GI

GI or Gi may refer to:

Arts and entertainment

• (GI), an album by The Germs
• Gi (Captain Planet character)
• Game Informer, a magazine
• Global Icon (band), a South Korean group
• Goethe-Institut, a German cultural association
• Great Intelligence, a foe from the Doctor Who series

Maths, science, and technology

Biology and medicine

• G_i alpha subunit, a protein
• Gastrointestinal, an adjective meaning of or pertaining to the stomach and intestines
• Glycemic index, a measure of blood sugar

Computing and telecommunications

• .gi, Gibraltar's top-level domain
• Gi (prefix symbol), the symbol of the binary unit prefix gibi
• General Instrument, an electronics company
• Gesellschaft für Informatik, a German computer society
• Global illumination, a group of 3D graphics algorithms
• Graphics Interface Conference
• Guard interval, a telecommunications delay

Other uses in maths, science, and technology

• GI, a complexity class in graph theory
• Gilbert (unit), a measurement of magnetomotive force

Places

• Gary, Indiana, United States
• Gibraltar, ISO 3166-1 country code GI
  • .gi, Gibraltar's top-level domain
• Glen Innes, New Zealand

Sport

• Keikogi, a martial arts uniform
  • Judogi
  • Aikidogi
  • Karate gi
  • Brazilian jiu-jitsu gi
• Greg Inglis, Australian rugby league footballer
• Group I, a term in horse racing generally representing younger horses

Other uses

• G.I. (military), a nickname for U.S. Army soldiers and equipment
• Geographical indication, a designation of a product as made in a certain region
• Geographical information, having an implicit or explicit association with a location relative to the Earth
• Itek Air (IATA airline designator GI)
• Gi (kana), a syllabic character in Japanese script