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