| FLM | Fiber Loop Mirror | 光环路镜像 |
| FLM | Flight Line Maintenance | 飞行线路维护 |
| FLM | Focused-Lethality Munition | 集中杀伤弹药 |
| FLM | First Level Multiplexer | 一级多路复用器 |
| FLM | First Line Manager | 一线经理 |
| FLM | Fixture Loading Mechanism | 夹具加载机构 |
| FLM | Fuori Le Mura (Italian: outside the walls; architecture) | Fuori Le Mura(意大利语:墙外;建筑) |
| FLM | First Line Management | 一线管理人员 |
| FLM | Fiber Loop Multiplexer | 光纤环路多路复用器 |
| FLM | Flexible Line Management (manufacturing production) | 柔性生产线管理(制造生产) |
| FLM | Front Line Manager | 一线经理 |
| FLM | Flight Line Marshaller | 飞行线路编组员 |
| FLM | For the Learning of Mathematics | 为了学习数学 |
| FLM | Fujitsu Lightwave Multiplexer (Telco Transport Equipment) | 富士通光波复用器(电信传输设备) |
| FLM | Fetal Lung Maturity | 胎儿肺成熟 |
| FLM | FÉdÉration LuthÉrienne Mondiale (French) | FÉdÉration LuthÉrienne Mondiale (French) |
| FLM | Flow Meter | 流量计 |
| FLM | Family Life Movement | 家庭生活运动 |
| FLM | Federal Land Management | 联邦土地管理 |
| FLM | Florida League of Mayors | 佛罗里达市长联盟 |
| FLM | Formatted Logical Messaging | 格式化逻辑消息 |
| FLM | Firstline Mortgages (Toronto, Ontario, Canada) | 一线抵押贷款(加拿大安大略省多伦多) |
| FLM | Field Logistics Manager | 现场物流经理 |
| FLM | Faleminderit (Albanian: thank you) | 法莱明德里特(阿尔巴尼亚语:谢谢) |
| FLM | File Level Metadata | 文件级元数据 |
| FLM | Fun Little Movies (Sprint - PCS) | 有趣的小电影(Sprint-PCS) |
| FLM | Fecky Little Men (gaming) | 讨厌的小男人(游戏) |
| FLM | Forward Link Module | 前向链路模块 |
| FLM | Federal Land Manager | 联邦土地经理 |
| FLM | Fixed Length Mask | 固定长度遮罩 |
| FLM | Funding Lending Management (UK based lender) | 融资贷款管理(英国贷款人) |
| FLM | Fun Love And Money | 有趣的爱情和金钱 |
| FLM | Finished Lens Molding | 成品镜片成型 |
| FLM | Food Labor And Mileage | 食品人工和里程 |
| FLM | FederaciÓn Luterana Mundial (Spanish) | FederaciÓn Luterana Mundial (Spanish) |
| FLM | Film Roll (AutoCAD/AutoShade) | 胶卷(AutoCAD / AutoShade) |
| FLM | French Liberation Movement | 法国解放运动 |
| FLM | Fleming Companies, Inc. | 弗莱明公司。 |
| FLM | fasciculus longitudinalis medialis | 内侧纵束 |
| FLM | fraction labelled mitosis curve | 分数标记有丝分裂曲线 |
| FLM | Frente de LiberaciÓn de la Mujer | Frente de LiberaciÓn de la Mujer |