HRF

HRF may refer to:

• Croatian Radio Festival (Croatian: Hrvatski radijski festival)
• Haemodynamic response function
• Haiti Reconstruction Fund
• Heterocyclic ring fission, a fragmentation scheme in mass spectrometry; see A-type proanthocyanidin
• 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 (New Zealand)
• Swedish Hotel and Restaurant Workers' Union (Swedish: Hotell och Restaurang Facket)
• Hailemariam and Roman Foundation