| Acronym | Definition |
|---|
| GBL | Groupe Bruxelles Lambert (Belgian holding company) |
| GBL | Gamma-Butyrolactone |
| GBL | General Business Law (various locations) |
| GBL | Government Bill of Lading (US DoD) |
| GBL | Global Definitions |
| GBL | Google Back Links |
| GBL | Gigabit Lan |
| GBL | Global Body Line |
| GBL | Garden-Based Learning (teaching strategy) |
| GBL | Groupes Bibliques Lycéens (French: Bible School Students Groups) |
| GBL | Global Business Leadership (various locations) |
| GBL | Gwinnett Basketball League (Georgia) |
| GBL | Gym Boxe Loisirs (French: Boxing Gym Interests) |
| GBL | Ground-Based Laser |
| GBL | Gingerbread Latte (coffee) |
| GBL | Game Boy Light |
| GBL | Gemeinnützige Beschäftigungsgesmbh Liezen (Austrian construction company) |
| GBL | Ground-Based Laboratory |
| GBL | Generation Breakdown List |
| GBL | General Bearing Line |
| GBL | Geschäftsbereichsleitung (German: Divisional Manager) |
| GBL | Green Bus Lines, Inc. |