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

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 is a music video game, and a part of the ''Dance Dance Revolution'' series. The arcade version of ''DDR X3'' was revealed by Konami on June 2, 2011. The sequel to ''Dance Dance Revolution X2'', ''X3'' began public beta testing on June 8, 2011. P ...

'', 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 The Korg X3 is a music workstation produced by Korg in 1993. The X3 features 200 programs, 200 combinations, 32-voice polyphony, a 32,000 note, 16-track sequencer with 100 patterns and 10 songs and a double-sided, double-density 3.5-inch floppy d ...

, a synthesizer

Phones

* Kyocera X3, an

Android One Android One is a family of third-party Android smartphones promoted by Google. In comparison to many third-party Android devices, which ship with a manufacturer's customized user interface and bundled apps, these devices run near- stock versi ...

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 The Foveon X3 sensor is a digital camera image sensor designed by Foveon, Inc., (now part of Sigma Corporation) and manufactured by Dongbu Electronics. It uses an array of photosites that consist of three vertically stacked photodiodes. Each o ...

, a layered image sensor design

Mathematics, science, and technology

Astronomy

Cygnus X-3 Cygnus X-3 is a high-mass X-ray binary ( HMXB), one of the stronger binary X-ray sources in the sky. It is often considered to be a microquasar, and it is believed to be a compact object in a binary system which is pulling in a stream ...

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

Mathematics

* X³, the mathematical

cubic function In mathematics, a cubic function is a function of the form f(x)=ax^3+bx^2+cx+d where the coefficients , , , and are complex numbers, and the variable takes real values, and a\neq 0. In other words, it is both a polynomial function of degree ...

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 The BMW X3 is a compact luxury crossover SUV manufactured by BMW since 2003, based on the BMW 3 Series platform. Now in its third generation, BMW markets the car as a ''Sports Activity Vehicle'', the company's proprietary descriptor for its X- ...

, a German compact SUV *

Cowin X3 The Cowin X3 is a compact Crossover sport utility vehicle, CUV produced by the Chinese manufacturer Cowin Auto (subsidiary of Chery) since 2016. Overview The vehicle debuted as the Cowin i-CX concept at the Chengdu Auto Show in August 2014. Th ...

, 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 Hapag-Lloyd Express (previously also marketed as ''HLX.com'') was a no-frills, high-frequency, express airline based in Langenhagen, Germany. It operated services within Germany and to destinations in Europe. In January 2007 it combined its op ...

(IATA airline designator X3, 2002-2007)

Motorcycles

Ilmor X3 The X3 ''(stylized as the X3)'' is an 800 cc V4 race bike built by Ilmor Engineering to compete in the 2007 MotoGP series. The X3 is the brainchild of Ilmor co-founder Mario Illien and former grand prix rider Eskil Suter of Suter Racing Tec ...

(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.