| Acronym | Definition |
|---|
| HPD | Housing Preservation and Development |
| HPD | Honolulu Police Department (Honolulu County, Island of Oahu) |
| HPD | Housing Preservation and Development (New York City Department) |
| HPD | Houston Police Department (Houston, TX) |
| HPD | Housing and Property Directorate (Pristina, Kosovo) , |
| HPD | Hot Plug Detect (signal) |
| HPD | Histrionic Personality Disorder |
| HPD | Highest Posterior Density |
| HPD | Hearing Protection Device(s) |
| HPD | Hypnotherapy Practitioner Diploma |
| HPD | Half Power Diameter |
| HPD | Hawaii Police Department (Hawaii County, Island of Hawaii) |
| HPD | Highest Probability Density |
| HPD | Harrisonburg Police Department (Virginia) |
| HPD | Hrvatsko Psihološko Društvo (Croation Psychological Society) |
| HPD | Hamilton Police Department |
| HPD | Hampton Police Division |
| HPD | Habbo Police Department (Habbo Hotel) |
| HPD | Hunan Pacific Drilling |
| HPD | Harmonic Power Doppler |
| HPD | High Power Discriminator |
| HPD | Horizontally Polarized Dipole |
| HPD | Human Pulmonary Dirofilariasis |
| HPD | Helena Police Department |
| HPD | Hudson's PC Doctor (HPD LLC) |
| HPD | Health Plan Division (California Department of Managed Health Care) |
| HPD | Harrisburg Police Department (Pennsylvania) |
| HPD | Hobart Police Department |
| HPD | High Priority Data |
| HPD | Hazleton Police Department |
| HPD | High-Performance Drone |
| HPD | Hazelcrest Park District |
| HPD | Humanitarian Programming Document |
| HPD | Hector Police Department (Ozzy & Drix TV show) |
| HPD | High Pressure Steam Drain |
| HPD | Hebron Police Department |
| HPD | High Performance Delivered (Seattle, WA, consulting) |
| HPD | Hitchcock Police Department (Texas) |