GI
GI is an abbreviation for:
- Secret informator , certain employees of the Ministry for State Security of the GDR, later called unofficial employee (IM)
 - General Instrument , an American electronics manufacturer
 - Inspector General , military title
 - General director, head of radio or television companies
 - Society for IT , IT specialist representation in German-speaking countries
 - GI (soldier) (also: GI), soldier in the US armed forces
 - Gibraltar , according to ISO 3166
 - Global Illumination in 3D computer graphics, see Global Illumination
 - Glycemic index , measure of the blood sugar-increasing effect of foods containing carbohydrates
 - Goethe Institute , German cultural organization
 - Government Issue , American hardcore punk band
 - Guard interval , protection interval in communications engineering
 - Itek Air , Kyrgyz airline (IATA code)
 - (GI) (Germs Incognito) , Germs studio album (1979)
 
GI as a distinguishing mark on license plates:
- Germany: District of Giessen
 - Italy: Agrigento Free Municipal Consortium (Girgenti) (to be discontinued)
 - Spain: Province of Girona (to be discontinued)
 
GÍ stands for:
- Gøtu Ítróttarfelag , Faroese football club from Gøta
 
Gi stands for:
- Gibi , binary prefix
 - Keiko-Gi , traditional Japanese garment
 - G i proteins, a family of heterotrimeric G proteins
 
gi stands for:
- .gi , country-specific top-level domain (ccTLD) for Gibraltar