FIRM
| Acronym | Definition |
|---|---|
| FIRM | Flood Insurance Rate Map |
| FIRM | Fair Immigration Reform Movement |
| FIRM | Field Inspection Reference Manual |
| FIRM | Fellow of the Institute of Risk Management |
| FIRM | Field Information Reference Manual |
| FIRM | Floating Integrated Rail Mount |
| FIRM | Fleet Intensified Repairable Management |
| FIRM | Fleet Introduction of Replacement Model |
| FIRM | Financial Information for Resources Management |
| FIRM | Fire Support Interim Reassembly Module |