G2, G02, G.II, G II, or G-2 may refer to:

Fiction

* ''

Transformers: Generation 2 ''The Transformers: Generation 2'' (also known as ''Generation Two'' or ''G2'') was a Transformers toy line which ran from 1992–1995, in conjunction with a corresponding comic book A comic book, also called comic magazine or (in the United ...

'': Part of the Transformers franchise, lasting 1992-1995 * '' Transformers: Generation 2 (comics)'', by Marvel Comics * G2, an android in the movie ''

Inspector Gadget 2 ''Inspector Gadget 2'', (sometimes called ''Inspector 2 Gadget'' and ''IG2'') is a 2003 American live-action superhero film, superhero comedy film, released direct-to-video on VHS and DVD on March 11, 2003. The film is based on the Inspector Gadge ...

Science and mathematics

* G2, a

stellar classification In astronomy, stellar classification is the classification of stars based on their stellar spectrum, spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a prism or diffraction grating into a spectr ...

* G₂ (mathematics), an exceptional Lie group * G2, a

soil erosion Soil erosion is the displacement of the upper layer of soil File:Stagnogley.JPG, Surface-water-Gley soil, gley developed in glacial till, Northern Ireland. Soil is a mixture of organic matter, minerals, gases, liquids, and organisms that togeth ...

model * G2 gas cloud, an astronomical object on a collision course with the super massive black hole at the center of the Milky Way * G₂ phase, part of the cell cycle * ATC code G02 ''Other gynecologicals'', a subgroup of the Anatomical Therapeutic Chemical Classification System * M31 G2 or Mayall III, a globular cluster in the Andromeda Galaxy * Ovoglobulin G2, a protein in egg white * Haplogroup G2, a subclade of Haplogroup G (Y-DNA) * g−2, the notation for the anomalous magnetic dipole moment in physics ** Muon g-2 experiment at Fermilab (E989) * G2, an informal group of fossil bird eggs from the Gobi desert that were later named ''Gobioolithus, Gobioolithus major''

Computing

* ''Extreme-G 2'', a 1998 Nintendo 64 game * PowerPC 600#G2, G2, a model of PowerPC * Gnutella2, the P2P file sharing Network * HTC Hero mobile phone, aka G2 Touch * LG G2, an Android smartphone developed by LG Electronics * T-Mobile G2, an Android smartphone made by HTC for T-Mobile USA * Garden G2, an internet proxying tool by Garden Networks#G2, Garden Networks * Cook Codec or RealAudio G2, an audio compression method

Commerce and industry

* G2 Crowd, business solution review platform * Gatorade G2, a soft drink * Canon PowerShot G2, a digital camera * Contax G2, the second Contax G camera * Panasonic Lumix DMC-G2, a digital camera * Slacker G2, a portable audio device for the Slacker (music service), Slacker music service G2,a conveyor belt designation for general purpose belt for sand, gravel, timber, and multipurposes.

Transportation

* County Route G2 (California), also known as Lawrence Expressway * G2 Beijing–Shanghai Expressway, China * Glasspar G2, a fiberglass body car * MGWR Class G2, an Template:Ireland Steam Locomotives, Irish steam locomotive * PRR G2, an American Template:PRR locomotives, PRR 4-6-0 steam locomotive * Grumman Gulfstream II, a business jet built * G2, the Avirex Gabon IATA airline designator * Fiat G.2, a 1932 Italian transport aircraft * G2, a class of Driving licence in Canada#Ontario, driver's license in Ontario, Canada

Military

* G2, a designation in NATO's Staff (military)#Continental Staff System, Continental staff system, related to ''Military Intelligence'' ** G-2 (intelligence), the United States Army unit * Directorate of Military Intelligence (Ireland), commonly referred to as "G2" * Dirección de Inteligencia, Cuba, also referred to as "G2" * AEG G.II, a German World War I bomber * Albatros G.II, a 1916 German biplane bomber prototype * Friedrichshafen G.II, a 1916 German medium bomber aircraft * HMAS Nestor (G02), HMAS ''Nestor'' (G02), a 1940 Royal Australian Navy N-class destroyer * Gotha G.II, a German bomber during World War I * Soko G-2, a 1961 Yugoslavian two-seat aircraft * USS G-2 (SS-27), USS ''G-2'' (SS-27), an American submarine

Other uses

* ''G2'', ''The Guardian'' weekday supplement * G2 Esports, a Spanish eSports organization * Group of Two, a proposed informal special relationship between the United States and China * G-2 visa, a nonimmigrant visa which allows travel to the United States * G2 (rapper), the stage name of South Korean rapper Kevin Hwang