ICV can stand for:
- ICVolunteers / ICVolontaires / ICVoluntarios
- Cargolux Italia, an airline using the ICAO airline designator ICV
- Idle Control Valve, a device to control the idle speed of an internal combustion engine.
- Integrity check value
- Infantry combat vehicle, see Infantry fighting vehicle
- Initiative for Catalonia Greens, a political party of Catalonia.
- International certificate of vaccination, see Carte Jaune
- International Congress of Vexillology, see Fédération internationale des associations vexillologiques
- Intracerebroventricular region of the brain
- Ileocecal valve