HVA is a three-letter acronym that may refer to:
- Hauptverwaltung Aufklärung, the defunct foreign intelligence service of the German Democratic Republic
- Homovanillic acid, a major catecholamine metabolite
- Hogeschool van Amsterdam, a Dutch educational institution
- Handelsvereniging Amsterdam, a famous Dutch company 1873-1983
- Huron Valley Ambulance, a nonprofit community ambulance service in the Huron valley
- Husqvarna Motorcycles, now a subsidiary of BMW, a motocross and enduro motorcycle manufacturer.
- Hunter Valley Aviation, an Australian flight school near Newcastle, New South Wales
- Norwegian The Norwegian word "what"
- Helmand Valley Authority, Afghanistan