G3

G3 (or G-3) may refer to:

• The G-3 or Group of Three; name given to members of the Free Trade Agreement between Colombia, Mexico and Venezuela between 1995 and 2006.
• G3 Scientific journal
• The G-3, group formed by the three richest and most powerful countries of the European Union: Germany, France and Italy.
• G-3Peruvian punk band from the '80s.
• The G-3 or R-8; Middle-range Soviet missile project.
• G3, IATA code of the Brazilian airline Gol Air Transports.
• The PowerPC G3Mac computer processor, Apple.
• Office G3Brazilian Christian rock band.
• La musical tour G3, annual live music event created by Joe Satriani in 1996, in which three selected guitarists from the generation participate.
• The Heckler " Koch G37,62 mm combat rifle.
• Gcubo, Spanish association of free software users.