HRF

HRF may refer to:Croatian Radio Festival Haemodynamic response function Haiti Reconstruction Fund Heterocyclic ring fission, a fragmentation scheme in mass spectrometry; see A-type proanthocyanidin Hind Rajab Foundation Homeland Reserve Forces, a branch of the Republic of Korea Reserve Forces Hostage Rescue Force, an Egyptian police unit Hostile Resting Face, an unintentionally annoyed-looking facial expression HRF, a Rockwell scale of materials' hardness Human-Readable Format Human Relief Foundation Human Rights First Human Rights Foundation Human Rights Foundation Swedish Hotel and Restaurant Workers' Union Hailemariam and Roman Foundation