| FCOM | Francesco WarCry Oscuro Martigen (The Elder Scrolls: Oblivion IV mod) | Francesco WarCry Oscuro Martigen（长卷：遗忘IV mod） |
| FCOM | Float Compare (Intel X86 instruction) | 浮点比较（英特尔X86指令） |
| FCOM | Focal Communications Corporation | Focal通信公司 |
| FCOM | Flight Crew Operating Manual | 飞行机组操作手册 |
| FCOM | Flight Crew Operations Manual | 飞行机组操作手册 |
| FCOM | Facilities Capital Cost of Money | 设施资金成本 |