| Acronym | Definition |
|---|
| HPW | Harry Potter Wiki (database; J.K. Rowling) |
| HPW | Howard Perry and Walston (Coldwell Banker; North Carolina) |
| HPW | High Purity Water |
| HPW | High Performance Working (EU) |
| HPW | High Power Waveform |
| HPW | High Performance Workstation |
| HPW | Hours Per Week |
| HPW | Hot Process Water |
| HPW | Human Performance Wing (US Air Force) |
| HPW | High Performance Workplace |
| HPW | Hennessey Performance Wheels |
| HPW | Home Page Wizard |
| HPW | High Performance Waveform |
| HPW | High Performance Waveform (satellite communications) |
| HPW | Hideous Piglet Wild-a-Beast (band) |
| HPW | Heating Plumbing & Welding (Northampton, UK, based heating installers) |
| HPW | High Ping Whiner (Quake gaming) |
| HPW | Hot Pressure Welding |
| HPW | High Protein Wombaroo (sugar gliders diet) |
| HPW | High Performance Waveguide |
| HPW | High Pressure Welding |
| HPW | High Profile Wrestling (Orlando, FL) |
| HPW | Hurricane Product Warehouse (Melbourne, FL) |
| HPW | Height Weight Proportional |