| Acronym | Definition |
|---|
| FDSS | Fonds de Développement des Services de Santé (French: Health Services Development Fund) |
| FDSS | Fédération des Services Sociaux (French: Federation of Social Services; Belgium) |
| FDSS | Floral Designers Society Singapore (est. 1997) |
| FDSS | Federal-Wide Drug Seizure System |
| FDSS | Fibrous Dysplasia Support Society (UK; est. 2007) |
| FDSS | Frontline Decision Support System |
| FDSS | Federal Demonstration Secondary School (Eziagu, Anambra, Nigeria) |
| FDSS | Foundation for Developing Sustainable Societies (est. 2009) |
| FDSS | Flight Dynamics Support System |
| FDSS | Floating Double Suspension System (digital video noise reducer) |
| FDSS | Field-Directed Sputter Sharpening |