FDDE
| Acronym | Definition |
|---|---|
| FDDE | Fonds Départemental de Développement Économique (French: Departmental Fund for Economic Development) |
| FDDE | Fault Detection, Diagnosis, Evaluation (engineering) |
| FDDE | Foreningen Danske Detektiver og Erhvervsefterforskere (Danish: Danish Detectives and Investigators Business Association) |
| FDDE | Frequency Domain Differential Equation |