MFSS
| Acronym | Definition |
|---|---|
| MFSS | Medical Field Service School |
| MFSS | Minimum Federal Safety Standards |
| MFSS | Manifesto for a Sustainable Society (policy base of the Green Party in England and Wales) |
| MFSS | Ministry for Family and Social Solidarity (Malta) |
| MFSS | Multi-Function Sensor Suite |
| MFSS | Military/Federal Specifications/Standards |
| MFSS | Maximum Frontal Subarachnoid Space (psychology) |