title: VCO
text: # VCO
  
  VCO may refer to:
  
  ## Military
  
  * Veterinary Corps Officer, see Veterinary corps (disambiguation)
  * Viceroy's commissioned officer, British Indian Army role (1885–1947)
  
  ## Technology
  
  * Voltage-controlled oscillator, an electronic device
  * Voice Carry Over, a telecommunications relay service
  * Akatsuki (spacecraft), or the Venus Climate Orbiter
  * Virtual Central Office, in Open Platform for NFV network-function virtualization software
  
  ## Other uses
  
  * Voyage Century Online, a nautically themed, free-to-play, massively multiplayer online role-playing game
  * Vice Commodore, an elected yacht club committee member
  * VCO SA, the joint-stock company, and a distributor of Volcano clothing brand
  