IG

IG, Ig, or ig may refer to:

Companies

 * IG Farben, a former German industrial conglomerate
 * IG Group, a UK financial services company
 * IG Recordings, a record label formed by the Indigo Girls, an American folk/rock duo
 * Production I.G, a Japanese anime company
 * Impressions Games, a defunct United States gaming company
 * Internet Group, stylized as "iG", a Brazilian internet service provider
 * Invictus Games (company), a Hungarian video game developer
 * Air Italy (2018–2020) (former IATA code: IG), a former Italian airline

Games

 * Imperial Guard (Warhammer 40,000), from the tabletop strategy game Warhammer 40,000
 * Imperium Galactica, a 1997 PC CD-ROM game by Hungary-based Digital Reality
 * Insomniac Games, an independent video game developer
 * Investment Game, an international stock market simulation game
 * Invictus Gaming, a Chinese professional E-sports team
 * Invictus Games, Paralympic sporting event
 * Invictus Games (company), Hungarian video game developer

Government

 * Inspector General, a high-ranking official
 * Inspector General of Police
 * Inspector General of Prisons

Places

 * Ig, Slovenia
 * IG postcode area, a group of postcode districts around Ilford, England

Science and technology

 * Immunoglobulin, also known as antibody, a protein used by the immune system to identify and neutralize foreign objects such as bacteria and viruses
 * Imperial gallon (ig), an Imperial unit of volume defined as 4.54609 L
 * Insulated glazing, double or triple glass window panes separated by an air or other gas-filled space to reduce heat transfer
 * Integrated graphics, the term for a graphics processor that is integrated into the mainboard

Other uses

 * Ig Nobel Prize, a parody of the Nobel Prize (ignoble)
 * Igbo language, the official language of Nigeria, by ISO 639-1 language code
 * Information governance, the management of information at an organisation
 * Inscriptiones Graecae (IG), a collection of ancient Greek sources
 * The IG-series, a series of combat droids in the Star Wars universe
 * Instagram, a social media application
 * Investment-grade bond or debt
 * Italian Greyhound, a breed of dog
 * Injustice Guild, the villainous counterpart to the Justice Guild of America