| Acronym | Definition | 
|---|
| LDSF➣Large Diameter Split Frame (pipe cutting) | 
| LDSF➣Latter-Day Science Fiction (book series) | 
| LDSF➣Large Deep Space Freighter (gaming) | 
| LDSF➣Loeys-Dietz Syndrome Foundation (est. 2007) | 
| LDSF➣Loka Dharma Seva Foundation (est. 2005; India) | 
| LDSF➣Level Dependent Signal Flow | 
| LDSF➣Leukemia Cell-Derived Suppressor Factor |