| Acronym | Definition |
|---|
| HRP | Horseradish Peroxidase |
| HRP | Historic Royal Palaces (UK) |
| HRP | Human Rights Program (various locations) |
| HRP | Half Rate Plus |
| HRP | Hitler Rants Parodies (satire website) |
| HRP | Hot Rolled Plate (various companies) |
| HRP | Health Research and Policy |
| HRP | Human Research Program (US NASA) |
| HRP | Human Reliability Program |
| HRP | Halden Reactor Project (OECD) |
| HRP | High-Risk Plaque (research initiative) |
| HRP | Human Resource Planning |
| HRP | Housing Rehabilitation Program |
| HRP | Harm Reduction Program (various organizations) |
| HRP | Humanitarian Response Program (Ethiopia) |
| HRP | High Risk Personnel |
| HRP | Hutt River Province (self-proclaimed country in Western Australia) |
| HRP | Hardware Reference Platform (PowerPC) |
| HRP | High Resolution Process |
| HRP | Horizontal Radiation Pattern (antenna) |
| HRP | Human Remains Pouch |
| HRP | Hotfix Rollup Package (software) |
| HRP | High Resolution Picture |
| HRP | Home Reversion Plan (UK) |
| HRP | Highland Regional Program |
| HRP | High-Resolution Profilometry |
| HRP | Highway Regulating Point |
| HRP | Holding & Reconsignment Point |
| HRP | Helicopter Reference Point |
| HRP | High Rate Protection (Tadiran) |
| HRP | Human Resources Procedure |
| HRP | Hydraulic Retarder Pressure |
| HRP | Heat Resisting Paint |
| HRP | Happy Relationship Paranoia |
| HRP | Handset Release Program (software) |
| HRP | Harmonie Royale Policière de Charleroi (Belgium) |