'''GGB''' may refer to:
* Gerdau, a Brazilian steel company * GGB Bearing Technology, a global plain bearings manufacturer * Golden Gate Bridge, a suspension bridge in San Francisco, CA * Gornergrat railway (German: ''{{lang|de|Gornergratbahn}}''), in Switzerland * Governor-General of the Bahamas * Governor-General of Barbados * Governor-General of Belize * Green Garter Band, of the University of Oregon * Grupo Gay da Bahia, a gay rights organization in Brazil * GeoGebra * Gabriel George Brown
{{disambiguation}}