| Acronym | Definition |
|---|
| PNH➣Paroxysmal Nocturnal Hemoglobinuria |
| PNH➣Parelli Natural Horsemanship |
| PNH➣Peace and Harmony (European gaming guild) |
| PNH➣Phnom Penh, Cambodia - Pochentong (Airport Code) |
| PNH➣Peripheral Nerve Hyperexcitability (neurology) |
| PNH➣Pan Head |
| PNH➣Province of Noord-Holland (Netherlands) |