GI

GI or Gi may refer to:

Art and culture

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

Biology

• G_i alpha subunit, a protein
• Gastrointestinal, part of the anatomy in humans and most animals
• Glycemic index, a measure of blood sugar

Computing and technology

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

Places

• Gary, Indiana, United States
• Gibraltar, ISO 3166-1 country code GI
• Glen Innes, New Zealand

Sport

• Greg Inglis, Australian rugby league footballer
• Keikogi, a martial arts uniform
  • Judogi
  • Aikidogi
  • Karate gi
  • Brazilian jiu-jitsu gi
• 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
• Gilbert (unit), a measurement of magnetomotive force
• Geographical indication, a designation of a product as made in a certain region
• Itek Air, IATA airline designator GI
• Gi (kana), a syllabic character in Japanese script