LDSF
| 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 |