| EAC | East African Community | 东非共同体 |
| EAC | European Association for Cooperation | 欧洲合作协会 |
| EAC | Engineering Advisory Council | 工程咨询委员会[英] |
| EAC | estimated cost at completion | 竣工预测费用 |
| EAC | Error Adaptivc Control Computer | 误差自适控制计算机 |
| EAC | Editors' Association of Canada | 编辑协会的加拿大人 |
| EAC | Empresas Asociadas Campesinas | Campesinas企业协会 |
| EAC | Employee Advisory Board | 员工咨询委员会 |
| EAC | Emergency Action Console | 紧急行动控制台 |
| EAC | External Affairs Commissioner (EU) | 外交事务专员（欧盟） |
| EAC | Eastern Air Command | 东部空军司令部 |
| EAC | Eastern Area Center | 东区中心 |
| EAC | Elite Agility Certificate (Dog Agility Title) | 精英敏捷证书（犬敏捷称号） |
| EAC | Executive Associate Commissioner | 行政助理专员 |
| EAC | Export Assistance Center | 出口援助中心 |
| EAC | Emergency Action Center | 应急行动中心 |
| EAC | Energy Advisory Committee | 能源咨询委员会 |
| EAC | Enlisted Advisory Council | 入选咨询委员会 |
| EAC | Echelons Above Corps | 兵团以上梯队 |
| EAC | Erythema Annulare Centrifugum (dermatology) | 离心机环形红斑（皮肤病学） |
| EAC | Evangelical Anglican Church | 福音圣公会 |
| EAC | East Australian Current | 东澳大利亚洋流 |
| EAC | Epithelioma Adenoides Cysticum of Brooke | 布鲁克囊性腺样上皮瘤 |
| EAC | Exercise and Activities Conference | 运动和活动会议 |
| EAC | Electrical Application Committee | 电气应用委员会 |
| EAC | echelons above corps (Army) (US DoD) | 军团（陆军）以上梯队（美国国防部） |
| EAC | Engineering Accreditation Commission | 工程认证委员会 |
| EAC | Encyclopedia of American Comics | 美国漫画百科全书 |
| EAC | Economic Advisory Committee | 经济咨询委员会 |
| EAC | Emergency Action Communications | 应急行动通信 |
| EAC | Expenditure Accounting Classification | 支出会计分类 |
| EAC | Education & Assistance Corporation | 教育和帮助 |
| EAC | Endocrine Active Compound | 内分泌活性化合物 |
| EAC | Environmental Assisted Cracking | 环境辅助裂化 |
| EAC | Electricity Authority of Cyprus | 塞浦路斯电力局 |
| EAC | Extended Access Control (Defined by ICAO - machine readable travel documents - passports) | 扩展访问控制（由ICAO定义-机器可读旅行证件-护照） |
| EAC | Emergency Assessment Coordinator | 应急评估协调员 |
| EAC | Epoxy Anti-Corrosive paint | 环氧防腐漆 |
| EAC | Early American Coppers, Inc. | 早期美国铜业公司。 |
| EAC | Evaluation and Analysis Center | 评估分析中心 |
| EAC | Estimate At Completion (Cost) | 竣工估算（成本） |
| EAC | Engineered Assemblies Corporation | 工程装配公司 |
| EAC | Equipment Approvals Committee (UK MOD) | 设备批准委员会（英国国防部） |
| EAC | Eastern Area Command | 东区司令部 |
| EAC | Engine Auxiliary Coolant | 发动机辅助冷却液 |
| EAC | erythema action(spectrum) | 红斑作用（光谱） |
| EAC | erythema annulare(centrifugum) | 环状红斑（离心） |
| EAC | ehrlich's ascites carcinoma | 埃利希(氏)腹水癌 |
| EAC | epithelioma adenoides cysticum | 腺样囊性上皮瘤 |
| EAC | erythrocyte coated by antibody and complement | 被抗体和补体包裹的红细胞 |
| EAC | Emirates Aviation College (Dubai, United Arab Emirates) | 阿联酋航空学院（阿联酋迪拜） |
| EAC | energy absorption characteristics | 能量吸收特性 |
| EAC | Encoded Archival Context initiative | 编码存档上下文倡议 |
| EAC | erythrocyte antibody complement | 红细胞抗体补体 |
| EAC | Exhibitor Appointed Contractor | 参展商指定承包商 |
| EAC | Emic Application Cluster (Emic Networks) | Emic应用集群（Emic网络） |
| EAC | Even Auto-Correlation | 偶自相关 |
| EAC | Early Attack Characterization | 早期攻击特征 |
| EAC | European Airlift Center | 欧洲空运中心 |
| EAC | European Anti-Discrimination Council | 欧洲反歧视委员会 |
| EAC | Equipment Activity Controller | 设备活动控制器 |
| EAC | Executive Advisory Council | 行政咨询委员会 |
| EAC | Executive Action Committee | 执行行动委员会 |
| EAC | Environmental Audit Committee (UK) | 环境审计委员会（英国） |
| EAC | Expected At Completion | 预计竣工时 |
| EAC | emergency action committee (US DoD) | 紧急行动委员会（美国国防部） |
| EAC | Electronic Air Cleaner | 电子空气滤清器 |
| EAC | Equipment Availability Constant | 设备可用性常数 |
| EAC | Expect(ed) Approach Clearance | 预计进场净空 |
| EAC | Ecotoxicological Assessment Criteria | 生态毒理学评估标准 |
| EAC | Evaluation Analysis Center | 评估分析中心 |
| EAC | External Auditory Canal | 外耳道 |
| EAC | Early American Coppers (Organization of collectors of early American copper coins) | 早期美国铜币收藏家组织 |
| EAC | Executive Advisory Committee | 执行咨询委员会 |
| EAC | Economic Adjustment Committee | 经济调整委员会 |
| EAC | Election Assistance Commission (US) | 选举援助委员会（美国） |
| EAC | European Astronaut Centre (Cologne, Germany) | 欧洲宇航员中心（德国科隆） |
| EAC | European Affairs Committee (European Union postal program) | 欧洲事务委员会（欧盟邮政计划） |
| EAC | Exact Audio Copy | 精确音频副本 |
| EAC | Environmental Advisory Committee | 环境咨询委员会 |
| EAC | Enhanced Attitude Control | 增强的姿态控制 |
| EAC | Equal Angle Coverage | 等角度覆盖 |
| EAC | Essential Anime Collection | 基本动画集 |
| EAC | Extranet Access Client | Extranet访问客户端 |
| EAC | Estimate of Completion | 竣工估算 |
| EAC | Estimate At Completion | 竣工估算 |
| EAC | Early Action Compact | 早期行动契约 |
| EAC | Enhanced Audio Codec | 增强型音频编解码器 |
| EAC | East African Command | 东非司令部 |
| EAC | Even Autocorrelation | 偶自相关 |
| EAC | Evil Atheist Conspiracy | 邪恶的无神论者阴谋 |
| EAC | Equipment Acquisition Contractor | 设备采购承包商 |
| EAC | Energy Absorption Capacity | 能量吸收能力 |
| EAC | Entreprises Autochtones du Canada (Aboriginal Enterprises Canada; government) | 加拿大土著企业（加拿大土著企业；政府） |
| EAC | End-user Access Charge | 最终用户访问费 |
| EAC | Exact Audio Copy (digital audio extraction tool) | 精确音频复制（数字音频提取工具） |
| EAC | Electronic Access Control | 电子访问控制 |
| EAC | Environmental Advisory Council | 环境咨询委员会 |