X3 may refer to:

Arts, entertainment, and media

Films

* '' X-Men: The Last Stand'', also known as ''X3'' and ''X-Men 3'', the third film in the comic book film series * '' XXX: Return of Xander Cage'', a 2017 American film directed by D. J. Caruso

Literature and publications

* ''X3'', a collection of three science fiction novellas by

Gary A. Braunbeck Gary A. Braunbeck (born 1 July 1960) is an American science fiction, fantasy, mystery and horror author. Biography Braunbeck was born in Newark, Ohio (the city that serves as the model for the fictitious Cedar Hill in many of his stories). He w ...

Music

* X3 (group), a short-lived Australian girl group, circa 2000 * ''X3'' (album), a 2004 solo album by Japanese pop singer Aya Matsuura

Video games

* '' X-Men: The Official Game'', a 2006 videogame prequel to ''X-Men: The Last Stand'' * '' X³: Reunion'', a space simulation computer game ** '' X³: Terran Conflict'', a sequel to ''X³: Reunion'' *** '' X³: Albion Prelude'', an addon to ''X³: Terran Conflict'' * '' Dance Dance Revolution X3'', a 2011 music video game by Konami * ''

Mega Man X3 ''Mega Man X3'' (stylized as ''MEGA MAN X³''), known as in Japan, is a video game released by Capcom for the Super Nintendo Entertainment System (SNES). The game was originally released in Japan on December 1, 1995, and later in North American ...

'', a 1995 platforming game in Capcom's ''Mega Man X'' series

Electronics

Instruments

* Korg X3, a synthesizer

Phones

* Kyocera X3, an Android One smartphone by Kyocera * Mobile phone models by Nokia **

Nokia X3-00 Nokia X3-00 (also known as ''Nokia X3''), is a multimedia-oriented mobile phone produced by Nokia. It comes with stereo-wide speakers, built-in FM radio with RDS, a standard 3.5 mm audio jack, media player and 3.2 megapixel camera. The phon ...

or Nokia X3 **

Nokia X3 Touch and Type The Nokia X3 Touch and Type also known as Nokia X3-02 is a mobile telephone handset produced by Nokia. This is the first mobile handset released by Nokia that possesses a touchscreen in a "candybar" phone form factor. It is also the first touchsc ...

or Nokia X3-02

Sensors

* Foveon X3 sensor, a layered image sensor design

Mathematics, science, and technology

Astronomy

* Cygnus X-3, a binary x-ray source in the sky

Computer science

* X3, one former name of a subcommittee of ANSI, now

International Committee for Information Technology Standards The InterNational Committee for Information Technology Standards (INCITS), (pronounced "insights"), is an ANSI-accredited standards development organization composed of Information technology developers. It was formerly known as the X3 and NCITS. ...

(INCITS) *

X3 (code) Excess-3, 3-excess or 10-excess-3 binary code (often abbreviated as XS-3, 3XS or X3), shifted binary or Stibitz code (after George Stibitz, who built a relay-based adding machine in 1937) is a self-complementary binary-coded decimal (BCD) code ...

aka Excess-3, a binary code also termed Stibitz code * XKO X3, an ERP software

Mathematics

* X³, the mathematical cubic function

Transportation

Aircraft

Douglas X-3 Stiletto The Douglas X-3 Stiletto was a 1950s United States experimental jet aircraft with a slender fuselage and a long tapered nose, manufactured by the Douglas Aircraft Company. Its primary mission was to investigate the design features of an aircraf ...

, an experimental jet aircraft *

Eurocopter X3 Airbus Helicopters SAS (formerly Eurocopter Group) is the helicopter manufacturing division of Airbus. It is the largest in the industry in terms of revenues and turbine helicopter deliveries. Its head office is located at Marseille Provence Ai ...

, an experimental compound helicopter under development by Eurocopter

Automobiles

Beijing X3 The Beijing X3 or previously the Senova X35 is a subcompact crossover positioned above the smaller Senova X25 Subcompact crossover produced by BAIC Motor under the Senova sub-brand and later the Beijing sub-brand. First generation (2016-2018) ...

, a Chinese subcompact crossover SUV * BMW X3, a German compact SUV * Cowin X3, a Chinese compact SUV *

Geely Vision X3 The Geely Yuanjing X3 is a subcompact CUV produced by Chinese manufacturer Geely. An electric variant featuring a special color and trim redesign was rebadged as the Geometry EX3 or Kungfu Cow under the Geometry brand from 2021. Overview The Ge ...

, a Chinese subcompact crossover *

Jingyi X3 The Dongfeng Fengxing Jingyi X3 is a subcompact CUV produced by Dongfeng Liuzhou Motor under the Jingyi product series of the Dongfeng Fengxing sub-brand. Overview The Fengxing Jingyi X3 is positioned under the first generation Dongfeng Fengxin ...

, a Chinese subcompact crossover

Bus routes

X3 (New York City bus) The Metropolitan Transportation Authority (MTA) operates 80 express bus routes in New York City, United States. Generally, express routes operated by MTA Bus Company are assigned multi-borough (BM, BxM, QM, SIM) prefixes. Exceptions to this rule ...

* X3, a Metrobus route in Washington, D.C. U.S.

IATA codes

TUI fly Deutschland TUI fly Deutschland, formerly ''TUIfly'', is a German leisure airline owned by the travel and tourism company TUI Group. It is headquartered at Hannover Airport with bases at several other German airports. TUI fly Deutschland is part of TUI Gro ...

(IATA airline designator X3 since 2007) * Hapag-Lloyd Express (IATA airline designator X3, 2002-2007)

Motorcycles

* Ilmor X3 (also termed the X³), a MotoGP race motorbike

Spacecraft

* X-3, the

Prospero (satellite) The ''Prospero'' satellite, also known as the X-3, was launched by the United Kingdom in 1971. It was designed to undertake a series of experiments to study the effects of the space environment on communications satellites and remained operat ...

launched by the UK in 1971

Trains

X3 (train) The X3 is an electric multiple unit train used by Arlanda Express on the airport rail link service between Stockholm Central Station and Stockholm Arlanda Airport in Sweden. Alstom built seven of these four-train car units at its Washwood Heath ...

, a Swedish train built by

Alstom Alstom SA is a French multinational rolling stock manufacturer operating worldwide in rail transport markets, active in the fields of passenger transportation, signalling, and locomotives, with products including the AGV, TGV, Eurostar, Avelia ...

Watercraft

* HMS ''X3'', an

X-class submarine The X class was a World War II midget submarine class built for the Royal Navy during 1943–44. It was substantially larger than the original Chariot manned torpedo. Known individually as X-Craft, the vessels were designed to be towed to thei ...

of the Royal Navy

Graffiti

* X3(Suffix) is a common Gang tag Signature that is associated with the Mexican Mafia aka "La Eme" x3 is the notion of Roman Numeral 10 + 3 which is 13 for the Letter M; that is the thirteenth Letter of the Spanish and English Alphabets. Every allianced gang will include Some form or variant of the x3 or 13 in their Graffiti tagging.