Editing G4

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'''G4''' or '''G.IV''' may refer to:
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==Places==
* [[County Route G4 (California)]], a county highway in Santa Clara County, California, USA
* [[G4 Beijing–Hong Kong and Macau Expressway]], an expressway in China
* [[G4 (Taichung Metro)]], also known as Songzhu Station or Jiushe Station, a station under construction in the Taichung Metro

==Arts, entertainment, games, media==
* [[G4 (American TV network)]], an American television channel
* [[G4 (Canadian TV channel)]], a former Canadian television channel 
* [[G4 (group)]], a British vocal troupe
* [[Grob's attack]], an opening move in chess

==Groups, organisations, companies==
* [[G4 nations]], four nations that support each other's bids to become permanent members of the United Nations Security Council: Brazil, Germany, India, and Japan
* [[Big Four (Western Europe)]], sometimes called 'G4', a group of powerful countries in Europe
* [[VIP Protection Unit]], a unit of the Hong Kong Police Force (originally Section G, Division 4)
* [[Allegiant Air]], by IATA airline designator

==Electrics, electronics, and computing==
* G4, a type of [[bi-pin lamp base]] (socket), a lamp fitting where the pin spacing is 4mm
* [[LG G4]] smartphone
* [[Moto G4]], a line of smartphones
* [[Group 4 compression]], a type of image compression used in fax machines and some image file formats

===Apple Computer===
* [[PowerPC G4]], a type of microprocessor by Freescale used by Apple
** [[Power Mac G4]], a series of personal computers made by Apple Inc in July 1999
** [[PowerBook G4]], a series of Professional notebooks made by Apple Inc in 2001
** [[iMac G4]], a series of personal computer made by Apple Inc in January 2002
** Xserve G4, an [[Xserve#Xserve G4|Xserve]] server made by Apple Inc in May 2002
** iBook G4, an [[iBook#iBook G4|iBook]] series of consumer notebooks in October 2003
** Mac Mini G4, a [[Mac Mini#First generation (G4 Polycarbonate)|Mac Mini]] series of ultracompact computer in January 2005

===Science and medicine===
* G-4 (Ganesha-4), an amphetamine psychoactive drug and derivative of the psychedelic [[Ganesha (psychedelic)#G-4|Ganesha]]

==Vehicles==
* [[AEG G.IV]], a German World War I heavy bomber
* [[Caudron G.4]], a 1915 French biplane
* [[Friedrichshafen G.IV]], a 1918 German medium bomber
* [[Gotha G.IV]], a 1916 German heavy bomber
* [[Gulfstream IV]], a family of private jet aircraft
* [[Mitsubishi G4M]] "Betty", a World War II Japanese fast bomber
* [[Soko G-4 Super Galeb]], a jet trainer/light attack jet of Yugoslav origin
* [[USS G-4 (SS-26)|USS ''G4'' (SS-26)]], a 1914 G-class submarine of the United States Navy
* [[G4-class freighter]], a cargo ship design
* [[LNER Class G4]], a class of British steam locomotives
* [[Pontiac G4]], a compact car sold in Mexico

==Other uses==
* [[G4 EA H1N1]], a strain of influenza
* [[G-quadruplex]], a [[DNA]] secondary structure
* [[Group 4 element]], a class of elements on the Periodic Table
* [[ATC code G04]] ''Urologicals'', a subgroup of the Anatomical Therapeutic Chemical Classification System
* [[Galactic 04]] (G04), a Virgin Galactic suborbital tourist spaceflight in October 2023, the first spaceflight of a Pakistani

==See also==
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* [[Group 4 (disambiguation)]]
** [[G4S]], formerly Group 4 Securicor
* [[4G (disambiguation)]]
* [[Gang of Four (disambiguation)]]
* ''[[Kamen Rider Agito: Project G4]]'', the ''Kamen Rider Agito'' film
** [[Kamen Rider G4]], the movie exclusive character
* [[Giv (disambiguation)]] <!-- because [[G.IV]] redirects here -->
* {{intitle|g-4}}
* {{intitle|g4}}

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