Black Box Music, a classical music record label

NeXT computers

Black Box, the common name in several countries for the Flight Data Recorder on aircraft

Black Box (game), a board and computer game

Black Box (band), a music group popular in the late 1980s and early 1990s

Black box, any component in a system in which only the input and output characteristics are of interest, without regard to its internal mechanism or structure

Black Box, linking people and performance

Black box warning, a U.S. warning on a prescription drug that means it carries a significant risk of fatal side effects

Black box testing, testing a system without knowledge of its internals

Black Box Recorder (band), English pop/indie music group, debut album in 1998

Black box theater, a simple, somewhat unadorned performance space, usually a large square room with black walls and a flat floor

Black box (phreaking), a device built by phone phreaks during the 1960s and 1970s to defeat toll charges

Black box (transportation), a commonly used informal term, a durable onboard data-recording device used in various forms of transport

Blackbox, a window manager that works on X Window System platforms

Black Box, the common name for the tree species Eucalyptus largiflorens

Black Box Corporation, a Pennsylvania-based supplier of computer network hardware and services and publisher of the "Black Box Catalog"; originally, it specialized in the manufacture of communications adapters that it described as "black boxes"

Black box theory, a philosophical theory

Black Box (song), a song by the group Panurge.

Black Box: The Complete Original Black Sabbath (1970-1978), collection of the albums by the original members of Black Sabbath

Black Box - Wax Trax! Records: The First 13 Years, a box set album compiling songs released on Wax Trax! Records between 1980 and 1993

Black Box (book), a book by Israeli writer Amos Oz

Black Box Games, a video game studio bought by Electronic Arts (currently a part of EA Canada)

Project Blackbox, a datacenter in a shipping container made by Sun Microsystems

Black Box (comics) a fictional character in the Marvel Comics Marvel Universe

In copyright law, a single-purpose device which decrypts satellite television signals without authorization, which removes Macrovision coding, or which otherwise serves to defeat a broadcaster's or copyright holder's policy is sometimes known as a black box; the purpose of the anti-circumvention provisions of the Digital Millennium Copyright Act was sometimes characterized as removing these black boxes from the market.