| Abbreviation | Definition |
|---|---|
| RHPG | Register of Historic Parks and Gardens |
| RHPJ | Repeatedly High Performing Jurisdictions |
| RHPR | Red Hot Parent Rage |
| RHPR | Revue d'Histoire et de Philosophie Religieuses |
| RHPS | Ralph Humps Purple Snakes |
| RHPS | Rocky Horror Picture Show |
| RHPS | The Religious Heathen Pagan Site |
| RHPZ | Right Half Plane Zero |
| RHPZ | Right Half Pole Zero |
| RHPZ | Riparian Habitat Protection Zones |
| RHQ | Raine Horne Queensland |
| RHQ | Rapid Heating and Quenching |
| RHQ | Refrigeration House of Queensland |
| RHQ | Rhythm Heaven Quilava |
| RHR | Radio Horizon Range |
| RHR | Real Hardstyle Radio |
| RHR | Rector Hayden Realtors |
| RHR | Reducing Homeless Runaways |
| RHR | Refugees Helping Refugees |
| RHR | Remote Ham Radio |