| RHP | Andrews Murphy Airport, USA - NC 
| Others |
| RHP | Radiant Heat Panel
| Others |
| RHP | Radient Heat Panel
| Others |
| RHP | Rail Highway Crossing Protective Device
| Others |
| RHP | Ramechap, Nepal
| Others |
| RHP | Random Happening Program
| Others |
| RHP | Rated Horse Power
| Others |
| RHP | Re-Heat Pizza
| Others |
| RHP | Recirculatory Hemoperfusion
| Others |
| RHP | Reconfigurable Hardware Product
| Others |
| RHP | Red Hen Press
| Others |
| RHP | Red House Painters
| Others |
| RHP | Redemption Hold Period
| Others |
| RHP | Refugee Health Partners
| Others |
| RHP | Refugee Highway Partnership
| Others |
| RHP | Regenerated Human Production
| Others |
| RHP | Regional Healthcare Partnership
| Others |
| RHP | Regional Housing Programme
| Others |
| RHP | Regional Hydroclimate Project
| Others |
| RHP | Regional Hydroclimate Projects
| Others |
| RHP | Registered Historic Places
| Others |
| RHP | Relative Humidity - Percent
| Others |
| RHP | Resident Honors Program
| Others |
| RHP | Residential Housing Project
| Others |
| RHP | Resource Holding Potential
| Others |
| RHP | Respect Honor and Passion
| Others |
| RHP | Retirement Housing Professional
| Others |
| RHP | Right Half Plane
| Others |
| RHP | Right Hand Panel
| Others |
| RHP | Right Hand Path
| Others |
| RHP | Right Hand Point
| Others |
| RHP | Right Handed Phenomenon
| Others |
| RHP | Right Handed Pitcher
| Others |
| RHP | Ring Health Packet
| Others |
| RHP | Ring Hello Packet
| Others |
| RHP | Road Hazard Program
| Others |
| RHP | Road Hazard Protection
| Others |
| RHP | Road Horse Power
| Others |
| RHP | Robada Highway Patrol
| Others |
| RHP | Robert H Perry Yachts Designers, Inc.
| Others |
| RHP | Robert Hillmann Products
| Others |
| RHP | Roblox Highway Patrol
| Others |
| RHP | Rolling Hills Prep
| Others |
| RHP | Round Hill Pacific
| Others |
| RHP | Rudnitsky Hackman and Potter
| Others |
| RHP | Rural Heritage Program, National Trust for Historic Preservation
| Others |
| RHP | Rural Hospital Program
| Others |
| RHP | Ryman Hospitality
| Others |
| RHP | Ryman Hospitality Properties
| Others |