Black box (disambiguation)
A black box is a device, object, or system whose inner workings are unknown; only the "stimuli inputs" and "output reactions" are known characteristics.
Black box may also refer to:

Science and technology
Black box (phreaking), a device to defeat telephone toll charges
Eucalyptus largiflorens, a tree species with the common name black box

Transportation
Accident data recorder, an optional vehicle installable device to record information related to (near) traffic accidents
Event data recorder, a device installed in some automobiles to record information related to vehicle crashes or accidents
Flight recorder, an aircraft-borne device used in disaster investigation, consisting of a flight data recorder and cockpit voice recorder
Flight operations quality assurance
Quick access recorder
Train event recorder, a device that records data about the operation of train controls and performance
Voyage data recorder, a device designed to collect data from various sensors on board a ship

Computing
Black box theory, a systems engineering theory for black boxes
Black-box testing, a form of software testing that involves adjusting inputs to an application without reference to the source code of the application
Blackbox, a window manager that works on X Window System platforms
BlackBox Component Builder, software development environment for Component Pascal
Sun Modular Datacenter, prototype name Project Blackbox

Medicine
Any of a number of devices developed and sold by Albert Abrams, based on the pseudo-science of radionics
Black box warning, a type of warning that may be applied to medicines in the United States

Film and television
Black Box (1978 film), an American short film by Scott B and Beth B
Black Box (2002 film), an Argentine drama film (Caja Negra)
Black Box (2013 film), an American drama film
Black Box (2020 film), an American science-fiction horror film
Black Box (2021 film), a Franco-Belgian mystery thriller film
Black Box (TV series), a 2014 ABC television series
Black Box (The Outer Limits), an episode from the 1995 revival of that TV series
Survival in the Sky, a TV series on the investigations of aviation accidents known as Black Box in the UK
The Black Box (2005 film), a French mystery film
The Black Box (serial), a 1915 film serial
Black Box (video magazine), a Hungarian documentary video magazine and filmmaking group

Games
Black Box (game), board and computer game
Blackbox (video game), an iOS puzzle game
EA Black Box, the video game studio formerly known as Black Box Games
The Black Box, a canceled video game; See The Orange Box

Literature
Black Box (short story), a short story by Jennifer Egan
Black Box (novel), by Israeli writer Amos Oz
Black Box (comics) a fictional character in the Marvel Comics Marvel Universe
Black Box, a novel by Mario Giordano
Black Box, a memoir by Shiori Itō
Blackbox (novel) by Nick Walker
The Black Box (novel) by Michael Connelly
La boîte noire ("The Black Box"), a Spirou et Fantasio comic album

Music
Black Box (band), Italian electro-dance music group
"Black Box" (song), debut single of Australian Idol winner Stan Walker
A Black Box, an album by Peter Hammill
Black Box – Wax Trax! Records: The First 13 Years, a Wax Tax Box set album
Black Box (Brown Eyed Girls album), album by South Korean group Brown Eyed Girls
Black Box (Naked City album), compilation album by Naked City
Black Box: The Complete Original Black Sabbath 1970–1978, a Black Sabbath album
The Black Box (album), a box set album by Danish rock band Gasolin'

Other uses
Black box (fiction), a fiction trope
Black box theater, simple unadorned performance space
Nuclear football, the briefcase that accompanies the President of the United States and contains nuclear missile launch codes, nicknamed "Black Box"
Censor bars
Black box trading or algorithmic trading
Black Box Corporation, a supplier of computer network hardware based in Pennsylvania, US
Black box approach to the function of states in international relations in theories such as realism and neorealism
BlackBox (radio station), a radio station in Bordeaux, France

See also
Blackboxing, a social process in science studies
Black box warning, U.S. warning on a prescription drug
Black Box Affair, a 1966 Eurospy film
Box (disambiguation)
Black body