Matrix (mathematics), a rectangular array of numbers, symbols or expressionsMatrix (biology), the material or tissue between cells in which more specialized structures are embeddedMatrix (chemical analysis), the non-analyte components of a sampleMatrix (geology), the fine-grained material in which larger objects are embeddedHarris matrix, an archeological toolMetal matrix, material used in a metal matrix compositeMatrix isolation, an experimental technique in chemistry and physics
Film and television
The Matrix (franchise), a science fiction franchise
The Matrix, the first film in the franchiseThe Matrix: Music from the Motion Picture, a soundtrack albumMatrix (TV series)Matrix (Doctor Who), a computer systemMatrix, a ReBoot characterJohn Matrix, a Commando character
Music and audio
Matrix (music), an unchanging element of variationsMatrix (artist), a British DJMatrix (jazz group)The Matrix (production team)M@rix, an album by P.A.L.Clave matrixKeyboard matrix circuitMatrix decoder, a technology for converting audio channelsMatrix (or matrix master), a master disc used in the production of gramophone records"Matrix", a song by Chick Corea on the album Now He Sings, Now He Sobs
Comics and literature
Matrix (comics), a DC Comics characterMatrix (Doctor Who novel), by Robert Perry and Mike TuckerMatrix of Leadership, a Transformers plot elementMatrix, a Neuromancer plot element
Business and law
MATRIX: Northern Ireland Science Industry PanelMatrix Business Technologies, a telecommunications firmMatrix Chambers, a barristers' setMatrix Games, an American video game publisher founded 1999Matrix management, an organizational management styleMatrix Partners, a private equity investment firmMatrix Software, a Japanese video game developer founded 1994Growth-share matrix, a business analysis technique
Transportation
Hyundai Matrix, a multi-purpose vehicle sold in Europe and Southeast AsiaToyota Matrix, a compact hatchback sold in North AmericaMatrix sign, an electronic traffic sign
Other uses
Matrix (numismatics), a tool in coin manufacturingMatrix (printing), a mold for casting lettersMatrix (club), a Berlin nightclub opened in 1996The Matrix (club), a 1965-1972 San Francisco nightclubMultistate Anti-Terrorism Information Exchange (MATRIX), a database of U.S. citizensShawn Marion (born 1978), aka The Matrix, American basketball playerMarco Materazzi (born 1973), aka The Matrix, Italian footballer