| Acronym | Definition |
|---|
| HPNA | Home Phoneline Networking Alliance |
| HPNA | Home Portal Network Adapter |
| HPNA | Home Phone Network Adapter |
| HPNA | Hospice and Palliative Nurses Association |
| HPNA | Heavy Polynuclear Aromatics (hydrocracking) |
| HPNA | Hyde Park Neighborhood Association (Austin, TX) |
| HPNA | Harman Pro North America |
| HPNA | Hamilton Park Neighborhood Association |
| HPNA | Highland Park Neighborhood Association, Inc. |
| HPNA | Hepatopancreas Nitrate |
| HPNA | High Precipitation NAW Area |
| HPNA | Hollywood Park Neighborhood Association |
| HPNA | Holiday Park Neighborhood Association |
| HPNA | High Point Neurological Associates (High Point, NC) |