Wo may refer to:

  • Wo (kana), a Japanese kana
  • Wolof language ISO 639-1 code
  • Wa (Japan), an elder Chinese name for Japan
  • Wo, the name of China Unicom's 3g network
  • Wo Ding, traditionally believed to be a king of the Shang Dynasty
  • Wo Jia, a king of the Shang Dynasty
  • Wo Weihan (1949-2008), a Chinese scientist and entrepreneur executed for allegedly spying for Taiwan
  • Wo Fat, a fictional nemesis of Steve McGarrett on the television show Hawaii 5-0
  • Zhang Wo, a Chinese painter of the Yuan Dynasty

WO also refer to:

  • W. O. Bentley, British car designer

WO may be an acronym for:

  • Walk over, a term in sports and elections
  • Warrant Officer
  • WebObjects, a web application platform
  • Wine of Origin, a designated area for the production of South African wine
  • World Airways IATA code
  • Wrestling Observer, a professional wrestling newsletter by Dave Meltzer
  • Warhammer Online, a MMORPG
  • Write-off, a term often used to describe that a vehicle is damaged beyond economic repair
  • Web Operation, a front-end web design department of VNG corp.