| Acronym | Definition |
|---|
| PNSS➣Pregnancy Nutrition Surveillance System |
| PNSS➣Parti National Social Syrien (French: Syrian Social National Party) |
| PNSS➣Podstawa Naliczania Stypendium Socjalnego (Polish: Basis for Calculating Social Scholarship; academic scholarships) |
| PNSS➣Plain Normal Saline Solution |
| PNSS➣Permanent National Security State |
| PNSS➣Pilot Night Sight System |