| FIRM | Floating Integrated Rail Mount | 浮动集成导轨安装 |
| FIRM | Future Information Research Management | 未来信息研究管理 |
| FIRM | Flood Insurance Rate Map | 洪水保险费率图 |
| FIRM | Field Inspection Reference Manual | 现场检查参考手册 |
| FIRM | Formal Inference Recursive Modeling | 形式推理递归建模 |
| FIRM | Fleet Intensified Repairable Management | 车队强化可维修管理 |
| FIRM | Film Industry Reform Movement | 电影产业改革运动 |
| FIRM | Fleet Introduction of Replacement Model | 更换车型的车队介绍 |
| FIRM | Fair Immigration Reform Movement | 公平移民改革运动 |
| FIRM | Fire Support Interim Reassembly Module | 火力支援临时重装模块 |
| FIRM | Field Information Reference Manual | 现场信息参考手册 |
| FIRM | Financial Information for Resources Management | 资源管理财务信息 |