VCL may refer to:

Computing

  • Varnish Configuration Language, a domain-specific language used for configuring the Varnish Proxy / Server
  • Video Coding Layer, a layer in H.264/AVC and HEVC
  • Virus Creation Laboratory, an MS-DOS program designed to create computer viruses
  • Visual Component Library, a framework for building user interfaces in Delphi, C++Builder and Python
  • Visual Class Library, an internal part of OpenOffice.org and LibreOffice
  • Voluntary collective licensing, an alternative approach to solve the problem of software piracy

Other uses

  • Vinculin, a mammal protein
  • Vickers-Carden-Loyd tankette, a British tankette
  • Voluntary Committee of Lawyers, a former organization to repeal prohibition of alcohol in the US
  • Vampire Cheerleaders, a manga series
  • Chu Lai Airport (IATA code: VCL)