G5

G5, G.V, G.5 or G-5 is a two character combination which may refer to any of many items, classifications, and entities:

Groups and organizations

* G5 countries, the Group of Five, consists of five of the world's leading economies. The G5 members are: France, Germany, Japan, the United Kingdom, and the United States.
* G5 group, former group of the largest European countries: France, Germany, Italy, the United Kingdom, and Spain, now expanded to G6
* G5, a group of British universities consisting of Oxford, Cambridge, University College London, London School of Economics and Imperial College
* Assistant Chief of staff (military), Public Affairs (military shorthand)
* G5 is the IATA code for China Express Airlines

tandards and classifications

* G5 paper, an ISO 216 "Metric Paper" format, 169 × 239 mm
* G5 star, a subclass of G-class stars
* Group 5 element, part of the periodic table of elements
* G5 bipin, a lamp standard

Products and equipment

* G5 howitzer, a South African howitzer
* G5 Massage Machines, a line of medical devices for physical therapy, respiratory therapy, and spa and salon use
* Canon PowerShot G5, a digital camera
* Fiat G.5, a
* Gulfstream G500, private jet aircraft (GulfStream V family)
* Logitech G5, a gaming mouse with variable weight and sensitivity settings
* Mazda G engine#G5, a Mazda piston engine
* Motorola G5 project, the failed Motorola PowerPC project to succeed its own PPC 74x
* Ping G5, a golf club
* Pontiac G5, an automobile
* PowerPC G5, a microprocessor branding used by Apple Inc.
** Power Mac G5
** iMac G5
* G.V, a German designation for several World War I heavy bombers:
** AEG G.V
** Gotha G.V
* Empirix Hammer G5, a functional and load testing VoIP call generator by Empirix Inc.

Genetics

* The former haplogroup G5 (Y-DNA), a human Y chromosome haplogroup, now known as haplogroup G2c.