ICV may stand for:
Companies and organizations
- ICVolunteers, non-profit organisation headquartered in Geneva, Switzerland
- Islamic Council of Victoria, representing Muslims in Victoria, Australia
- International Congress of Vexillology
- Initiative for Catalonia Greens, a political party of Catalonia
- Cargolux Italia (ICAO airline designator)
Medicine
- International certificate of vaccination, see Carte Jaune
- Intracerebroventricular (ICV) injection, a medicinal route of administration
- Intracranial volume, the volume in the cranium, including the brain, meninges, and [Cerebrospinal fluid|CSF]
Other uses
- Integrity check value, another name for a checksum
- Interval count vector in music theory, see Interval vector
- Infantry combat vehicle, see infantry fighting vehicle