| Acronym | Definition |
|---|
| PPTN➣Precipitation (chemistry) |
| PPTN➣Pennsylvania Public Television Network |
| PPTN➣Professional Provider Telecommunication Network (Medicare) |
| PPTN➣Principal Public Transport Network (Melbourne, Victoria, Australia) |
| PPTN➣Procés Polític de Transició Nacional (Catalan: Political Process of National Transition) |