| GBL | By Laws 
| Others |
| GBL | Game Based Learning
| Others |
| GBL | Game Boy Light
| Others |
| GBL | Games Based Learning
| Others |
| GBL | Gamma-ButyroLactone
| Others |
| GBL | Gangwayed Bogie Luggage
| Others |
| GBL | Germantown Baseball League
| Others |
| GBL | Gigabit Lan
| Others |
| GBL | Glenn a Black Laboratory
| Others |
| GBL | Glenn Black Laboratory
| Others |
| GBL | Global Body Line
| Others |
| GBL | Global Business Location
| Others |
| GBL | Global Definitions
| Others |
| GBL | Global module in Basic programs
| Others |
| GBL | Good Beautiful Look
| Others |
| GBL | Good Boy Lyle
| Others |
| GBL | Google Back Links
| Others |
| GBL | Goulburn Island, Northern Territory, Australia
| Others |
| GBL | Government Bill of Lading
| Others |
| GBL | Graco Box Lubricator
| Others |
| GBL | Graduated Business License
| Others |
| GBL | Graphic Bass Lead
| Others |
| GBL | Great Beginnings Leader
| Others |
| GBL | Great Big Lever
| Others |
| GBL | Greater Brisbane League
| Others |
| GBL | Green Biologics Ltd
| Others |
| GBL | Green Bus Lines
| Others |
| GBL | Ground Based Laser
| Others |
| GBL | Group Benefits Ltd
| Others |
| GBL | Group Billing List
| Others |
| GBL | Groupe Bruxelles Lambert
| Others |
| GBL | Guanine Binding Loop
| Others |
| GBL | Guide Big Loop
| Others |
| GBL | Gummy Bear Launcher
| Others |
| GBL | Gwinnett Basketball League
| Others |