GBI
- Albert Speer
- California Penal Code
- Charlie Benante
- Dave Grohl
- GB1 (disambiguation)
- GBI (German Bold Italic)
- GBL (disambiguation)
- Galela language
- Gbi language
- Gbii language
- Gbin language
- General Behavior Inventory
- Genius Brands International
- Georgia (U.S. state)
- Georgia Bureau of Investigation
- Gereja Bethel Indonesia
- Green Bank Interferometer
- Green Building Initiative
- Ground-Based Interceptor
- Gulf Bridge International
- Kalaburagi Airport
- Scott Ian