English abbreviations from hra to hred
- HRA (Mansehra Airport)
- HRAC (Human Resources Association of Calgary)
- HRAE (Human Resources and Adult Education)
- HRAN (Human Rights for All Now)
- HRB (Harbin Taiping International Airport)
- HRB(s) (health-related behavior(s))
- HRBL (High-level Representation of Behavior Language (original name of the Herbal language))
- HRC (Zhairem Airport)
- HRCC (HCAl of Calliper (in Inches))
- HRCF (Hampton Roads Charitable Fund)
- HRC-I ((instrumentation) High Resolution Camera, an instrument on the Chandra X-Ray Observatory)
- HRCI (Human Resource Certification Institute)
- HRCP (Human Rights Commission of Pakistan)
- HRD (Human Resource Development)
- HRDC (Human Resource Development Centre)
- HRDD (Headquarters Research and Development Detachment)
- HRDE (Harm-Reduction Drug Education)
- HRDF (Haitian Resource Development Foundation)
- HRE (Harare International Airport)
- HRED ((U.S. Army Research Laboratory's) Human Research and Engineering Directorate (Aberdeen Proving Ground, Maryland))