Knockout (disambiguation)

Knockout may refer to:

* Gene knockout, a form of genetically engineered organism
* A partially punched opening meant for optional later removal, particularly in electrical enclosures.
* Used in warfare to refer to any vehicle that is rendered non-functional but not completely destroyed by enemy fire.

In sports and games:

* Knockout, or "K.O.", when one participant is unable to rise from the canvas in a full-contact combat sport, such as boxing
* Single-elimination tournament, also called "knockout" or "sudden death", where the loser of each match is immediately eliminated
* Knockout, an activity that involves a basketball
* Knockout, a short-lived game show hosted by Arte Johnson
* Knockout whist
* Knockouts, a game similar to football but with only one goal, also known as "finals"

In comics and anime:

* Knockout, either of two British comic books
* Knockout, a former Female Fury from Apokolips in DC Comics books
* Knockout, the Philippine title of Fighting Spirit (Hajime no Ippo in Japan) anime

In literature:
* Knockout, a literary magazine based out of Minneapolis, Minnesota.

In music:
* Knockout, a band from Lake Forest, IL
* Knockout Entertainment, an American Label
* TWINS (Knock Out), a song by Korean band Super Junior
* Knock Out (Bonfire album), an album by the German band Bonfire released in 1991

In photography:
* Background knockout is the process by which the background of a photograph is removed

In slang:
* As in "knockout pill", or sleeping pill, a drug used to quickly fall into deep sleep
* Extreme feminine beauty that causes the viewer to be temporarily stunned, as when Chris Matthews of MSNBC told CNBC's Erin Burnett: "You're beautiful" and "you're a knockout," before closing the interview by saying, "It's all right getting bad news from you."
* To be knocked out, or to have a KO, is British slang for alcohol-induced unconsciousness.

In industry:
* A "knock-out pot" or "knock-out drum" refers to a vapor-liquid separator.

ee also

*Punch-Out!!, 1984 boxing game by Nintendo