| LDF | Geoworks Library Definition File 
| Others |
| LDF | IBM Works for OS/2 Data Filer Form
| Others |
| LDF | Lamborghini Doppia Frizione
| Others |
| LDF | Laredo Development Foundation
| Others |
| LDF | Laser Doppler Flowmetry
| Others |
| LDF | Last Day Fun
| Others |
| LDF | Lat Diagnostics Framework
| Others |
| LDF | Leaders for Democracy Fellowship
| Others |
| LDF | Leadership Development Forum
| Others |
| LDF | Left Democratic Federation
| Others |
| LDF | Left Democratic Front
| Others |
| LDF | Legal Defense Fund
| Others |
| LDF | Leonardo DiCaprio Foundation
| Others |
| LDF | Library Definition File
| Others |
| LDF | Library Dependency Finder
| Others |
| LDF | Lid Down Flush
| Others |
| LDF | Line Dance Foundation
| Others |
| LDF | Linea de Fuego
| Others |
| LDF | Linear Display File
| Others |
| LDF | Liquido De Frenos
| Others |
| LDF | Little Dixie Flies
| Others |
| LDF | Local Depth First
| Others |
| LDF | Local Document Frequency
| Others |
| LDF | Log Data File
| Others |
| LDF | Log Database File
| Others |
| LDF | Long Distance Fishing
| Others |
| LDF | Lost Desert Fan
| Others |
| LDF | Lucky Draw Foundation
| Others |
| LDF | Lucy Daniels Foundation
| Others |
| LDF | Lumerical Data Files
| Others |
| LDF | Lura Document Format
| Others |
| LDF | Luxury Design Floors
| Others |
| LDF | Lyme Disease Foundation
| Others |