| Acronym | Definition |
|---|
| HRH | Human Resources for Health |
| HRH | Hard Rock Hotel (various locations) |
| HRH | Harry, Ron, and Hermione (Harry Potter series) |
| HRH | Hancock Regional Hospital (Indiana) |
| HRH | Hilb Rogal & Hobbs (insurance; various locations) |
| HRH | Homeless & Reentry Helpers, Inc. (Indianapolis, IN) |
| HRH | Hand Receipt Holder (US Army) |
| HRH | Holdfast Rubber Highway |
| HRH | Henrietta R Hippo (Simpsons cartoon) |
| HRH | Human Rights Home |
| HRH | House Rabbit Handbook |
| HRH | Hill-Rom Holdings, Inc. (Batesville, IN) |
| HRH | Habitable Rooms per Hectare (UK population density measurement; also seen as HRPH) |
| HRH | Her/His Royal Highness |
| HRH | Royal Tongan Airlines, Tonga (ICAO code) |