GI
Appearance
GI or Gi may refer to:
Military
- G.I., a nickname for U.S. Army soldiers
Arts and entertainment
- GI (album), an album by the Germs
- Gi (Captain Planet character), a Captain Planet character
- Game Informer, a magazine
- Gert's Inferno, a comic book series
- Global Icon (band), a South Korean group
- Genshin Impact, an action role-playing gacha game developed by miHoYo
Organisations
- Goethe-Institut, a German cultural association
- General Instrument, an electronics company
- Gesellschaft für Informatik, a German computer society
- Guaranteed Irish, a business membership network
Science and technology
- GI, a complexity class in the graph isomorphism problem
- Galvanized iron
Biology and medicine
- Gi alpha subunit, a protein
- Gastrointestinal tract (GI tract)
- Gigantocellular reticular nucleus, a subregion of the medullary reticular formation
- Glycemic index, measuring a food's effect on blood glucose
Computing
- .gi, the country code top-level domain for Gibraltar
- Gi (prefix symbol) (gibi), a binary prefix
- Global illumination, a group of 3D graphics algorithms
Transport
- Guduvancheri railway station (Indian Railways station code), a railway station in Tamil Nadu, India
- Itek Air (IATA airline designator), a former airline based in Kyrgyzstan
Other uses
- Gibraltar (ISO 3166-1 country code)
- G.I. Generation, a demographic cohort
- Graphics Interface, a conference on computer graphics and human–computer interaction
- Geographical indication, on products which corresponds to a geographical location or origin
- Gi (kana), a syllabic character in Japanese script
- Gi (cuneiform), a sign in cuneiform writing
- Greg Inglis (born 1987), Australian rugby league footballer
- Keikogi, a Japanese martial arts uniform known in English simply as a gi