G (disambiguation)

Fictional characters

• G, a fictional character in the game Club Penguin
• G, a fictional character in Sega's The House of the Dead series
• G, a fictional character in Kuu Kuu Harajuku
• G (Street Fighter), a fictional character in the Street Fighter series
• Mr G, or Mr Gregson, a fictional character in the Australian TV comedy Summer Heights High

Films

• G (2002 film), by Christopher Scott Cherot
• G (2004 film), a documentary about methamphetamine use among the Navajo
• The G (film), 2023 film written, directed, and produced by Karl R. Hearne

Music

Rating systems

G is a common type of content rating that applies to media entertainment, such as films, television shows and computer games, generally denoting "General Audience" or "General Patronage" meaning that access is not restricted. The following organizations all use the rating:

• Australian Classification Board
• Canadian motion picture rating system
• Eirin
• Irish Film Classification Office
• Media Development Authority
• Motion Picture Association of America film rating system
• Movie and Television Review and Classification Board
• National Bureau of Classification (NBC)
• Office of Film and Literature Classification (New Zealand)

The "G" rating is further documented at Motion picture content rating system and Television content rating system.

Other arts, entertainment and media

• G. (novel), by John Berger
• G (magazine)
• G, the production code for the 1964 Doctor Who serial The Sensorites
• The G logo for the Brazilian television network Gazeta in São Paulo since 2000

In astrophysics

• G, a stellar classification for yellowish stars
• G, part of a provisional designation in astronomy for any comet, asteroid, or minor planet discovered between April 1 and 15

In chemistry and biology

• ATC code G, Genito-urinary system and sex hormones, a section of the Anatomical Therapeutic Chemical Classification System
• Ganesha (psychedelic) (G), a psychedelic drug
• G protein, a family of proteins
• Gamma-Hydroxybutyric acid, a drug more commonly known as GHB
• Glycine, an amino acid
• Guanosine, a nucleoside
• Haplogroup G (mtDNA), a human mitochondrial haplogroup
• Haplogroup G (Y-DNA), a Y-chromosome haplogroup

In computing

• "G", the visual programming language LabVIEW is based on
• G, deprecated prefix for memory sizes of 1024³

In linguistics

• ɢ, a symbol in IPA for voiced uvular plosive
• ɡ, a symbol in IPA for voiced velar stop
• Komi Sje, the Cyrillic letter Ԍ

In mathematics

• ${\displaystyle G}$, Catalan's constant
• ${\displaystyle G}$, Graham's number
• ${\displaystyle g}$, a metric tensor
• ${\displaystyle G}$, any of various ${\displaystyle G}$-functions
• ${\displaystyle g}$, Hedges' g, a measure of effect size

In physics

In scales, weights and measures

• G, giga-, an SI prefix meaning 10⁹ = 1,000,000,000
• g, gram, a unit of mass in the SI and CGS systems
• "g factor", or general intelligence factor, in psychometrics
• G, Birmingham gauge, used to measure the diameter of hypodermic needles