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
  • 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
  • Interim Government of Ambazonia
  • Irish Guards, a Foot Guards regiment of the British Army

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
  • 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 inscriptions
  • The IG-series, a series of combat droids in the Star Wars universe
  • Instagram, a social media application
  • Investment-grade bond or debt
  • Island Games, international sports tournament
  • Italian Greyhound, a breed of dog
  • Injustice Guild, the villainous counterpart to the Justice Guild of America