GI

GI or Gi may refer to:

Arts and entertainment

• GI (album), 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

Maths, science, and technology

Biology and medicine

• G_i alpha subunit, a protein
• Abbreviation of gastrointestinal
• Glycemic index, measuring a food's effect on blood glucose

Computing and telecommunications

• .gi, Gibraltar's top-level domain
• Gi (prefix symbol), for gibi
• General Instrument, an electronics company
• Gesellschaft für Informatik, a German computer society
• Global illumination, a group of 3D graphics algorithms
• Graphics Interface conference

Other uses in maths, science, and technology

• GI, a complexity class in graph theory
• Galvanized iron

Places

• Gibraltar, ISO 3166-1 country code

Sport

• Keikogi, a martial arts uniform
  • Judogi
  • Aikidogi
  • Karate gi
  • Brazilian jiu-jitsu gi
  • Sambovka (Sambo Kurtka jacket)
• Greg Inglis, Australian rugby league footballer

Other uses

• G.I. (military), a nickname for U.S. Army soldiers and equipment
• G.I. Generation
• Geographical indication of product source
• Itek Air (IATA airline designator GI)
• Gi (kana), a syllabic character in Japanese script
• Gi (cuneiform), a sign in cuneiform writing
• Guaranteed Irish
• Great Intelligence, an enemy of the Doctor in Doctor Who