| Acronym | Definition |
|---|
| PHDP➣Perfectly Hidden Depressed Person (psychology) |
| PHDP➣Provincial Housing Development Plan (South Africa) |
| PHDP➣Porous High-Density Polyethylene (plastic surgery) |
| PHDP➣Philippine Health Development Project (World Bank) |
| PHDP➣Physical Discovery Protocol (Hitachi) |