IBV may refer to:
- Institute for Business Value, a unit of Innovation and Research wing of IBM Business Consulting.
- Infectious bronchitis virus, the cause of avian infectious bronchitis, an important poultry disease.
- ÍBV Vestmannaeyjar, an Icelandic football club
- Independent BIOS Vendor; a company that produces BIOS firmware
- Instituto de Biomecánica de Valencia, Valencia Institute of Biomechanics (Spain)
- Institut Belge de Victimologie (IBV), in Belgium