CAV

CAV and Cav may refer to:

; Science and technology

• Cardiac allograft vasculopathy, a complication of heart transplantation
• Cav., in botany, a designator for plants named by Antonio José Cavanilles
• Cazombo Airport (IATA code), in Cazombo, Angola
• Chicken anaemia virus, a virus that affects poultry
• Clarion Municipal Airport (FAA identifier), in Clarion, Iowa, United States
• Compressed-air vehicle, a vehicle powered by an air engine
• Computer Aided Verification, an annual academic computer science conference
• Connected and autonomous vehicle (disambiguation), or self-driving car
• Constant air volume, a type of heating, ventilating, and air-conditioning (HVAC) system
• Constant angular velocity, a qualifier for the rated speed of an optical disc drive
• Lucas CAV, former automotive electrical manufacturer based in Britain
• X-41 Common Aero Vehicle, a classified U.S. military space plane

; Arts, culture and entertainment

• Cavalleria rusticana, an opera often played as a double bill with Pagliacci, and then referred to as the Cav/Pag
• CAV Murcia 2005, or Club Atlético Voleibol, a Spanish volleyball club
• CAV Thakral Home Entertainment Co, Ltd., a Chinese DVD and CD distributor
• Colegio Alemán de Valencia, a German international school in Valencia, Spain
• Combat Assault Vehicle, a miniatures wargame
• Mark Cavendish, British cyclist

; Politics

• Cavaliere or Cav., an Italian order of knighthood
• Consumer Affairs Victoria, a government agency in Victoria, Australia
• County Cavan, a historic administrative division in Ireland
• Curia advisari vult or c.a.v., a Latin legal term meaning "the court wishes to be advised"