SDFS
| Acronym | Definition |
|---|---|
| SDFS | Safe and Drug-Free Schools |
| SDFS | Same-Day Funds Settlement |
| SDFS | SBI Debt Fund Series (SBI Mutual Fund) |
| SDFS | San Diego Fern Society (San Diego, CA) |
| SDFS | Slave Descendants Freedom Society (est. 1991) |
| SDFS | Sonoran Desert Field Station (USGS Western Ecological Research Center; University of Arizona; Tucson, AZ) |