English abbreviations from hreels to hrs
- HREELS (High-Resolution Electron Energy Loss Spectroscopy)
- HREM (High-Resolution Electron Microscopy)
- HRES (Harvard Real Estate Services)
- HRF (High Readiness Forces)
- HRG (Hurghada International Airport)
- HRH (His (or Her) Royal Highness)
- HRI (Mattala Rajapaksa International Airport)
- HRIC (Human Rights in China)
- HRJ (Chaurjhari Airport)
- HRJTF (Humanitarian Relief Joint Task Force)
- HRK (Croatian kuna (ISO 4217 currency code))
- HRL (Valley International Airport)
- HRLA (High Resolution Laterolog Array (resistivity logging tool))
- HRM (His (or Her) Royal Majesty)
- HRMS ((observing program) High Resolution Microwave Survey, a survey for microwave signals from extraterrestrial intelligence)
- HRN (Heron Island Heliport)
- HRO (Boone County Airport)
- HROB (Human Resources Operations Branch)
- HRO-CC (Human Resources Office - Crystal City)
- HRO-NSSC (Human Resources Office - Naval Sea Systems Command)
- HRO-WNY (Human Resources Office - Washington Navy Yard)
- HRP (High-Risk Personnel)
- HRR (Herrera Airport)
- HRRM (Hospitality, Recreation and Resort Management (UWF))
- HRS (Harrismith Airport)