| Acronym | Definition |
|---|
| GBB | Grand Beatbox Battle (gaming) |
| GBB | Gas Blow Back |
| GBB | Galesburg (Amtrak station code; Galesburg, IL) |
| GBB | General Broadband |
| GBB | Globe Broadband |
| GBB | Groningen Biomolecular Sciences and Biotechnology Institute (The Netherlands) |
| GBB | Glass Bottom Boat (marine vessel) |
| GBB | Gershman, Brickner & Bratton, Inc. (waste management) |
| GBB | God Bless the Beatles (fan site) |
| GBB | Good, Better, Best |
| GBB | Generic Blackboard (data system) |
| GBB | Great Bahama Bank (carbonate platform) |
| GBB | Girls Behaving Badly (TV show) |
| GBB | Guy's Big Bite (TV show) |
| GBB | Gross Ballast Bonus (shipping industry) |