HRF
- A-type proanthocyanidin
- Croatian Radio Festival
- Haemodynamic response
- Hailemariam and Roman Foundation
- Haiti Reconstruction Fund
- Hind Rajab Foundation
- Homeland Reserve Forces
- Hostage Rescue Force
- Human Relief Foundation
- Human Rights First
- Human Rights Foundation
- Human Rights Foundation (New Zealand)
- Human-readable medium
- Resting bitch face
- Rockwell scale
- Swedish Hotel and Restaurant Workers' Union