G3, G03, G.III, G.3 or G-3 may refer to:

Politics

  • Group of Three, a trio of countries consisting of China, India, and the United States
  • G3 Free Trade Agreement between Colombia, Mexico and Venezuela
  • EU three of France, Germany, and Italy

Military

  • AEG G.III, a German World War I heavy bomber
  • Albatros G.III, a 1916 German bomber aircraft
  • Caudron G.3, a 1913 French single-engined biplane
  • Friedrichshafen G.III, a 1915 German medium bomber
  • G-3 U. S. Army Operations (military staff)
  • G3 battlecruiser, a post First World War design for the Royal Navy that was curtailed by the Washington Naval Treaty
  • G3 (NATO), the Assistant Chief Of Staff or senior staff officer on Operations and Plans at the division level and higher
  • Gotha G.III, a 1916 German heavy bomber
  • Heckler & Koch G3, a battle rifle produced by Heckler & Koch
  • Soko G-3, improved variant of Soko G-2 airplane
  • , an early U.S. Navy submarine
  • Group of Three, a group dispatched to Lebanon in 1958, shortly before the 1958 Lebanon crisis

Electronics

  • Canon PowerShot G3, a digital camera made by Canon
  • G3 power state, in computer ACPI power states
  • G3, a fax encoding format
  • G3, a PBX from the Avaya Definity range
  • Gibson G3, a 1975 bass guitar
  • iAudio G3, an mp3 player from the Cowon iAudio range
  • Panasonic Lumix DMC-G3, a digital interchangeable lens camera made by Panasonic
  • PowerPC G3, a microprocessor branding used by Apple Computer
  • LG G3, an Android smartphone developed by LG Electronics
  • G3 gaming laptops series from Dell
  • iMac G3, the first product in Apple's iMac line

Media

  • g3 (British magazine), a UK magazine aimed at lesbian and bisexual women
  • G3 (tour), a live music show and guitar tour organized by Joe Satriani and Steve Vai
  • G3: Genes, Genomes, Genetics, a scientific journal in the discipline of genetics, published by the Genetics Society of America
  • GIII, the alternative title for the third and final film in the Gamera heisei trilogy.

Science and medicine

  • ATC code G03 Sex hormones and modulators of the genital system, subgroup of the Anatomical Therapeutic Chemical Classification System
  • G3 star, a subclass of G-class stars in stellar classification
  • Group 3 element of the periodic table
  • G3 medium in embryo culture
  • G-3 (drug) (Ganesha-3), a psychedelic drug

Transportation

  • Galactic 03 (G03), a suborbital tourist spaceflight on 8 September 2023

Air transportation

  • City Connexion Airlines, a former Burundian airline, IATA designation G3
  • Gol Transportes Aéreos, a Brazilian economy airline, IATA designation G3
  • Gulfstream III, an American business jet, sometimes abbreviated GIII

Automobiles

  • BYD G3, a 2009–2014 Chinese compact sedan
  • Enranger G3, a 2014–present Chinese subcompact SUV
  • Polytron G3, a 2025-present Indonesian battery electric compact crossover SUV, rebadged Skyworth EV6
  • Pontiac G3, a 2008–2010 American subcompact car
  • XPeng G3, a 2018–present Chinese compact electric SUV

Rail transportation

  • Gaiemmae Station, station G-03 of the Tokyo Metro Ginza Line
  • PRR G3, an American PRR 4-6-0 locomotive
  • WLWR Class G3, a Waterford, Limerick and Western Railway Irish steam locomotive
  • LNER Class G3, a class of British steam locomotives

Roads and routes

  • G3 Beijing–Taipei Expressway, incomplete expressway intended to link mainland China and Taiwan

Watercraft

  • G3 boats, from Yamaha Motor Corporation

Other

  • Kamen Rider G3, a fictional character featured in Kamen Rider Agito
  • G3 (company), or "Good Governance Group", British corporate security and intelligence company
  • G3 Ministries, a Reformed Baptist ministry in the United States that hosts the G3 Conference
  • G-3 visa, a type of non-immigrant visa allowing travel to the United States
  • G-III Apparel Group, a clothing manufacturing company
  • G3 Canada, a Canadian grain company and successor to the Canadian Wheat Board

See also

  • 3G (disambiguation)
  • GGG (disambiguation)