| HWP | Half Wave Plate 
| Others |
| HWP | Half Wavelength Plate
| Others |
| HWP | Hangul Word Processing
| Others |
| HWP | Hangul Word Processor
| Others |
| HWP | Hard Working People
| Others |
| HWP | Hard Working Professional
| Others |
| HWP | Hardy Weinberg Principle
| Others |
| HWP | Hartford Web Publishing
| Others |
| HWP | Harvard Web Publishing
| Others |
| HWP | Harvested Wood Products
| Others |
| HWP | Hazardous Waste Program
| Others |
| HWP | Hazardous work permit
| Others |
| HWP | Health and Wellness Partners
| Others |
| HWP | Health and Wellness Promotion
| Others |
| HWP | Health Wealth and Prosperity
| Others |
| HWP | Health Wellness and Prevention
| Others |
| HWP | Healthy Watersheds Program
| Others |
| HWP | Healthy Watersheds Protection
| Others |
| HWP | Healthy Weight Protocol
| Others |
| HWP | Healthy Women Partnership
| Others |
| HWP | Healthy Work Place
| Others |
| HWP | Heater Water Pump
| Others |
| HWP | Heavy Weapon Platform
| Others |
| HWP | Heavy Weather Plan
| Others |
| HWP | Height and Weight Proportional
| Others |
| HWP | Height and Weight Proportionate
| Others |
| HWP | Height Weight and Proportionate
| Others |
| HWP | Height Weight Proportion
| Others |
| HWP | Height Weight Proportional
| Others |
| HWP | Height Weight Proportionate
| Others |
| HWP | Heinous Witchcraft Poltergeism
| Others |
| HWP | Hello World Project
| Others |
| HWP | High Wetlook Potential
| Others |
| HWP | Highway Pilot
| Others |
| HWP | Highway Watch Program
| Others |
| HWP | His Word Publications
| Others |
| HWP | Historical Weekly Pop
| Others |
| HWP | Holistic Wellness Practice
| Others |
| HWP | Hollow Washer Plugs
| Others |
| HWP | Home Work Pass
| Others |
| HWP | Home Workspace Program
| Others |
| HWP | Homosexual white person
| Others |
| HWP | Honda Warranty Plus
| Others |
| HWP | Hot Water Petrol
| Others |
| HWP | Hot Water Pipe
| Others |
| HWP | Hot Wet Pack
| Others |
| HWP | Hot White Person
| Others |
| HWP | Hot Work Permit
| Others |
| HWP | House Warming Party
| Others |
| HWP | Howard W Phillips
| Others |
| HWP | Hullmann Willkomm Partner
| Others |
| HWP | Human White Preadipocytes
| Others |