PNHS
| Acronym | Definition |
|---|---|
| PNHS | Polomolok National High School (Mindanao) |
| PNHS | Pharmacy, Nursing, and Health Sciences (Purdue University; West Lafayette, IN) |
| PNHS | Pacific Northwest Herpetological Society (reptiles; Burien, WA) |
| PNHS | Portage Northern High School (Michigan, USA) |
| PNHS | Parañaque National High School (Philippines) |
| PNHS | Philadelphia Neighborhood Housing Services, Inc. (Pennsylvania) |