| Acronym | Definition |
|---|
| HPDA➣Human Progenitor-Derived Astrocytes (cells) |
| HPDA➣Hidroelectrica Piedra Del Aguila (Argentinean electric services) |
| HPDA➣Hipster Parietal Disgorgement Aid |
| HPDA➣Heart of Pinellas Decorative Artists (est. 1977; Largo, FL) |
| HPDA➣Halton-Peel Dental Association (Ontario, Canada) |
| HPDA➣High Performance Data Analysis |
| HPDA➣Hypothalamic Perifornical Defence Area |