# Knockout (disambiguation)

A knockout, in several sports, is a strike that renders an opponent unable to continue fighting.
Knockout may also refer to:

## Sports and games

* Knock Out (Gottlieb pinball), a 1950 pinball machine
* Knock Out (kickboxing), a Japanese kickboxing promotion
* Knock Out (tabletop game), a tabletop game by the Milton Bradley Company
* Knockout (game), a basketball-related activity
* Knockout Cup (speedway), a British motorcycle speedway competition
* Knockout system, a tournament format divided into successive rounds
* Knockout tournament, a single-elimination tournament
* New England Knockouts, an American professional baseball team in Massachusetts
* Technical knockout (TKO), a knockout called by an official for safety reasons
* "TNA Knockout", a term used by Total Nonstop Action Wrestling to refer to its female talent

## Comics

* Knockout (UK comics), either of two British comic books
* Knockout (DC Comics), a comic book character
* Knock Out (Transformers: Prime), a fictional robot supervillain turned superhero
* Knockout, a Femme Fatales comics character

## Literature

* Knock-Out (novel), a Bulldog Drummond novel
* Knockout: Interviews with Doctors Who Are Curing Cancer – And How to Prevent Getting It in the First Place, a book by Suzanne Somers

## Music

* Knockout Entertainment, an American record label
* Knock Out (Bonfire album) (1991), album by the hard rock band Bonfire
* "Knockout" (Triple 8 song) (2003), a song by the British pop/rock group Triple 8
** "Twins (Knock Out)", a cover version by Super Junior
* "Knockout" (Lil Wayne song) (2010), song by Lil Wayne from his album Rebirth
* "K.O." (Pabllo Vittar song) (2017), song by Pabllo Vittar from her album Vai Passar Mal
* TKO (The Knock Out), 2018 album by Mya
* Knock Out!, a 1981 album by Toots and the Maytals
* "Knockout" (Bon Jovi song), song from 2016 album This House Is Not for Sale
* "Knock Out" (GD & TOP song), 2011 song by GD & TOP for their self-entitled album
* "Knockout" (2019), a song by Martin Tungevaag

## Film and television

* The Knockout, a 1914 Keystone Studios film with Fatty Arbuckle and Charlie Chaplin.
* The Knockout (1923 film), a 1923 British silent sports film directed by Alexander Butler
* The Knockout (1925 film), a silent drama directed by Lambert Hillyer
* Knockout (1935 film), a German sports film
* Knockout (1941 film), a 1941 American drama directed by William Clemens
* Knock Out (1943 film), a 1943 Italian crime film directed by Carmine Gallone
* Knockout (2000 film), an American film about a female boxer
* Knock Out (2010 film), an Indian Hindi-language action-thriller film
* Knockout (2011 film) or Born to Fight, a Canadian film
* Haywire (2011 film) or Knockout, a 2011 American film
* Knockout (game show), a 1977–78 NBC series hosted by Arte Johnson
* Knockout (Indonesian TV series), a game show
* The Knockout (Chinese TV series), a 2023 Chinese TV series directed by Xu Jizhou

## Information technology

* Knockout (web framework), a JavaScript library
* Image knockout, removing the background from an image

## Material removal

* Knock-outs, partially punched enclosure openings for optional removal
* Knockout punch, a metalworking tool
* Knock-out pot, a vapor–liquid separator

## Other uses

* Knockouts (salon), an American salon chain
* Knockout CP Freshmart (born 1990), Thai boxer and former Muay Thai fighter
* Knock-out option, a barrier option in financial markets
* Knockout game, a criminally violent activity
* Gene knockout, molecular biology technique
* Operation Knockout, a military campaign
* Reversing type, also known as knocking out, a method of typographic printing
* Touchless knockout, fraudulent practice and claims of knocking out an opponent without making physical contact