| Acronym | Definition |
|---|
| TSFD➣Technology Security/Foreign Disclosure (US DoD) |
| TSFD➣Telemark Sivilforsvarsdistrikt (Norwegian: Telemark Civil Defense District; Telemark, Norway) |
| TSFD➣Truscont Secure Flash Drive (anti-copy flash drive) |
| TSFD➣Total- and Scattered-Field Decomposition |
| TSFD➣Training System Function Description |
| TSFD➣Tax Saver Fixed Deposit (banking) |