IG

IG, Ig, or ig may refer to:

Biology

• Immunoglobulin
• Immature granulocyte

Places

• Ig, a town and a municipality in Slovenia
• IG postcode area, a group of postcode districts around Ilford, England

Companies

• IG Farben, a German industrial conglomerate
• IG Group, a UK speculative investment company
• iG - internet Group, a Brazilian internet service provider
• Production I.G, a Japanese anime company
• Impressions Games, a defunct United States gaming company
• Meridiana Fly (IATA airline designator)

Games

• Imperial Guard, from the tabletop strategy game, Warhammer 40,000 Universe
• Imperium Galactica, a 1997 PC CD-ROM game by Hungary-based Digital Reality
• Insomniac Games, an online slang term used by members of its community
• Investment Game, an international stock market simulation game

Government

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

Other

• Ig Nobel Prize, a parody of the Nobel Prize (ignoble)
• Inspector Gadget, a cartoon television show and movie
• Italian Greyhound, a breed of dog
• Islamic Group (Al-Gama'a al-Islamiyya), a militant Egyptian Islamist movement
• Inverse gamma distribution, a common continuous distribution in Statistics
• iGoogle, Google's personalized homepage
• Indigo Girls, a folk/rock duo from the United States
• Inscriptiones Graecae, a collection of ancient Greek sources
• Integrated Graphics, graphics processor is integrated into the mainboard
• Igbo language, the official language of Nigeria (ISO 639 alpha-2, ig)
• Insulated glass