| EFS | Electronic Filling System | 电子档案系统 |
| EFS | Encrypted File System | 加密檔案系統 |
| EFS | Environment Friends Society | 环境友好协会 |
| EFS | Email File Service | 电子邮件文件服务 |
| EFS | Expert Finding Systems | 专家查找系统 |
| EFS | Electronic Filing System | 电子归档系统 |
| EFS | Electric Field-induced Spectra | 电场感应光谱 |
| EFS | Electronic Firing Switch | 电子点火开关 |
| EFS | Electric Field Strength | 电场强度 |
| EFS | Encrypting Firewall System | 加密防火墙系统 |
| EFS | Electronic Filing Systems, Inc. | 电子文件系统公司。 |
| EFS | European Federation of Sexology | 欧洲性学联合会 |
| EFS | English for Foreign Students | 外国学生英语 |
| EFS | Equal Frequency Separation | 等频分离 |
| EFS | Error Free Seconds (percentage) | 无错误秒数（百分比） |
| EFS | Export Facilitation Scheme (Australian government) | 出口便利计划（澳大利亚政府） |
| EFS | Elite Firing Squad | 精英射击队 |
| EFS | Enhanced Fujita Scale (tornado strength) | 增强的藤田规模（龙卷风强度） |
| EFS | External Focus Subassembly | 外焦点组件 |
| EFS | Expeditionary Fighter Squadron | 远征战斗机中队 |
| EFS | Event Free Survival (survival rates in clinical trials) | 无事件生存率（临床试验中的生存率） |
| EFS | Emperor of the Fading Suns (computer game) | 《落日帝国》（电脑游戏） |
| EFS | Evangeliska Fosterlandsstiftelsen (Sweden) | Evangeliska Fosterlandstitelsen（瑞典） |
| EFS | Environmental Feasibility Study | 环境可行性研究 |
| EFS | Effective Field Size | 有效字段大小 |
| EFS | Earth-Fixed System | 地球定位系统 |
| EFS | Enhance Financial Services Group, Inc. | 增强金融服务集团。 |
| EFS | Emergency Feeding Service | 紧急喂食服务 |
| EFS | Essential Fire Support | 基本消防支持 |
| EFS | Effective Financing Statement | 有效的财务报表 |
| EFS | Engineering Feasibility Study | 工程可行性研究 |
| EFS | Electric Field Stimulation | 电场刺激 |
| EFS | Event Free Survival - time from diagnosis to defined events (e.g. , relapse or death) | 无事件生存期-从诊断到确定事件（如复发或死亡）的时间 |
| EFS | Encrypted File System (Microsoft Windows 2000) | 加密文件系统（Microsoft Windows 2000） |
| EFS | Emergency Feedwater System | 应急给水系统 |
| EFS | Electric Funstuff (band & software company) | 电动Funstuff(乐队和软件公司) |
| EFS | Extended Function Set | 扩展功能集 |
| EFS | Enterprise File Services (HP) | 企业文件服务（HP） |
| EFS | Ensemble Forecast System | 综合预报系统 |
| EFS | Elastomeric Firestop (construction) | 弹性防火（施工） |
| EFS | Electronic Fund Systems | 电子资金系统 |
| EFS | Engineering Functional Specification | 工程功能规范 |
| EFS | End of Frame Sequence | 帧序列结束 |
| EFS | Encryption File System (Intel) | 加密文件系统（Intel） |
| EFS | Electronic Form System | 电子表格系统 |
| EFS | Engineered Fiber Selection | 工程纤维选择 |
| EFS | Enhanced Flight Screening | 增强的飞行筛选 |
| EFS | Escape From Samsara | 逃离轮回 |
| EFS | Enterprise File Sharing | 企业文件共享 |
| EFS | Electrical Feeder System | 电气馈线系统 |
| EFS | Flowchart (EasyFlow) | 流程图（EasyFlow） |
| EFS | Extended Fuel System | 扩展燃油系统 |
| EFS | Edwards, Faust, & Smith (Maine accounting firm) | 爱德华兹,请问史密斯(缅因州的会计师事务所) |
| EFS | Embedded File System | 嵌入式文件系统 |
| EFS | External File System | 外部文件系统 |