• Confederation of Christian Trade Unions Dutch: Algemeen Christelijk Vakverbond, a Belgian trade union
  • Asianet Cable Vision, a company that provide services on cable TV, broadband internet connections, web hosting and VoIP services in Kerala, India
  • Air Charter Service, UK, ICAO code ACV
  • Associated Commercial Vehicles, a former vehicle manufacturer of the UK, acquired by Leyland Motors Ltd
  • Asser Christelijke Voetbalvereniging English: Assen Christian Football Club, a Dutch amateur football club

1. Economics

  • Asset of community value, in England, protection of land/property from development
  • All-commodity volume, the total annual sales volume of retailers that can be aggregated from individual store-level up to larger geographical sets
  • Actual cash value, money equal to the cost of replacing lost, stolen, or damaged property after depreciation

2. Military

  • FNSS ACV-15
  • Two Turkish armored combat vehicles
  • FNSS ACV-19
  • Air Cushion Vehicle, a hovercraft used by the US Army in the Vietnam War
  • Amphibious Combat Vehicle, under development for the US Marine Corps
  • Armoured Combat Vehicle, a proposed wheeled Canadian tank replacement

3. Other uses

  • Aciclovir, an antiviral drug
  • Apple cider vinegar, a common vinegar available to consumers, popularly used in alternative medicine
  • δ-L-α-amino-adipate-L-cysteine-D-valine, the biological precursor of penicillin
  • ACV, an astronomical notation for an Alpha 2 Canum Venaticorum variable
  • Achumawi language, the native language spoken by the Pit River people of present-day California
  • Hovercraft, also known as "air cushion vehicle", a type of vehicle supported by high pressure air
  • Allegheny-Clarion Valley School District, a public school district in Clarion County, Pennsylvania, US
  • Arcata-Eureka Airport, McKinleyville, California, US, IATA code and FAA LID ACV