ACV
- AC Virtus
- Achumawi language
- Aciclovir
- Actual cash value
- Air Cushion Vehicle
- All-commodity volume
- Allegheny-Clarion Valley School District
- Alpha2 Canum Venaticorum variable
- Amphibious Combat Vehicle
- Apple cider vinegar
- Arcata-Eureka Airport
- Assassin's Creed Valhalla
- Asser Christelijke Voetbalvereniging
- Asset of community value
- Associated Commercial Vehicles
- Confederation of Christian Trade Unions
- FNSS ACV-15
- FNSS ACV-19
- Hovercraft
- List of auxiliaries of the United States Navy
- Tanks of Canada