A KO is a

knockout A knockout (abbreviated to KO or K.O.) is a fight-ending, winning criterion in several full-contact combat sports, such as boxing, kickboxing, muay thai, mixed martial arts, karate, some forms of taekwondo and other sports involving striking, a ...

in various sports, such as boxing and martial arts. K.O., Ko or Kō may also refer to:

Arts and entertainment

Music

* KO (musician), Canadian musician who plays a fusion of hip hop and folk music * ''K.O.'' (album), a 2021 album by Danna Paola *

K.O (rapper) Ntokozo Mdluli (born 13 October 1980), known professionally as K.O, is a South African rapper. He began his career as a member of Teargas, a hip hop group which released its debut album titled ''K'shubile K'bovu'' (2006), followed by ''Wafa Wa ...

, South African rapper Ntokozo Mdluli * Karen O (born 1978), lead singer of the rock group Yeah Yeah Yeahs * Kevin Olusola, American cellist, beatboxer and member of ''a cappella'' group Pentatonix * ''K.O.'', a 2008 album by Rize * "K.O.", a 2004 song by Smujji

Other media

* Ko (Go), in the board game ''Go'' * ''Ko'' (film), a 2011 Tamil action movie * '' Knight Online'', a 2004 online role-playing game

Language

Ko language The Fungor language, Ko (Kau) or Nyaro, is a Niger–Congo language of the Heiban family spoken in Kordofan Kordofan ( ar, كردفان ') is a former province of central Sudan. In 1994 it was divided into three new federal states: North ...

* Ko (kana), the romanization of the Japanese kana こ and コ * ISO 639-1 code for the Korean language

Surname

* Ko (Korean surname) * Gao (surname), a surname of Chinese origin romanized to Ko in Hong Kong * Ke (surname), a Chinese surname romanized as "Ko" in the Wade–Giles system * Xu (surname), a surname of Chinese Xu and customarily spelled as Ko * Cody Ko, shortened stage name of Canadian comedian and internet celebrity Cody Michael Kolodziejzyk (born 1990)

People

* K.O (rapper) South African musician and businessman * KO (musician), Canadian musician who plays a fusion of hip hop and folk music * * Ko Simpson (born 1983), professional American football player for the Buffalo Bills * Kevin Owens, professional wrestler

Places

* Ko Mountain, the second-highest peak in the Sikhote-Alin Mountains of Russia * Ko. Madhepura, Nepal, a village development committee * Ko, Lamphun, Thailand, a village and subdistrict * Kö, an urban boulevard in Düsseldorf, Germany

Science and technology

* Ko, an ancient Chinese weapon also known as a dagger-axe in English * Kō, a version of the foot plough used by the Māori people *

Gene knockout A gene knockout (abbreviation: KO) is a genetic technique in which one of an organism's genes is made inoperative ("knocked out" of the organism). However, KO can also refer to the gene that is knocked out or the organism that carries the gene kno ...

, a molecular biology genetic technique, abbreviated KO * Knowledge organization, branch of information science ** ''Knowledge Organization'', an academic journal published by the International Society for Knowledge Organization * kilo octet (computing), a unit of information or computer storage *

Loadable kernel module In computing, a loadable kernel module (LKM) is an object file that contains code to extend the running kernel, or so-called ''base kernel'', of an operating system. LKMs are typically used to add support for new hardware (as device drivers) and/ ...

(file extension .ko)

Transportation

* Kō Station (Aichi) on the Meitetsu Nagoya Main Line in Japan * Kō Station (Tokushima) on the Tokushima Line in Japan * Alaska Central Express, IATA airline designator

Other uses

* The Coca-Cola Company, stock ticker symbol and corporate internet domain ko.com * Civic Coalition (Poland), or Koalicja Obywatelska (KO), a Polish electoral alliance * Knock-off, a

counterfeit To counterfeit means to imitate something authentic, with the intent to steal, destroy, or replace the original, for use in illegal transactions, or otherwise to deceive individuals into believing that the fake is of equal or greater value tha ...

product * Kemetic Orthodoxy, a religion * Contracting Officer, US government acronym KO or CO * K.O., protagonist in ''

OK K.O.! Let's Be Heroes ''OK K.O.! Let's Be Heroes'' is an American animated television series created by Ian Jones-Quartey for Cartoon Network. The show is based on Jones-Quartey's pilot ''Lakewood Plaza Turbo'', which was released as part of Cartoon Network's 2013 Su ...

'' * Ko Ukumori, a character in the air combat game '' The Sky Crawlers: Innocent Aces'' * Dukkha, the concept of unsatisfactoriness in Buddhism * Kick-off (association football), the time or manner of start of play * Kō, Japanese for incense; see Japanese incense ** Kōdō, the art of appreciating Japanese incense