The term CAV or Cav may refer to the following:

  • Cav., an abbreviation for Cavaliere, an Italian order of knighthood
  • Cav., a botanical designation for plants named by Spanish taxonomic botanist Antonio Jose Cavanilles
  • Curia advisari vult (literally the court wishes to be advised), a Latin legal term reserving judgment until a subsequent day
  • X-41 Common Aero Vehicle, a classified experimental vehicle by the US military
  • Constant air velocity, a type of HVAC (heating, ventilating, and air conditioning) system wherein the flow rate of air is constant, but the temperature is varied
  • Compressed air vehicle, a type of vehicle powered by an engine that uses compressed air stored in a tank