| Acronym | Definition |
|---|
| HPPA➣Hewlett Packard Precision Architecture |
| HPPA➣Hewlett-Packard Precision Architecture |
| HPPA➣Hospital Purchaser-Provider Agreement |
| HPPA➣HomePlug Powerline Alliance |
| HPPA➣Harry Potter and the Prisoner of Azkaban (book/movie) |
| HPPA➣High Power Proton Accelerators |
| HPPA➣Health Promotion and Protection Act of 1990 (Ontario, Canada) |