English abbreviations from rha to rho
- RHA (rolled homogeneous armour)
- RHAC (Richmond Hill Aquatic Club)
- RHB (Rights Holding Broadcaster)
- RHC (Rural health clinic)
- RHCBA (Red House Children's Book Award)
- RHCE (Red Hat Certified Engineer)
- RHE (Reims Champagne Airport)
- RHED (Rural Health Education Database)
- RHEED (Reflection High-Energy Electron Diffraction)
- RHEL (Red Hat Enterprise Linux)
- RHET (Resonant Hot-tunnelling Electron Transistor)
- RHF (Renewable Hydrogen Forum)
- RHG (Residence Hall Government)
- RHGCC (Rochester Hills Golf and Country Club, Rochester Hills, Michigan)
- RHI (Rhinelander-Oneida County Airport)
- RHIA (Reproductive Health In Asia)
- RHIB (Rigid Hull Inflatable Boat)
- RHIC (Relativistic Heavy Ion Collider)
- RHIT (Resturant, Hotel, Institutional, And Tourism)
- RHJ (Rugged Hearts Journey)
- RHL (Red Hat Linux)
- RHLI (Royal Hamilton Light Infantry (Canadian militia regiment))
- RHM (Regimental Havildar Major)
- RHMA (Rural Home Missionary Association)
- RHO (Southern Rhodesia (ISO 3166 trigram; obsolete 1980))