GBS
- Berlin Straßenbahn
- British Subject
- Gabungan Bersatu Sabah
- Game Boy Sound System
- Gandaki Boarding School
- Gbesi language
- Genotyping by sequencing
- George Bernard Shaw
- Geostationary balloon satellite
- Gifu Broadcasting System
- Gilgit-Baltistan Scouts
- Glasgow-Blatchford score
- Glenbrook South High School
- Global Broadcast Service
- Goals breakdown structure
- Goethe Business School
- Gold Bauhinia Star
- Government procurement in the United Kingdom
- Gram Bharati Samiti
- Gravity-based structure
- Group B streptococcus
- Grundig Business Systems
- Gugun Blues Shelter
- Guillain–Barré syndrome
- Guillermo Barros Schelotto
- Guinea-Bissau at the Olympics
- Gyeonggibuk Science High School
- IBM Global Business Services