Gemini

In astronomy and space exploration:

• Gemini (constellation), one of the constellations of the zodiac
• Gemini (astrology), the astrological sign
• Project Gemini, the second U.S. manned spaceflight program
• Gemini Observatory, northern and southern hemisphere twin large telescopes

Places

• Gemini (LE), a frazione of Ugento, Province of Lecce, Apulia (Italy)

In film, television, and theater:

• Gemini (2002 film), a Tamil film starring Vikram and Kiran Rathod
• Gemini Award, the Canadian awards ceremony
• Gemini TV, a Telugu-language Indian television channel
• "Gemini" (Stargate SG-1), an episode of the television series Stargate SG-1
• Gemini (1999 film), the English name for Shinya Tsukamoto's 1999 J-Horror film Sôseiji
• "Gemini", an episode of the television series Nowhere Man (TV series), as well as the name of the project surrounding Thomas Veil throughout the course of that series
• Gemini, a literally two-faced sorcerer and recurring villain in the animated series Thundarr the Barbarian
• Gemini (a.k.a. Michael Horton), one of the original gladiators on the television series American Gladiators.
• "Gemini", an episode of the television series Smallville (TV series)
• "Gemini" is a villain in the game and anime Mega Man Star Force

In music:

• Cassandra Gemini, the last track on The Mars Volta's second studio album, Frances the Mute.
• Big Gemini, a Dallas rapper
• Gemini FM, a South-West England radio station
• Gemini (Swedish band), a Swedish musical duo
• Gemini (Chinese band), a French-Chinese rock duo located in Beijing
• Gemini (Gemini album), an album by Swedish musical duo Gemini
• Gemini, a download-only double live album by Einstürzende Neubauten
• Gemini, an album by Brian McKnight
• Gemini (Kasia Kowalska album), an album by Polish singer Kasia Kowalska
• Gemini, a 11-minute song by Eric Burdon & The Animals
• Gemini: Good vs. Evil, a rap album created by Krayzie Bone
• "Gemini" (single), a single (not named after its A-side) by D'espairsRay
• "Gemini" (song), a song by pinoy rock band Sponge Cola
• "Gemini", a song by Australian R&B artist Israel
• Gemini (play), by Albert Innaurato

Computer related:

• Gemini (software), a bug tracking system by Countersoft
• Gemini, a mail/news reader program by Intellegit
• Gemini, a software system for code duplication analysis developed at Osaka University
• The Gemini chip, an updated version of the Apple Computer chip Mega II
• Gemini disk drive, removal packs, made by Data General
• Project Gemini, an alternative image for Dreambox

Other uses:

• BGO Gemini, a Bulgarian gay organization
• Gemini twins, Castor and Pollux of Greek mythology
• Gemini Ziekenhuis, a hospital in Den Helder, Netherlands
• Gemini double decker buses manufactured by Volvo Wright Volvo in the United Kingdom for domestic use and overseas in Hong Kong.
• Gemini inflatable boat, manufactured by Gemini Marine Industres (UK) or Gemini Inflatables (Australia)
• Gemini (roller coaster), a roller coaster at the Cedar Point amusement park
• Gemini rheometer, a rotational rheometer manufactured by Malvern Instruments
• Gemini Sound Products, a manufacturer of professional DJ equipment known as 'Gemini DJ'
• Gemini house, a turnable energy plus house in Austria
• Gemini Tracking, a GPS tracking company featuring the Gemtek
• Coleco Gemini, a clone of the Atari 2600 game system
• Isuzu Gemini, a car previously built by Isuzu
• Miles Gemini, a British 1940s four-seat aircraft
• Air Gemini, an airline of Angola
• Gemini Air Cargo, an airline of the United States
• Gemini, a Robot Wars competitor
• Gemini Catamaranan American made production catamaran, various models since 1981 (3000, 3200, 3400, 105M, 105Mc),