| GBR | Garbled Beyond Recovery 
| Others |
| GBR | Gas Burner Racks
| Others |
| GBR | Gay Boy Ricer
| Others |
| GBR | Geelong Bowls Region
| Others |
| GBR | Generic Brand Reference
| Others |
| GBR | Georgian Bay Run
| Others |
| GBR | Gereshes Book Review
| Others |
| GBR | Gerson Boehm Rosenthal
| Others |
| GBR | Get Block Reverse
| Others |
| GBR | Glass Bead Rating
| Others |
| GBR | Global Business Register
| Others |
| GBR | Global Business Reports
| Others |
| GBR | Global Business Research
| Others |
| GBR | Global Business Review
| Others |
| GBR | Go Big Red
| Others |
| GBR | Go Blue Rendezvous
| Others |
| GBR | Gotta B*tch Rolling
| Others |
| GBR | Gradient Boost Regressor
| Others |
| GBR | Graduate Basis for Registration
| Others |
| GBR | Grand Bend Raceway
| Others |
| GBR | Graziadio Business
| Others |
| GBR | Graziadio Business Review
| Others |
| GBR | Great Barrier
| Others |
| GBR | Great Barrington Airport, Great Barrington, Massachusetts USA
| Others |
| GBR | Great Basin Rovers
| Others |
| GBR | Great Bear Rainforest
| Others |
| GBR | Great Big Resources
| Others |
| GBR | Great Books Room
| Others |
| GBR | Great British Restaurant
| Others |
| GBR | Greedy Buffer Reuse
| Others |
| GBR | Ground Based Radar
| Others |
| GBR | Ground Based Radio
| Others |
| GBR | Ground-Based Radar
| Others |
| GBR | Group Buddy Read
| Others |
| GBR | Guaranteed Bit Rate
| Others |
| GBR | Guided Bone Regeneration
| Others |
| GBR | Guy Blandford and Roycroft
| Others |