
| PNB | Petersburg National Battlefield (Virginia) |
| PNB | Pocket Note Book (British police) |
| PNB | ProCurve Networking Business (Hewlett-Packard) |
| PNB | Pacific Northwest Bank (Seattle, WA) |
| PNB | Prostate Needle Biopsy (medical) |
| PNB | Passive Narrowband |
| PNB | Pulseless Non Breather |
| PNB | Pageant News Bureau, Inc. |
| PNB | People Never Believe (fashion) |
| PNB | Please No Bacon (fashion) |
| PNB | Programa Nacional del Banano (Ecuador) |
| PNB | Pregnant N' Bleeding |
| PNB | Pacific Northwest Bell Company |
| PNB | Proud Nubian Brothers (fashion) |
| PNB | Patientnämndens kansli Borås (Swedish) |
| PNB | Program Note Book |