WO

WO or Wo may refer to:

Airlines

 * World Airways (former IATA code: WO), a 1948–2014 US airline
 * Swoop (airline) (former IATA code: WO), a former Canadian ultra low-cost airline

Language

 * Wo (kana), a Japanese kana
 * Wolof language (ISO 639-1 code "wo")

Sport

 * Walk-off (disambiguation)
 * Walkover, awarded if there are no opposing players available

People

 * Zhang Wo, Chinese painter of the Yuan Dynasty
 * Wo Weihan (1949–2008), an executed Chinese scientist and entrepreneur
 * W. O. Bentley (1888–1971), British car designer
 * Wo Ding, traditionally believed to be a king of the Shang Dynasty
 * Wo Jia, a king of the Shang Dynasty

Other uses

 * Warrant officer, a military rank
 * Wine of Origin, a designated area for South African wine production
 * Wo' or Uo, a month of the Haab' in the Mayan calendar
 * Wo, a chimpanzee deity of the Yaoundé people of the Cameroons; son of Zamba
 * Wo Fat (disambiguation), several fictional characters