GSB
- Gaud Saraswat Brahmin
- Geological Survey of Bangladesh
- Geological Survey of Belgium
- German School Brooklyn
- Gill St. Bernard's School
- Gisborne railway station
- Giusfredi–Bianchi
- Gold Star for Bravery
- Government Savings Bank (Thailand)
- Government School, Bidhwan
- Granada Sky Broadcasting
- Green sulfur bacteria
- Grivel Scarpa Binding
- Guiding and Scouting in Belgium
- IATA airport code
- Ministry of Youth and Sports (Turkey)
- National Coursing Club
- Seymour Johnson Air Force Base
- Stanford Graduate School of Business
- University of Chicago Booth School of Business
- University of Chicago Graduate School of Business