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
 * 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