| Acronym | Definition |
|---|
| TTFD➣Thiamine Tetrahydrofurfuryl Disulfide (medicines) |
| TTFD➣Take That for Data |
| TTFD➣Twin Terminated Folded Dipole |
| TTFD➣To the Faithful Departed (Cranberries album) |
| TTFD➣Tactical Timed Firing Device (timed firing device for bomb squads) |
| TTFD➣Texas Township Fire Department (Kalamazoo, MI) |
| TTFD➣TiltedTerminated Folded Dipole |