DTFS
| Acronym | Definition |
|---|---|
| DTFS | Discrete-Time Fourier Series (mathematics) |
| DTFS | De Twentsche Fornuizenspecialist (Dutch: Twentsche Cookers Specialist) |
| DTFS | Desktop File System |
| DTFS | Domestic Toll Free Service (telecommunications; various companies) |
| DTFS | Deutsch-Tschechische Fussballschule (German: Czecho-German Football School ) |
| DTFS | Days to First Service (genetics) |
| DTFS | Direct Tape File System |
| DTFS | Dial Tone Feature Set |