G5

G5, G.V, G.5 or G-5 may refer to:

Businesses and companies

 * G5 Entertainment, a video game developer and publisher; see list of PlayStation minis
 * G5, IATA code for China Express Airlines

Electronics and software

 * Canon PowerShot G5, a digital camera
 * Dell G5 Series, a series of gaming laptops
 * G5 bipin, a lamp standard
 * LG G5, a smartphone developed by LG Electronics
 * Logitech G5, a gaming mouse with variable weight and sensitivity settings
 * Motorola G5 project, the failed Motorola PowerPC project to succeed its own PPC 74x
 * PowerPC G5, the PowerPC 970 microprocessor from IBM
 * iMac G5, an all-in-one desktop computer by Apple
 * Power Mac G5, Apple's marketing name for models of the Power Macintosh which contain the IBM PowerPC 970 CPU

Groups and organizations

 * G5, former name for G6 (EU), a group of the largest West European countries
 * G5 (universities), a grouping of five public research universities in England
 * G5 Sahel, an alliance of five countries in West Africa
 * Group of Five, five nations which have joined together for an active role in the rapidly evolving international order
 * Group of Five conferences, college football conferences in the United States

Military

 * G-5-class motor torpedo boat, a World War II Soviet torpedo boat
 * G5 carbine, a Georgian assault rifle
 * G5 howitzer, a South African howitzer
 * PMMC G5, a German light tracked vehicle
 * G.V (pronounced "G5"), a German designation for several World War I heavy bombers:
 * AEG G.V, a biplane bomber aircraft of World War I, a further refinement of the AEG G.IV
 * Gotha G.V, a heavy bomber used by the Luftstreitkräfte (Imperial German Air Service) during World War I

Science

 * G5 star, a subclass of G-class stars
 * Group 5 element, part of the periodic table of elements
 * Haplogroup G2c (Y-DNA), a human Y chromosome haplogroup, formerly known as haplogroup G5 (Y-DNA)

Aircraft

 * Fiat G.5, an Italian aerobatic tourer
 * Gribovsky G-5, a Russian sport aircraft
 * Gulfstream V, an American business jet

Automobiles

 * BYD G5, a Chinese compact sedan
 * Enranger G5, a Chinese compact crossover
 * Gonow Aoosed GX5, a Chinese mid-size SUV previously known as G5
 * Moskvitch G5, a Soviet Formula One car
 * Pontiac G5, an American compact sedan/coupe
 * Riich G5, a Chinese mid-size sedan

Rail

 * G5, station number for Gaiemmae Station, of the Tokyo Metro Ginza Line
 * LNER Class G5, the post-1923 designation for NER Class O steam locomotives
 * PRR G5, a 4-6-0 steam locomotive built for the Pennsylvania Railroad
 * Prussian G 5.1, Prussian G 5.4, and Prussian G 5.5 a series of 2-6-0 steam locomotives built for the Prussian state railroads

Other uses in transportation

 * Yamaha Libero G5, a Japanese-Indian motorcycle
 * G5 Beijing–Kunming Expressway
 * Galactic 05 (G05), a Virgin Galactic suborbital tourist spaceflight in November 2023
 * Mazda G5, a Mazda G engine

Other uses

 * G5 paper, a Swedish paper format additional to SIS 014711