CAV

• Boeing Cargo Air Vehicle, a cargo aircraft • 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" ==Military==