| RHR | Rabbis for Human Rights
| Others |
| RHR | Radical History Review
| Others |
| RHR | Radio Horizon Range
| Others |
| RHR | Rageth Human Resources
| Others |
| RHR | Randy Hill Racing
| Others |
| RHR | Real Hardstyle Radio
| Others |
| RHR | Really Handsome Ring
| Others |
| RHR | Really Huge Rocks
| Others |
| RHR | Rector Hayden Realtors
| Others |
| RHR | Rector-Hayden, Realtors
| Others |
| RHR | Reducing Homeless Runaways
| Others |
| RHR | Refugees Helping Refugees
| Others |
| RHR | Relative Hazard Reduction
| Others |
| RHR | Remote Ham Radio
| Others |
| RHR | Rental History Reports
| Others |
| RHR | Reproductive Health and Research
| Others |
| RHR | Residence Hotels and Resorts
| Others |
| RHR | Residual Heat Removal
| Others |
| RHR | Resting Heart Rate
| Others |
| RHR | Retail Human Resources
| Others |
| RHR | Retractable Rear Head Restraints
| Others |
| RHR | Rick's Hot Rods
| Others |
| RHR | Right Hand Rule
| Others |
| RHR | Right hand Rules
| Others |
| RHR | Roadside Hazard Rating
| Others |
| RHR | Ron Hermione Romance
| Others |
| RHR | Ronald Hastings Rackham
| Others |
| RHR | Round Hill Ranch
| Others |
| RHR | Rural Hillside Residential
| Others |
| RHR | Ryan Hodgson Rigsbee
| Others |