| RHC | Racing Hart Concepts 
| Others |
| RHC | Radiant Hydronics Council
| Others |
| RHC | Radio and Hvac Controls
| Others |
| RHC | Radio Habana Cuba
| Others |
| RHC | Radio Havana Cuba
| Others |
| RHC | Rail Highway Crossing
| Others |
| RHC | Raining Hot Coupons
| Others |
| RHC | Ramsay Health Care
| Others |
| RHC | Ray Hartstein Campus
| Others |
| RHC | Receive Hopping Codes
| Others |
| RHC | Red Hair Color
| Others |
| RHC | Red Hair Colour
| Others |
| RHC | Red Hair Crue
| Others |
| RHC | Red Hat Cloud
| Others |
| RHC | Red Hat Consulting
| Others |
| RHC | Red Hawk Corporation
| Others |
| RHC | Red Hook Crit
| Others |
| RHC | Red Hook Criterium
| Others |
| RHC | Reddit Hockey Club
| Others |
| RHC | Regional Health Commission
| Others |
| RHC | Regional Historic Center
| Others |
| RHC | Regional Holding Company
| Others |
| RHC | Regional Hydrographic Commissions
| Others |
| RHC | Rejected Hallmark Cards
| Others |
| RHC | Renault Histoire et Collection
| Others |
| RHC | Renewable Heating and Cooling
| Others |
| RHC | Republican Hindu Coalition
| Others |
| RHC | Residence Hall Coordinator
| Others |
| RHC | Residence Hall Council
| Others |
| RHC | Residence Hall Councils
| Others |
| RHC | Residence Halls Counsel
| Others |
| RHC | Residential Habilitation Centers
| Others |
| RHC | Respiration Has Ceased
| Others |
| RHC | Respirations Have Ceased
| Others |
| RHC | Responsible Hospitality Council
| Others |
| RHC | Reviews, Hints, and Cheats
| Others |
| RHC | Ride Height Control
| Others |
| RHC | Rideout Hospitality Consulting
| Others |
| RHC | Right Hand Circular
| Others |
| RHC | Right Hand Column
| Others |
| RHC | Right Handed Current
| Others |
| RHC | Right Heart Cath
| Others |
| RHC | Right-Hand Circular (Polarization)
| Others |
| RHC | Rio Hondo College
| Others |
| RHC | Road Hazard Coverage
| Others |
| RHC | Robert Heely Construction
| Others |
| RHC | Robinson Helicopter Company
| Others |
| RHC | Rock Hard Coliseum
| Others |
| RHC | Rockets Hockey Club
| Others |
| RHC | Ross Hayes Citrullo
| Others |
| RHC | Rotation Hand Controller
| Others |
| RHC | Royal Hashemite Court
| Others |
| RHC | Ruggedized Handheld Computer
| Others |
| RHC | Ruiheng (Shanghai) Consulting Company, LTD.
| Others |
| RHC | Rural Health Care
| Others |
| RHC | Rural Health Center
| Others |
| RHC | Rural Health Centers
| Others |
| RHC | Rural Health Centres
| Others |
| RHC | Rural Health Clinic
| Others |
| RHC | Rural Health Clinics
| Others |
| RHC | Rural Health Collaborative
| Others |