HDDP
| Acronym | Definition |
|---|---|
| HDDP | High Data Defined Persons |
| HDDP | High Definition Data Processing |
| HDDP | Horizontally Double Density Pixel |
| HDDP | Hearing Dogs for Deaf People (UK) |
| HDDP | Horizontally Double-Density Pixel |
| HDDP | Hump Day Dance Party (Chicago, IL) |
| HDDP | Honorable Discharge, Dependency Existing Prior to Enlistment |
| HDDP | High Definition Data Processing (Baron Services) |
| HDDP | High Definition Digital Photography |