| Acronym | Definition |
|---|
| HPAC➣Hyde Park Art Center (Chicago) |
| HPAC➣High Performance Affinity Chromatography |
| HPAC➣Heating/Piping/Air Conditioning |
| HPAC➣Hyogo Performing Arts Center (Japan) |
| HPAC➣Hazard Prediction and Assessment Capability |
| HPAC➣Heat Pump Air Conditioner |
| HPAC➣High-Pressure Air Compressor |
| HPAC➣Hunts Point Alliance for Children (Bronx, NY) |
| HPAC➣Hacking, Phreaking, Anarchy and Cracking (documentary) |
| HPAC➣Helping Prevent Animal Cruelty |
| HPAC➣Heating, Plumbing and Air Conditioning |
| HPAC➣Health Promotion Access Catalogue (UK) |
| HPAC➣Health Policy Action Committee (medical student education) |
| HPAC➣Human Powered Alien Craft |
| HPAC➣Historic Properties Assistance Contribution |
| HPAC➣Hazard Prediction Analysis Code |