| Acronym | Definition |
|---|
| RHH | Real Hip-Hop |
| RHH | Royal Hallamshire Hospital (UK) |
| RHH | Reverend Horton Heat (band) |
| RHH | Rheinhessen (part of the state of Rheinland-Pfalz, Germany) |
| RHH | Royal Hobart Hospital (Tasmania, Australia) |
| RHH | Renaissance Hollywood Hotel (Hollywood, CA) |
| RHH | Rollins Hudig Hall of Southern California, Inc. |
| RHH | Rubber High Heat-resistant (wire) |
| RHH | Rossmann Hurt Hoffman, Inc (Ellicott City, MD) |
