TFSD
| Acronym | Definition |
|---|---|
| TFSD | Twin Falls School District (Twin Falls, ID) |
| TFSD | Thomson Financial Securities Data |
| TFSD | Total Force Structure Division (USMC) |
| TFSD | Task Force on Sustainable Development (various organizations) |
| TFSD | Theatre Film Studies and Dance (St. Cloud State University; Minnesota) |
| TFSD | Two-Fold Seal Dilution (biology) |