| DFI | digital fuel injection | 数字式燃油喷射 |
| DFI | Direct fuel injection | 直接燃油喷射 |
| DFI | Digital Facility Interface | 数字设备接口 |
| DFI | Defiance, Ohio (Airport Code) | 俄亥俄州Defiance（机场代码） |
| DFI | Design, Fielding, Instrumentation | 设计、现场、仪表 |
| DFI | dye fluorescence index | 染料荧光指数 |
| DFI | Decreased Fuel Ingestion | 减少燃油摄入 |
| DFI | Designated Financial Institution | 指定金融机构 |
| DFI | disease-free intervals | 无病间隔 |
| DFI | Diamond Flower International | 钻石花国际 |
| DFI | Design for Installability | 可安装性设计 |
| DFI | Different Flipping Idea (polite form) | 不同的翻转想法（礼貌形式） |
| DFI | Discount From Invoice | 发票折扣 |
| DFI | Department of Financial Institutions (various US state governments) | 金融机构部（美国各州政府） |
| DFI | Digital Filter Initialization | 数字滤波器初始化 |
| DFI | Disease Free Interval | 无疾病间隔 |
| DFI | Defense Forecasts Incorporated | 国防预测公司 |
| DFI | Development Fund for Iraq | 伊拉克发展基金 |
| DFI | Depository Financial Institution | 存管金融机构 |
| DFI | Design for Innovation | 创新设计 |
| DFI | Digifont Outline font description | Digifont大纲字体描述 |
| DFI | Development Finance Institution | 发展金融机构 |
| DFI | Diamond Flower Instrument | 钻石花乐器 |
| DFI | Defiance Memorial Airport, Defiance, Ohio USA | 美国俄亥俄州Defiance市Defiance纪念机场 |
| DFI | Development Facilitators, Inc. | 发展促进公司。 |
| DFI | Dipartimento federale dell'interno | 戴尔'interno Dipartimento学院 |
| DFI | Dyed Fuel Inspector | 染色燃料检验员 |
| DFI | Deep Foundations Institute | 深基础研究所 |
| DFI | Development Flight Instrumentation | 开发飞行仪表 |
| DFI | Disease-Free Interval | 无病间隔 |
| DFI | Data Flow Information | 数据流信息 |
| DFI | Diagnostic Fault Isolation | 诊断故障隔离 |
| DFI | Data Field Identifier | 数据场识别器 |
| DFI | Direct Foreign Investment | 外国直接投资 |
| DFI | Deep Fried Ice-Cream | 油炸冰淇淋 |
| DFI | Demand for Information | 信息需求 |