X (disambiguation)

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

Mathematics

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 ✕)

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 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