| Acronym | Definition |
|---|
| FSDE➣Free State Department of Education (South Africa) |
| FSDE➣Federação Sergipana de Desportos Escolares (Portuguese; Brazilian sports school association) |
| FSDE➣Feng Shui Design & Engineering (EU) |
| FSDE➣Freiwillige Soziale Dienste Europa (German: Voluntary Social Services Europe) |
| FSDE➣Frequency-Shift Division Encoder |