| 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 |