HPIA
| Acronym | Definition |
|---|---|
| HPIA | Hawaii Property Insurance Association (high-risk home insurance) |
| HPIA | Heme Polymerization Inhibitory Activity |
| HPIA | Highly Pathogenic Influenza A |
| HPIA | Heparin-Platelet Factor 4-Induced Antibody |
| HPIA | Harvey Park Improvement Association (Denver, CO) |
| HPIA | Hypothalamic Prolactin-Inhibiting Activity (endocrine system) |