| EMO | Electromechanical Optical | 电子机械光学（装置） |
| EMO | Experienced Musicians Only | 仅限有经验的音乐家 |
| EMO | Ex-Member Of .... | 前……成员。。。。 |
| EMO | Emotional Musical Outlet | 情感音乐出口 |
| EMO | Educational Management Organization | 教育管理组织 |
| EMO | Equipment Management Office | 设备管理办公室 |
| EMO | Environmental Management Office | 环境管理办公室 |
| EMO | Environmental Management Ordinance | 环境管理条例 |
| EMO | Early Morning Originator (airline industry) | 清晨发起人（航空业） |
| EMO | Emergency Management Office | 应急管理办公室 |
| EMO | Electromagnetism and Optics | 电磁学与光学 |
| EMO | Excess Manufacturing Overrun | 超额制造超额 |
| EMO | Evolutionary Multi-Objective Optimization | 进化多目标优化 |
| EMO | Emotional Rock (music, fashion) | 情感摇滚（音乐、时尚） |
| EMO | EMergency Off | E紧急关闭 |
| EMO | Electronic Mail Order | 电子邮件订单 |
| EMO | Epstein Macintosh Oxford | Epstein Macintosh牛津 |
| EMO | Emotional (music genre) | 情感（音乐类型） |
| EMO | Extended Merchandise Overrun | 扩展商品超限 |
| EMO | Elektrik MÜhendisleri Odasý (Turkey) | Elektrik MÜhendisleri Odasý (Turkey) |
| EMO | Ecumenical Ministries of Oregon (Portland, OR) | 俄勒冈州（波特兰，俄勒冈州）基督教牧师 |
| EMO | Emergency Measures Office | 应急措施办公室 |
| EMO | Emergency Off (definition used by SEMI) | 紧急关闭（SEMI使用的定义） |
| EMO | Emotive Hardcore (music genre) | 情感硬核（音乐类型） |
| EMO | Electronic Maintenance/Material Officer | 电子维修/资料主任 |
| EMO | EMOtional person | EMOtional人员 |
| EMO | Emergency Machine Off | 紧急机器关闭 |
| EMO | Extension Management Object | 扩展管理对象 |
| EMO | Educational Maintenance Organization | 教育维护组织 |
| EMO | European Mortar Industry Organisation | 欧洲砂浆工业组织 |
| EMO | EMOtional | 感情的 |
| EMO | Epstein and Macintosh Oxford(ether inhaler and Oxford bellow) | Epstein和Macintosh Oxford（乙醚吸入器和牛津风箱） |
| EMO | Emergency Measures Organization (Canada) | 紧急措施组织（加拿大） |
| EMO | Emotion(s) | 情绪 |
| EMO | Exposition Mondiale de La Machine Outil | 世界机械博览会 |
| EMO | Emo, Papua New Guinea | 巴布亚新几内亚埃莫 |
| EMO | Engage Missile Order | 接战导弹命令 |
| EMO | Effective Material Operator | 有效材料操作员 |
| EMO | Exercise for Men Only (magazine) | 仅限男性运动（杂志） |
| EMO | Emergency Management Ontario (Ontario, Canada) | 安大略省应急管理（加拿大安大略省） |
| EMO | Electronic Money Order | 电子汇票 |