| LDB | Data filer database (IBM Works for OS/2) 
| Others |
| LDB | Lac Du Bonnet
| Others |
| LDB | Laguna Development Bank
| Others |
| LDB | Lan Data Base
| Others |
| LDB | Lao Development Bank
| Others |
| LDB | Large Data Base
| Others |
| LDB | Lascar Des Bois
| Others |
| LDB | Last Data Bit
| Others |
| LDB | Last Diagonal Block
| Others |
| LDB | Launch Data Bus
| Others |
| LDB | Lcf Data Base
| Others |
| LDB | Leader Dogs for the Blind
| Others |
| LDB | Lean Data Block
| Others |
| LDB | Left Descending Bank
| Others |
| LDB | Legacy Data Base
| Others |
| LDB | Legislative Data Base
| Others |
| LDB | Leitchfield Deposit Bank
| Others |
| LDB | les Legendes De Bugatti
| Others |
| LDB | License Data Base
| Others |
| LDB | Light Duty Bus
| Others |
| LDB | Lincoln Die Break
| Others |
| LDB | Link Detox Boost
| Others |
| LDB | Liquor Distribution Branch
| Others |
| LDB | Little Denim Bag
| Others |
| LDB | Little Drumer Boy
| Others |
| LDB | Little Drummer Boy
| Others |
| LDB | Live departure boards
| Others |
| LDB | Liver Diseases Branch
| Others |
| LDB | Load Data Base
| Others |
| LDB | Local Data Base
| Others |
| LDB | Local Developing Business
| Others |
| LDB | Location Data Base
| Others |
| LDB | Lock Data Base
| Others |
| LDB | Logic Data Base
| Others |
| LDB | Logistics Data Bank
| Others |
| LDB | Londrina, Parana, Brazil
| Others |
| LDB | Long Distance Beam
| Others |
| LDB | Long Distance Bus
| Others |
| LDB | Longitudinal Data Base
| Others |
| LDB | Longitudinal Database
| Others |
| LDB | Low Drag Brakes
| Others |
| LDB | Low Level Data Base
| Others |
| LDB | Low Level Debugging
| Others |
| LDB | Luzon Development Bank
| Others |
| LDB | Record-locking information (MS Access)
| Others |