| Acronym | Definition |
|---|
| FFMS | FEMA (US Federal Emergency Managament Association) Frequency Management System |
| FFMS | Felix V. Festa Middle School (New York) |
| FFMS | Federal Financial Management System |
| FFMS | First Flight Middle School (Devil Hills, NC) |
| FFMS | Five Forks Middle School (Lawrenceville, GA) |
| FFMS | Flex Force Maintenance Solutions (Australia) |
| FFMS | Field Force Management System |
| FFMS | Flip Flops and Mop-Sauce (cook-off; Deer Park, TX) |
| FFMS | Fauji Foundation Model School (Pakistan) |
| FFMS | Fixed-Fenceline Sample Collection and Monitoring System |