| Acronym | Definition |
|---|
| DFSS | Department of Family and Support Services (Chicago, IL) |
| DFSS | Design For Six Sigma |
| DFSS | Defence Force School of Signals (Australian Defence Force) |
| DFSS | Defence Food Services School (Ministry of Defence; UK) |
| DFSS | Dental Fear Survey Schedule |
| DFSS | Decision Frontier Solutions Suite (Informix) |
| DFSS | Dielectric Frequency Selective Surface |
| DFSS | Detoxification Fear Survey Schedule (questionnaire) |