FDHS
| Acronym | Definition |
|---|---|
| FDHS | Field Deployable Hydrolysis System (chemical neutrilization system) |
| FDHS | Fort Defiance High School (Virginia) |
| FDHS | Frederick Douglass High School (Upper Marlboro, Maryland) |
| FDHS | Fort Dorchester High School (North Charleston, SC) |
| FDHS | Full DIMM (Dual In-line Memory Module) Heat Spreader |
| FDHS | Fair Dinkum Homes and Sheds (Australia) |
| FDHS | Florida Department of Highway Safety |
| FDHS | Flying Duty Health Screen (US Army) |