Look up X or x in Wiktionary, the free dictionary.

X is the 24th letter of the English 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
• 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

Bands

• 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

• X, The Life and Times of Malcolm X, 1986

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
• KXZZ (FM), 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

Companies

• X Development, Google's in-house incubator established in 2010
• X Corp., the parent company of X, formerly Twitter since 2023
  • X (social network), rebranding of the social network Twitter, owned by the above
• X.com (bank), the predecessor to PayPal
• X, the stock symbol for United States Steel Corporation

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
• The X, nickname for École Polytechnique, a French engineering school

Language script and phonetic

• Typographical approximation of the Greek letter chi (Χ)
• Kha (Cyrillic), a letter of the Cyrillic script
• x, used in the International Phonetic Alphabet for the voiceless velar fricative
• ꭓ, used in the International Phonetic Alphabet for the voiceless uvular fricative

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

Mathematicsedit

• X, Roman numeral for 10 (number)
• x, an axis in the Cartesian coordinate system
• x, a common variable for unknown or changing concepts in mathematics
• Typographical approximation for:
  • Cross product (×)
  • Multiplication sign (× or ✕)

Physicsedit

• 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 usesedit

• 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 mark, a common written symbol of negation or affirmation
• X, the symbol for a strike in bowling
• X, a handwritten symbol for a kiss
• X, a street name for the drug MDMA
• X, often used by straight edgers to show their commitment to their lifestyle
• ╳, a box-drawing character
• Ⓧ, a Japanese typographic symbol used in resale price maintenance
• X, the legal signature of an illiterate person
• The Xcel Energy Center ("The X"), an arena in Saint Paul, Minnesota, United States
• Nilgiri Mountain Railway X class
• , the official West Japan Railway Company service symbol for the San'yō Main Line

See alsoedit

• Xs (disambiguation)
• X's (disambiguation)
• X force (disambiguation)
• X.com (disambiguation)
• XX (disambiguation)
• XXX (disambiguation)
• XXXX (disambiguation)

This disambiguation page lists articles associated with the title X.
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