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) Ko Kapches (born c. 1986), better known by the stage name KO ( ), is a Canadian musician whose music is a mix of folk, hip hop, reggae, rock and R&B

, 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 Karen Lee Orzolek (born November 22, 1978) is a South Korean-born American singer, musician, and songwriter. She is the lead vocalist for the indie rock band Yeah Yeah Yeahs. Early life She was born in Seoul, South Korea, the daughter of a Ko ...

(born 1978), lead singer of the rock group Yeah Yeah Yeahs *

Kevin Olusola Kevin Oluwole Olusola, also known as K.O., (born October 5, 1988) is an American singer-songwriter, beatboxer, and cellist. Olusola is best known as the beatboxer of the a cappella group Pentatonix. After the group won NBC's ''The Sing-Off'' in ...

, American cellist, beatboxer and member of ''a cappella'' group Pentatonix * ''K.O.'', a 2008 album by

Rize Rize (Greek language, Greek: ρίζα, Laz language, Laz: რიზინი, Georgian language, Georgian: რიზე, , Ottoman Turkish: ريزه) is the capital city of Rize Province in the eastern part of the Black Sea Region of Turkey. Rize ...

* "K.O.", a 2004 song by

Smujji Smujji is a British reggae/dancehall singer. He appeared on FYA's 2004 single "Must Be Love" which was a No. 13 hit on the UK Singles Chart. His own single, "K.O.", reached No. 43 in the UK. Together with FYA, he appeared as part of ''Bliss'' ...

Other media

Ko (Go) A ''ko'' (Japanese: コウ, 劫, ''kō'', from the translation of the Sanskrit term kalpa) fight is a tactical and strategic phase that can arise in the game of go. ''Ko'' threats and ''ko'' fights The existence of ''ko'' fights is implied by th ...

, in the board game ''Go'' * ''Ko'' (film), a 2011 Tamil action movie * ''

Knight Online Knight Online is an MMORPG developed by . Knight Online is officially free-to-play (although to connect to the most of the servers during prime time, paid premium is required), but there are some features that must be paid for. In addition, th ...

'', a 2004 online role-playing game

Language

* Ko language *

Ko (kana) こ, in hiragana or コ in katakana, is one of the Japanese kana, each of which represents one mora. Both represent . The shape of these kana comes from the kanji 己. This character may be supplemented by a dakuten; it becomes ご in hiragana, ...

, the romanization of the Japanese kana こ and コ * ISO 639-1 code for the

Korean language Korean ( South Korean: , ''hangugeo''; North Korean: , ''chosŏnmal'') is the native language for about 80 million people, mostly of Korean descent. It is the official and national language of both North Korea and South Korea (geographic ...

Surname

Ko (Korean surname) Ko (Hanja: 髙, 高), also variously romanized Go, Goh, or Koh, is a common Korean family name. As of the 2000 South Korean census, there were 435,000 Kos in South Korea, accounting for just under 1% of the population. Liaoyang (Hanja: 遼陽) b ...

Gao (surname) Gao () is an East Asian surname of Chinese origin that can be literally translated as "high" or "tall". There are approximately 16 million living people with this surname. Some places, such as Taiwan, usually romanise this family name into "Kao". I ...

, a surname of Chinese origin romanized to Ko in Hong Kong *

Ke (surname) Ke () is a Chinese surname. It originally appeared on the Hundred Family Surnames. As of 2006 was no longer one of the top 100 most common surnames. A 2013 study found that it was the 145th most common surname, shared by 1.06 million people or 0.080 ...

, a Chinese surname romanized as "Ko" in the Wade–Giles system *

Xu (surname) Xu can refer to the following Chinese surnames that are homographs when Romanized using their Mandarin pronunciations: * Xu (surname 徐) * Xu (surname 許) * Xu (surname 須) The tones of these surnames are different in Mandarin, but if the tone ...

, a surname of Chinese Xu and customarily spelled as Ko *

Cody Ko Cody Michael Kolodziejzyk ( , Polish: ; born November 22, 1990), better known online as Cody Ko, is a Canadian YouTuber, comedian, podcaster and rapper. Kolodziejzyk first became popular on Vine in 2014, before becoming a commentary YouTuber on i ...

, 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) Ko Kapches (born c. 1986), better known by the stage name KO ( ), is a Canadian musician whose music is a mix of folk, hip hop, reggae, rock and R&B

, Canadian musician who plays a fusion of hip hop and folk music * *

Ko Simpson Yukota "Ko" Simpson (born November 9, 1983) is a former American football safety. He was drafted by the Buffalo Bills in the fourth round of the 2006 NFL Draft. He played college football at South Carolina. He has also played for the Detroit ...

(born 1983), professional American football player for the Buffalo Bills *

Kevin Owens Kevin Steen (born May 7, 1984) is a Canadian professional wrestler. He is currently signed to WWE, where he performs on the Raw brand under the ring name Kevin Owens. Steen began his career in 2000, at the age of 16. Prior to joining WWE in l ...

, professional wrestler

Places

Ko Mountain Ko (russian: Ко) is a peak in the southern part of Khabarovsk Krai near the border of Primorsky Krai. It sits at 2,003 m above sea level. It is the second highest point of the Sikhote-Alin Mountains The Sikhote-Alin (russian: Сихотэ́- ...

, the second-highest peak in the Sikhote-Alin Mountains of Russia *

Ko. Madhepura Ko. Madhepura is a Village development committee (Nepal), village development committee in Saptari District in the Sagarmatha Zone of south-eastern Nepal. At the time of the 2011 Nepal census it had a population of 4,608. References

, Nepal, a village development committee *

Ko, Lamphun Ko, Lamphun ( th, ก้อ, ) is a village and ''tambon'' (subdistrict) of Li District, in Lamphun Province, Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, l ...

, 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 The dagger-axe () is a type of pole weapon that was in use from the Erlitou culture until the Han dynasty in China. It consists of a dagger-shaped blade, mounted by its tang to a perpendicular wooden shaft. The earliest dagger-axe blades were ...

in English * Kō, a version of the

foot plough The foot plough is a type of plough used like a spade with the foot in order to cultivate the ground. New Zealand Before the widespread use of metal farm tools from Europe, the Māori people used the , a version of the foot plough made entirely o ...

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 Knowledge organization (KO), organization of knowledge, organization of information, or information organization is an intellectual discipline concerned with activities such as document description, indexing, and classification that serve to ...

, branch of information science ** ''Knowledge Organization'', an academic journal published by the

International Society for Knowledge Organization The International Society for Knowledge Organization, or ISKO, is a professional association for scholars of knowledge organization, knowledge structures, classification studies, and information organization and structure. Publications The Soc ...

* kilo

octet (computing) The octet is a unit of digital information in computing and telecommunications that consists of eight bits. The term is often used when the term byte might be ambiguous, as the byte has historically been used for storage units of a variety of s ...

, 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) is a junction railway station in the city of Toyokawa, Aichi, Japan, operated by Meitetsu. Lines Kō Station is a station on the Meitetsu Nagoya Line and is 9.6 kilometers from the terminus of the line at . It is also a terminal station for th ...

on the Meitetsu Nagoya Main Line in Japan *

Kō Station (Tokushima) is a passenger railway station located in the city of Tokushima, Tokushima Prefecture, Japan. It is operated by JR Shikoku and has the station number "B04". Lines Kō Station is served by the Tokushima Line and is 62.3 km from the beginni ...

on the Tokushima Line in Japan *

Alaska Central Express Alaska Central Express is an airline based at Ted Stevens Anchorage International Airport in Anchorage, Alaska, United States. It is a cargo and small package express service. History The airline was established as Yutana Airlines in 1987 and ...

, IATA airline designator

Other uses

The Coca-Cola Company The Coca-Cola Company is an American multinational beverage corporation founded in 1892, best known as the producer of Coca-Cola. The Coca-Cola Company also manufactures, sells, and markets other non-alcoholic beverage concentrates and syrups, ...

, stock ticker symbol and corporate internet domain ko.com *

Civic Coalition (Poland) The Civic Coalition ( pl, Koalicja Obywatelska, KO)) is a catch-all political alliance in Poland. The alliance was formed around Civic Platform in opposition to the ruling Law and Justice (PiS) party. The coalition's name uses a play on words ...

, 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 Kemetic Orthodoxy is a new religious movement based on Kemeticism, which is a reconstruction of ancient Egyptian religion. It was founded in 1988 by Tamara Siuda, who remains its current Nisut or Pharaoh. Despite its name, Siuda considers Kemeti ...

, a religion *

Contracting Officer A Contracting Officer ( KO or CO ) is a person who can bind the Federal Government of the United States to a contract which is greater in value than the federal micro-purchase threshold ($10,000). This is limited to the scope of authority delegated ...

, US government acronym KO or CO * K.O., protagonist in '' OK K.O.! Let's Be Heroes'' * 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) A kick-off is the method of starting and, in some cases, restarting play in a game of association football. The rules concerning the kick-off are part of Law 8 of the Laws of the Game. Award A kick-off is used to start each half of play, and e ...

, the time or manner of start of play * Kō, Japanese for incense; see

Japanese incense The burning of incense in Japan began during the 6th century (the Asuka period) with the introduction of Buddhism, which uses incense during rituals and ceremonies. Agarwood was imported into Japan from China via Korea. From that point on, incen ...

Kōdō is the art of appreciating Japanese incense, and involves using incense within a structure of codified conduct. ''Kōdō'' includes all aspects of the incense process, from the , to activities such as the incense-comparing games ''kumikō'' () a ...

, the art of appreciating Japanese incense