| CMO | Collateralized Mortgage Obligations | 担保抵押贷款债务 |
| CMO | Center Meteorological Observatory | 中央气象台 |
| CMO | Chief Marketing Officer | 首席市场官 |
| CMO | Central Moneymarkets Office (UK banking) | 中央货币市场办公室（英国银行） |
| CMO | Centralized Mortgage Obligation | 集中抵押义务 |
| CMO | Crisis Management Operations | 危机管理运营 |
| CMO | Check Me Out | 检查我 |
| CMO | Central Money-markets Office | 中央货币市场办公室 |
| CMO | Centro MÉdico Odescalchi (Italian) | Centro MÉdico Odescalchi (Italian) |
| CMO | Chicago, St. Paul, Minneapolis, and Omaha Railroad | 芝加哥、圣保罗、明尼阿波利斯和奥马哈铁路 |
| CMO | Crisis Management Organization | 危机处理机构 |
| CMO | Controlled Materials Officer | 控制物资管理官 |
| CMO | Caribbean Meteorological Organization | 加勒比气象组织 |
| CMO | Configuration Management Office | 配置管理局 |
| CMO | Commercial Microwave Organization | 商业微波组织 |
| CMO | Chief Medical Officer | 军医主任 |
| CMO | Chief Marketing Office | 首席营销办公室 |
| CMO | Configuration Management Organization | 配置管理局 |
| CMO | Cardiomyopathy | 心肌病 |
| CMO | Corticosterone Methyloxidase | 皮质酮甲基氧化酶 |
| CMO | Chief Monitoring Officer | 首席监测官 |
| CMO | Commodore's Messenger Organization | 准将的信使的组织 |
| CMO | Chi-Mei Optoelectronics (TFT/LCD monitor technology) | Chi-Mei光电(TFT /液晶显示器技术) |
| CMO | Court of Military Order (Congo) | 军事秩序法院（刚果） |
| CMO | Centrum Mot Olikfientlighet (Sweden) | Olikfinentlighet中心汽车旅馆（瑞典） |
| CMO | Catholic Media Office (UK) | 天主教媒体办公室（英国） |
| CMO | Collection Management Office | 征集管理处 |
| CMO | Corporate Manufacturing Objects | 企业制造对象 |
| CMO | Contract Manufacturing Organisation | 合同制造组织 |
| CMO | Configuration Management Office(r) | 配置管理办公室（r） |
| CMO | Contract Management Office | 合同管理处 |
| CMO | Comfort Measures Only (similar to hospice care) | 仅舒适措施（类似于临终关怀） |
| CMO | Commodore's Messenger Organisation | 准将的信使组织 |
| CMO | Chief Media Officer | 首席媒体官 |
| CMO | Cash Me Out (poker) | 套现我（扑克） |
| CMO | chief military observer (US DoD) | 首席军事观察员（美国国防部） |
| CMO | City Managers Office | 城市经理办公室 |
| CMO | Civil-Military Officer | 民事军事官员 |
| CMO | Collection Management Office/Organization | 管理机构/团体收集 |
| CMO | Continuous Media Object | 连续媒体对象 |
| CMO | Obbia, Somalia | 索马里Obbia |
| CMO | Current Mode of Operation | 当前操作模式 |
| CMO | Central MASINT Office (now Central MASINT Organization) | 中央MASINT办公室（现为中央MASINT组织） |
| CMO | canonical moleuclar orbital(method) | 标准分子轨道（方法） |
| CMO | Chief Marketing Officer (corporate title) | 首席营销官（公司职务） |
| CMO | collections management office(r) (US DoD) | 藏品管理办公室（美国国防部） |
| CMO | Count Me Out | 将我排除在外 |
| CMO | Chinese Mathematics Olympiad | 中国数学奥林匹克 |
| CMO | Contract Manufacturing Operation | 合同制造操作 |
| CMO | Convoy Movement Order | 车队移动命令 |
| CMO | Chief Maintenance Officer | 保养主任 |
| CMO | Commodores Messenger Organization | 准将信使组织 |
| CMO | Care Management Organization | 护理管理组织 |
| CMO | Carpathian Mountain Outreach (Ukraine) | 喀尔巴阡山脉外联（乌克兰） |
| CMO | Central MASINT Organization (formerly Central MASINT Office) | 中央MASINT组织（原中央MASINT办公室） |
| CMO | Clandestine Mission Objective | 秘密任务目标 |
| CMO | Cincinnati Metropolitan Orchestra (Cincinnati, OH) | 辛辛那提大都会管弦乐团（俄亥俄州辛辛那提） |
| CMO | Communications Management Organization | 通信管理组织 |
| CMO | Competitive Mounted Orienteering (equestrian sport) | 竞技骑马定向运动（马术运动） |
| CMO | Common Market Organization (European Union) | 共同市场组织（欧盟） |
| CMO | Collateralized Mortgage Obligation | 抵押担保债务 |
| CMO | Canonical Molecular Orbital | 标准分子轨道 |
| CMO | Calculated Mean Organism | 计算平均生物体 |
| CMO | Civil- Military Operations | 民事-军事行动 |
| CMO | Certificate Management Office | 证书管理办公室 |
| CMO | Current Method of Operation | 当前操作方法 |
| CMO | Capstead Mortgage Corporation | Capstead抵押贷款公司 |
| CMO | Coverage Mission Order | 覆盖任务订单 |
| CMO | Current Market Outlook | 当前市场展望 |
| CMO | Civil-Military Operations | 军民关系活动 |