Ko

Ko may refer to:
* Ko (kana), the Romanisation of the Japanese kana こ and コ
* Ko rule, in the board game Go
* Ko Mountain, the second highest peak in Sikhote-Alin
* "Ko" or dagger-axe, an ancient Chinese weapon
* Ko, the Japanese sound in a name meaning child
* Ko Simpson, a professional American football player for the Buffalo Bills
* Claudine Ko, reporter for Jane Magazine

KO may also be:
* the IATA airline designator for Alaska Central Express
* the stock ticker symbol for Coke, The Coca-Cola Company
* the ISO 639 alpha-2 code for the Korean language
* the Kemetic Orthodoxy religion

KO may be an abbreviation for:
* Knockout, in martial arts and boxing
* Strikeout, in baseball, traditionally abbreviated "KO" or "K"
* "Knight Online", an online role-playing game
* "Knock-Off", used in discussions about counterfeit toys
* Keith Olbermann, American broadcaster and the host of MSNBC's "Countdown with Keith Olbermann"

Ko may refer to the following fictional characters:
* Kou Uraki of "Gundam 0083"
* Koh of "Sorcerer Hunters"
* A Crow, a minor character in The Second Jungle Book.

ko may refer to:
* Kilooctet, a unit of information or computer storage
* Loadable kernel module file extension.

ee also

* Kayo