HCV may refer to:
Government
- Housing choice voucher, US federal rent assistance
- Housing Commission of Victoria, Australia (1938–1984)
Science
- Hepatitis C virus, a human pathogen
- Higher calorific value, see Heat of combustion
- High conservation value area, in ecology and forestry
- Housing choice voucher
- Housing Commission of Victoria, in Australia
Other uses
- Halcyonair, a Cape Verdean airline (2005–2013; ICAO:
HCV)