| MFI | Marine Firefighting Institute | 海上消防协会 |
| MFI | Microfinance Institution | 小额信贷机构 |
| MFI | Multilateral Funding International | 国际多边融资 |
| MFI | Multisensor Fusion and Integration for Intelligent Systems (International Conference) | 智能系统的多传感器融合与集成(国际会议) |
| MFI | Moderately Food Insecure | 中度食物不安全 |
| MFI | Monetary Financial Institution (United Kingdom Economic Accounts) | 货币金融机构(英国经济账户) |
| MFI | Magnetic Field Instrument | 磁场仪表 |
| MFI | Malaria Foundation International | 国际疟疾基金会 |
| MFI | Micromechanical Flying Insect | 微机械飞虫 |
| MFI | Money Flow Index | 货币流动指数 |
| MFI | Mullard Furniture Industries (UK) | Mullard家具工业(英国) |
| MFI | Master Flight Instructor | 飞行教练 |
| MFI | Median Family Income | 家庭收入中位数 |
| MFI | Money Fund Intelligence | 货币基金情报 |
| MFI | Military Food Inspector (synonymous with AVI) | 军用食品检查员(AVI的同义词) |
| MFI | Main Frame Interactive | 主框架交互式 |
| MFI | Median Fluorescence Intensity (flow cytometry) | 中值荧光强度(流式细胞术) |
| MFI | Marine Fenders International, Inc. (Wilmington, CA) | Marine Fenders International,Inc.(加利福尼亚州威明顿) |
| MFI | Multi-Frame Integration | 多帧集成 |
| MFI | More Furniture Ideas | 更多家具创意 |
| MFI | Mine Fell In | 矿井坠落 |
| MFI | Multi-Function Interpreter | 多功能解释器 |
| MFI | Multi-port Fuel Injection (automobile) | 多端口燃油喷射(汽车) |
| MFI | Montanans for Impeachment | 蒙塔南弹劾案 |
| MFI | Magnetic Field Imaging | 磁场成像 |
| MFI | Major Force Issue | 主要部队问题 |
| MFI | Melody Format for I-Mode (musical format) | I-Mode的旋律格式(音乐格式) |
| MFI | Microfinancial, Inc. | 小额信贷公司。 |
| MFI | ModÈles Formels de l'Interaction | ModÈles Formels de l'Interaction |
| MFI | Massachusetts Family Institute | 马萨诸塞州家庭研究所 |
| MFI | Mullard Furniture Industries | Mullard家具工业 |
| MFI | Manic Frogs Infect | 狂躁的青蛙感染 |
| MFI | MindFreedom International (human rights in mental health.) | 心理自由国际(心理健康方面的人权) |
| MFI | Multiplex Fluorescent Immunoassay | 多重荧光免疫分析 |
| MFI | Monitor Fault Isolation | 监视器故障隔离 |
| MFI | Maquis Forces International (Star Trek organization) | 马奎斯国际部队(星际旅行组织) |
| MFI | Made for Idiots | 专为白痴打造 |
| MFI | Mechanical Fuel Injection (automobile) | 机械燃油喷射(汽车) |
| MFI | My Family Incorporated | 我的家族公司 |
| MFI | Mad For It | 为之疯狂 |
| MFI | Mal-Functional Item | 故障功能项 |