Abbreviations beginning with h

HRRHuman Race's Run (band)
Miscellaneous

HRRHuman Rights Report (Association of On-line Press Editors)
Miscellaneous

HRRHumanitarian Response Review
Miscellaneous

HRRHunter Resource Recovery
Miscellaneous » Unclassified

HRRRockwell R Hardness Number
Miscellaneous » Plastics

HRR(s)hospital referral region(s)
Medical » Hospitals

HRRAHampton Roads Realtors Association (Virginia)
Academic & Science

HRRAHousatonic Resources Recovery Authority (regional waste management authority; Connecticut)
Academic & Science

HRRAHigh-Risk Research in Anthropology (US NSF publication)
Community

HRRAHorse Racing Redevelopment Act (Delaware)
Governmental

HRRAHawaii Road Race Association
Miscellaneous

HRRAHudson River Recreation Area (Lake George, NY)
Miscellaneous

HRRACHotel Resort and Restaurant Association of Cebu (Cebu, Philippines)
Academic & Science

HRRACHigh Risk Recognizance Advisory Committee (Correctional Service Canada)
Governmental

HRRACHuman Rights Research and Advocacy Consortium (Afghanistan)
Miscellaneous

HRRCHoffmann Reflex Recovery Curve (neurophysiology)
Academic & Science