| Acronym | Sense | Language | Topics |
|---|---|---|---|
| FD | Fakdelegito | In Esperanto | → Organizations and associations |
| FD | Cumulative Frequency Distribution | In English | |
| FD | Formal Description | In English | |
| FD | Fault Detection | In English | |
| FD | Flight Day | In English | → Aeronautics, aircraft → Astronautics |
| FD | Flight Director | In English | → Aeronautics, aircraft → Astronautics |
| FD | Freeze-Dried | In English | |
| FD | Function(al) Designator | In English | |
| FD | Fouilles de Delphes | In French | → Serial publications, periodicals → Archeology |