GBU
- Air Bissau
- Countermine System
- Football Association of Greenland
- GBU Indoor Stadium
- GBU-10 Paveway II
- GBU-12 Paveway II
- GBU-15
- GBU-16 Paveway II
- GBU-24 Paveway III
- GBU-27 Paveway III
- GBU-28
- GBU-37 GPS-Aided Munition
- GBU-39 Small Diameter Bomb
- GBU-43/B MOAB
- GBU-44/B Viper Strike
- GBU-53/B
- GBU-57A/B MOP
- Gaagudju language
- Gabriel Resources
- Gaston Berger University
- Gautam Buddha University
- Good Bad Ugly
- Groupes Bibliques Universitaires
- The Good, the Bad and the Ugly