X (disambiguation)
Appearance
X is the 24th letter of the Latin alphabet.X may also refer to:
Art, entertainment, and media
Fictional entities
- X (Dark Horse Comics), a character and series
- X (Mega Man), the main protagonist of the Mega Man X video game series
- X (The X-Files), a television series character
- Radio X, the fictional radio station broadcasting the Grand Theft Auto: San Andreas soundtrack
- X, a symbol used on treasure maps in fiction to show the location of the hidden treasure
- X Parasite, a central subject of the 2002 game Metroid Fusion
Film
- X (1963 film), subtitled The Man with the X-Ray Eyes, an American science-fiction film
- X (1986 film), a Norwegian film directed by Oddvar Einarson
- X (1996 film), an anime film directed by Rintaro, based on the X manga by CLAMP
- X (2022 film), an American-Canadian horror film by Ti West
- X the Unknown, a 1956 British film
- X, alternate title for Malcolm X (1992 film), by Spike Lee
- X: Night of Vengeance, a 2011 film by Australian director Jon Hewitt
- X: Past Is Present, a 2015 Indian anthology film
- X rating, a designation for adult-only films
Television
- Kamen Rider X, a Japanese series in the Kamen Rider franchise
- Ultraman X, a 2015 Japanese tokusatsu television series
- The X (TV series), a Canadian children's program
- The X's, an American animated series
- WXSP-CD, a Grand Rapids, Michigan TV station branded as "The X"
- X (TV series), a Japanese anime series based on the X manga by CLAMP
- X, the production code for the 1966 Doctor Who serial The Ark
Video games
- X (1992 video game) a 3D game for the Nintendo Game Boy console
- X (game series), a science fiction space simulator series by Egosoft
- X (Xbox show), an annual trade show hosted by Microsoft
Literature
- X (Cage book), by avant garde composer John Cage
- X (magazine), a quarterly review of literature and the arts
- X (manga), a 1992 Japanese manga by CLAMP
- X (Grafton novel), 2015, by Sue Grafton
- X (young adult novel), 2015, by Ilyasah Shabazz and Kekla Magoon
- X: A Fabulous Child's Story, a 1972 short story and 1978 picture book by Lois Gould
- X: Or, Betty Shabazz v. The Nation, a 2017 play by Marcus Gardley
- 'X' Stands for Unknown, a 1984 collection of science essays by Isaac Asimov
Music
Performers
- X (American band), a punk band
- X (Australian band), a punk band
- X Japan, Japanese metal band, originally named X from 1982–1992
Albums
- X (Agnez Mo album), 2017
- X (Klaus Schulze album), 1978
- X (Gnags album), 1983
- X (INXS album), 1990
- X (K-Ci & JoJo album), 2000
- X (Def Leppard album), 2002
- X (Anna Vissi album), 2002
- X (Kristeen Young album), 2004
- X the album, a Christian compilation album series starting in 2004
- X (Liberty X album), 2005
- X (Intocable album), 2005
- X (Fourplay album), 2006
- X (Kylie Minogue album), 2007
- X (Trace Adkins album), 2008
- X (Spock's Beard album), 2010
- X (Royal Hunt album), 2010
- X (Roll Deep album), 2012
- X (The 69 Eyes album), 2012
- X (Chris Brown album), 2014
- X (Ed Sheeran album) (read as "Multiply"), 2014
- X (The Driver Era album), 2019
- X (Ken Carson album), 2022
- X (mixtape), by pH-1, 2020
- X, a Philippine hip-hop album by Ex Battalion
- X (Nonpoint album), 2018
- X: The Godless Void and Other Stories, 2020, by ...And You Will Know Us by the Trail of Dead
- Ten (Sault album), (also styled X) 2022
Operas
Songs
- "X" (21 Savage and Metro Boomin song)
- "X" (Chris Brown song)
- "X" (Jonas Brothers and Karol G song)
- "X" (Liberty X song)
- "X" (Nicky Jam and J Balvin song)
- "X" (Poppy song)
- "X" (Xzibit song)
- "X", a song from the album The Circle by B'z
- "X", a song from the album Neysluvara by Hatari
- "X", a song from the album Undeniable by Hellyeah
- "X", a song from the album Pain Is Love by Ja Rule featuring Missy Elliott and Tweet
- "X", a song from the album Future History by Jason Derulo
- "X", a song from the album Luv Is Rage 2 by Lil Uzi Vert
- "X", a song from the album The Magic Position by Patrick Wolf
- "X", a song from the album Angels & Demons by Peter Andre
- "X", a song from the album Black Panther by ScHoolboy Q, 2 Chainz, Saudi, and Kendrick Lamar
- "X", a song from the album Toxicity by System of a Down
- "X", a song from the album Blue Blood by X Japan
- "X", a song from the album In the Court of the Dragon by Trivium
Stations
- KHTI, formerly KCXX, known as "The 'X' at 103.9 FM", a Southern California rock n' roll radio station
- KWEE, formerly known as "The 'X' at 100.1 FM", a rock n' roll radio station in Reno, Nevada
- WNFZ, formerly known as "94.3 the X", a modern rock radio station in Knoxville, Tennessee
- WQXA-FM, also known as 105.7 "The 'X'", a modern rock radio station in Harrisburg, Pennsylvania
- WXDX-FM, also known as "The 'X' at 105.9", a modern rock radio station in Pittsburgh, Pennsylvania
- WXLV (FM), former call sign branded as "90.3 "The X"", a college radio station in Allentown, Pennsylvania
- WXNY-FM, known as "La X 96.3", a Spanish radio station in New York City
- WZDA, formerly known as "103.9 The 'X'", a modern rock radio station in Dayton, Ohio
Roller coasters
- X2 (roller coaster), at Six Flags Magic Mountain, formerly known as X
- X (roller coaster), in Thorpe Park, England
Businesses and organizations
Companies
- X Development, previously "Google X"
- X, the stock symbol for United States Steel Corporation
- X.com (bank), the predecessor to PayPal
- X Corp., the parent company of Twitter since 2023
- X (social network), rebranding of the social network Twitter, owned by the above
Schools
- The X, nickname for École Polytechnique, a French engineering school
Other organizations
- X (demo party), a Dutch demoscene party which started in 1995
- Organization X, a resistance organization active during the Axis occupation of Greece and the Greek Civil War
People
In arts and entertainment
- Director X (born 1975), Canadian music video director, also known as X and Little X
- Princess X (musician) , former stage name of musician Liza Fox (active 2010–present)
- XXXTentacion (1998–2018), American rapper commonly referred to as "X"
- DMX (rapper) (1970–2021), American rapper commonly referred to as "X"
- Shaun Ryder (born 1962), English musician also known as X
- Terminator X (born 1966), stage name for American DJ Norman Roberts, who worked with Public Enemy
- X, ring name of wrestler Carl Ouellet (born 1967)
Other people
- X González (born 1999), American gun control activist
- Clyde X (1931–2009), Nation of Islam official
- Khoisan X (1955–2010), political activist
- Laura X (born 1940), feminist historian
- Malcolm X (1925–1965), civil rights activist
- Michael X (1933–1975), activist and criminal
- Xiuhtezcatl Martinez (born 2000), climate activist, often known as "X"
- X, the girl in the X Case, a landmark court case about abortion in Ireland
- X, pseudonymous author of the 1947 Foreign Affairs "X Article", formally titled "The Sources of Soviet Conduct"
- X, surname often assumed by members of the Nation of Islam
Science, technology, and mathematics
Astronomy
- X, signifying a comet of unknown orbit
- Galaxy X (galaxy), a postulated dark galaxy
- Planet X, a hypothesised planet in the outer solar system
Biology
- × (or x), used in some types of hybrid names in botany
- X chromosome, a sex determinant in many animal species, including mammals
Chemistry
- X, the pseudoelement symbol for a halogen or halide in organic chemistry
Computing
- OS X (pronounced 'OS ten'), the former name of the macOS operating system for Apple computers
- X Window System, a client-server display protocol often used in UNIX environments
- X file format, used by DirectX
- X, the mnemonic for the execute instruction on the TI-990 and the TMS9900
Mathematics
- 10 (number) (Roman numeral: X)
- Typographical approximation of the Cross product or vector product (×)
- Typographical approximation of the Multiplication sign (× or ✕)
- x, an axis in the Cartesian coordinate system
- x, a common variable for unknown or changing concepts in mathematics
Physics
- X (charge), a conserved quantum number in particle physics
- X band, part of the microwave band of the electromagnetic spectrum
- X unit (X), in physics
Other uses
- Generation X, the Western sociological generation born after Boomers or Jonesers and before Millennials
- iPhone X, a smartphone by Apple Inc.
- HiPhi X, an electric crossover automobile produced from 2020
- Tesla Model X, an electric crossover by Tesla
- Zeekr X, a battery electric compact crossover SUV
- X (automobile), a French car produced in 1908 and 1909
- X (fragrance), a fragrance set by Irish pop vocal band Westlife
- X (gender identity), used on passports and identification documents to denote intersex or indeterminate gender
- X, a street name for the drug MDMA
- X, often used by straight edgers to show their commitment to their lifestyle
- The Xcel Energy Center ("The X"), an arena in Saint Paul, Minnesota, United States
- Nilgiri Mountain Railway X class
- A stand-in for the Greek letter chi
See also
- Χ, the Greek letter chi
- x, used in the International Phonetic Alphabet for the voiceless velar fricative
- ꭓ, used in the International Phonetic Alphabet for the voiceless uvular fricative
- Symbols:
- ╳, a box-drawing character
- Ⓧ, a Japanese typographic symbol used in resale price maintenance
- X, the symbol for a strike in bowling
- , the official West Japan Railway Company service symbol for the San'yō Main Line.
- ✗, a common written symbol of negation or affirmation
- X, a handwritten symbol for a kiss
- ✘, the legal signature of an illiterate person
- Words or prefixes often represented by "X":
- X2 (roller coaster)
- Citizen X (disambiguation)
- Doctor X (disambiguation)
- Double X (disambiguation)
- Ex (disambiguation)
- Galaxy X (disambiguation)
- Mark X (disambiguation)
- Miss X (disambiguation)
- Mister X (disambiguation)
- Model X (disambiguation)
- Professor X (disambiguation)
- Project X (disambiguation)
- Racer X (disambiguation)
- System X (disambiguation)
- Triple X (disambiguation)
- X force (disambiguation)
- X.com (disambiguation)
- XX (disambiguation)
- XXX (disambiguation)
- XXXX (disambiguation)