HCV
HCV stands for:
- Hawaii Center for Volcanology at the University of Hawaii in Honolulu for research on volcanic activity
- Hepatitis C virus , which causes a viral form of hepatitis
- Heterocapsa circularisquama DNA virus (outdated acronym, now: HcDNAV), type species of Dinodnavirus
- Historical Collectie Connection Service , historical telecommunications collection of the Netherlands
- Hypersonic Cruise Vehicle , see DARPA FALCON Project
- Halcyonair (ICAO code), former Cape Verdean airline